CN201072879Y - Radio frequency test system - Google Patents

Radio frequency test system Download PDF

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Publication number
CN201072879Y
CN201072879Y CNU2007201556231U CN200720155623U CN201072879Y CN 201072879 Y CN201072879 Y CN 201072879Y CN U2007201556231 U CNU2007201556231 U CN U2007201556231U CN 200720155623 U CN200720155623 U CN 200720155623U CN 201072879 Y CN201072879 Y CN 201072879Y
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CN
China
Prior art keywords
radio frequency
wireless
tested
test
radio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007201556231U
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Chinese (zh)
Inventor
朱志聪
张�荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN200720003100.5 priority Critical
Priority to CN200720003100 priority
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CNU2007201556231U priority patent/CN201072879Y/en
Application granted granted Critical
Publication of CN201072879Y publication Critical patent/CN201072879Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a radio frequency test system, which comprises a testing instrument, a PC, a wireless device to be tested and a radio frequency switcher. The PC is connected with the testing instrument via a GPIB interface and is connected with the wireless device to be tested via a USB interface; the device to be tested is provided with two sets of radio frequency receiving circuits; the radio frequency switcher is connected with the testing instrument and the device to be tested via a radio frequency cable and is connected with the PC via parallel ports or an IO card; the radio frequency switcher switches over the connection with the two sets of radio frequency receiving circuits of the wireless device to be tested through the signals transmitted by the PC. By adopting the system, the utility model can carry out mutual and automatic switchover between the testing instrument and the two sets of radio frequency receiving circuits of the wireless device to be tested at random under the condition of not affecting receiving and transmitting the radio frequency signals, thereby avoiding affects caused by human factors and further improving the product quality while enhancing production efficiency and production test automation.

Description

A kind of radio frequency test system
Technical field
The utility model relates to a kind of radio frequency test system, refers more particularly to the wireless device radio frequency test macro with two cover radio-frequency (RF) receiving circuit.
Background technology
At present, in mobile phone or wireless network card, in order to strengthen the receiving ability of wireless device, have two cover radio-frequency (RF) receiving circuit in radio-frequency module, one interlocks then external antenna, is referred to as the main channel; The another set of built-in aerial that connecting is referred to as diversity, and the parallel application of two cover radio-frequency (RF) receiving circuit makes the double lifting of receiving ability of wireless device.The concurrent working of main channel radio circuit and diversity radio circuit must obtain the support of wireless device master chip, and this can realize, and, can make up the parallel radio frequency receiving circuit of main channel and diversity.
The application of main channel and diversity means in the production of carrying out mobile phone or network interface card, must independently calibrate main channel and diversity, survey eventually, whether reaches the national regulation standard with the receiving function of checking wireless device.Because main channel and diversity difference corresponding function be external antenna and built-in aerial independently, they have radio frequency seat separately, when calibrating or survey eventually, the method for attachment of adopting is usually: when the test main channel, just tester (is surveyed instrument or R﹠amp eventually as 8960 of Agilent; The CMU200 of S company etc.) radio frequency connecting line is directly connected to the main channel, wait main channel test to finish after, the interim time-out manually switches to diversity to the radio frequency connecting line, continues test then.Accompanying drawing 1 is seen in method of attachment.
The shortcoming that shows of said method is in actual applications: manual switchover when production line is produced in enormous quantities, on the one hand, has a strong impact on production efficiency, because increased the manual switchover stand-by period; On the other hand, increased the possibility that manual operation makes mistakes, might insert during switching partially or slotting shakiness, or forget the replacing radio frequency socket, this all can cause artificial mistake to survey, and product quality is had a strong impact on.
The utility model content
The technical problems to be solved in the utility model provides a kind of radio frequency test system, when it can or calibrate the wireless device with two cover radio-frequency (RF) receiving circuit in test, carries out two switchings between radio-frequency line to be measured automatically.For solving the problems of the technologies described above, a kind of radio frequency test system described in the utility model, comprise tester, PC and wireless device to be measured, described PC links to each other with described tester by gpib interface, link to each other with described wireless device to be measured by USB interface, described Devices to test has two cover radio-frequency (RF) receiving circuit, and described system also comprises the radio frequency switch, link to each other with described Devices to test with described tester by radio frequency line, link to each other with described PC by the parallel port; The signal that described radio frequency switch sends according to PC switches and being connected of wireless device two cover radio circuits to be measured.
As a kind of optimized technical scheme, be provided with relay control switch in the described radio frequency switch, be used for and wireless device to be measured between the radio frequency connecting line between two cover radio circuits, switch mutually.
As another optimized technical scheme, also be provided with signal amplifier in the described radio frequency switch, be used to amplify the high/low level signal that PC sends and drive described relay.
As another optimized technical scheme, also be provided with data register in the described radio frequency switch, be used to receive the high/low level signal of PC transmission and send described signal amplifier to.
As another kind of optimized technical scheme, be provided with digital I in the described radio frequency switch, be used to receive the high/low level signal of PC transmission and send described signal amplifier to.
Utilize radio frequency test system of the present utility model, can be under the situation that does not influence the radiofrequency signal reception and send, can be at any time ON/OFF by computer control radio-frequency (RF) device switch repeat circuit control switch realize mutual switching between the wireless device two cover radio circuits to be measured, the mode that has replaced manual switchover fully, when enhancing productivity with the production test automation, the influence of having avoided human factor to cause has further improved product quality.
Description of drawings
Fig. 1 is system's connection layout of existing manual switchover method;
Fig. 2 is system's connection layout of an embodiment of the utility model.
Embodiment
Further specify technical scheme described in the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 2, connection layout for an embodiment of the utility model, system mainly is made of tester, PC and wireless device to be measured and radio frequency switch, described PC links to each other with described tester by gpib interface, link to each other with described wireless device to be measured by USB interface, described Devices to test has two cover radio-frequency (RF) receiving circuit, and described radio frequency switch links to each other with described Devices to test with described tester by radio frequency line, links to each other with described PC by the parallel port; The signal that described radio frequency switch sends according to PC switches and being connected of wireless device two cover radio circuits to be measured.
Describing test macro in detail below is how to realize test job.
At first, be connected by gpib interface between PC and the tester, GPIB, i.e. general-purpose interface bus General Purpose Interface Bus, it is electric, mechanical for the connected system between PC and the programmable instrument has defined, function and software feature.This module is to control the test that tester carries out radio frequency by the software on the PC, and tester can be surveyed instrument or R﹠amp eventually with 8960 of Agilent; The CMU200 of S company etc.;
Secondly, realize communicating by letter by USB interface between PC and the wireless device,, wireless device is read and write etc. the operation of each side by the software on the PC;
Once more, be connected by the parallel port between PC and the radio frequency switch, this is for the emphasis of PC end control, and by the software on the PC, (D0~D7) sends a high/low level signal, and then the opening/break of the relay module of control radio frequency switch to give the data register of parallel port;
This module also can adopt PC ancillary equipment such as digital I to replace the parallel port, reaches the purpose of control radio frequency switch;
At last, the radio frequency switch transmitting-receiving of RF radio frequency between tester and the wireless device by drawing in, this is the emphasis of radiofrequency signal control, the radio frequency switch is a built-in signal amplification circuit and relay module circuit, when its input is received the high/low level signal that send the parallel port,, and then drive relay module work through signal amplification circuit, make that the radiofrequency signal of sending from tester is to select to be connected the main channel or the diversity of wireless device, reach the purpose of automatic switchover with this.
Use this method when production line is produced in enormous quantities, the defectives such as possibility that switching stand-by period and manual operation make mistakes have been increased when having overcome manual switchover, can be during switching because of inserting partially or inserting unstable, or forgotten the replacing radio frequency socket, cause artificial mistake to survey, the product test quality improves greatly.

Claims (5)

1. radio frequency test system, comprise tester, PC and wireless device to be measured, described PC links to each other with described tester by gpib interface, links to each other with described wireless device to be measured by USB interface, described Devices to test has two cover radio-frequency (RF) receiving circuit, it is characterized in that:
Described system also comprises the radio frequency switch, links to each other with switching mode with two cover radio-frequency (RF) receiving circuit of described tester and described Devices to test by radio frequency line, and links to each other with described PC.
2. the system as claimed in claim 1 is characterized in that, is provided with relay control switch in the described radio frequency switch; Described radio frequency switch links to each other with described PC by the parallel port.
3. system as claimed in claim 2 is characterized in that, also is provided with signal amplifier in the described radio frequency switch, between described PC and described relay.
4. system as claimed in claim 3 is characterized in that, also is provided with data register in the described radio frequency switch.
5. the system as claimed in claim 1 is characterized in that, is provided with relay control switch, digital I and signal amplifier in the described radio frequency switch.
CNU2007201556231U 2007-03-07 2007-07-18 Radio frequency test system Expired - Fee Related CN201072879Y (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200720003100.5 2007-03-07
CN200720003100 2007-03-07
CNU2007201556231U CN201072879Y (en) 2007-03-07 2007-07-18 Radio frequency test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201556231U CN201072879Y (en) 2007-03-07 2007-07-18 Radio frequency test system

Publications (1)

Publication Number Publication Date
CN201072879Y true CN201072879Y (en) 2008-06-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201556231U Expired - Fee Related CN201072879Y (en) 2007-03-07 2007-07-18 Radio frequency test system

Country Status (1)

Country Link
CN (1) CN201072879Y (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101893660A (en) * 2010-05-05 2010-11-24 中兴通讯股份有限公司 Testing device and method for communication terminal
CN101977087A (en) * 2010-10-18 2011-02-16 上海新干通通信设备有限公司 Air interface monitoring system for automatic train protection (ATP) system
CN102495603A (en) * 2011-12-13 2012-06-13 天维讯达无线电设备检测(北京)有限责任公司 Radio frequency switching unit integration control system based on general purpose interface bus (GPIB)
CN102621913A (en) * 2012-03-20 2012-08-01 天维讯达无线电设备检测(北京)有限责任公司 Radio-frequency switching unit control method based on ARM (advanced reduced instruction set computer machine) and DSP (digital signal processor)
CN102662341A (en) * 2012-03-20 2012-09-12 天维讯达无线电设备检测(北京)有限责任公司 Radio-frequency switch-unit hardware system based on ARM and DSP
CN101674142B (en) * 2009-09-24 2013-02-27 苏州博联科技有限公司 Production test system of large-scale short-distance wireless data transmission equipment
CN101453276B (en) * 2007-12-04 2013-04-24 京信通信系统(中国)有限公司 Detection system for repeater product radio frequency performance, and detection method thereof
CN103560841A (en) * 2013-10-28 2014-02-05 深圳市共进电子股份有限公司 Radio frequency circuit testing system and method
CN104320520A (en) * 2014-10-14 2015-01-28 小米科技有限责任公司 Terminal commissioning method and device
CN105656567A (en) * 2014-11-14 2016-06-08 陕西飞机工业(集团)有限公司 Ultrashort wave digital radio test system
CN107018223A (en) * 2017-06-16 2017-08-04 深圳市华域无线技术股份有限公司 One kind is used for mobile phone radio frequency signal testing method and system

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101453276B (en) * 2007-12-04 2013-04-24 京信通信系统(中国)有限公司 Detection system for repeater product radio frequency performance, and detection method thereof
CN101674142B (en) * 2009-09-24 2013-02-27 苏州博联科技有限公司 Production test system of large-scale short-distance wireless data transmission equipment
CN101893660A (en) * 2010-05-05 2010-11-24 中兴通讯股份有限公司 Testing device and method for communication terminal
CN101977087A (en) * 2010-10-18 2011-02-16 上海新干通通信设备有限公司 Air interface monitoring system for automatic train protection (ATP) system
CN102495603A (en) * 2011-12-13 2012-06-13 天维讯达无线电设备检测(北京)有限责任公司 Radio frequency switching unit integration control system based on general purpose interface bus (GPIB)
CN102621913A (en) * 2012-03-20 2012-08-01 天维讯达无线电设备检测(北京)有限责任公司 Radio-frequency switching unit control method based on ARM (advanced reduced instruction set computer machine) and DSP (digital signal processor)
CN102662341A (en) * 2012-03-20 2012-09-12 天维讯达无线电设备检测(北京)有限责任公司 Radio-frequency switch-unit hardware system based on ARM and DSP
CN102621913B (en) * 2012-03-20 2014-06-04 天维讯达无线电设备检测(北京)有限责任公司 Radio-frequency switching unit control method based on ARM (advanced reduced instruction set computer machine) and DSP (digital signal processor)
CN102662341B (en) * 2012-03-20 2014-04-16 天维讯达无线电设备检测(北京)有限责任公司 Radio-frequency switch-unit hardware system based on ARM and DSP
CN103560841A (en) * 2013-10-28 2014-02-05 深圳市共进电子股份有限公司 Radio frequency circuit testing system and method
CN103560841B (en) * 2013-10-28 2016-05-04 深圳市共进电子股份有限公司 Radio-frequency line test macro and method
CN104320520A (en) * 2014-10-14 2015-01-28 小米科技有限责任公司 Terminal commissioning method and device
CN105656567A (en) * 2014-11-14 2016-06-08 陕西飞机工业(集团)有限公司 Ultrashort wave digital radio test system
CN107018223A (en) * 2017-06-16 2017-08-04 深圳市华域无线技术股份有限公司 One kind is used for mobile phone radio frequency signal testing method and system

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080611

Termination date: 20140718