Power supply device for broadband signal simulator

Abstract

The utility model relates to the technical field of radio frequency signals, in particular to a power supply device for a broadband signal simulator, which comprises a processing module, a signal generation module, a clock module and a power supply module, the power supply module comprises a power supply monitoring unit, a heat dissipation power supply unit and a power supply conversion unit, the power supply monitoring unit is connected with the heat dissipation power supply unit, and the heat dissipation power supply unit is connected with the power supply conversion unit. The heat dissipation power supply unit is connected with the processing module, the power supply conversion unit is respectively connected with the signal generation module and the clock module, independent power supply is carried out on a fan in the processing module through a transistor and a voltage suppressor, and an independent power supply path is constructed through connection of the transistor and the voltage suppressor. And the fan can independently obtain the required power supply support.

Description

Technical Field

[0001] The utility model relates to the technical field of radio frequency signals, in particular to a power supply device for a broadband signal simulator. Background Art

[0002] A broadband signal simulator is an electronic device used to generate and simulate broadband signals. It is widely used in the design, testing and verification of communication systems. It can generate broadband signals with specific characteristics to simulate signal transmission conditions in the real world and help engineers evaluate and optimize the performance of communication systems.

[0003] Broadband signal simulators usually require a stable power supply to ensure that each module and component can work properly. The power module can provide stable voltage and current output to meet the system's high-quality power requirements.

[0004] Currently, the existing power modules can only provide power for the entire module chip during the power supply process, that is, the power module supplies power to the module chip, and the module chip supplies power to the small units in the module chip. The power module cannot supply power to the small units in the module chip separately. This limitation may lead to unbalanced power distribution at the module level, resulting in insufficient power supply to some small units, thereby affecting the overall performance of the system. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that the power module cannot independently supply power to the small units in the module chip, resulting in unbalanced power distribution at the module level, causing insufficient power supply to the small units, thereby affecting the overall performance of the system.

[0006] The utility model is realized by the following technical solutions:

[0007] A power supply device for a broadband signal simulator comprises a processing module, a signal generating module, a clock module and a power supply module. The power supply module comprises a power supply monitoring unit, a heat dissipation power supply unit and a power supply conversion unit. The power supply monitoring unit is connected to the heat dissipation power supply unit, the heat dissipation power supply unit is connected to the processing module, and the power supply conversion unit is respectively connected to the signal generating module and the clock module.

[0008] Furthermore, the power conversion unit includes a signal generation module power conversion circuit and a clock module power conversion circuit, wherein the signal generation module power conversion circuit is connected to the signal generation module, and the clock module power conversion circuit is connected to the clock module.

[0009] Furthermore, the power monitoring module includes a common mode filter and a power monitoring chip U1 of model INA260AIPW, wherein the input end of the common mode filter is connected to the 12V voltage end, the output end of the common mode filter is connected to the voltage bus measurement end of the power monitoring chip U1 and the IN+ end of the power monitoring chip U1, and the IN- end of the power monitoring chip U1 is connected to the heat dissipation power supply unit.

[0010] Furthermore, the heat dissipation power supply unit includes a transistor Q1 with model number FDMS86101DC, a transistor Q2 and a voltage suppressor U2 with model number LTC4364HDE-2, wherein the drain of the transistor Q1 is respectively connected to the IN-end of the source monitoring chip U1, the overvoltage end and the undervoltage end of the voltage suppressor U2, the gate of the transistor Q1 is connected to the driving end of the voltage suppressor U2, the sources of the transistor Q1 and the transistor Q2 are connected to each other, the gate of the transistor Q2 is connected to the other driving end of the voltage suppressor U2, and the drain of the transistor Q2 is respectively connected to the monitoring end and the processing module of the voltage suppressor U2.

[0011] Furthermore, the signal generation module power conversion circuit includes a power conversion chip U3 and a power conversion chip U4 of model LTM4662IV;

[0012] The voltage input end of the power conversion chip U3 is connected to the 12V voltage end, the voltage output end of the power conversion chip U3 is connected to the voltage input end of the linear regulator U6, and the voltage output end of the linear regulator U6 is connected to the signal generation module;

[0013] The voltage input end of the power conversion chip U4 is connected to the 12V voltage end, the voltage output end of the power conversion chip U4 is respectively connected to the voltage input end of the linear voltage regulator U7 and the voltage input end of the linear voltage regulator U8, the voltage output end of the linear voltage regulator U7 is connected to the signal generation module, and the voltage output end of the linear voltage regulator U8 is connected to the signal generation module;

[0014] The model of the linear regulator U6 is TPS7A8101DRBR, and the model of the linear regulator U7 and the linear regulator U8 are SGM2050XTRL20G / TR.

[0015] Furthermore, the clock module power conversion circuit includes a power conversion chip U5 of model LTM4662IV;

[0016] The voltage input end of the power conversion chip U5 is connected to the 12V voltage end, the voltage output end of the power conversion chip U5 is respectively connected to the voltage input end of the linear voltage regulator U9, the voltage input end of the linear voltage regulator U10, and the voltage input end of the linear voltage regulator U11, the voltage output end of the linear voltage regulator U9 is connected to the clock module, the voltage output end of the linear voltage regulator U10 is connected to the clock module, and the voltage output end of the linear voltage regulator U11 is connected to the clock module;

[0017] The model of the linear regulator U9 is ADM7154ACPZ-3.3, the model of the linear regulator U10 is ADM7154ACPZ-3.3, and the model of the linear regulator U11 is ADP7158ACPZ-3.3-R7.

[0018] Beneficial effects of the utility model:

[0019] (1) The utility model proposes a power supply device for a broadband signal simulator, which realizes independent power supply to a fan in a processing module through a transistor and a voltage suppressor. The connection between the transistor and the voltage suppressor constructs an independent power supply path, so that the fan can obtain the required power support independently;

[0020] (2) The utility model proposes a power supply device for a broadband signal simulator, in which a power monitoring chip provides accurate current, voltage and power measurement. By accurately monitoring the power status, the overall reliability of the system can be improved and system failures or performance degradation caused by power problems can be reduced;

[0021] (3) The power supply device for a broadband signal simulator proposed in the utility model effectively reduces electromagnetic interference and improves the electromagnetic compatibility of the system through the use of a common mode filter, thereby enhancing the stability and reliability of the signal;

[0022] (4) The utility model proposes a power supply device for a broadband signal simulator, which provides stable and accurate voltages for different modules through a power conversion chip and a variety of linear regulators, thereby ensuring high-performance operation of signal generation and clock modules. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 This is a circuit schematic diagram of a power supply monitoring unit of a power supply device for a broadband signal simulator proposed by the utility model;

[0025] Figure 2 This is a circuit schematic diagram of a heat dissipation power supply unit of a power supply device for a broadband signal simulator proposed by the utility model;

[0026] Figure 3 The power conversion circuit principle of the signal generation module of the power supply device for the broadband signal simulator proposed by the utility model Figure 1 ;

[0027] Figure 4 The power conversion circuit principle of the signal generation module of the power supply device for the broadband signal simulator proposed by the utility model Figure 2 ;

[0028] Figure 5 The power conversion circuit principle of the signal generation module of the power supply device for the broadband signal simulator proposed by the utility model Figure 3 ;

[0029] Figure 6 The power conversion circuit principle of the signal generation module of the power supply device for the broadband signal simulator proposed by the utility model Figure 4 ;

[0030] Figure 7 The utility model proposes a clock module power conversion circuit principle for a power supply device for a broadband signal simulator Figure 1 ;

[0031] Figure 8 The utility model proposes a clock module power conversion circuit principle for a power supply device for a broadband signal simulator Figure 2 . DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0033] Example 1

[0034] refer to Figure 1 , this embodiment proposes a specific implementation of a power supply monitoring unit for a power supply device of a broadband signal simulator.

[0035] A power supply device for a broadband signal simulator includes a power supply monitoring unit, which includes a common-mode filter L6 and a power supply monitoring chip U1. In this embodiment, the common-mode filter L6 is ACM70V-701-2PL-TL00, and the power supply monitoring chip U1 is INA260AIPW. Pin 1 of the common-mode filter L6 is connected to a 12V voltage terminal, pins 2 and 3 of the common-mode filter L6 are grounded, and pin 4 of the common-mode filter L6 is respectively connected to pins 1 and 12 of the power supply monitoring chip U1. Pin 10 of the power supply monitoring chip U1 is respectively connected to one end of a capacitor C28, one end of a capacitor C29 and a 3.3V voltage input terminal, and pin 16 of the power supply monitoring chip U1 is connected to a heat dissipation power supply unit. In this embodiment, the common-mode filter filters common-mode noise, and can suppress common-mode noise signals within a specific frequency range while retaining valid signals. In this embodiment, the common-mode filter is used to protect the power supply monitoring chip U1 so that it can accurately monitor power supply parameters, such as voltage and current, without being affected by common-mode noise interference.

[0036] Example 2

[0037] refer to Figure 2 , this embodiment proposes a specific implementation of a heat dissipation power supply unit for a power supply device of a broadband signal simulator.

[0038] A power supply device for a broadband signal simulator includes a heat dissipation power supply unit, wherein the heat dissipation power supply unit includes a transistor Q1, a transistor Q2 and a voltage suppressor U2. In this embodiment, the transistor Q1 and the transistor Q2 are of model FDMS86101DC, and the voltage suppressor U2 is of model LTC4364HDE-2. The 5-8 pins of the transistor Q1 are connected to the 16-pin of the power monitoring chip U1, one end of a capacitor C26, the 6-pin of the voltage suppressor U2, and one end of a resistor R41. The other end of the resistor R41 is respectively connected to the 8-pin of the voltage suppressor U2 and one end of a resistor R43. The other end of the resistor R43 is connected to the 9-pin of the voltage suppressor U2 and one end of a resistor R45. The other end of the resistor R45 is grounded. The other end of the capacitor C26 is connected to one end of a capacitor C27. The other end of the capacitor C27 is respectively connected to the 5-pin of the voltage suppressor U2, one end of a resistor R38, and the cathode of a voltage zener diode D4. The other end of resistor R38 is connected to pin 4 of transistor Q1, the anode of Zener diode D4 is respectively connected to the anode of Zener diode D5, pins 1-3 of transistor Q1, pins 1-3 of transistor Q2, and pin 4 of voltage suppressor U2, the cathode of Zener diode D5 is respectively connected to pin 3 of voltage suppressor U2 and pin 4 of transistor Q2, pins 5-8 of transistor Q2 are all connected to one end of resistor R37 and pin 2 of voltage suppressor U2, the other end of resistor R37 is respectively connected to pin 1 of voltage suppressor U2, one end of resistor R42, one end of inductor L7, one end of inductor L10, and one end of inductor L9, the other end of resistor R42 is connected to pin 14 of voltage suppressor U2, the other end of inductor L7 is connected to the low end of 12V power supply, the other end of inductor L10 is connected to the RF end of 12V power supply, the other end of inductor L9 is respectively connected to the FPGA end of 12V power supply and the heat dissipation unit plug-in board. In this embodiment, the obtained heat dissipation unit is a fan. Pin 13 of the voltage suppressor U2 is connected to one end of capacitor C30, the other end of capacitor C30 is connected to one end of resistor R47, the other end of resistor R47 is respectively connected to one end of resistor R46 and pin 7 of the voltage suppressor U2, and the other end of resistor R46 is connected to pin 16 of the power monitoring chip U1.

[0039] The inductor L9 is connected to the 12V power FPGA end and the cooling unit plug-in board, that is, the inductor L9 diverts part of the power to the cooling unit for power supply, and is connected to one end of the capacitor C30 through the 13th pin of the voltage suppressor U2, the other end of C30 is connected to one end of the resistor R47, and the other end of R47 is connected to one end of the resistor R46 and the 7th pin of the voltage suppressor U2, so as to provide a stable voltage source for the fan, and protect the fan from voltage fluctuations through the voltage suppressor U2.

[0040] In this embodiment, decoupling and filtering are performed by a combination of a resistor R46 and a capacitor C30 to ensure that the voltage supplied to the fan is smooth and stable.

[0041] Pin 16 of the power monitoring chip U1 is connected to pin 7 of the multiple resistors and the voltage suppressor U2, that is, the power monitoring chip U1 can monitor the voltage and current supplied to the fan to ensure that the fan operates within a safe parameter range.

[0042] It should be noted that the heat dissipation unit in this embodiment includes a fan for a main control chip of model SoC-Zynq7045.

[0043] Example 3

[0044] refer to Figure 3-Figure 8 , this embodiment proposes a specific implementation of a power conversion unit for a power supply device of a broadband signal simulator.

[0045] The power conversion unit includes a signal generation module power conversion circuit and a clock module power conversion circuit, and the signal generation module power conversion circuit includes a power conversion chip U3 and a power conversion chip U4;

[0046] The power conversion chip U3 is of model LTM4662IV, wherein the D3 pin, E2 pin, A2 pin, B3 pin, D2 pin, and B2 pin of the power conversion chip U3 are all connected to one end of capacitor C40, one end of capacitor C39, one end of capacitor C38, and one end of inductor L13, and the other end of inductor L13 is connected to the 12V voltage terminal, the D1 pin and E1 pin of the power conversion chip U3 are connected to one end of inductor L14, and the other end of inductor L14 is respectively connected to the 3.3V voltage output terminal and one end of inductor L16, and the other end of inductor L16 is connected to the 12V voltage terminal. One end is respectively connected to one end of capacitor C45, pin 5, pin 7 and pin 8 of linear regulator U6, pin 1 and pin 2 of linear regulator U6 are connected to one end of resistor R25, one end of capacitor C23, one end of capacitor C48, and one end of inductor L17, the other end of resistor R25 is respectively connected to the other end of capacitor C23 and pin 3 of linear regulator U6, and the other end of inductor L17 is connected to the 1.8V-VDD voltage end of the signal generating module; the model of linear regulator U6 used in this embodiment is TPS7A8101DRBR.

[0047] The power conversion chip U4 is of model LTM4662IV, wherein the D3 pin, E2 pin, A2 pin, B3 pin, D2 pin, and B2 pin of the power conversion chip U3 are all connected to one end of capacitor C287, one end of capacitor C286, one end of capacitor C285, and one end of inductor L31, and the other end of inductor L31 is connected to the 12V voltage terminal;

[0048] The D1 pin and E1 pin of the power conversion chip U3 are connected to one end of the inductor L32, the other end of the inductor L32 is respectively connected to one end of the capacitor C49 and the 14-17 pins of the linear regulator U7, the 4th pin of the linear regulator U7 is connected to one end of the resistor R54, the other end of the resistor R54 is respectively connected to the 1st pin, the 2nd pin, the 19th pin, the 20th pin of the linear regulator U7, one end of the capacitor C52, one end of the resistor R55, one end of the capacitor C54, one end of the inductor L18, the other end of the inductor L18 is connected to the 1.0V-AVDD voltage terminal of the signal generation module;

[0049] The A1 pin and B1 pin of the power conversion chip U3 are connected to one end of the inductor L20, and the other end of the inductor L20 is respectively connected to one end of the capacitor C67 and the 14-17 pins of the linear regulator U8, and the 4th pin of the linear regulator U8 is connected to one end of the resistor R64, and the other end of the resistor R64 is respectively connected to the 1st pin, the 2nd pin, the 19th pin, the 20th pin of the linear regulator U8, one end of the capacitor C70, one end of the resistor R65, one end of the capacitor C72, and one end of the inductor L22, and the other end of the inductor L22 is connected to the 1.0V-DVDD voltage terminal of the signal generation module;

[0050] The linear regulators U7 and U8 used in this embodiment are of the type SGM2050XTRL20G / TR.

[0051] It should be clarified that, in this embodiment, the signal processing module powered by the power conversion unit includes an AD chip circuit using model number AD9174.

[0052] The clock module power conversion circuit includes a power conversion chip U5, the model of the power conversion chip U5 is LTM4662IV, wherein the D3 pin, E2 pin, A2 pin, B3 pin, D2 pin, and B2 pin of the power conversion chip U5 are all connected to one end of a capacitor C55, one end of a capacitor C37, one end of a capacitor C36, and one end of an inductor L1, and the other end of the inductor L11 is connected to a 12V voltage terminal, and the D1 pin and E1 pin of the power conversion chip U5 are connected to one end of a capacitor C57, one end of an inductor L8, one end of an inductor L19, and one end of an inductor L21;

[0053] The other end of the inductor L8 is connected to the 7th and 8th pins of the linear regulator U9 respectively, and the 2nd pin of the linear regulator U9 is connected to one end of the capacitor C31 and the 3.3V phase-locked loop voltage end of the clock module respectively;

[0054] The other end of the inductor L19 is connected to the 7th and 8th pins of the linear regulator U10 respectively, and the 2nd pin of the linear regulator U10 is connected to one end of the capacitor C61 and the 3.3V oscillator voltage end of the clock module respectively;

[0055] The other end of the inductor L21 is connected to the 5th, 9th and 10th pins of the linear regulator U11 respectively, the 1st to 3rd pins of the linear regulator U10 are connected to one end of the capacitor C77 respectively, the other end of the capacitor C77 is connected to one end of the inductor L29, the other end of the inductor L29 is connected to one end of the capacitor C78 and the 3.3V voltage end of the clock module respectively;

[0056] The linear regulators U9 and U10 used in this embodiment are of model ADM7154ACPZ-3.3, and the linear regulator U11 is of model ADP7158ACPZ-3.3-R7.

[0057] It should be noted that, in this embodiment, the clock module powered by the power conversion unit includes a clock chip circuit of model HMC7044.

[0058] In the above embodiment, the power monitoring unit is used to monitor power parameters, such as voltage and current, and suppress the influence of common mode noise through a common mode filter to ensure that the power monitoring chip can accurately obtain power parameters without interference.

[0059] The heat dissipation power supply unit includes transistors and voltage suppressors, mainly to provide stable power to the system unit and protect the system from voltage fluctuations through the voltage suppressor. In addition, decoupling and filtering are performed through a combination of resistors and capacitors to ensure that the voltage supplied to the heat dissipation unit (such as the fan) is smooth and stable.

[0060] The power conversion unit includes a signal generation module power conversion circuit and a clock module power conversion circuit. The signal generation module power conversion circuit is used to provide different voltages for the signal processing module to meet its working requirements; while the clock module power conversion circuit provides the required voltage for the clock module.

[0061] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the description only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A power supply device for a broadband signal simulator, comprising a processing module, a signal generating module, a clock module, and a power supply module, characterized in that: The power module includes a power monitoring unit, a heat dissipation power unit, and a power conversion unit. The power monitoring unit is connected to the heat dissipation power unit, the heat dissipation power unit is connected to the processing module, and the power conversion unit is respectively connected to the signal generation module and the clock module.

2. A power supply device for a broadband signal simulator according to claim 1, characterized in that: The power conversion unit comprises a signal generation module power conversion circuit and a clock module power conversion circuit, wherein the signal generation module power conversion circuit is connected to the signal generation module, and the clock module power conversion circuit is connected to the clock module.

3. A power supply device for a broadband signal simulator according to claim 1, characterized in that: The power monitoring module includes a common mode filter and a power monitoring chip U1 of model INA260AIPW, wherein the input end of the common mode filter is connected to the 12V voltage end, the output end of the common mode filter is connected to the voltage bus measurement end of the power monitoring chip U1 and the IN+ end of the power monitoring chip U1, and the IN- end of the power monitoring chip U1 is connected to the heat dissipation power supply unit.

4. A power supply device for a broadband signal simulator according to claim 3, characterized in that: The heat dissipation power supply unit includes a transistor Q1 with a model number of FDMS86101DC, a transistor Q2, and a voltage suppressor U2 with a model number of LTC4364HDE-2, wherein the drain of the transistor Q1 is respectively connected to the IN-end of the source monitoring chip U1, the overvoltage end and the undervoltage end of the voltage suppressor U2, the gate of the transistor Q1 is connected to the driving end of the voltage suppressor U2, the sources of the transistor Q1 and the transistor Q2 are connected to each other, the gate of the transistor Q2 is connected to the other driving end of the voltage suppressor U2, and the drain of the transistor Q2 is respectively connected to the monitoring end and the processing module of the voltage suppressor U2.

5. A power supply device for a broadband signal simulator according to claim 2, characterized in that: The signal generation module power conversion circuit includes a power conversion chip U3 and a power conversion chip U4 of model LTM4662IV; The voltage input end of the power conversion chip U3 is connected to the 12V voltage end, the voltage output end of the power conversion chip U3 is connected to the voltage input end of the linear regulator U6, and the voltage output end of the linear regulator U6 is connected to the signal generation module; The voltage input end of the power conversion chip U4 is connected to the 12V voltage end, the voltage output end of the power conversion chip U4 is respectively connected to the voltage input end of the linear voltage regulator U7 and the voltage input end of the linear voltage regulator U8, the voltage output end of the linear voltage regulator U7 is connected to the signal generation module, and the voltage output end of the linear voltage regulator U8 is connected to the signal generation module; The model of the linear regulator U6 is TPS7A8101DRBR, and the model of the linear regulator U7 and the linear regulator U8 are SGM2050XTRL20G / TR.

6. A power supply device for a broadband signal simulator according to claim 2, characterized in that: The clock module power conversion circuit includes a power conversion chip U5 of model LTM4662IV; The voltage input end of the power conversion chip U5 is connected to the 12V voltage end, the voltage output end of the power conversion chip U5 is respectively connected to the voltage input end of the linear voltage regulator U9, the voltage input end of the linear voltage regulator U10, and the voltage input end of the linear voltage regulator U11, the voltage output end of the linear voltage regulator U9 is connected to the clock module, the voltage output end of the linear voltage regulator U10 is connected to the clock module, and the voltage output end of the linear voltage regulator U11 is connected to the clock module; The model of the linear regulator U9 is ADM7154ACPZ-3.3, the model of the linear regulator U10 is ADM7154ACPZ-3.3, and the model of the linear regulator U11 is ADP7158ACPZ-3.3-R7.

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