CN201698000U - Automatic testing system of radio-frequency power amplifier based on mixed bus - Google Patents
Automatic testing system of radio-frequency power amplifier based on mixed bus Download PDFInfo
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- CN201698000U CN201698000U CN2010202412499U CN201020241249U CN201698000U CN 201698000 U CN201698000 U CN 201698000U CN 2010202412499 U CN2010202412499 U CN 2010202412499U CN 201020241249 U CN201020241249 U CN 201020241249U CN 201698000 U CN201698000 U CN 201698000U
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Abstract
The utility model relates to an automatic testing system of a radio-frequency power amplifier based on a mixed bus. The automatic testing system comprises a main control computer for setting instrument, testing and processing result, a mixed testing bus based on GPIB and LXI, a GPIB interface card, a programmable DC power supply, a radio-frequency signal source, a fixed attenuator and a spectrum analyzer. The automatic testing system integrating and adopting control buses as GPIB (general-purpose interface bus), LXI (LAN extension for instrumentation) and the like not only takes the wide application of the GPIB in traditional instrument interface into account, but takes the advantages of the low cost, high speed and high reliability of the LXI, thereby maintaining the low cost, and effectively improving the testing efficiency of the radio-frequency power amplifier.
Description
Technical field
The utility model relates to the radio-frequency power amplifier field, relates in particular to the research and development and the production automation test of radio-frequency power amplifier.
Background technology
Radio-frequency power amplifier is a very important assembly in the radio frequency communication devices, is often used for the transmitting terminal afterbody, to output power and ACPR(adjacent channel power than) equivalence has comparatively strict requirement.How not only precise and high efficiency but also the cost that practices every conceivable frugality are difficult problems that becomes increasingly conspicuous to the test of radio-frequency power amplifier.
Existing test mode to radio-frequency power amplifier mainly is two kinds, generally is equipment such as manual operation radio-frequency signal source, frequency spectrograph and direct supply in the research and development test, manually record test data; In production test generally is to adopt expensive ATE(ATE (automatic test equipment)) board, realize control automatically and test.These two kinds of test modes all need to carry out in different phase, but because testing apparatus and test mode different, the test result of this dual mode objectively there are differences, and need do calibration.
The automatic test bus is since the GPIB of 20th century the seventies, constantly the expansion of VXI(STD bus at instrument field successively appearred again in development), PXI(is towards the peripheral component interconnect bus expansion of instrument system) and LXI (instrument of LAN (Local Area Network) is expanded) bussing technique.GPIB is owing to develop the earliest, and popularity rate is the highest, and is mature and stable, so a lot of testing apparatus has all kept this interface, but its connection device limited amount, command range is limited, and data rate is low, and cable cost height; VXI is because VXI cabinet that need be bigger and 1394 is controlled or the like cost height, exploitation complexity; PXI does not then obtain to popularize as yet in the testing apparatus interface; The up-to-date bussing technique that LXI occurred as 21 century is introduced instrument field with the advantage of Ethernet, greatly reduces cost, and higher message transmission rate and Long-distance Control more easily are provided, and is universal in testing apparatus rapidly.
The utility model content
The utility model provides a kind of radio-frequency power amplifier automatization test system that can be used to research and develop test and production test simultaneously, makes it can realize robotization control, test and data analysis when keeping very low cost.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: provide a kind of based on trunk mixed radio-frequency power amplifier Auto-Test System, comprise the main control computer, the hybrid test bus based on GPIB and LXI, gpib interface card, direct supply able to programme, radio-frequency signal source, fixed attenuator and the spectrum analyzer that are used for instrument setting and test and result treatment; Wherein, described main control computer is connected to gpib interface card; Gpib interface card connects radio-frequency signal source and direct supply able to programme respectively by gpib bus; The radio-frequency signal source output interface is connected to radio-frequency power amplifier input interface to be measured; Direct supply able to programme offers radio-frequency power amplifier supply voltage to be measured, reference voltage and mode voltage; The output interface of radio-frequency power amplifier to be measured is connected to the input interface of fixed attenuator; The output interface of fixed attenuator is connected to the input interface of spectrum analyzer; Main control computer is provided with the output of direct supply able to programme and radio-frequency signal source and the measurement of spectrum analyzer, and by the total line traffic control spectrum analyzer of LXI radio-frequency power amplifier output signal to be measured is tested, and store test results.
The beneficial effects of the utility model are: owing to unified research and development and production test environment, reduced the work of contrast and calibration; Compare traditional research and development test and when not increasing cost, improved automaticity, compare traditional production test and when keeping control automatically and test, reduced cost.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described gpib interface card card adopts the PCI-GPIB card that inserts in computer cabinet in the integrated circuit board form, or adopts the USB-GPIB card of being convenient to connect.
Further, described Auto-Test System also comprises the radio frequency cable, its be used to connect radio-frequency signal source to radio frequency amplifier to be measured, connect radio frequency amplifier to be measured to fixed attenuator, be connected and fixed attenuator to spectrum analyzer.
Further, described LXI bus adopts the RJ45 netting twine.
The beneficial effect that adopts above-mentioned further scheme is to have taken into account two-forty, low cost and high reliability that the new instrument bussing technique brings.
Further, the described direct supply able to programme that is used for radio-frequency power amplifier to be measured contains the output of two-way power supply at least.
Further, the described test of radio-frequency power amplifier output signal to be measured being carried out by the total line traffic control spectrum analyzer of LXI is followed successively by continuity testing, testing current, power test, channel power test and ACPR test.
Further, described testing current is followed successively by quiescent current, working current, leakage current and reference current test, and power test is followed successively by output power, gain, harmonic wave suppresses and the power added efficiency test.
Description of drawings
Fig. 1 is the composition synoptic diagram of the trunk mixed radio-frequency power amplifier automatization test system of the utility model;
Fig. 2 is the synoptic diagram of the trunk mixed radio-frequency power amplifier automatization test system of the utility model workflow.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
As the trunk mixed radio-frequency power amplifier automatization test system of an embodiment of the utility model as shown in the figure:
The composition synoptic diagram of the trunk mixed radio-frequency power amplifier automatization test system of present embodiment as shown in Figure 1, Auto-Test System mainly comprise main control computer 101, gpib interface card 103, radio-frequency signal source 105, radio-frequency power amplifier to be measured 107, fixed attenuator 109, spectrum analyzer 110, direct supply able to programme 108, GPIB cable 104 and RJ45 netting twine 111.USB cable 102 is used to connect gpib interface and snaps into the main control computer USB interface; Radio frequency cable 106 be used to connect radio-frequency signal source to radio frequency amplifier to be measured, connect radio frequency amplifier to fixed attenuator, be connected and fixed attenuator to spectrum analyzer.
Gpib interface card 103 is used to realize the conversion of computer interface to gpib interface.Present embodiment adopts Agilent USB-GPIB interface card 82357B, because USB interface is popularized in active computer.Adopt other forms GPIB cards such as PCI-GPIB interface card of integrated circuit board form also can in the real process.
Radio-frequency signal source 105 provides radio frequency amplifier 107 tests to be measured needed input waveform.When the gain of test continuous wave, output power and harmonic wave suppress, radio-frequency signal source 105 output continuous wave signals, amplitude and frequency are controlled; When test ACPR and channel power, radio-frequency signal source 105 output specific modulation signals, amplitude and frequency are controlled.
Radio-frequency power amplifier 107 to be measured is the transmitting terminal final stages that are applied to mobile communication terminal device, realizes the power amplification of the modulation signal of specific criteria is had higher requirements to output power and ACPR equivalence.
Fixed attenuator 109 is provided with in order to prevent the radio-frequency power amplifier output power from surpassing the spectrum analyzer maximal input.It can produce a fixing decay to the radio frequency power amplifier output power, as 30dB, effectively protects spectrum analyzer.This fixed attenuation value needs to do compensation in spectrum analyzer.
GPIB cable 104 be used to connect gpib interface card 103 with radio-frequency signal source 105, be connected radio-frequency signal source 105 and direct supply able to programme 108.The gpib bus of present embodiment adopts daisy chain to connect, and adopts the GPIB agreement to realize that instrument connects and control.
But the parameter that system's testing radio frequency power amplifier is common comprises quiescent current, working current, leakage current, reference current, power added efficiency, output power, gain, harmonic wave inhibition, ACPR, channel power etc.
As shown in Figure 2, be the synoptic diagram of the trunk mixed radio-frequency power amplifier automatization test system of present embodiment workflow.Overall flow is followed successively by continuity testing, testing current, power test, channel power test and ACPR test.Wherein, continuity testing is to be connected with main control computer normally in order to ensure instrument, can communicate by letter; Testing current is for the quiescent current of testing radio-frequency power amplifier to be measured, working current, leakage current and reference current, mainly be control to direct supply, if test result exceeds default bound, then be judged to be direct current fail, directly withdraw from this test; Power test is earlier the first-harmonic output power to be done test, power and signal source output power subtraction calculations that frequency spectrograph is recorded obtain gain, to gain and power supply supply power is divided by and calculates power added efficiency, again harmonic power is done test, harmonic power and fundamental power subtraction calculations are obtained harmonic wave inhibition degree; The channel power test can record indexs such as channel power and power spectrum density, and input signal needs to change the specified modulation signal into by continuous wave, and the frequency spectrograph measurement pattern needs to transfer Channel Power measurement pattern to by Swept SA measurement pattern; The ACPR test is right after the channel power test, and input signal still is the specified modulation signal, and the frequency spectrograph measurement pattern need transfer the ACP measurement pattern to.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. one kind based on trunk mixed radio-frequency power amplifier Auto-Test System, it is characterized in that, comprise main control computer, hybrid test bus, gpib interface card, direct supply able to programme, radio-frequency signal source, fixed attenuator and spectrum analyzer based on GPIB and LXI; Wherein, described main control computer is connected to gpib interface card; Gpib interface card connects radio-frequency signal source and direct supply able to programme respectively by gpib bus; The radio-frequency signal source output interface is connected to radio-frequency power amplifier input interface to be measured; Direct supply able to programme offers radio-frequency power amplifier supply voltage to be measured, reference voltage and mode voltage; The output interface of radio-frequency power amplifier to be measured is connected to the input interface of fixed attenuator; The output interface of fixed attenuator is connected to the input interface of spectrum analyzer; Main control computer is provided with the output of direct supply able to programme and radio-frequency signal source and the measurement of spectrum analyzer, and by the total line traffic control spectrum analyzer of LXI radio-frequency power amplifier output signal to be measured is tested, and store test results.
2. Auto-Test System according to claim 1 is characterized in that, described gpib interface card adopts the PCI-GPIB card that inserts in computer cabinet in the integrated circuit board form, or adopts the USB-GPIB card of being convenient to connect.
3. Auto-Test System according to claim 1, it is characterized in that, also comprise the radio frequency cable, its be used to connect radio-frequency signal source to radio-frequency power amplifier to be measured, connect radio-frequency power amplifier to be measured to fixed attenuator, be connected and fixed attenuator to spectrum analyzer.
4. Auto-Test System according to claim 1 is characterized in that, described LXI bus adopts the RJ45 netting twine.
5. Auto-Test System according to claim 1 is characterized in that, the described direct supply able to programme that is used for radio-frequency power amplifier to be measured contains the output of two-way power supply at least.
6. Auto-Test System according to claim 1, it is characterized in that the described test of radio-frequency power amplifier output signal to be measured being carried out by the total line traffic control spectrum analyzer of LXI is followed successively by continuity testing, testing current, power test, channel power test and ACPR test.
7. Auto-Test System according to claim 6, it is characterized in that, described testing current is followed successively by quiescent current, working current, leakage current and reference current test, and power test is followed successively by output power, gain, harmonic wave suppresses and the power added efficiency test.
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| CN2010202412499U CN201698000U (en) | 2010-06-29 | 2010-06-29 | Automatic testing system of radio-frequency power amplifier based on mixed bus |
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| CN2010202412499U CN201698000U (en) | 2010-06-29 | 2010-06-29 | Automatic testing system of radio-frequency power amplifier based on mixed bus |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546051A (en) * | 2011-11-14 | 2012-07-04 | 埃泰克汽车电子(芜湖)有限公司 | Detection equipment and detection method for remote control receiver of automobile |
| CN103424611A (en) * | 2013-08-26 | 2013-12-04 | 上海航天测控通信研究所 | Transmission channel output power automatic test system based on LXI bus |
| CN103529285A (en) * | 2013-10-28 | 2014-01-22 | 深圳市杰和科技发展有限公司 | Test equipment for automatically detecting power consumption of PCIE (Peripheral Component Interface Express) equipment |
| CN103630822A (en) * | 2012-08-21 | 2014-03-12 | 罗森伯格（上海）通信技术有限公司 | Method and apparatus for monitoring state of RF power amplifier |
| CN103701541A (en) * | 2013-12-25 | 2014-04-02 | 四川九洲电器集团有限责任公司 | Automatic test system and automatic test method of avionic integrated receiver |
| 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 |
| CN105388360A (en) * | 2015-10-26 | 2016-03-09 | 于志伟 | Radar signal simulator test system and testing method |
| CN106230523A (en) * | 2016-09-20 | 2016-12-14 | 深圳市迈特通信设备有限公司 | A kind of OOK electrical property modem automatization test system and method |
| CN106604436A (en) * | 2016-12-30 | 2017-04-26 | 广东美的厨房电器制造有限公司 | Semiconductor microwave oven control method and semiconductor microwave oven |
| CN107727976A (en) * | 2017-11-10 | 2018-02-23 | 中国电子科技集团公司第四十研究所 | A kind of programmable step attenuator method for testing reliability, system and device |
| CN108732490A (en) * | 2018-08-31 | 2018-11-02 | 成都天箭科技股份有限公司 | The full-automatic unmanned aging test of microwave solid-state power amplifier and service life experiment system |
| CN113219246A (en) * | 2021-05-31 | 2021-08-06 | 深圳信测标准技术服务股份有限公司 | Detection method for detecting power amplifier harmonic intensity detection device |
| CN113514758A (en) * | 2021-09-15 | 2021-10-19 | 绅克半导体科技(苏州)有限公司 | Chip testing method, tester and storage medium |
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2010
- 2010-06-29 CN CN2010202412499U patent/CN201698000U/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546051A (en) * | 2011-11-14 | 2012-07-04 | 埃泰克汽车电子(芜湖)有限公司 | Detection equipment and detection method for remote control receiver of automobile |
| CN103630822A (en) * | 2012-08-21 | 2014-03-12 | 罗森伯格（上海）通信技术有限公司 | Method and apparatus for monitoring state of RF power amplifier |
| CN103424611A (en) * | 2013-08-26 | 2013-12-04 | 上海航天测控通信研究所 | Transmission channel output power automatic test system based on LXI bus |
| CN103529285A (en) * | 2013-10-28 | 2014-01-22 | 深圳市杰和科技发展有限公司 | Test equipment for automatically detecting power consumption of PCIE (Peripheral Component Interface Express) equipment |
| CN103529285B (en) * | 2013-10-28 | 2015-12-09 | 深圳市杰和科技发展有限公司 | A kind of testing apparatus of automated detection PCIE device power consumption |
| CN103701541B (en) * | 2013-12-25 | 2016-05-25 | 四川九洲电器集团有限责任公司 | The method of testing of avionics integrated receiver Auto-Test System |
| CN103701541A (en) * | 2013-12-25 | 2014-04-02 | 四川九洲电器集团有限责任公司 | Automatic test system and automatic test method of avionic integrated receiver |
| CN103744010B (en) * | 2013-12-26 | 2017-01-18 | 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 |
| 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 |
| CN105388360A (en) * | 2015-10-26 | 2016-03-09 | 于志伟 | Radar signal simulator test system and testing method |
| CN105388360B (en) * | 2015-10-26 | 2018-09-28 | 南京陶特思软件科技有限公司 | a kind of radar signal simulator test system and test method |
| CN106230523B (en) * | 2016-09-20 | 2018-09-11 | 深圳市迈特通信设备有限公司 | A kind of OOK electrical properties modem automatization test system and method |
| CN106230523A (en) * | 2016-09-20 | 2016-12-14 | 深圳市迈特通信设备有限公司 | A kind of OOK electrical property modem automatization test system and method |
| CN106604436A (en) * | 2016-12-30 | 2017-04-26 | 广东美的厨房电器制造有限公司 | Semiconductor microwave oven control method and semiconductor microwave oven |
| CN106604436B (en) * | 2016-12-30 | 2019-11-05 | 广东美的厨房电器制造有限公司 | The control method and semiconductor microwave oven of semiconductor microwave oven |
| CN107727976A (en) * | 2017-11-10 | 2018-02-23 | 中国电子科技集团公司第四十研究所 | A kind of programmable step attenuator method for testing reliability, system and device |
| CN108732490A (en) * | 2018-08-31 | 2018-11-02 | 成都天箭科技股份有限公司 | The full-automatic unmanned aging test of microwave solid-state power amplifier and service life experiment system |
| CN108732490B (en) * | 2018-08-31 | 2024-02-23 | 成都天箭科技股份有限公司 | Full-automatic unmanned aging test and life test system for microwave solid-state power amplifier |
| CN113219246A (en) * | 2021-05-31 | 2021-08-06 | 深圳信测标准技术服务股份有限公司 | Detection method for detecting power amplifier harmonic intensity detection device |
| CN113219246B (en) * | 2021-05-31 | 2022-02-22 | 深圳信测标准技术服务股份有限公司 | Detection method for detecting power amplifier harmonic intensity detection device |
| CN113514758A (en) * | 2021-09-15 | 2021-10-19 | 绅克半导体科技(苏州)有限公司 | Chip testing method, tester and storage medium |
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Owner name: SHENZHEN GUOMIN FEIXIANG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: NATIONZ TECHNOLOGIES INC. Effective date: 20150819 |
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Effective date of registration: 20150819 Address after: 518057 Guangdong city of Shenzhen province Nanshan District New South Road No. 9 Hing three Huazhong University of Science and Technology research base A block 2 layer Patentee after: Shenzhen national fly Technology Co. Ltd. Xiang Address before: 518057 Nanshan District hi tech Industrial Park, Guangdong, Shenzhen, China, the software park, No. 3, No. 301, No., No. 302 Patentee before: Nationz Technologies Inc. |
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Address after: 518057 Guangdong city of Shenzhen province Nanshan District Guangdong streets District Science Park Science and technology in three Chinese road building B building 3 layer 318 Patentee after: Shenzhen Fei Xiang Technology Co., Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District New South Road No. 9 Hing three Huazhong University of Science and Technology research base A block 2 layer Patentee before: Shenzhen national fly Technology Co. Ltd. Xiang |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic testing system of radio-frequency power amplifier based on mixed bus Effective date of registration: 20180625 Granted publication date: 20110105 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen Fei Xiang Technology Co., Ltd. Registration number: 2018990000481 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200713 Granted publication date: 20110105 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: LANSUS TECHNOLOGIES Inc. Registration number: 2018990000481 |