CN215005741U - Multi-port high-power testing device - Google Patents
Multi-port high-power testing device Download PDFInfo
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- CN215005741U CN215005741U CN202120848487.4U CN202120848487U CN215005741U CN 215005741 U CN215005741 U CN 215005741U CN 202120848487 U CN202120848487 U CN 202120848487U CN 215005741 U CN215005741 U CN 215005741U
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Abstract
The multi-port high-power testing device comprises a control unit, a signal source, a first matrix switch unit, a second power testing unit and a load; the control unit is electrically connected with the signal source, the first matrix switch unit, the second matrix switch unit and the second power test unit respectively; the first matrix switch unit comprises a first input port and at least two first output ports; the first input port is electrically connected with a signal source, and the first output port is electrically connected with the input port of the tested equipment; the second matrix switch unit comprises at least two second input ports and one second output port, and the second input ports are electrically connected with the output ports of the tested equipment; a second power input port of the second power test unit is electrically connected with the second output port; the second power output port of the second power test unit is electrically connected to the load. The power testing device and the matrix switch are successfully integrated in a testing system, so that the testing efficiency can be greatly improved.
Description
Technical Field
The utility model relates to a power device especially relates to a high-power device testing arrangement of multiport like the testing arrangement of wave filter duplexer.
Background
Power devices, such as filter duplexers, typically require power testing of the device under test during production testing. In-process testing, which typically involves testing of large batches of devices; and power testing typically requires testing over a wide range of frequencies.
In the prior art, the power meters for testing can only be applied to power testing in certain frequency intervals; a variety of power meters are involved and are generally expensive.
The power meter needs to establish a complete test signal path to access the test system and establish electrical connection with the device under test. Because a signal source, a plurality of tested devices and even a plurality of power meters are involved, the connection of a test system is relatively complex, and if manual access operation is carried out, the efficiency is low and errors are easy to occur; matrix switches are often introduced to improve test efficiency. However, the power meter still needs manual access and cannot be integrated in the matrix switch, so that the testing efficiency is still limited. There is therefore a need to address how to integrate matrix switches and wide frequency range power meters into one test system.
The noun explains: RMS in the RMS detection circuit is an abbreviation of Root Mean Square in English, and Chinese meaning is Root Mean Square; LOG in the LOG detection circuit is an abbreviation of "logarithm" in English, and the meaning of Chinese is logarithmic.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve prior art and carry out big technical problem that the high-power efficiency of testing of wide frequency range is low in batches and provide a high-power testing arrangement of multiport.
The technical scheme for solving the technical problems is that the multi-port high-power testing device comprises a control unit, a signal source, a first matrix switch unit, a second power testing unit and a load; the control unit is electrically connected with the signal source, the first matrix switch unit, the second matrix switch unit and the second power test unit respectively; the first matrix switch unit comprises a first input port and at least two first output ports; the first input port is electrically connected with a signal source, and the first output port is electrically connected with the input port of the tested equipment; the second matrix switch unit comprises at least two second input ports and one second output port, and the second input ports are electrically connected with the output ports of the tested equipment; a second power input port of the second power test unit is electrically connected with the second output port; the second power output port of the second power test unit is electrically connected to the load.
The control unit controls the signal source to output the parameters of the test signal and controls the test signal to be output or closed; the signal source outputs a test signal to the first matrix switch unit; the control unit controls the first matrix switch unit to switch the input test signal to the selected first output port; the control unit controls the second matrix switch unit to switch the appointed second input port to the second output port; the control unit controls the signal source to send out a test signal, controls the first matrix switch unit to switch the test signal to the selected input port of the tested device, and inputs the test signal to the second matrix switch unit after passing through the tested device; the control unit controls the second matrix switch unit to output the selected second input port signal to the second power test unit, and the second power test unit can test the power parameter of the input signal and transmit the power parameter test result to the control unit.
The second power test unit comprises a directional coupler and a power measurement unit; two ports of the directional coupler are respectively and electrically connected with two ports of the power measuring unit; one port of the directional coupler is electrically connected with the second output port and one port of the power measuring unit at the same time; the other port of the directional coupler is simultaneously electrically connected with the other port of the power measuring unit and the load. The directional coupler couples out part of the input test signal, and power parameter information of the input test signal is obtained through measurement of the power measurement unit.
The directional coupler comprises a forward coupling circuit and/or a backward coupling circuit; the coupling circuit is electrically connected to the RMS detection circuit and/or the LOG detection circuit. The RMS detection circuit or the LOG detection circuit detects the output power value.
The signal source comprises a signal source and a power amplifier, the output end of the signal source is electrically connected with the input end of the power amplifier, and the signal output end of the power amplifier is electrically connected with the first input port of the first matrix switch unit. The signal source can be controlled by the control unit to output test signals with different frequencies and waveform parameters, and the power amplifier can be controlled by the control unit to amplify input signals with different multiplying powers.
A first power test unit is also arranged between the signal source and the first matrix switch unit, and a first power input port of the first power test unit is electrically connected with the output end of the signal source; the first power output port of the first power test unit is electrically connected with the first input port of the first matrix switch unit.
In the multi-port high-power testing device, the tested equipment comprises a plurality of high-power duplexers or high-power multi-channel duplexers. The device under test includes a plurality of high power filters or high power multi-channel filters.
The working frequency range of the signal source is 0GHz to 8GHz, and the frequency stepping is 0.1 MHz.
The working frequency range of the power amplifier is 1GHZ to 6GHZ, and the output power is 80W to 150W.
The power testing device has the advantages that the second power testing unit is arranged between the second matrix switch unit and the load, and the power testing device and the matrix switch are successfully integrated in a testing system; the testing efficiency can be greatly improved; and when the integrated power testing device can test a wide power range under a wide frequency, the testing efficiency can be further improved.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of a multi-port high power test apparatus of the present invention;
FIG. 2 is a schematic block diagram of a second embodiment of the multi-port high power test apparatus of the present invention;
FIG. 3 is a schematic block diagram of a third embodiment of the multi-port high-power testing apparatus of the present invention;
FIG. 4 is a block diagram illustrating a fourth embodiment of the multi-port high power test apparatus of the present invention;
FIG. 5 is a schematic block diagram of one of the embodiments of the second power test unit 6000 and the first power test unit 7000;
fig. 6 is a schematic block diagram of a second embodiment of the second power test unit 6000 and the first power test unit 7000.
Detailed Description
The following description of the preferred embodiments of the present invention is a preferred embodiment of the present invention, and is not intended to limit the present invention. The description of the preferred embodiments of the present invention is intended only as an illustration of the general principles of the invention. The terms "first" and "second" as used herein are used in the present application to denote separate numbers in parallel, and not to denote a sequential relationship in time and space.
In the embodiment of the multi-port high power testing apparatus shown in fig. 1, the multi-port high power testing apparatus includes a control unit 8000, a signal source 1000, a first matrix switch unit 2000, a second matrix switch unit 5000, a second power testing unit 6000 and a load; the control unit 8000 is electrically connected to the signal source 1000, the first matrix switch unit 2000, the second matrix switch unit 5000, and the second power test unit 6000, respectively; the control unit 8000 controls parameters of the signal source 1000 to output the test signal, and controls the test signal to be output or turned off.
In the embodiment of the multi-port high power test apparatus shown in fig. 1, the first matrix switch unit 2000 includes a first input port 2010 and at least two first output ports 2020; the first input port 2010 is electrically connected to the signal source 1000, and the signal source 1000 outputs a test signal to the first matrix switch unit 2000; the control unit 8000 controls the first matrix switch unit 2000 to switch the input test signal to the selected first output port 2020; the first output port 2020 is electrically connected to an input port of the device under test 3000.
In the embodiment of the multi-port high-power testing apparatus shown in fig. 1, the second matrix switch unit 5000 includes at least two second input ports 5010 and one second output port 5020, and the second input ports 5010 are electrically connected to the output ports of the device under test 3000; the control unit 8000 controls the second matrix switch unit 5000 to switch the designated second input port 5010 to the second output port 5020.
In the embodiment of the multi-port high power test apparatus shown in fig. 1, the second power input port 6010 of the second power test unit 6000 is electrically connected to the second output port 5020; the second power output port 6020 of the second power test unit 6000 is electrically connected to the load.
In the embodiment of the multi-port high-power testing apparatus shown in fig. 1, the control unit 8000 controls the signal source 1000 to send out a test signal, controls the first matrix switch unit 2000 to switch the test signal to the input port of the selected device under test 3000, and inputs the test signal to the second matrix switch unit 5000 after passing through the device under test 3000; the control unit 8000 controls the second matrix switch unit 5000 to output the selected second input port 5010 signal to the second power test unit 6000, and the second power test unit 6000 can test the power parameter of the input signal and transmit the power parameter test result to the control unit.
A second power test unit 6000 is arranged between the second matrix switch unit 5000 and the load, successfully integrating the power test device and the matrix switch in one test system. The testing efficiency can be greatly improved, and when the integrated power testing device can test a wide power range under wide frequency, the testing efficiency can be greatly improved.
In the embodiment of the multi-port high power test apparatus shown in fig. 1 to 4, the second power test unit 6000 includes a directional coupler and a power measurement unit, the directional coupler couples out a part of the input test signal, and the power measurement unit measures the part of the input test signal to obtain power parameter information of the input test signal. The arrangement of the directional coupler expands the power range which can be tested by the power measuring unit.
In the embodiments of the second power test unit 6000 and the first power test unit 7000 shown in fig. 5 to 6, the directional coupler includes a forward coupling circuit and/or a backward coupling circuit; the coupling circuit is electrically connected with the RMS detection circuit and/or the LOG detection circuit, and the RMS detection circuit or the LOG detection circuit detects the output power value.
The arrangement of the forward coupler and the backward coupler enables the power measuring unit to be used for testing both the input power and the output power.
In the embodiment of the multi-port high-power testing apparatus shown in fig. 2 and 4, the signal source 1000 includes a signal source 1100 and a power amplifier 1200, an output terminal of the signal source 1100 is electrically connected to an input terminal of the power amplifier, a signal output terminal of the power amplifier is electrically connected to a first input port 2010 of the first matrix switch unit 2000, the signal source can be controlled by the control unit 8000 to output testing signals with different frequencies and waveform parameters, and the power amplifier can be controlled by the control unit 8000 to amplify input signals with different magnifications. The signal source and the power amplifier are arranged in the system, so that the testing device can be controlled to adjust the input signal source, and the testing in a wide frequency range is convenient.
A first power test unit 7000 is further included between the signal source 1000 and the first matrix switch unit 2000, and a first power input port 7010 of the first power test unit 7000 is electrically connected to the output end of the signal source 1000; the first power output port 7020 of the first power test unit 7000 is electrically connected to the first input port 2010 of the first matrix switch unit 2000. The first power test unit 7000 can test the power of the input signal source, providing more complete test information.
The device under test 3000 includes a plurality of high power duplexers, a high power multi-channel duplexer. The device under test 3000 includes a plurality of high power filters, a high power multi-channel filter. The multi-port high-power testing device can test a high-power duplexer or a high-power multi-channel duplexer simultaneously, and can test in batches after a testing system is established once, so that the testing efficiency is high.
The operating frequency of the signal source 1100 is 0GHZ to 8GHZ, and the frequency step is 0.1 MHz. The wide range of signal sources also avoids the test workload brought by frequently switching signal sources.
The working frequency of the power amplifier 1200 is 1 to 6GHZ, and the output power is 80 to 150W. The working frequency and the output power of the power amplifier are matched with the signal source, so that the power output by the signal source can be conveniently detected, subsequent power test can be better carried out, and the power test result of a subsequent power detection unit can be conveniently verified.
In the application, the multi-port high-power testing device comprises a control unit, a signal source, a first matrix switch unit, a second power testing unit and a load; the control unit is electrically connected with the signal source, the first matrix switch unit, the second matrix switch unit and the second power test unit respectively; the first matrix switch unit comprises a first input port and at least two first output ports; the first input port is electrically connected with a signal source, and the first output port is electrically connected with the input port of the tested equipment; the second matrix switch unit comprises at least two second input ports and one second output port, and the second input ports are electrically connected with the output ports of the tested equipment; a second power input port of the second power test unit is electrically connected with the second output port; the second power output port of the second power test unit is electrically connected to the load. The power testing device and the matrix switch are successfully integrated in a testing system, so that the testing efficiency can be greatly improved. The control unit controls the signal source to output the parameters of the test signal and controls the test signal to be output or closed; the control unit controls the signal source to send out a test signal, controls the first matrix switch unit to switch the test signal to the selected input port of the tested device, and inputs the test signal to the second matrix switch unit after passing through the tested device; the control unit controls the second matrix switch unit to output the selected second input port signal to the second power test unit, and the second power test unit can test the power parameter of the input signal and transmit the power parameter test result to the control unit.
While the invention has been illustrated and described in terms of a preferred embodiment and several alternatives, the invention is not limited by the specific description provided in this specification. Other additional alternative or equivalent components may also be used in the practice of the invention.
Claims (7)
1. A multi-port high-power testing device is characterized in that,
the method comprises the following steps: the device comprises a control unit (8000), a signal source (1000), a first matrix switch unit (2000), a second matrix switch unit (5000), a second power test unit (6000) and a load;
the control unit (8000) is electrically connected with the signal source (1000), the first matrix switch unit (2000), the second matrix switch unit (5000) and the second power test unit (6000) respectively;
the first matrix switch unit (2000) comprises a first input port (2010) and at least two first output ports (2020); the first input port (2010) is electrically connected with a signal source (1000), and the first output port (2020) is electrically connected with an input port of a tested device (3000);
the second matrix switch unit (5000) comprises at least two second input ports (5010) and one second output port (5020), and the second input ports (5010) are electrically connected with the output ports of the tested equipment (3000);
a second power input port (6010) of the second power test unit (6000) is electrically connected with the second output port (5020); a second power output port (6020) of the second power test unit (6000) is electrically connected to the load.
2. The multi-port high power test device of claim 1, wherein:
the second power test unit (6000) comprises a directional coupler and a power measurement unit;
two ports of the directional coupler are respectively and electrically connected with two ports of the power measuring unit;
one port of the directional coupler is electrically connected with the second output port (5020) and one port of the power measuring unit at the same time; the other port of the directional coupler is simultaneously electrically connected with the other port of the power measuring unit and the load.
3. The multi-port high power test device of claim 2, wherein:
the directional coupler comprises a forward coupling circuit and/or a backward coupling circuit; the coupling circuit is electrically connected to the RMS detection circuit and/or the LOG detection circuit.
4. The multi-port high power test device of claim 1, wherein:
the signal source (1000) comprises a signal source and a power amplifier (1200), the output end of the signal source is electrically connected with the input end of the power amplifier, and the signal output end of the power amplifier is electrically connected with the first input port (2010) of the first matrix switch unit (2000).
5. The multi-port high power test device of claim 1, wherein:
the circuit comprises a signal source (1000), a first matrix switch unit (2000), a first power test unit (7000), a first power input port (7010) of the first power test unit (7000) and an output end of the signal source (1000) are electrically connected; a first power output port (7020) of the first power test cell (7000) is electrically connected to a first input port (2010) of the first matrix switch cell (2000).
6. The multi-port high power test device of claim 1, wherein:
the device under test (3000) includes a plurality of high power duplexers or high power multi-channel duplexers.
7. The multi-port high power test device of claim 1, wherein:
the device under test (3000) includes a plurality of high power filters or high power multi-channel filters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120848487.4U CN215005741U (en) | 2021-04-23 | 2021-04-23 | Multi-port high-power testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120848487.4U CN215005741U (en) | 2021-04-23 | 2021-04-23 | Multi-port high-power testing device |
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| Publication Number | Publication Date |
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| CN215005741U true CN215005741U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120848487.4U Active CN215005741U (en) | 2021-04-23 | 2021-04-23 | Multi-port high-power testing device |
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- 2021-04-23 CN CN202120848487.4U patent/CN215005741U/en active Active
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