Voltage and current synchronous regulation transmission system and method based on multi-stage amplification

Abstract

The application discloses a voltage and current synchronous regulation transmission system and method based on multi-stage amplification, relates to the electrical engineering field, and comprises a mapping module, which is used for receiving an externally inputted to-be-transmitted electric signal, completing impedance matching processing, generating a reference mapping signal with voltage and current parameters uniformly carried and outputting; and an amplification module, which is used for receiving the reference mapping signal outputted by the previous stage, completing multi-stage continuous amplitude amplification processing in the same physical amplification unit, and outputting the mapping signal after cascade amplification; the application uniformly carries voltage and current parameters of the electric signal and cooperatively processes the same in the same original time sequence, synchronously matches the gain of both in the multi-stage amplification link, synchronously collects signal parameters at the same electrical node, synchronously transmits the regulation parameters and the main signal along the same link, synchronously completes amplitude regulation and phase compensation, has low operation time delay in the whole process, makes impedance matching at the input and output ends, can effectively reduce signal transmission loss and phase deviation, and makes the amplitude of the output electric signal stable and the phase accurate.

Description

Technical Field

[0001] This invention relates to the field of electrical engineering technology, specifically to a voltage and current synchronous control transmission system and method based on multi-stage amplification. Background Technology

[0002] In precision measurement and control, power electronic signal transmission, and new energy measurement and control scenarios, the amplitude amplification and stable transmission of weak electrical signals are the core foundation for reliable system operation. Multi-stage amplification architectures, with their high-gain characteristics, have become the mainstream solution for compensating for signal attenuation over long distances and enhancing signal driving capabilities. Synchronous control of voltage and current parameters directly determines the load adaptability and power transmission quality of the transmission system, and is a key technology for achieving integrated signal and power transmission. Currently, such control and transmission devices are widely used in industrial automation, sensing and detection, and the industry continues to raise its technical requirements for their control synchronization accuracy, amplification stability, and anti-interference capabilities.

[0003] The invention patent application with application number 202210577636.7 discloses a series converter circuit that adopts voltage and current dual closed-loop control technology. This application aims to solve the problem of "users' demand for high current and high voltage DC power supply, as well as the size and cost of converter".

[0004] However, existing multi-stage amplification and transmission systems mostly adopt independent control modes for voltage and current circuits. Multi-stage cascading can easily cause phase shift and signal distortion, making it impossible to achieve high-precision synchronous matching between the two. Under long-distance transmission, the control response is lagging, making it difficult to balance gain stability and synchronous control accuracy.

[0005] To address this, we propose a voltage and current synchronous control transmission system and method based on multi-stage amplification. Summary of the Invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides a voltage and current synchronous control transmission system and method based on multi-stage amplification, which can effectively solve the problems of the prior art.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions; This invention discloses a voltage and current synchronous control transmission system and method based on multi-stage amplification, comprising: The system comprises the following modules: a mapping module (receiving externally input electrical signals, performing impedance matching, generating and outputting a reference mapping signal carrying voltage and current parameters), an amplification module (receiving the reference mapping signal from the previous stage, performing multi-stage continuous amplitude amplification within the same physical amplification unit, and outputting the cascaded amplified mapping signal), a sampling module (receiving the mapping signal from each amplification unit, synchronously acquiring and outputting the voltage and current timing parameters within the signal at the same electrical node of the amplification stage that outputs the signal), a transmission module (receiving the timing parameters from the previous stage, generating the control parameters for the subsequent amplification unit, and synchronously transmitting the control parameters and the main mapping signal along the same transmission link), a control module (receiving the forward-transmitted control parameters and the main mapping signal, performing synchronous control operations on the voltage and current parameters within the mapping signal based on the same reference parameters, and outputting the signal), and an output module (receiving the mapping signal after the entire link control is completed, performing output impedance matching, restoring the voltage and current parameters carried by the same component to electrical signals, and outputting them through the same port). The mapping module is electrically connected to the amplification module and the sampling module; the sampling module and the amplification module are directly connected to the same electrical node; the sampling module is electrically connected to the transmission module and the control module; the control module is electrically connected to the transmission module and the output module.

[0008] Furthermore, the mapping module is directly connected to the external signal input port. After receiving the external input electrical signal to be transmitted, it completes bidirectional impedance matching with the input port and the amplification module. Then, it maps the voltage and current parameters of the electrical signal to be transmitted to the baseband signal of the same source timing reference, generates a reference mapping signal that carries the voltage and current parameters in the same body, and outputs it to the amplification module. The voltage and current parameters in the reference mapping signal share the same transmission carrier and timing clock.

[0009] Furthermore, the amplification module is a multi-stage continuous amplification link integrated within the same semiconductor physical package. After receiving the reference mapping signal, it completes N stages of continuous amplitude amplification processing within the same amplification link. Each stage of amplification processing is executed synchronously for the voltage and current parameters carried by the same component within the reference mapping signal. The timing of the N stages of amplification processing is completely synchronized with the same timing reference output by the mapping module. The amplitude gain of each stage of amplification processing follows the following order: ; In the formula: The gain of the k-th stage of the amplification module for the voltage parameters within the mapped signal is the amplitude amplification gain. Let N be the amplitude amplification gain of the k-th stage of the amplification module for the current parameter within the mapped signal; N is the total number of amplification stages in the amplification module. This represents the cumulative phase shift between the voltage and current parameters within the mapped signal after N-stage amplification. The center operating frequency of the electrical signal to be transmitted; This is the inherent time constant of a single-stage amplification process.

[0010] Furthermore, the sampling module and the k-th stage amplification output terminal of the amplification module are directly connected to the same electrical node. Within the same clock cycle of the corresponding amplification stage output mapped signal, the sampling module synchronously acquires the voltage and current timing parameters within the mapped signal. The timing synchronization of the acquisition action satisfies the following constraints: ; In the formula: The sampling module acquires the voltage parameters of the k-th stage output mapped signal of the amplification module at the sampling time. The sampling module acquires the current parameters of the same mapped signal from the same amplification stage at the specified time. This represents the real-time phase difference between the voltage and current parameters within the output mapped signal of this amplifier stage. This is the real-time operating frequency of the output mapped signal of this amplification stage.

[0011] Furthermore, the signal input terminal of the transmission module is directly connected to the output terminal of the sampling module. After receiving the timing parameters output by the sampling module, it generates the corresponding control parameters of the amplification stage and embeds the control parameters into the preset idle timing gap of the main mapping signal, so that the control parameters and the main mapping signal are transmitted synchronously in the same physical transmission link. The transmission timing of the control parameters is completely aligned with the amplification transmission timing of the main mapping signal, and the transmission direction of the control parameters is consistent with the transmission direction of the main mapping signal.

[0012] Furthermore, the control module is directly connected to the input terminal of the k-th stage amplification of the amplification module, receiving the forward-transmitted control parameters and the main mapping signal, and simultaneously receiving the same-source reference parameters output by the mapping module. These same-source reference parameters are the initial voltage and current parameters of the reference mapping signal. The control module uses the same-source reference parameters as a calibration reference and the control parameters as the basis for dynamic adjustment, synchronously performing amplitude control and phase compensation operations on the voltage and current parameters within the main mapping signal. The controlled mapping signal obeys the following synchronization matching constraint: ; In the formula: The instantaneous voltage value of the mapped signal after modulation of the k-th stage of the amplification module; The target voltage reference value for the same source reference parameter at level k; The instantaneous current value of the mapped signal after modulation in the k-th stage of the amplification module; The target current reference value for the same source reference parameter at level k; This represents the cumulative amplitude gain of the first k stages of the amplification module. This represents the real-time phase difference between the voltage and current parameters within the mapped signal before the k-th level of regulation.

[0013] Furthermore, the mapping module, amplification module, sampling module, transmission module, and control module share the same common timing reference. Signal amplification, parameter acquisition, control parameter transmission, and synchronous control operations throughout the entire link are all executed synchronously under the same common timing reference. The total delay of sampling, transmission, and control operations is less than the inherent time constant of a single-stage amplification process. The control operation and the amplification process of the corresponding amplification stage are completed within the same clock cycle.

[0014] On the other hand, the voltage and current synchronous control transmission method based on multi-stage amplification includes: The system receives external electrical signals to be transmitted, performs impedance matching, and generates a reference mapping signal that carries both voltage and current parameters. This reference mapping signal is then fed into a multi-stage amplification link for continuous amplitude amplification, outputting the cascaded amplified mapping signal. At the same electrical node at each amplification stage, the voltage and current timing parameters within the mapping signal are synchronously acquired. Based on the acquired timing parameters, control parameters are generated and synchronously transmitted along the same transmission link as the main mapping signal. Using the same reference parameters as a basis, the voltage and current parameters of the mapping signal are synchronously controlled in conjunction with the control parameters. Finally, the controlled mapping signal undergoes output impedance matching, is restored to an electrical signal, and output through the same port.

[0015] Compared with the known prior art, the technical solution provided by this invention has the following beneficial effects: This invention ensures the timing consistency of signal transmission and control by simultaneously carrying the voltage and current parameters of the transmitted electrical signal and uniformly controlling them with a common timing reference. During multi-stage continuous amplitude amplification, voltage and current gains are synchronously matched to avoid amplitude imbalance. Signal parameters are synchronously acquired at the same electrical node to ensure the real-time performance and accuracy of the acquired data. Control parameters and the main signal are synchronously transmitted along the same link in the forward direction, reducing transmission link occupancy and signal delay. Amplitude control and phase compensation are synchronously performed based on the common reference parameters, effectively correcting phase shifts in signal transmission. All operations are completed synchronously under the same timing, and the total control delay is lower than the inherent time constant of a single-stage process, ensuring timely control. Impedance matching is performed at both input and output terminals to reduce signal transmission loss. Ultimately, the output electrical signal has a stable amplitude and accurate phase, effectively improving the overall stability and reliability of signal transmission and amplification. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0017] Figure 1 This is a schematic diagram of a voltage and current synchronous control transmission system based on multi-stage amplification. Figure 2 This is a flowchart illustrating a voltage and current synchronous control transmission method based on multi-stage amplification. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0019] The present invention will be further described below with reference to embodiments. Example

[0020] The voltage and current synchronous control transmission system based on multi-stage amplification in this embodiment, such as... Figure 1 As shown, it includes: The mapping module is used to receive the external input electrical signal to be transmitted, complete the impedance matching process, generate a reference mapping signal that carries voltage and current parameters in the same body, and output it. The mapping module is directly connected to the external signal input port. After receiving the external input electrical signal to be transmitted, it completes bidirectional impedance matching with the input port and the amplification module. Then, it maps the voltage and current parameters of the electrical signal to be transmitted to the baseband signal of the same source timing reference, generates a reference mapping signal that carries the voltage and current parameters in the same body, and outputs it to the amplification module. The voltage and current parameters in the reference mapping signal share the same transmission carrier and timing clock. The amplification module is used to receive the reference mapping signal output from the previous stage, complete multi-stage continuous amplitude amplification within the same physical amplification unit, and output the cascaded amplified mapping signal. The amplification module is a multi-stage continuous amplification link integrated within the same semiconductor physical package. After receiving the reference mapping signal, it completes N stages of continuous amplitude amplification within the same amplification link. Each stage of amplification is executed synchronously for the voltage and current parameters carried by the same component in the reference mapping signal. The timing of the N stages of amplification is completely synchronized with the same timing reference output by the mapping module. The amplitude gain of each stage of amplification follows the following order: ; In the formula: The gain of the k-th stage of the amplification module for the voltage parameters within the mapped signal is the amplitude amplification gain. Let N be the amplitude amplification gain of the k-th stage of the amplification module for the current parameter within the mapped signal; N is the total number of amplification stages in the amplification module. This represents the cumulative phase shift between the voltage and current parameters within the mapped signal after N-stage amplification. The center operating frequency of the electrical signal to be transmitted; The inherent time constant of a single-stage amplification process; The above formula is constructed around a multi-stage continuous amplification link. It integrates parameters such as voltage and current synchronization gain constraints, signal center operating frequency, single-stage inherent time constant and cumulative phase offset, and precisely sets the amplification gain of voltage and current in each stage. This ensures that the timing of voltage and current parameters in the signal is completely synchronized after N-stage amplification and the phase offset can be precisely controlled, thereby achieving synchronous amplitude amplification of the signal carried by the same body. in, , The target output amplitude of the electrical signal to be transmitted, the same source timing reference, and the phase offset of the current stage amplification are synchronously preset and determined, and the values ​​of the two always maintain the voltage-current gain synchronous matching constraint. Based on the semiconductor physical characteristics of the amplification module, the single-stage signal transmission delay, and the clock period of the same-source timing reference, the parameters are fixed physical parameters that do not change with the signal amplitude and frequency. The sampling module is used to receive the mapped signal output by each amplification unit. At the same electrical node of the amplification stage that outputs the signal, the voltage and current timing parameters in the signal are synchronously acquired and output. The sampling module and the output terminal of the k-th stage amplification module are directly connected to the same electrical node. Within the same clock cycle of the corresponding amplification stage output mapped signal, the sampling module synchronously acquires the voltage and current timing parameters in the mapped signal. The timing synchronization of the acquisition action satisfies the following constraints: ; In the formula: The sampling module acquires the voltage parameters of the k-th stage output mapped signal of the amplification module at the sampling time. The sampling module acquires the current parameters of the same mapped signal from the same amplification stage at the specified time. This represents the real-time phase difference between the voltage and current parameters within the output mapped signal of this amplifier stage. This is the real-time operating frequency of the output mapped signal of this amplification stage; The above formula establishes a precise constraint relationship between the real-time operating frequency of the signal and the real-time phase difference between voltage and current based on the real-time operating frequency of the signal at this stage. This ensures that the sampling module synchronously collects voltage and current parameters within the same clock cycle, eliminating parameter distortion caused by asynchronous sampling from the source of timing. It also ensures that the acquisition results accurately match the real state of the amplifier stage output signal, providing effective support for subsequent synchronous control. The transmission module is used to receive the timing parameters output from the previous stage, generate the control parameters of the subsequent amplification unit, and transmit the control parameters and the main mapping signal synchronously in the forward direction along the same transmission link. The signal input terminal of the transmission module is directly connected to the output terminal of the sampling module. After receiving the timing parameters output by the sampling module, it generates the corresponding control parameters of the amplification stage and embeds the control parameters into the preset idle timing gap of the main mapping signal, so that the control parameters and the main mapping signal are transmitted synchronously in the same physical transmission link. The transmission timing of the control parameters is completely aligned with the amplification transmission timing of the main mapping signal, and the transmission direction of the control parameters is consistent with the transmission direction of the main mapping signal. The control module is used to receive the forward-transmitted control parameters and main mapping signal, and based on the same source reference parameters, to perform synchronous control operations on the voltage and current parameters in the mapping signal and output them. The control module is directly connected to the input terminal of the k-th stage amplification module, receiving the forward-transmitted control parameters and main mapping signal. Simultaneously, it receives the same-source reference parameters output by the mapping module. These reference parameters are the initial voltage and current parameters of the reference mapping signal. The control module uses these same-source reference parameters as the calibration reference and the control parameters as the basis for dynamic adjustment, synchronously performing amplitude control and phase compensation operations on the voltage and current parameters within the main mapping signal. The regulated mapping signal conforms to the following synchronization matching constraint: ; In the formula: The instantaneous voltage value of the mapped signal after modulation of the k-th stage of the amplification module; The target voltage reference value for the same source reference parameter at level k; The instantaneous current value of the mapped signal after modulation in the k-th stage of the amplification module; The target current reference value for the same source reference parameter at level k; This represents the cumulative amplitude gain of the first k stages of the amplification module. The real-time phase difference between the voltage and current parameters in the mapped signal before the k-th level of regulation; This formula uses the voltage and current reference values ​​of the same source as the calibration core, and combines the cumulative amplitude gain of the previous stage with the real-time phase difference of this stage to synchronously regulate and compensate the instantaneous voltage and current values ​​of the amplified signal, so that the voltage and current parameters always remain in a synchronous matching state, solving the problems of phase imbalance and amplitude deviation in the multi-stage amplification process, and making the whole-link regulation accurately meet the requirements of the same source timing reference. The mapping module, amplification module, sampling module, transmission module, and control module share the same common timing reference. Signal amplification, parameter acquisition, control parameter transmission, and synchronous control operations throughout the entire link are all executed synchronously under the same common timing reference. The total delay of sampling, transmission, and control operations is less than the inherent time constant of a single-stage amplification process. The control operation and the amplification process of the corresponding amplification stage are completed within the same clock cycle; The output module is used to receive the mapped signal after the end-to-end control is completed, perform output impedance matching processing, restore the voltage and current parameters carried by the same body to electrical signals, and output them through the same port; The output module is directly connected to the final output of the amplification module. After receiving the mapping signal completed by the whole link regulation, it first completes the bidirectional impedance matching with the external output port and the pre-amplification module. Then, it restores the voltage and current parameters carried in the mapping signal to the output electrical signal that matches the impedance characteristics of the external input electrical signal to be transmitted. The output is then output through the same signal port. The output port does not have separate independent voltage output terminal and independent current output terminal. The mapping module is electrically connected to the amplification module and the sampling module; the sampling module and the amplification module are directly connected to the same electrical node; the sampling module is electrically connected to the transmission module and the control module; the control module is electrically connected to the transmission module and the output module.

[0021] In this embodiment, the mapping module receives the externally input electrical signal to be transmitted, completes impedance matching processing, generates and outputs a reference mapping signal carrying voltage and current parameters in the same body. The amplification module synchronously receives the reference mapping signal output from the previous stage, completes multi-stage continuous amplitude amplification processing within the same physical amplification unit, and outputs the cascaded amplified mapping signal. The sampling module receives the mapping signal output from each amplification unit in real time, and synchronously collects and outputs the voltage and current timing parameters in the signal at the same electrical node of the amplification stage that outputs the signal. The transmission module receives the timing parameters output from the previous stage, generates the control parameters of the subsequent amplification unit, and transmits the control parameters and the main mapping signal synchronously in the forward direction along the same transmission link. The control module then receives the forward-transmitted control parameters and the main mapping signal, performs synchronous control operation on the voltage and current parameters in the mapping signal based on the same source reference parameters, and outputs the signal. Finally, the output module receives the mapping signal completed by the full-link control, completes the output impedance matching processing, restores the voltage and current parameters carried in the same body to electrical signals, and outputs them through the same port.

[0022] In the above embodiments, the system can uniformly carry the voltage and current parameters of the electrical signal and process them in a coordinated manner with the same source timing. The multi-stage amplification stage synchronously matches the gain of the two, synchronously collects signal parameters at the same electrical node, and transmits the control parameters and the main signal synchronously along the same link. The amplitude control and phase compensation are completed synchronously. The entire process has low operation latency. Impedance matching is performed at both the input and output ends, which can effectively reduce signal transmission loss and phase shift, making the output electrical signal amplitude stable and the phase accurate, thereby improving the stability and accuracy of electrical signal transmission and amplification.

[0023] See the system application examples in the above embodiments: When the system is applied to the high-speed RF signal power amplification and long-distance transmission link of the RF front-end of 5G mobile communication macro base stations, this scenario requires multi-stage amplification, voltage and current synchronous control, and low-loss transmission of the 3.5GHz RF electrical signal output by the base station baseband unit to ensure amplitude accuracy, phase synchronization, and signal integrity when the signal is transmitted to the antenna unit over long distances. The specific implementation process is as follows: After the system starts up, the mapping module is directly connected to the RF signal input port of the base station baseband unit. It first completes the bidirectional impedance matching between the input port and the subsequent amplification module, and then maps the voltage and current parameters of the 3.5GHz RF electrical signal to the baseband signal with the same source timing reference, generating a reference mapping signal with voltage and current parameters carried in the same body. The voltage and current parameters in this signal share the same transmission carrier and the same source timing clock, with no timing deviation throughout.

[0024] The amplification module adopts an 8-stage continuous amplification link integrated in the same semiconductor physical package. After receiving the reference mapping signal, it synchronously performs 8 stages of continuous amplitude amplification on the voltage and current parameters carried in the same body within the signal. Through the system's preset matching calculation, the gain of each stage of voltage and current amplification is kept synchronously matched. After the 8 stages of amplification are completed, the cumulative phase offset of the voltage and current parameters in the signal is controlled within 0.8°. The inherent time constant of a single stage amplification is 2.1ns. This parameter is a fixed physical value and does not change with the signal amplitude or frequency.

[0025] The sampling module and the amplification module are directly connected to the same electrical node at each amplification output terminal. Within the same clock cycle of the amplified output mapped signal of each stage, the voltage and current timing parameters of that stage signal are synchronously acquired. After synchronous acquisition constraint verification, the acquisition time of each stage voltage and current parameters is completely synchronized, and the real-time phase difference between the voltage and current parameters in the signal is stable within 0.3°, with no timing lag in the acquisition action.

[0026] The transmission module is directly connected to the output of the sampling module. After receiving the timing parameters collected at each stage, it generates the corresponding control parameters for the amplification stage. The control parameters are then embedded into the preset idle timing gap of the main mapping signal, so that the control parameters and the main mapping signal are transmitted synchronously in the same direction along the same physical transmission link. The transmission timing of the control parameters is completely aligned with the amplification transmission timing of the main mapping signal, and the transmission direction is consistent, with no transmission misalignment problem.

[0027] The control module is directly connected to the amplification module at each amplification input, synchronously receiving the forward-transmitted control parameters, main mapping signal, and source reference parameters output by the mapping module. Using the initial voltage and current reference parameters as calibration basis, the voltage and current parameters of each mapping signal are synchronously controlled and phase compensated. Through synchronous control matching calculation, the instantaneous voltage and current values ​​of the signal after each control stage accurately reach the target reference values, the cumulative amplitude gain of the previous stage meets the preset requirements, the real-time phase difference of voltage and current before control is completely compensated, and the phase deviation after control is completely eliminated.

[0028] The mapping module, amplification module, sampling module, transmission module, and control module share the same common timing reference throughout the entire process. Signal amplification, parameter acquisition, control parameter transmission, and synchronous control operations within the entire link are all executed synchronously under this timing reference. After timing verification, the total delay of the three operations of sampling, transmission, and control is 1.2ns, which is less than the inherent time constant of 2.1ns for a single-stage amplification process. The control operation and the amplification process of the corresponding amplification stage can be completed within the same clock cycle.

[0029] Finally, the output module receives the mapped signal after the end-to-end control is completed, performs output impedance matching, restores the voltage and current parameters carried by the signal to a standard radio frequency signal, and transmits it stably to the base station antenna unit through a single output port. The final output radio frequency signal amplitude accuracy reaches 99.9%, the voltage and current synchronization has no deviation, and the signal transmission loss is reduced by 60% compared with the traditional solution, which fully meets the technical requirements of long-distance radio frequency signal transmission of 5G macro base stations.

[0030] It should be noted that: The synchronous timing reference is generated by a high-precision temperature-controlled crystal oscillator as the core clock source. The reference clock signal is synchronously distributed to the mapping module, amplification module, sampling module, transmission module and control module through a dedicated clock distribution chip. Each module has a built-in clock synchronization phase-locked loop to realize the phase locking and timing alignment of the clock signal, ensuring the timing consistency of the entire link signal amplification, parameter acquisition, control transmission and synchronous control operations.

[0031] The reference mapping signal adopts an orthogonal modulation method, which maps the voltage parameters of the electrical signal to be transmitted to the baseband signal I carrier and the current parameters to the Q carrier. The two parameters share the same transmission carrier and the same timing clock. The baseband processing unit completes the same encoding and carrying of the voltage and current parameters to ensure that there is no timing deviation between the two.

[0032] The main mapping signal is divided into timing sequences according to a fixed frame structure. Each frame reserves a fixed length of idle timing gap as a control parameter carrying area. The control parameters are embedded in this gap after being Manchester encoded. The transmission module completes the positioning, extraction and verification of the control parameters through the frame header identifier to ensure that the control parameters are completely aligned with the transmission timing of the main mapping signal and that the transmission direction is consistent.

[0033] The amplification module adopts a multi-stage common-source amplifier circuit cascade topology, integrated within the same CMOS semiconductor physical package. Each stage of the amplification unit is equipped with an adjustable gain amplifier, and the gain is precisely adjusted through a digital potentiometer. The amplification circuits at each stage are connected by AC coupling to ensure that the voltage and current parameters carried by the same body are synchronously amplified.

[0034] The sampling module adopts a dual-channel synchronous sample-and-hold circuit, which is directly connected to the output of the amplifier stage via a common electrical node. The two sampling circuits are controlled to start sampling simultaneously by a synchronous trigger signal from a common timing reference. The analog-to-digital conversion is completed by a high-speed AD converter, and the real-time phase difference of voltage and current parameters is calculated and output in real time by a digital phase detection circuit.

[0035] The control module uses a digital signal processor as its control core. Based on the same reference parameters and the acquired timing parameters, it completes the dynamic adjustment of amplitude through a PID control algorithm and uses a digital phase-shifting circuit to achieve precise phase compensation. The control command is directly output to the adjustable gain amplification unit and the phase-shifting unit, and the control is completed within a single clock cycle.

[0036] Both the mapping module and the output module adopt a π-type impedance matching network. The port impedance value is obtained in real time through the impedance detection circuit. The inductance and capacitance parameters of the matching network are calculated according to the impedance matching formula. Dynamic impedance matching is achieved through adjustable reactance components, which effectively reduces signal transmission loss and port reflection. In this embodiment, the three sets of core constraint formulas are all theoretically derived and practically calibrated based on the physical characteristics of the RF amplifier circuit and digital signal processing algorithms, providing a clear basis for engineering implementation. Among them, the multi-stage amplification gain constraint formula uses the center frequency of the signal to be transmitted and the inherent time constant of a single-stage amplification as fixed physical parameters. The voltage and current gains are iteratively calculated using ADS simulation software, and the cumulative phase offset is measured and calibrated using a vector network analyzer. Each parameter in the formula corresponds to the actual physical quantity of the circuit, without any abstract virtual parameters, and can be directly substituted into the hardware circuit to complete the calculation. In the sampling timing synchronization constraint formula, the real-time operating frequency is output in real time by the hardware frequency detection module, the phase difference is directly acquired by the digital phase detection circuit, and the acquisition time is precisely controlled by the same source clock. The formula is a direct mathematical mapping of the hardware sampling timing and can be directly implemented through FPGA logic circuits. In the synchronous control matching constraint formula, the target reference value is the initial reference parameter output by the mapping module, the cumulative gain is calculated by the amplification module step by step, and the phase difference is the real-time output value of the sampling module. The formula is executed in real time by the DSP floating-point arithmetic unit, with an operation period of no more than 1ns, which can meet the control timing requirements in high-frequency scenarios.

[0037] To address the technical requirement of minimizing the total delay of sampling, transmission, and modulation in 3.5GHz RF scenarios to the inherent time constant of a single-stage amplification, this invention employs a dedicated high-speed hardware architecture to achieve timing convergence. The sampling module uses a 12-bit, 10GSPS high-speed synchronous AD chip, the modulation module uses a heterogeneous processing chip of FPGA and DSP, and the transmission module uses a high-speed serial transceiver. The single-stage processing delay does not exceed 0.4ns. The entire link adopts a co-current clock phase-locked loop design, with clock jitter not exceeding 50fs. Combined with PCB equal-length wiring to eliminate transmission delay deviation, the total delay of sampling, transmission, and modulation operations is stably controlled between 1.0ns and 1.2ns, which is less than the inherent time constant of 2.1ns for single-stage amplification. At the same time, a digital phase-shifting circuit is used to complete phase compensation, with a phase adjustment step size not exceeding 0.1° and a response time not exceeding 0.3ns, enabling accurate phase compensation within a single clock cycle.

[0038] This embodiment employs a technique that embeds the control parameters into the idle timing gap of the main mapping signal. By using a standardized frame structure and an anti-interference coding scheme, it can effectively avoid spectral distortion and in-band interference issues. The main mapping signal is divided into 1024-bit fixed frames, with each frame reserving a 64-bit idle timing gap as the control parameter carrying area. This does not occupy the main signal transmission bandwidth and eliminates the risk of spectral distortion. The control parameters use Manchester encoding combined with CRC checksum, resulting in strong anti-interference capability and a transmission error rate not exceeding 10^-12. The transmission module completes the accurate positioning and extraction of the control parameters through frame header identification. The modulation power of the control parameters is 20dB lower than the main signal power, which will not affect the transmission quality of the main signal and can be adapted to signal transmission in all scenarios of radio frequency and baseband.

[0039] In this embodiment, the same-source timing reference adopts a high-precision hardware design to achieve end-to-end timing synchronization. The clock source uses a high-precision temperature-controlled crystal oscillator with a frequency stability of no more than ±5ppb and a phase noise of no more than -160dBc / Hz@1kHz. The reference clock is synchronously distributed to each functional module through a dedicated clock distribution chip. Each module has a built-in clock synchronization phase-locked loop with a phase synchronization error of no more than 1ps. At the same time, differential clock wiring and electromagnetic shielding design are adopted to eliminate clock crosstalk problems in multi-stage amplifier circuits, ensuring the timing consistency of the entire link signal amplification, parameter acquisition, control transmission, and synchronous control operations.

[0040] The amplifier circuit and impedance matching network in this embodiment have a clear circuit topology, component parameters, and process adaptation scheme, which can be directly used for engineering design. The amplifier circuit adopts an 8-stage common-source amplifier cascade topology using CMOS technology, integrated in the same semiconductor physical package. Each stage of the amplification unit uses an adjustable gain amplifier with a gain adjustment range of 0~40dB and an adjustment accuracy of no more than 0.1dB. AC coupling capacitors are used between stages to isolate DC components and ensure synchronous amplification of voltage and current parameters. Both the input and output terminals use a π-type adjustable impedance matching network with a standard matching impedance of 50Ω. The matching parameters are adjusted in real time through digitally adjustable reactance components, with an impedance matching accuracy of no more than ±0.5Ω and a port reflection coefficient of no more than -25dB, effectively reducing signal transmission loss. The circuit is based on 45nm RFCMOS process fabrication and can be adapted to 3.5GHz high-frequency operating scenarios without process implementation obstacles. Example

[0041] At the implementation level, based on Example 1, this example refers to... Figure 2 The voltage and current synchronous control transmission system based on multi-stage amplification in Example 1 will be further described in detail below: A voltage and current synchronous control transmission method based on multi-stage amplification includes: It receives external electrical signals to be transmitted, completes impedance matching processing, and generates a reference mapping signal that carries both voltage and current parameters. The reference mapping signal is sent into a multi-stage amplification link to complete multi-stage continuous amplitude amplification processing, and the cascaded amplified mapping signal is output. At the same electrical node of each stage of amplification output, the voltage and current timing parameters in the mapped signal are synchronously acquired; Control parameters are generated based on the collected timing parameters, and the control parameters and the main mapping signal are transmitted synchronously in the forward direction along the same transmission link. Based on the same reference parameters, the voltage and current parameters of the mapped signal are synchronously controlled in combination with the control parameters; After the mapped signal is regulated, the output impedance is matched and restored to an electrical signal before being output through the same port.

[0042] In summary, the system and method in the above embodiments ensure the timing consistency of signal transmission and regulation by carrying the voltage and current parameters of the electrical signal to be transmitted in the same manner and controlling them uniformly with the same source timing reference. During the multi-stage continuous amplitude amplification process, the voltage and current gains are matched synchronously to avoid amplitude imbalance. Signal parameters are collected synchronously at the same electrical node to ensure the real-time performance and accuracy of the collected data. The regulation parameters and the main signal are transmitted synchronously in the same direction along the same link to reduce transmission link occupation and signal delay. Amplitude regulation and phase compensation are performed synchronously according to the same source reference parameters to effectively correct phase offset in signal transmission. All operations of the entire link are completed synchronously under the same source timing. The total regulation delay is lower than the inherent time constant of single-stage processing to ensure the timeliness of regulation. Impedance matching is performed at both the input and output ends to reduce signal transmission loss. Finally, the output electrical signal is restored to have stable amplitude and accurate phase, effectively improving the overall stability and reliability of signal transmission and amplification.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A voltage and current synchronous control transmission system based on multi-stage amplification, characterized in that, include: The mapping module is used to receive the external input electrical signal to be transmitted, complete the impedance matching process, generate a reference mapping signal that carries voltage and current parameters in the same body, and output it. The amplification module is used to receive the reference mapping signal output from the previous stage, complete multi-stage continuous amplitude amplification within the same physical amplification unit, and output the cascaded amplified mapping signal. The sampling module is used to receive the mapped signal output by each amplification unit. At the same electrical node of the amplification stage that outputs the signal, the voltage and current timing parameters in the signal are synchronously acquired and output. The transmission module is used to receive the timing parameters output from the previous stage, generate the control parameters of the subsequent amplification unit, and transmit the control parameters and the main mapping signal synchronously in the forward direction along the same transmission link. The control module is used to receive the forward-transmitted control parameters and main mapping signal, and based on the same source reference parameters, to perform synchronous control operations on the voltage and current parameters in the mapping signal and output them. The output module is used to receive the mapped signal after the end-to-end control is completed, perform output impedance matching, restore the voltage and current parameters carried by the same body to electrical signals, and output them through the same port.

2. The voltage and current synchronous control transmission system based on multi-stage amplification according to claim 1, characterized in that, The mapping module is directly connected to the external signal input port. After receiving the external input electrical signal to be transmitted, it completes bidirectional impedance matching with the input port and the amplification module. Then, it maps the voltage and current parameters of the electrical signal to be transmitted to the baseband signal of the same source timing reference, generates a reference mapping signal that carries the voltage and current parameters in the same body, and outputs it to the amplification module. The voltage and current parameters in the reference mapping signal share the same transmission carrier and timing clock.

3. The voltage and current synchronous control transmission system based on multi-stage amplification according to claim 1, characterized in that, The amplification module is a multi-stage continuous amplification link integrated within the same semiconductor physical package. After receiving the reference mapping signal, it completes N stages of continuous amplitude amplification processing within the same amplification link. Each stage of amplification processing is executed synchronously for the voltage and current parameters carried by the same component within the reference mapping signal. The timing of the N stages of amplification processing is completely synchronized with the same timing reference output by the mapping module. The amplitude gain of each stage of amplification processing follows the following order: ； In the formula: The gain of the k-th stage of the amplification module for the voltage parameters within the mapped signal is the amplitude amplification gain. Let N be the amplitude amplification gain of the k-th stage of the amplification module for the current parameter within the mapped signal; N is the total number of amplification stages in the amplification module. This represents the cumulative phase shift between the voltage and current parameters within the mapped signal after N-stage amplification. The center operating frequency of the electrical signal to be transmitted; This is the inherent time constant of a single-stage amplification process.

4. The voltage and current synchronous control transmission system based on multi-stage amplification according to claim 1, characterized in that, The sampling module and the output terminal of the k-th stage of the amplification module are directly connected to the same electrical node. Within the same clock cycle of the output mapped signal of the corresponding amplification stage, the sampling module synchronously acquires the voltage and current timing parameters in the mapped signal. The timing synchronization of the acquisition action satisfies the following constraints: ； In the formula: The sampling module acquires the voltage parameters of the k-th stage output mapped signal of the amplification module at the sampling time. The sampling module acquires the current parameters of the same mapped signal from the same amplification stage at the specified time. This represents the real-time phase difference between the voltage and current parameters within the output mapped signal of this amplifier stage. This is the real-time operating frequency of the output mapped signal of this amplification stage.

5. The voltage and current synchronous control transmission system based on multi-stage amplification according to claim 1, characterized in that, The signal input terminal of the transmission module is directly connected to the output terminal of the sampling module. After receiving the timing parameters output by the sampling module, it generates the corresponding control parameters of the amplification stage and embeds the control parameters into the preset idle timing gap of the main mapping signal, so that the control parameters and the main mapping signal are transmitted synchronously in the same physical transmission link. The transmission timing of the control parameters is completely aligned with the amplification transmission timing of the main mapping signal, and the transmission direction of the control parameters is consistent with the transmission direction of the main mapping signal.

6. The voltage and current synchronous control transmission system based on multi-stage amplification according to claim 5, characterized in that, The control module is directly connected to the input terminal of the k-th stage amplification module, receiving the forward-transmitted control parameters and main mapping signal, and simultaneously receiving the same-source reference parameters output by the mapping module. These same-source reference parameters are the initial voltage and current parameters of the reference mapping signal. The control module uses these same-source reference parameters as a calibration reference and the control parameters as the basis for dynamic adjustment, synchronously performing amplitude control and phase compensation operations on the voltage and current parameters within the main mapping signal. The controlled mapping signal obeys the following synchronization matching constraint: ； In the formula: The instantaneous voltage value of the mapped signal after modulation of the k-th stage of the amplification module; The target voltage reference value for the same source reference parameter at level k; The instantaneous current value of the mapped signal after modulation in the k-th stage of the amplification module; is the target current reference value of the same source reference parameter at the kth stage; is the cumulative amplitude gain of the first k stages of the amplification module; This represents the real-time phase difference between the voltage and current parameters within the mapped signal before the k-th level of regulation.

7. The voltage and current synchronous control transmission system based on multi-stage amplification according to claim 1, characterized in that, The mapping module, amplification module, sampling module, transmission module, and control module share the same common timing reference. Signal amplification, parameter acquisition, control parameter transmission, and synchronous control operations throughout the entire link are all executed synchronously under the same common timing reference. The total delay of sampling, transmission, and control operations is less than the inherent time constant of a single-stage amplification process. The control operation and the amplification process of the corresponding amplification stage are completed within the same clock cycle.

8. The voltage and current synchronous control transmission system based on multi-stage amplification according to claim 1, characterized in that, The mapping module is electrically connected to the amplification module and the sampling module; the sampling module and the amplification module are directly connected to the same electrical node; the sampling module is electrically connected to the transmission module and the control module; the control module is electrically connected to the transmission module and the output module.

9. A voltage and current synchronous control transmission method based on multi-stage amplification, wherein the method is an implementation method of the voltage and current synchronous control transmission system based on multi-stage amplification as described in any one of claims 1-8, characterized in that, include: It receives external electrical signals to be transmitted, completes impedance matching processing, and generates a reference mapping signal that carries both voltage and current parameters. The reference mapping signal is sent into a multi-stage amplification link to complete multi-stage continuous amplitude amplification processing, and the cascaded amplified mapping signal is output. At the same electrical node of each stage of amplification output, the voltage and current timing parameters in the mapped signal are synchronously acquired; Control parameters are generated based on the collected timing parameters, and the control parameters and the main mapping signal are transmitted synchronously in the forward direction along the same transmission link. Based on the same reference parameters, the voltage and current parameters of the mapped signal are synchronously controlled in combination with the control parameters; After the mapped signal is regulated, output impedance matching is performed, and the signal is restored to an electrical signal and then output through the same port.

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