CN117007868A - Vector network analysis device and system - Google Patents
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
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Abstract
The application relates to the technical field of electronic measuring instruments, in particular to a vector network analysis device and a vector network analysis system, wherein the vector network analysis device comprises a signal source module, a signal separation module, a receiver module and a data processing module, and the signal source module is used for providing an excitation signal; the signal separation module is connected with the signal source module and the first port respectively and is used for providing a reference signal and a reflected signal respectively; the receiver module is respectively connected with the signal separation module and the second port and is used for receiving the output signal of the tested device, the reference signal and/or the reflected signal and outputting an indication signal; the data processing module is connected with the receiver module and is used for determining parameter information of the tested device according to the indication signal. The circuit structure of the vector network analysis device is simplified, the parameter information of the tested device is accurately acquired, the cost is reduced, and the volume is reduced.
Description
Technical Field
The application relates to the technical field of electronic measuring instruments, in particular to a vector network analysis device and a vector network analysis system.
Background
The vector network analyzer (VectorNetworkAnalyzer, VNA) is electromagnetic wave energy testing equipment, is widely applied to accurate measurement of characteristic parameters of microwave chips, devices, modules, systems and the like, is an essential measuring instrument in the research and development processes of communication, radar, remote sensing and other systems, and has wide application field and huge market space.
The system architecture of the existing vector network analyzer is shown in fig. 1, taking a dual-port vector network analyzer as an example, two reference receivers R1 and R2 are used to measure excitation signals, and an a receiver and a B receiver measure reflection and transmission signals, so as to measure a device under test (Device Under Test, DUT). Specifically, as shown in fig. 2, the system architecture of the receiver portion of the conventional vector network analyzer uses a down-conversion mode to down-convert the high-frequency signal into a high-performance low-frequency signal capable of being sampled and processed step by step, and then the high-speed Analog-to-Digital Converter (ADC) samples and processes the signal, and then the measurement result is obtained through complex data operation.
Therefore, the existing internal receiver of the vector network analyzer has the problems of complex circuit structure and high design difficulty, so that the vector network analyzer has high cost and large volume, and is not beneficial to the application popularization and the portable design of the vector network analyzer.
Disclosure of Invention
The application mainly aims to provide a vector network analysis device and a vector network analysis system, and aims to solve the problems of complex circuit structure of an internal receiver of a vector network analyzer, large volume and high cost of the vector network analyzer in the prior art, simplify the radio frequency circuit structure of the receiver, greatly reduce the hardware cost of the vector network analyzer, reduce the volume of the vector network analyzer and provide a new solution for the economic portable vector network analyzer.
A first aspect of an embodiment of the present application provides a vector network analysis apparatus having a first port and a second port for connection with a device under test, respectively, wherein the vector network analysis apparatus includes:
the system comprises a signal source module, a signal separation module, a receiver module and a data processing module; the signal source module is used for providing an excitation signal; the signal separation module is connected with the signal source module and the first port respectively and is used for providing a reference signal and a reflected signal respectively; the receiver module is respectively connected with the signal separation module and the second port, and is used for receiving the output signal of the tested device, the reference signal and/or the reflected signal and outputting an indication signal; the data processing module is connected with the receiver module and is used for determining parameter information of the tested device according to the indication signal.
In one embodiment, the receiver module includes at least one vector power detection chip; the vector power detection chip is used for accessing the reference signal, the reflection signal and the output signal and outputting the indication signal; the indication signal comprises an amplitude difference value and a phase difference value of the reference signal and the output signal, or an amplitude difference value and a phase difference value of the reflection signal and the output signal; the indication signal is a level signal.
In one embodiment, the signal separation module comprises a power distribution unit, a first switching unit, a second switching unit, a first directional coupling unit and a second directional coupling unit; the input end of the power distribution unit is connected with the signal source module, the first output end of the power distribution unit is respectively connected with the first signal end and the second signal end of the receiver module through the first switch unit, and the second output end of the power distribution unit is respectively connected with the first end of the first directional coupling unit and the first end of the second directional coupling unit through the second switch unit; the second end of the first directional coupling unit is connected with the first port, and the second end of the second directional coupling unit is connected with the second port; the first switch unit is used for gating a loop between the first output end of the power distribution unit and the first signal end of the receiver module or gating a loop between the first output end of the power distribution unit and the second signal end of the receiver module; the second switching unit is used for gating a loop between the second output end of the power distribution unit and the first end of the first directional coupling unit or gating a loop between the second output end of the power distribution unit and the first end of the second directional coupling unit.
In one embodiment, the receiver module includes a first receiver unit, a second receiver unit, a third switching unit, and a fourth switching unit; the first receiver unit is respectively connected with the third end of the first directional coupling unit and the third end of the second directional coupling unit through the third switch unit, and the second receiver unit is respectively connected with the third end of the first directional coupling unit and the third end of the second directional coupling unit through the fourth switch unit; the third switch unit is used for gating a loop between the third end of the first directional coupling unit and the first receiver unit or gating a loop between the third end of the second directional coupling unit and the first receiver unit; the fourth switching unit is used for gating a loop between the third end of the second directional coupling unit and the second receiver unit or gating a loop between the third end of the first directional coupling unit and the second receiver unit.
In one embodiment, the first receiver unit includes a first vector power detection chip, and the second receiver unit includes a second vector power detection chip; a first signal port of the first vector power detection chip is connected with a first output end of the power distribution unit through the first switch unit, and a second signal port of the first vector power detection chip is connected with the third switch unit; a third signal port of the first vector power detection chip is connected with the data processing module; a first signal port of the second vector power detection chip is connected with a first output end of the power distribution unit through the first switch unit, and a second signal port of the second vector power detection chip is connected with the fourth switch unit; and a third signal port of the second vector power detection chip is connected with the data processing module.
In one embodiment, the system further comprises an internet of things module; the internet of things module is connected with the data processing module through a communication interface and is used for sending the parameter information to a cloud server.
In one embodiment, the device further comprises a USB interface module; the USB interface module is connected with the data processing module and is used for sending the parameter information to external equipment.
In one embodiment, the system further comprises a signal attenuation module; the signal attenuation module is arranged between the signal source module and the signal separation module and is used for adjusting the power of the excitation signal.
In one embodiment, the parameter information of the device under test at least includes: and S11, S21, S12 and S22 network parameters of the tested device.
A second aspect of the present application provides a vector network analysis system, including a cloud server and a vector network analysis device, where the vector network analysis device is the vector network analysis device provided in any one of the foregoing embodiments; the cloud server is used for communicating with the vector network analysis device.
Compared with the prior art, the embodiment of the application has the beneficial effects that: the vector network analysis device provides an excitation signal through the signal source module, the signal separation module provides a reference signal and a reflection signal respectively, the receiver module receives the output signal of the tested device, the reference signal and/or the reflection signal and outputs an indication signal, and the data processing module determines the parameter information of the tested device according to the indication signal, so that the circuit structure of the vector network analysis device is greatly simplified, the parameter information of the tested device is accurately obtained, the cost is reduced, the volume is reduced, and the application popularization and the portable design of the vector network analysis device are facilitated.
Drawings
FIG. 1 is a schematic diagram of a conventional vector network analyzer;
FIG. 2 is a schematic diagram of a receiver circuit block of a conventional vector network analyzer;
fig. 3 is a schematic diagram of a vector network analysis device according to an embodiment of the present application;
fig. 4 is a schematic diagram of a vector network analysis device according to another embodiment of the present application;
fig. 5 is a schematic diagram of a receiver circuit module of a vector network analysis device according to another embodiment of the present application;
fig. 6 is a schematic diagram of a vector network analysis device according to another embodiment of the present application;
fig. 7 is a schematic diagram of a vector network analysis device according to another embodiment of the present application;
fig. 8 is a schematic diagram of a vector network analysis system according to an embodiment of the present application.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
As shown in fig. 3, a first aspect of the embodiment of the present application provides a vector network analysis apparatus 10, where the vector network analysis apparatus 10 has a first PORT1 and a second PORT2 for connection with a device under test DUT, and the vector network analysis apparatus 10 includes a signal source module 100, a signal separation module 200, a receiver module 300, and a data processing module 400. The signal source module 100 is configured to provide an excitation signal, which may be a radio frequency signal. The signal source module 100 may employ an LMX2592 chip capable of generating a radio frequency signal of 20MH to 9.8GHz as the excitation signal.
The signal separation module 200 is connected to the signal source module 100, and the signal separation module 200 is further connected to the first PORT1, where the signal separation module 200 is configured to provide a reference signal and/or a reflected signal, respectively. The receiver module 300 is connected to the signal separation module 200, the receiver module 300 is further connected to the second PORT2, and the receiver module 300 is configured to receive the output signal of the DUT, and the reference signal and the reflected signal provided by the signal separation module 200, and output an indication signal based on the reference signal, the reflected signal and the output signal. The data processing module 400 is connected to the receiver module 300 for determining parameter information of the DUT under test based on the indication signal.
It will be appreciated that when the excitation signal acts on the DUT through the signal separation module 200, a part of the signal at the first PORT1 is reflected, and the other part of the signal is transmitted to the second PORT2 of the vector network analysis device 10 after passing through the DUT, and the other part of the signal is used as the output signal, and the signal separation module 200 separates the excitation signal into the reference signal and the reflected signal. In addition, the receiver module 300 may receive a combination of an output signal and a reference signal of the DUT, or may receive a combination of an output signal and a reflected signal of the DUT, or receive an output signal, a reflected signal and a reference signal of the DUT, and perform selection signal combination according to actual needs to obtain parameter information of the DUT.
According to the vector network analysis device 10 provided by the first aspect of the embodiment of the application, the signal source module 100 provides the excitation signal, the signal separation module 200 separates the reference signal and the reflection signal, the receiver module 300 receives the output signal of the DUT and the reference signal and/or the reflection signal and outputs the indication signal, and the data processing module 400 determines the parameter information of the DUT according to the indication signal, so that the circuit structure of the vector network analysis device 10 is greatly simplified, the parameter information of the DUT is accurately acquired, the cost is reduced, the volume is reduced, the vector network analysis device 10 is more portable, and the application and popularization are facilitated.
In one embodiment, referring to fig. 4, the receiver module 300 includes at least one vector power detection chip 301, and different ports of the vector power detection chip 301 are used for accessing the output signal, the reference signal and the reflected signal, respectively, and outputting the indication signal. The indication signal includes an amplitude difference and a phase difference of the reference signal and the output signal, or an amplitude difference and a phase difference of the reflected signal and the output signal. It will be appreciated that the ports receiving the reference signal and the reflected signal may be the same port of the vector power detection chip 301 or may be different ports. Wherein the indication signal is a level signal.
In some embodiments, the vector power detection chip 301 may be an integrated circuit chip for amplitude and phase measurement, the chip model of which is AD8302, the operating frequency of which is 0 to 2.7GHz, the amplitude difference of the maximum measurement range is + -30 dB, and the phase difference is + -90 deg..
In other embodiments, the vector power detection chip 301 may further employ the ADL5920 to increase the operating frequency of the receiver module 300, and the operating frequency band of the ADL5920 may reach 9KHz to 7GHz.
Referring further to fig. 4 and 5, by adopting the highly integrated vector power detection chip 301, the circuit complexity of the receiver module 300 is greatly simplified, and the vector power detection chip 301 outputs as a level signal, so that sampling can be completed by using the low-speed ADC, and the amplitude difference value and the phase difference value of the reference signal and the output signal or the amplitude difference value and the phase difference value of the reflected signal and the output signal can be directly given according to the voltage value of the level signal, so that the parameter information of the DUT can be obtained without complex power operation, the circuit cost is reduced, and the circuit integration level is improved.
In one embodiment, referring to fig. 6, the signal separation module 200 includes a first directional coupling unit 210, a second directional coupling unit 220, a first switching unit 230, a second switching unit 240, and a power distribution unit 250.
The input terminal of the power distribution unit 250 is connected to the signal source module 100, the first output terminal of the power distribution unit 250 is connected to the first signal terminal and the second signal terminal of the receiver module 300 through the first switch unit 230, respectively, and the second output terminal of the power distribution unit 250 is connected to the first terminal of the first directional coupling unit 210 and the first PORT1 of the second directional coupling unit 220 through the second switch unit 240, respectively. A second end of the first directional coupling unit 210 is connected to the first PORT1, and a second end of the second directional coupling unit 220 is connected to the second PORT 2.
The first switching unit 230 is used to gate a loop between the first output terminal of the power distribution unit 250 and the first signal terminal of the receiver module 300, or a loop between the first output terminal of the power distribution unit 250 and the second signal terminal of the receiver module 300. The second switching unit 240 serves to gate a loop between the second output terminal of the power distribution unit 250 and the first terminal of the second directional coupling unit 220.
Further, the first switch unit 230 and the second switch unit 240 are single pole double throw switches, and function to switch different loops so as to selectively output signals output by the power distribution unit 250 to different ports of the receiver module 300, and to first ends of different directional coupling units. In some embodiments, the first switching unit 230 and the second switching unit 240 are electronic switches. In some embodiments, the first and second switching units 230 and 240 may also use mechanical switches.
Referring to fig. 6, in some embodiments, the first directional coupling unit 210 and the second directional coupling unit 220 are implemented by using directional couplers, it is understood that the first directional coupling unit 210 includes a first directional coupler DC1, and the second directional coupling unit 220 includes a second directional coupler DC2, it is understood that, taking the first directional coupler DC1 as an example, an input end of the first directional coupler DC1 is a first end of the first directional coupling unit 210, an output end of the first directional coupler DC1 is a second end of the first directional coupling unit 210, and a coupling end of the first directional coupler DC1 is a third end of the first directional coupling unit 210.
In one embodiment, referring to fig. 6, the receiver module 300 includes a first receiver unit 310, a second receiver unit 320, a third switch unit 330, and a fourth switch unit 340. The first receiver unit 310 is connected to the third terminal of the first directional coupling unit 210 and the third terminal of the second directional coupling unit 220 through the third switching unit 330, and the second receiver unit 320 is connected to the third terminal of the first directional coupling unit 210 and the third terminal of the second directional coupling unit 220 through the fourth switching unit 340, respectively.
In particular, the third switching unit 330 is used to gate a loop between the third terminal of the first directional coupling unit 210 and the first receiver unit 310, or gate a loop between the third terminal of the second directional coupling unit 220 and the first receiver unit 310. The fourth switching unit 340 is used to gate a loop between the third terminal of the second directional coupling unit 220 and the second receiver unit 320, or gate a loop between the third terminal of the first directional coupling unit 210 and the second receiver unit 320.
Further, the third switching unit 330 and the fourth switching unit 340 are single pole double throw switches, and function to switch different loops, the third switching unit 330 selectively outputs the signal output by the first directional coupling unit 210 or the second directional coupling unit 220 to the first receiver unit 310, and the fourth switching unit 340 selectively outputs the signal output by the first directional coupling unit 210 or the second directional coupling unit 220 to the second receiver unit 320. In some embodiments, the third switching unit 330 and the fourth switching unit 340 are electronic switches. In some embodiments, the third switching unit 330 and the fourth switching unit 340 may also use mechanical switches.
In one embodiment, referring to fig. 6, the first receiver unit 310 includes a first vector power detection chip 311, and the second receiver unit 320 includes a second vector power detection chip 321.
The first signal port of the first vector power detection chip 311 is connected to the first output terminal of the power distribution unit 250 through the first switching unit 230, the second signal port of the first vector power detection chip 311 is connected to the third switching unit 330, and the third signal port of the first vector power detection chip 311 is connected to the data processing module 400.
The first signal port of the second vector power detection chip 321 is connected to the first output terminal of the power distribution unit 250 through the first switching unit 230, the second signal port of the second vector power detection chip 321 is connected to the fourth switching unit 340, and the third signal port of the second vector power detection chip 321 is connected to the data processing module 400.
In some embodiments, the first vector power detection chip 311 and the second vector power detection chip 321 may be integrated circuit chips for amplitude and phase measurement, the chip model is AD8302, the operating frequency is 0 to 2.7GHz, the amplitude difference of the maximum measurement range is +/-30 dB, and the phase difference is +/-90 degrees.
In other embodiments, the first vector power detection chip 311 and the second vector power detection chip 321 may further employ the ADL5920 to increase the operating frequency of the receiver module 300, and the operating frequency band employing the ADL5920 may reach 9KHz to 7GHz.
In one embodiment, referring to fig. 7, the vector network analysis device 10 further includes an internet of things module 500, where the internet of things module 500 is connected to the data processing module 400 through a communication interface, and is configured to send parameter information of the DUT measured by the vector network analysis device 10 to the cloud server. Specifically, the internet of things module 500 can adopt a DTU module, and the DTU module can be used as a wireless transmission module to support TTL, RS232 and RS485 interfaces, and can be directly connected with serial port equipment, so that the stable and reliable operation of the data transparent transmission function is realized. The vector network analysis device 10 can be transmitted to the cloud server by adopting the internet of things module 500, so that data communication is realized, the volume of the vector network analysis device 10 is reduced, and the stability and expansibility of the vector network analysis device 10 are improved. Specifically, the model number of the Internet of things module 500 is WH-LTE-7S4.
In one embodiment, referring to fig. 7, the vector network analysis device 10 further includes a USB interface module 600. The USB interface module 600 is connected to the data processing module 400, and is used for sending the parameter information of the DUT measured by the vector network analysis apparatus 10 to an external device, where the external device is a computer device, a data storage device, a display device, etc.
In some embodiments, the vector network analysis apparatus 10 may upload the measured parameter information of the DUT to the cloud server for post-processing and display through the internet of things module 500 or the USB interface module 600. The data processing and data display of the vector network analysis device 10 do not need to be processed and operated by the vector network analysis device 10, for example, the yield detection application scene in the high-speed radio frequency harness production process is not high, and the real-time requirement on the data processing of the vector network analysis device 10 is not high, so that a large amount of measured data is uploaded to a cloud server for processing through the internet of things module 500 or the USB interface module 600, and then the data processing and display unit is stripped according to the data processing result returned to the local by the cloud server, thereby reducing the production cost and the volume of the vector network analysis device 10.
In one embodiment, referring to fig. 6, the vector network analysis device 10 further includes a signal attenuation module 700, where the signal attenuation module 700 is disposed between the signal source module 100 and the signal separation module 200, and is used for adjusting the power of the excitation signal, and the signal attenuation module 700 is, for example, an adjustable digital step attenuator, and is of a model HMC629A.
In one embodiment, referring to fig. 3, the parameter information of the DUT includes at least: the network parameters S11, S21, S12 and S22 of the DUT, that is, the S parameter, S parameter refers to the characteristics of the reflected signal and the transmitted signal of the DUT, and the S parameter includes the reflected parameter, such as S11, S22, etc., and the transmitted parameter S12, S21, etc.
According to the vector network analysis device 10 provided by the first aspect of the embodiment of the application, the signal source module 100 provides the excitation signal, the signal separation module 200 separates the reference signal and the reflection signal, the receiver module 300 receives the output signal of the DUT and the reference signal and/or the reflection signal and outputs the indication signal, and the data processing module 400 determines the parameter information of the DUT according to the indication signal, so that the circuit structure of the vector network analysis device 10 is greatly simplified, the parameter information of the DUT is accurately acquired, the cost is reduced, the volume is reduced, the vector network analysis device 10 is more portable, and the application and popularization are facilitated.
A second aspect of the embodiment of the present application provides a vector network analysis system, which includes a cloud server and the vector network analysis device 10 provided in the first aspect of the embodiment of the present application, where the cloud server is used to communicate with the vector network analysis device 10, and the vector network analysis device 10 may upload data to the cloud server for post-processing, etc.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (10)
1. A vector network analysis apparatus having a first port and a second port for connection with a device under test, respectively, the vector network analysis apparatus comprising: the system comprises a signal source module, a signal separation module, a receiver module and a data processing module;
the signal source module is used for providing an excitation signal;
the signal separation module is connected with the signal source module and the first port respectively and is used for providing a reference signal and a reflected signal respectively;
the receiver module is respectively connected with the signal separation module and the second port, and is used for receiving the output signal of the tested device, the reference signal and/or the reflected signal and outputting an indication signal;
the data processing module is connected with the receiver module and is used for determining parameter information of the tested device according to the indication signal.
2. The vector network analysis device of claim 1, wherein the receiver module comprises at least one vector power detection chip;
the vector power detection chip is used for accessing the reference signal, the reflection signal and the output signal and outputting the indication signal;
the indication signal comprises an amplitude difference value and a phase difference value of the reference signal and the output signal, or an amplitude difference value and a phase difference value of the reflection signal and the output signal;
the indication signal is a level signal.
3. The vector network analysis device of claim 2, wherein the signal separation module comprises a power distribution unit, a first switching unit, a second switching unit, a first directional coupling unit, and a second directional coupling unit;
the input end of the power distribution unit is connected with the signal source module, the first output end of the power distribution unit is respectively connected with the first signal end and the second signal end of the receiver module through the first switch unit, and the second output end of the power distribution unit is respectively connected with the first end of the first directional coupling unit and the first end of the second directional coupling unit through the second switch unit;
the second end of the first directional coupling unit is connected with the first port, and the second end of the second directional coupling unit is connected with the second port;
the first switch unit is used for gating a loop between the first output end of the power distribution unit and the first signal end of the receiver module or gating a loop between the first output end of the power distribution unit and the second signal end of the receiver module;
the second switching unit is used for gating a loop between the second output end of the power distribution unit and the first end of the first directional coupling unit or gating a loop between the second output end of the power distribution unit and the first end of the second directional coupling unit.
4. The vector network analysis apparatus of claim 3, wherein the receiver module comprises a first receiver unit, a second receiver unit, a third switching unit, and a fourth switching unit;
the first receiver unit is respectively connected with the third end of the first directional coupling unit and the third end of the second directional coupling unit through the third switch unit, and the second receiver unit is respectively connected with the third end of the first directional coupling unit and the third end of the second directional coupling unit through the fourth switch unit;
the third switch unit is used for gating a loop between the third end of the first directional coupling unit and the first receiver unit or gating a loop between the third end of the second directional coupling unit and the first receiver unit;
the fourth switching unit is used for gating a loop between the third end of the second directional coupling unit and the second receiver unit or gating a loop between the third end of the first directional coupling unit and the second receiver unit.
5. The vector network analysis device of claim 4, wherein the first receiver unit comprises a first vector power detection chip and the second receiver unit comprises a second vector power detection chip;
a first signal port of the first vector power detection chip is connected with a first output end of the power distribution unit through the first switch unit, and a second signal port of the first vector power detection chip is connected with the third switch unit; a third signal port of the first vector power detection chip is connected with the data processing module;
a first signal port of the second vector power detection chip is connected with a first output end of the power distribution unit through the first switch unit, and a second signal port of the second vector power detection chip is connected with the fourth switch unit; and a third signal port of the second vector power detection chip is connected with the data processing module.
6. The vector network analysis device of any one of claims 1 to 5, further comprising an internet of things module;
the internet of things module is connected with the data processing module through a communication interface and is used for sending the parameter information to a cloud server.
7. The vector network analysis device of any one of claims 1 to 5, further comprising a USB interface module;
the USB interface module is connected with the data processing module and is used for sending the parameter information to external equipment.
8. The vector network analysis device of any one of claims 1 to 5, further comprising a signal attenuation module;
the signal attenuation module is arranged between the signal source module and the signal separation module and is used for adjusting the power of the excitation signal.
9. The vector network analysis apparatus according to any one of claims 1 to 5, wherein the parameter information of the device under test includes at least:
and S11, S21, S12 and S22 network parameters of the tested device.
10. A vector network analysis system comprising a cloud server and a vector network analysis device, the vector network analysis device being the vector network analysis device according to any one of claims 1 to 9;
the cloud server is used for communicating with the vector network analysis device.
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| CN202310987296.XA CN117007868A (en) | 2023-08-08 | 2023-08-08 | Vector network analysis device and system |
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| CN202310987296.XA Pending CN117007868A (en) | 2023-08-08 | 2023-08-08 | Vector network analysis device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118033386A (en) * | 2024-04-15 | 2024-05-14 | 上海知白智能科技有限公司 | Chip testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118033386A (en) * | 2024-04-15 | 2024-05-14 | 上海知白智能科技有限公司 | Chip testing device |
| CN118033386B (en) * | 2024-04-15 | 2024-06-07 | 上海知白智能科技有限公司 | Chip testing device |
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