Exponential wave pulse signal generating circuit and device
By employing an energy storage module with multiple parallel capacitors and switching devices in an exponential wave pulse signal generator, combined with a main controller and a waveform modulation module, the problems of large size, high cost, and limited energy storage capacity of traditional devices are solved. This achieves current stability and waveform controllability, improving the practicality and safety of the circuit.
Patent Information
- Application Number
- CN202423247933.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In traditional exponential wave pulse signal generators, the use of a single large-capacity capacitor results in a large device size, high cost, and limited energy storage capacity, making it difficult to generate exponential wave pulse signals that meet testing requirements, and the waveform and parameters are difficult to control precisely.
An energy storage module with multiple parallel capacitors and corresponding switching devices is used, combined with a main controller to control synchronous discharge. The peak current is adjusted by a waveform modulation module, and a voltage sampling and decoupling module is added to the circuit to improve control and safety.
It reduces the requirements for capacitors, can generate a large current in a short time, has good stability in the discharge process, and has strong controllability of the output waveform, thus improving the practicality and safety of the circuit.
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Figure CN223816145U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of pulse signal generation, in particular to an exponential wave pulse signal generation circuit and device. BACKGROUND
[0002] In the research and development and testing process of equipment, it is crucial to understand the response and performance of the equipment under a specific signal. Among them, the exponential wave pulse signal as a common test signal is widely used to test the performance of the equipment under the impact of instantaneous large current. For example, the exponential wave pulse signal generation device can be used to simulate the instantaneous large current generated by lightning to test the performance of the equipment when it is struck by lightning.
[0003] The traditional exponential wave pulse signal generation device often uses a single large-capacity capacitor as an energy storage element to release electrical energy to generate an exponential wave pulse signal when needed. However, this approach has two problems. First, it requires a high-capacity capacitor, which increases the size and cost of the device. Second, the energy storage capacity of a single capacitor is limited, making it difficult to provide a large enough current in a short time to generate an exponential wave pulse signal that meets testing requirements. The waveform and parameters of the generated pulse signal are often difficult to accurately control. CONTENT OF THE INVENTION
[0004] To solve one or more of the above technical problems, the present application provides an exponential wave pulse signal generation circuit and device.
[0005] In a first aspect, the present application provides an exponential wave pulse signal generation circuit, which adopts the following technical solution:
[0006] The exponential wave pulse signal generation circuit includes a main controller, a direct current power supply module, an energy storage module, and a discharge module connected in sequence. The main controller is connected to the control end of the discharge module, and the output end of the discharge module is connected to the device under test. The energy storage module includes multiple parallel capacitors, and the discharge module includes multiple switch devices. The energy storage capacitors in the energy storage module are connected one-to-one to the switch devices in the discharge module.
[0007] The capacitors in the energy storage module are used to store electrical energy based on the direct current provided by the direct current power supply module.
[0008] The main controller is used to control the switch devices in the discharge module to be turned on synchronously, and the capacitors in the energy storage module release the stored electrical energy synchronously to generate an exponential wave pulse signal on the device under test.
[0009] By adopting the technical scheme, the multiple parallel capacitors are arranged in the energy storage module, and the one-to-one corresponding switching devices are arranged in the discharge module; after the circuit is started, the energy storage module stores the electric energy first, and then the discharge module is controlled to be turned on, so that the energy storage module is connected with the measured device, and the electric energy stored in the multiple capacitors in the energy storage module is released synchronously to generate a larger exponential wave pulse signal on the measured device; compared with the traditional mode, the mode of the present application has the advantages that the requirement for the capacitor is reduced, a larger current can be generated in a short time, the discharge process has better controllability and stability, and the output exponential wave pulse waveform is easier to control.
[0010] In one specific implementable scheme, the exponential wave pulse signal generation circuit further comprises a wave modulation module; the wave modulation module is connected in series between the discharge module and the measured device.
[0011] The wave modulation module is configured to adjust the peak current of the exponential wave pulse signal.
[0012] By adopting the technical scheme, the peak current of the exponential wave pulse signal can be flexibly adjusted according to actual needs through the wave modulation module, so as to test the performance of the measured device under different exponential wave pulse signals, and the practicability of the circuit is improved.
[0013] In one specific implementable scheme, the exponential wave pulse signal generation circuit further comprises a voltage sampling module; one end of the voltage sampling module is connected to the intermediate node of the direct current power supply module and the energy storage module, and the other end is connected to the main controller.
[0014] The main controller is configured to detect the output voltage of the direct current power supply module through the voltage sampling module.
[0015] By adopting the technical scheme, the voltage at the output end of the direct current power supply module can be grasped in real time through the voltage sampling module, so as to facilitate the control and protection of the entire circuit.
[0016] In one specific implementable scheme, the exponential wave pulse signal generation circuit further comprises a decoupling module; the decoupling module is connected in series between the output end of the discharge module and the measured device.
[0017] By adopting the technical scheme, the decoupling module is added in the circuit, so that the damage of related components and the measured device caused by the transient peak pulse in the circuit can be effectively avoided, and the safety and reliability of the circuit are improved.
[0018] In one specific implementable scheme, the energy storage module further comprises a resistor connected in series with the capacitor in the energy storage module in a one-to-one manner.
[0019] The resistor in the energy storage module is used for adjusting the charging rate of the capacitor in the energy storage module.
[0020] By adopting the above technical solution, for the capacitor in the energy storage module, the corresponding series resistor is arranged, the resistance value of the resistor can be flexibly adjusted according to actual needs, so as to realize the adjustment of the charging rate of the capacitor, and the resistor can also play a certain current limiting role to protect the capacitor and other components in the circuit.
[0021] In a specific implementable scheme, the wave modulation module includes a plurality of resistors connected in parallel; the resistors in the wave modulation module are connected one by one with the switching devices in the discharge module.
[0022] By adopting the above technical solution, the resistors are used in the wave modulation module, and the peak current of the exponential wave pulse signal can be configured by adjusting the resistance value of the resistor.
[0023] In a specific implementable scheme, the voltage sampling module includes resistors R7, R8, R9 and R10.
[0024] The resistor R7, the resistor R8, the resistor R9 and the resistor R10 are connected in series; one end of the resistor R7 not connected with the resistor R8 is connected with the positive output end of the direct current power supply module; one end of the resistor R8 connected with the resistor R9 is connected with the negative output end of the direct current power supply module; one end of the resistor R8 connected with the resistor R9 and one end of the resistor R10 not connected with the resistor R9 are grounded.
[0025] The main controller calculates the output voltage of the direct current power supply module by collecting the voltage of the node between the resistor R7 and the resistor R8 and collecting the voltage of the node between the resistor R9 and the resistor R10.
[0026] By adopting the above technical solution, the main controller calculates the output voltage of the direct current power supply module by differential sampling, and the calculation result is more reliable.
[0027] In a specific implementable scheme, the decoupling module includes a first decoupling sub-module; the first decoupling sub-module includes capacitors C6, C7, C8, inductors L1 and L2.
[0028] One end of the capacitor C7 is connected with one end of the capacitor C8, one end of the inductor L1 and one output end of the discharging module respectively; the other end of the capacitor C7 is connected with one end of the capacitor C6, one end of the inductor L2 and the other output end of the discharging module respectively; the other end of the capacitor C6 and the other end of the capacitor C8 are grounded; the other end of the inductor L1 and the other end of the inductor L2 are connected to two ends of the device under test respectively.
[0029] In one specific implementation, the decoupling module further comprises a second decoupling sub-module, which is connected in series between the first decoupling sub-module and the device under test.
[0030] The second decoupling sub-module comprises a diode D1, an inductor L3, a capacitor C9 and a resistor module comprising a plurality of resistors connected in parallel.
[0031] The diode D1 and the inductor L3 are connected in series between the inductor L1 and the device under test; one end of the capacitor C9 is connected to an intermediate node of the inductor L1 and the diode D1, and the other end is connected to an intermediate node of the inductor L2 and the device under test; one end of the resistor module is connected to an intermediate node of the diode D1 and the inductor L3, and the other end is connected to an intermediate node of the inductor L2 and the device under test.
[0032] In a second aspect, the present application provides an exponential wave pulse signal generating device, which adopts the following technical scheme: the device comprises the exponential wave pulse signal generating circuit in the first aspect or any implementation of the first aspect.
[0033] The one or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
[0034] In the energy storage module, a plurality of parallel capacitors are arranged, and a one-to-one corresponding switching device is arranged in the discharging module; after the circuit is started, the energy storage module stores energy first, and then the discharging module is controlled to be turned on, so that the energy storage module is connected with the device under test, and the energy stored in the plurality of capacitors in the energy storage module is released synchronously, generating a larger exponential wave pulse signal on the device under test. Compared with the traditional method, the method of the present application has the advantages of reducing the requirement for the capacitor, being able to generate a larger current in a short time, having good controllability and stability in the discharging process, and the output exponential wave pulse waveform being easier to control. BRIEF DESCRIPTION OF DRAWINGS
[0035] Figure 1 is the main module connection diagram of the exponential wave pulse signal generating circuit in the embodiments of the present application;
[0036] Figure 2It is a specific implementation circuit of the exponential wave pulse signal generation circuit in the embodiment of the present application.
[0037] Explanation of reference signs:
[0038] 1, main controller; 2, DC power supply module; 3, energy storage module; 4, discharge module; 5, wave modulation module; 6, voltage sampling module; 7, decoupling module; 71, first decoupling submodule; 72, second decoupling submodule. DETAILED DESCRIPTION
[0039] In order for those skilled in the art to better understand the technical solutions in the specification, the technical solutions in the embodiments of the specification will be clearly and completely described below in combination with the drawings in the embodiments of the specification. Obviously, the described embodiments are only some of the embodiments of the present application, not all.
[0040] In the description of the embodiments of the present application, the words such as "for example" or "for instance" are used to represent an example, illustration or description. Any embodiment or design scheme described as "for example" or "for instance" in the embodiments of the present application should not be interpreted as more preferred or more advantageous than other embodiments or design schemes. Rather, the use of words such as "for example" or "for instance" is intended to present the relevant concept in a specific manner.
[0041] In the description of the embodiments of the present application, the term "a plurality of" means two or more. In addition, the terms "first", "second" are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the indicated technical features. Therefore, the features defined with "first", "second" can be explicitly or implicitly included one or more features. The terms "include", "contain", "have" and their variants mean "include but are not limited to", unless otherwise specifically emphasized.
[0042] The embodiments of the present application provide an exponential wave pulse signal generation circuit, as shown in Figure 1 The exponential wave pulse signal generation circuit includes a main controller 1, and further includes a DC power supply module 2, an energy storage module 3 and a discharge module 4 connected in sequence; the main controller 1 is connected with a control end of the discharge module 4, and an output end of the discharge module 4 is connected with a device under test; the energy storage module 3 includes a plurality of parallel capacitors, the discharge module 4 includes a plurality of switching devices, and the energy storage capacitors in the energy storage module 3 are connected with the switching devices in the discharge module 4 one by one;
[0043] The capacitors in the energy storage module 3 are used to store energy based on the DC power provided by the DC power supply module 2;
[0044] The main controller 1 is used for controlling the switch devices in the discharge module 4 to be synchronously turned on, and then the capacitors in the energy storage module 3 synchronously release the stored electric energy to generate an exponential wave pulse signal on the measured device.
[0045] Preferably, the switch devices in the discharge module 4 are SCR electronic switches.
[0046] Therefore, a plurality of parallel capacitors are arranged in the energy storage module 3, and a corresponding switch device is arranged in the discharge module 4; after the circuit is started, the electric energy is first stored in the energy storage module 3, and then the discharge module 4 is controlled to be turned on, so that the energy storage module 3 is connected with the measured device, and then the electric energy stored in the plurality of capacitors in the energy storage module 3 is synchronously released to generate a larger exponential wave pulse signal on the measured device, so as to test the performance of the measured device under the impact of the large-current exponential wave pulse signal; compared with the traditional mode, the mode of the present application has the advantages of reducing the requirement for the capacitor, being able to generate a larger current in a short time, having good controllability and stability in the discharge process, and the output exponential wave pulse waveform being easier to control.
[0047] In a possible implementation, as shown in Figure 1 The exponential wave pulse signal generation circuit further includes a wave adjustment module 5; the wave adjustment module 5 is connected in series between the discharge module 4 and the measured device.
[0048] The wave adjustment module 5 is used for adjusting the peak current of the exponential wave pulse signal.
[0049] Through the wave adjustment module 5, the peak current of the exponential wave pulse signal can be flexibly adjusted according to actual needs, so as to test the performance of the measured device under different exponential wave pulse signals, and the practicability of the circuit is improved.
[0050] In a possible implementation, as shown in Figure 1 The exponential wave pulse signal generation circuit further includes a voltage sampling module 6; one end of the voltage sampling module 6 is connected to the intermediate node of the direct-current power supply module 2 and the energy storage module 3, and the other end is connected with the main controller 1.
[0051] The main controller 1 is used for detecting the output voltage of the direct-current power supply module 2 through the voltage sampling module 6.
[0052] Through the voltage sampling module 6, the main controller 1 can master the voltage condition of the output end of the direct-current power supply module 2 in real time, so as to facilitate the control and protection of the entire circuit.
[0053] In a possible implementation, as shown in Figure 1As shown, the exponential wave pulse signal generating circuit further comprises a decoupling module 7; the decoupling module 7 is connected in series between the output end of the discharging module 4 and the device under test.
[0054] Therefore, the addition of the decoupling module 7 in the circuit can effectively avoid the damage of the transient peak pulse in the circuit to the related components and the device under test, and improve the safety and reliability of the circuit.
[0055] In a possible implementation, the energy storage module 3 further comprises a resistor connected in series with each capacitor in the energy storage module 3.
[0056] The resistor in the energy storage module 3 is configured to adjust the charging rate of the capacitor in the energy storage module 3.
[0057] Specifically, as shown in the figure, Figure 2 The energy storage module 3 comprises five capacitors C1, C2, C3, C4 and C5 connected in parallel, and five resistors RH1, RH2, RH3, RH4 and RH5 connected in series with the capacitors respectively.
[0058] Therefore, for each capacitor in the energy storage module 3, a corresponding resistor is arranged in series, which can be adjusted in resistance value according to actual needs to adjust the charging rate of the capacitor, and also can play a certain current limiting role to protect the capacitor and other components in the circuit.
[0059] In a possible implementation, the wave modulation module 5 comprises a plurality of resistors connected in parallel; the resistors in the wave modulation module 5 are connected in one-to-one correspondence with the switching devices in the discharging module 4.
[0060] Specifically, as shown in the figure, Figure 2 The wave modulation module 5 comprises five resistors R1, R2, R3, R4 and R5 connected in parallel; and the switching devices in the discharging module 4 are switches KT1, KT2, KT3, KT4 and KT5.
[0061] Therefore, the use of resistors in the wave modulation module 5 can configure the corresponding peak current of the exponential wave pulse signal by adjusting the resistance value of the resistors.
[0062] In a possible implementation, as shown in the figure, Figure 2 The voltage sampling module 6 comprises resistors R7, R8, R9 and R10.
[0063] The resistance R7, the resistance R8, the resistance R9 and the resistance R10 are connected in series; one end of the resistance R7 not connected with the resistance R8 is connected with the positive output end of the direct current power supply module 2; one end of the resistance R8 connected with the resistance R9 is connected with the negative output end of the direct current power supply module 2; one end of the resistance R8 connected with the resistance R9 and one end of the resistance R10 not connected with the resistance R9 are grounded.
[0064] The main controller 1 calculates the output voltage of the direct current power supply module 2 by collecting the voltage of the node between the resistance R7 and the resistance R8 and collecting the voltage of the node between the resistance R9 and the resistance R10.
[0065] Therefore, the main controller 1 calculates the output voltage of the direct current power supply module 2 by the differential sampling mode, and the calculation result is more reliable.
[0066] In a possible implementation, as shown in Figure 1 and Figure 2 The decoupling module 7 includes a first decoupling sub-module 71; the first decoupling sub-module 71 includes a capacitor C6, a capacitor C7, a capacitor C8, an inductor L1 and an inductor L2.
[0067] One end of the capacitor C7 is connected with one end of the capacitor C8, one end of the inductor L1 and one output end of the discharging module 4 respectively; the other end of the capacitor C7 is connected with one end of the capacitor C6, one end of the inductor L2 and the other output end of the discharging module 4 respectively; the other end of the capacitor C6 and the other end of the capacitor C8 are grounded; the other end of the inductor L1 and the other end of the inductor L2 are connected to two ends of the measured device respectively.
[0068] Further, as shown in Figure 2 The first decoupling sub-module 71 further includes a resistance R11 connected in parallel across the capacitor C8 and a resistance R12 connected in parallel across the capacitor C6.
[0069] Therefore, the first decoupling sub-module 71 utilizes the differential mode decoupling principle to differentially decouple the voltage output from the two output ends of the direct current power supply module 2, thereby reducing the surge voltage in the circuit.
[0070] In a possible implementation, as shown in Figure 1 and Figure 2 The decoupling module 7 further includes a second decoupling sub-module 72, which is connected in series between the first decoupling sub-module 71 and the measured device.
[0071] The second decoupling submodule 72 comprises a diode D1, an inductor L3, a capacitor C9, and a resistor module composed of a plurality of resistors in parallel;
[0072] The diode D1 and the inductor L3 are connected in series between the inductor L1 and the measured device; one end of the capacitor C9 is connected to the intermediate node of the inductor L1 and the diode D1, and the other end is connected to the intermediate node of the inductor L2 and the measured device; one end of the resistor module is connected to the intermediate node of the diode D1 and the inductor L3, and the other end is connected to the intermediate node of the inductor L2 and the measured device.
[0073] Therefore, the inductor L3 is used in the second decoupling submodule 72, and the capacitor C9 is used to form an LC reverse filter circuit to filter high-frequency voltage signals and decouple direct voltage under pulse surge and abnormal discharge.
[0074] In a possible implementation, as shown in Figure 1 The exponential wave pulse signal generation circuit further comprises an alternating current power supply; an output end of the alternating current power supply is connected to an input end of the direct current power supply module;
[0075] The direct current power supply module is configured to output corresponding direct current based on alternating current output by the alternating current power supply.
[0076] In a possible implementation, as shown in Figure 2 The exponential wave pulse signal generation circuit further comprises a circuit breaker QF1, fuses FU1 and FU2, and contactors ST1 and ST2;
[0077] The circuit breaker QF1 is connected in series between the alternating current power supply and the direct current power supply module; the fuse FU1 and the contactor ST1 are connected in series between a live wire output end of the alternating current power supply and a live wire input end of the direct current power supply module, and the fuse FU2 and the contactor ST2 are connected in series between a zero wire output end of the alternating current power supply and a zero wire input end of the direct current power supply module.
[0078] The circuit breaker QF1 and the fuses FU1 and FU2 are configured to provide overload and short circuit protection, and the contactors ST1 and ST2 are configured to provide electrical control between the alternating current power supply and the direct current power supply module.
[0079] In a possible implementation, as shown in Figure 2 The exponential wave pulse signal generation circuit further comprises a lightning arrester connected to a line between the alternating current power supply and the direct current power supply module.
[0080] In a possible implementation, as shown in Figure 2As shown, the exponential wave pulse signal generating circuit further comprises a first current sampling module and a second current sampling module; output ends of the first current sampling module and the second current sampling module are connected with the main controller 1.
[0081] The main controller 1 is used for detecting the output current of the alternating current power supply and the input current of the device under test through the first current sampling module and the second current sampling module respectively.
[0082] The main controller 1 can more comprehensively master the running condition of the circuit by detecting the currents at the two places, and can also provide a reference for starting other devices, etc., which are not limited in the present application.
[0083] In a possible implementation manner, as shown in the accompanying drawings, Figure 2 As shown, the exponential wave pulse signal generating circuit further comprises a resistor R6 and a switch Kd1; the resistor R6 and the switch Kd1 are connected in series, one end of which is connected with the positive output end of the direct current power supply module 2, and the other end is connected with the negative output end of the direct current power supply module 2.
[0084] The resistor R6 and the switch Kd1 constitute a grounding protection structure, which is used for the safe grounding of the direct current power supply module 2.
[0085] The present application provides an exponential wave pulse signal generating device, which comprises the exponential wave pulse signal generating circuit in the above embodiments or any of the implementation manners.
[0086] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. An exponential wave pulse signal generating circuit characterized by comprising: The main controller (1) is connected with the control end of the discharge module (4), and the output end of the discharge module (4) is connected with the measured device; the energy storage module (3) comprises a plurality of parallel capacitors, and the discharge module (4) comprises a plurality of switch devices; the energy storage capacitors in the energy storage module (3) are connected with the switch devices in the discharge module (4) in a one-to-one manner; The capacitor in the energy storage module (3) is used for storing electric energy based on the direct-current power provided by the direct-current power supply module (2); The main controller (1) is used for controlling the switch devices in the discharge module (4) to be synchronously turned on, so that the capacitors in the energy storage module (3) synchronously release the stored electric energy, and an exponential wave pulse signal is generated on the measured device.
2. The exponential wave pulse signal generating circuit according to claim 1, characterized by, The wave modulation module (5) is further included; the wave modulation module (5) is connected in series between the discharge module (4) and the measured device; The wave modulation module (5) is used for adjusting the peak current of the exponential wave pulse signal.
3. The exponential wave pulse signal generating circuit according to claim 1, wherein The voltage sampling module (6) is further included; one end of the voltage sampling module (6) is connected to the intermediate node of the direct-current power supply module (2) and the energy storage module (3), and the other end is connected with the main controller (1); The main controller (1) is used for detecting the output voltage of the direct-current power supply module (2) through the voltage sampling module (6).
4. The exponential wave pulse signal generating circuit according to claim 1, characterized by, The decoupling module (7) is further included; the decoupling module (7) is connected in series between the output end of the discharge module (4) and the measured device.
5. The exponential wave pulse signal generating circuit according to claim 1, wherein The energy storage module (3) further comprises a resistor connected in series with the capacitor in the energy storage module (3) in a one-to-one manner; The resistor in the energy storage module (3) is used for adjusting the charging rate of the capacitor in the energy storage module (3).
6. The exponential wave pulse signal generating circuit according to claim 2, wherein The wave modulation module (5) comprises a plurality of parallel resistors; the resistors in the wave modulation module (5) are connected with the switch devices in the discharge module (4) in a one-to-one manner.
7. The exponential wave pulse signal generating circuit according to claim 3, wherein The voltage sampling module (6) comprises resistors R7, R8, R9 and R10; The resistor R7, the resistor R8, the resistor R9 and the resistor R10 are connected in series; one end of the resistor R7, which is not connected with the resistor R8, is connected with the positive output end of the direct-current power supply module (2); one end of the resistor R8, which is connected with the resistor R9, is connected with the negative output end of the direct-current power supply module (2); one end of the resistor R8, which is connected with the resistor R9, and one end of the resistor R10, which is not connected with the resistor R9, are grounded; The main controller (1) calculates the output voltage of the direct-current power supply module (2) by collecting the voltage of the intermediate node of the resistor R7 and the resistor R8 and collecting the voltage of the intermediate node of the resistor R9 and the resistor R10.
8. The exponential wave pulse signal generating circuit according to claim 4, wherein The decoupling module (7) comprises a first decoupling submodule (71); the first decoupling submodule (71) comprises capacitors C6, C7, C8, inductors L1 and L2; One end of the capacitor C7 is connected with one end of the capacitor C8, one end of the inductor L1 and one output end of the discharging module (4) respectively; the other end of the capacitor C7 is connected with one end of the capacitor C6, one end of the inductor L2 and the other output end of the discharging module (4) respectively; the other end of the capacitor C6 and the other end of the capacitor C8 are grounded; the other end of the inductor L1 and the other end of the inductor L2 are connected to two ends of the device under test respectively.
9. The exponential wave pulse signal generating circuit according to claim 8, wherein The decoupling module (7) further comprises a second decoupling sub-module (72) connected in series between the first decoupling sub-module (71) and the device under test; The second decoupling sub-module (72) comprises a diode D1, an inductor L3, a capacitor C9 and a resistance module comprising a plurality of resistors connected in parallel; Wherein, the diode D1 and the inductor L3 are connected in series between the inductor L1 and the device under test; one end of the capacitor C9 is connected to the intermediate node of the inductor L1 and the diode D1, and the other end is connected to the intermediate node of the inductor L2 and the device under test; one end of the resistance module is connected to the intermediate node of the diode D1 and the inductor L3, and the other end is connected to the intermediate node of the inductor L2 and the device under test.
10. An exponential wave pulse signal generating device, characterized by comprising: An exponential wave pulse signal generation circuit comprising any one of claims 1-8. An exponential wave pulse signal generation circuit comprising any one of claims 1-8.