CN109001616A - A kind of power amplifier test macro - Google Patents
A kind of power amplifier test macro Download PDFInfo
- Publication number
- CN109001616A CN109001616A CN201811009528.XA CN201811009528A CN109001616A CN 109001616 A CN109001616 A CN 109001616A CN 201811009528 A CN201811009528 A CN 201811009528A CN 109001616 A CN109001616 A CN 109001616A
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- Prior art keywords
- test
- power amplifier
- signal
- amplifier
- measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a kind of power amplifier test macros, including waveform generator, Network Analyzer, frequency mixer, primary amplifier, multi-functional conversion module, load, test fixture, coupler, test host；The intermediate-freuqncy signal that the local oscillated signal that the waveform generator generates and Network Analyzer generate is by generating radiofrequency signal after being mixed of frequency mixer, and power amplifier to be measured processing fixed on test fixture is inputed to after primary amplifier amplifies, the radiofrequency signal by the enhanced processing of power amplifier to be measured is exported to load；The power that outputs and inputs of power amplifier a part to be measured feeds back to Network Analyzer by coupler, nework analysis module by comparing input signal and output signal size, phase, and the power ratio of input/output signal, 3 rank intermodulation parameters, noise, electric current are calculated by the test software in test host, test result is recorded, and by judging automatically whether radio frequency amplifier reaches design requirement.
Description
Technical field
The present invention relates to power amplifier, in particular to a kind of power amplifier test macro.
Background technique
Power amplifier for client broadcasting television tower product is debugged and tested, is needed to bias voltage tune
Section, phase adjustment, output power, efficiency, the test of the relevant parameters such as gain.
Summary of the invention
Object of the present invention is to: a kind of power amplifier test macro is provided, is completed to bias voltage adjustment, phase adjustment,
Output power, efficiency, the test of the relevant parameters such as gain.
The technical scheme is that
A kind of power amplifier test macro, including it is waveform generator, Network Analyzer, frequency mixer, primary amplifier, multi-functional
Conversion module, load, test fixture, coupler, test host；The local oscillated signal and network that the waveform generator generates
The intermediate-freuqncy signal that analyzer generates generates radiofrequency signal after the mixing of frequency mixer, and inputs after primary amplifier amplifies
To power amplifier to be measured processing fixed on test fixture, the radio frequency by the enhanced processing of power amplifier to be measured is believed
Number output to load；The power that outputs and inputs of power amplifier a part to be measured feeds back to network analysis by coupler
Instrument, test host are switched on state by multi-functional conversion module connecting components.
Specifically, size of the nework analysis module by comparing input signal and output signal, phase, and pass through test master
Test software in machine calculates the power ratio of input/output signal, 3 rank intermodulation parameters, noise, electric current, records test result,
And by judging automatically whether radio frequency amplifier reaches design requirement.
The invention has the advantages that
The present invention debugs high power amplifier and is tested with test macro.By calibrating the line to entire test macro
Path loss consumption analyze and compensate by software to have an impact test result with the loss for guaranteeing board itself.It is logical
This test macro is crossed to adjust the just bias voltage of power amplifier and phase and power amplifier is made to reach most ideal operation state, is substantially increased
Working efficiency.It is analyzed by the data to power, gain, efficiency and test guarantees that we can provide perfect production to client
Product.Meets the needs of client is to different stage amplifier simultaneously.Test macro can save all test datas simultaneously, when test
Between and tester's relevant information facilitate the subsequent follow-up of quality to product and control and improvement.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the schematic diagram of power amplifier test macro；
Fig. 2 is the test flow chart of power amplifier test macro.
Specific embodiment
As shown in Figure 1, power amplifier test macro of the invention, including waveform generator, Network Analyzer, mixing
Device, primary amplifier, multi-functional conversion module, load, test fixture, coupler, test host.
As shown in Fig. 2, the intermediate-freuqncy signal that local oscillated signal and Network Analyzer that the waveform generator generates generate
Radiofrequency signal is generated after the mixing of frequency mixer, and input to after primary amplifier amplifies on test fixture it is fixed to
The power amplifier of survey is handled, and the radiofrequency signal by the enhanced processing of power amplifier to be measured is exported to load；It is to be measured
The power that outputs and inputs of power amplifier a part feeds back to Network Analyzer by coupler, and test host passes through multi-functional
Conversion module connecting components, are switched on state.Nework analysis module by comparing input signal and output signal size,
Phase, and by test host in test software calculate the power ratio of input/output signal, 3 rank intermodulation parameters, noise,
Electric current records test result, and by judging automatically whether radio frequency amplifier reaches design requirement.
The work number for opening test software input test personnel is calibrated entire test macro and is damaged to the route of entire test macro
Consumption analyze and compensated by software.Test product is installed, measured power amplifier is debugged and tested.Test
Data are automatically generated and are permanently stored in test computer.Product is identified after test pass.Present invention test macro
To be debugged and be tested to high power amplifier.The line loss of entire test macro is analyzed and passed through by calibration
Software, which is compensated, will not have an impact test result with the loss for guaranteeing board itself.Function is adjusted by this test macro
The just bias voltage and phase put make power amplifier reach most ideal operation state, greatly improve work efficiency.By to power,
Gain, the data analysis and test of efficiency guarantee that we can provide perfect product to client.Meet client to difference simultaneously
The demand of rank amplifier.Test macro can save all test datas, testing time and tester's relevant information simultaneously
Facilitate the subsequent follow-up of quality to product and control and improvement.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
It cans understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all to lead according to the present invention
The modification for wanting the Spirit Essence of technical solution to be done, should be covered by the protection scope of the present invention.
Claims (2)
1. a kind of power amplifier test macro, which is characterized in that including waveform generator, Network Analyzer, frequency mixer, primary
Amplifier, multi-functional conversion module, load, test fixture, coupler, test host；The local that the waveform generator generates
The intermediate-freuqncy signal that oscillator signal and Network Analyzer generate is put by generating radiofrequency signal after being mixed of frequency mixer by primary
Power amplifier to be measured processing fixed on test fixture is inputed to after big device amplification, by putting for power amplifier to be measured
The radiofrequency signal handled greatly is exported to load；Power amplifier to be measured a part to output and input power anti-by coupler
It feeds Network Analyzer, test host is switched on state by multi-functional conversion module connecting components.
2. power amplifier test macro according to claim 1, which is characterized in that nework analysis module is by comparing defeated
Enter the size of signal and output signal, phase, and the test software by testing in host calculates the function of input/output signal
Rate ratio, 3 rank intermodulation parameters, noise, electric current record test result, and by judging automatically whether radio frequency amplifier reaches design
It is required that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009528.XA CN109001616A (en) | 2018-08-31 | 2018-08-31 | A kind of power amplifier test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009528.XA CN109001616A (en) | 2018-08-31 | 2018-08-31 | A kind of power amplifier test macro |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109001616A true CN109001616A (en) | 2018-12-14 |
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ID=64590637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811009528.XA Pending CN109001616A (en) | 2018-08-31 | 2018-08-31 | A kind of power amplifier test macro |
Country Status (1)
| Country | Link |
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| CN (1) | CN109001616A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113064049A (en) * | 2021-03-17 | 2021-07-02 | 深圳市时代速信科技有限公司 | Radio frequency power amplifier chip test system |
| CN113189425A (en) * | 2021-04-30 | 2021-07-30 | 上海市医疗器械检验研究院 | System and method for testing reliability of radio frequency power amplifier |
| TWI745982B (en) * | 2020-05-27 | 2021-11-11 | 矽品精密工業股份有限公司 | Test system and method thereof |
| CN114184932A (en) * | 2021-11-17 | 2022-03-15 | 深圳市勤创光电科技有限公司 | Signal amplifier detection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5006812A (en) * | 1989-08-01 | 1991-04-09 | Rockwell International Corporation | Power amplifier with built-in test circuit |
| CN103744010A (en) * | 2013-12-26 | 2014-04-23 | 中国电子科技集团公司第三十六研究所 | An automatic testing system and an automatic testing method of a continuous wave radio frequency power amplifier |
| CN108390733A (en) * | 2018-02-02 | 2018-08-10 | 广州慧睿思通信息科技有限公司 | A kind of multi-channel radio frequency power amplifier test system and method |
-
2018
- 2018-08-31 CN CN201811009528.XA patent/CN109001616A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5006812A (en) * | 1989-08-01 | 1991-04-09 | Rockwell International Corporation | Power amplifier with built-in test circuit |
| CN103744010A (en) * | 2013-12-26 | 2014-04-23 | 中国电子科技集团公司第三十六研究所 | An automatic testing system and an automatic testing method of a continuous wave radio frequency power amplifier |
| CN108390733A (en) * | 2018-02-02 | 2018-08-10 | 广州慧睿思通信息科技有限公司 | A kind of multi-channel radio frequency power amplifier test system and method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI745982B (en) * | 2020-05-27 | 2021-11-11 | 矽品精密工業股份有限公司 | Test system and method thereof |
| CN113064049A (en) * | 2021-03-17 | 2021-07-02 | 深圳市时代速信科技有限公司 | Radio frequency power amplifier chip test system |
| CN113189425A (en) * | 2021-04-30 | 2021-07-30 | 上海市医疗器械检验研究院 | System and method for testing reliability of radio frequency power amplifier |
| CN114184932A (en) * | 2021-11-17 | 2022-03-15 | 深圳市勤创光电科技有限公司 | Signal amplifier detection device |
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Application publication date: 20181214 |
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| RJ01 | Rejection of invention patent application after publication |