CN109347577A - A kind of intercom performance testing device and its system - Google Patents
A kind of intercom performance testing device and its system Download PDFInfo
- Publication number
- CN109347577A CN109347577A CN201811039482.6A CN201811039482A CN109347577A CN 109347577 A CN109347577 A CN 109347577A CN 201811039482 A CN201811039482 A CN 201811039482A CN 109347577 A CN109347577 A CN 109347577A
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- test
- frequency converting
- converting switch
- intercom
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of intercom performance testing device and its systems, the device includes the first radio frequency converting switch, second radio frequency converting switch, third radio frequency converting switch, 4th radio frequency converting switch, control unit, function selection unit, combiner and attenuator, the first radio frequency converting switch is controlled according to the different trigger signals that the function selection unit exports by described control unit, second radio frequency converting switch, the connection of third radio frequency converting switch and the 4th radio frequency converting switch, form test circuit corresponding with the trigger signal, and control the test that the test circuit carries out test item corresponding with trigger signal, different test contents is realized using a circuit to realize, and the switching between different test contents directly controls being switched on for switch by control unit, it avoids and is disconnecting The problem of malfunctioning when circuit, while also reaching the efficiency for improving test, operating procedure is simplified, the quality of intercom is improved.
Description
Technical field
The present invention relates to intercom the field of test technology more particularly to a kind of intercom performance testing device and its systems.
Background technique
With the rapid development of electronic technology, intercom has been increasingly becoming very important a kind of electronics production in people's life
Product, in intercom production process, carrying out test to intercom is a very important process, and the test of high quality can be with
Efficiently control and guarantee the quality of intercom.
Intercom test includes launching target test, receives index test, and required instrument includes the comprehensive survey of wireless telecommunications
Instrument, signal source, frequency spectrograph.But in current intercom test method, need to switch over combination between more instruments,
Increasingly complex combined test is realized using threeway and four-way, there is still a need for pass through artificial multiple twist-on during the test
Connecting line between all parts, when realizing different performance test, no needs carry out artificial disassembly and reassembly, in this way
Test operation, whole process or comparatively laborious, and its testing efficiency is low, is easy during dismounting
Mistake causes to test quality inaccuracy, reduces the quality of intercom.
Summary of the invention
The present invention provides a kind of intercom performance testing device and its systems, solve existing intercom test process
The technical issues of cumbersome, testing efficiency is low, is easy error.
The present invention provides a kind of intercom performance testing devices, comprising: the first radio frequency converting switch, the switching of the second radio frequency
Switch, third radio frequency converting switch, the 4th radio frequency converting switch, control unit, function selection unit, combiner and attenuator；
First radio frequency converting switch includes an input terminal and three output ends, wherein the output end and outside
Comprehensive test instrument connection, three output ends respectively with the first input end of second radio frequency converting switch, the combiner first
Input terminal is connected with the first input end of the 4th radio frequency converting switch, the output end and second radio frequency converting switch
Second output terminal connection；Second input terminal of the combiner is connect with the first external signal source, and the of the combiner
Three input terminals are connect with the output end of the third radio frequency converting switch；Two input terminals of the third radio frequency converting switch point
It is not connected with external second signal source and load；Second input terminal of the 4th radio frequency converting switch and external frequency spectrograph connect
Connect, the output end of the 4th radio frequency converting switch is connect with the input terminal of the attenuator, the output end of the attenuator with
The input terminal of second radio frequency converting switch connects；
Described control unit is connect with the function selection unit, the different touchings exported according to the function selection unit
Signalling is cut to control first radio frequency converting switch, the second radio frequency converting switch, third radio frequency converting switch, the 4th radio frequency
The connection of switch is changed, is formed for testing test circuit corresponding with the trigger signal, and controls the test circuit and carries out
The test of the test item corresponding with the trigger signal.
Optionally, the function selection unit is key module, by select the different buttons in the key module come
Control exports different trigger signals.
Optionally, further include connect respectively with described control unit for show the test item display module and lead to
Interrogate module, and the power module for intercom performance testing device power supply；
The trigger signal that the communication module is used to receive extraneous test equipment input controls the first radio frequency switching
The connection of switch, the second radio frequency converting switch, third radio frequency converting switch, the 4th radio frequency converting switch, forms corresponding test
Circuit.
Optionally, the test item includes channel inhibition test altogether, blocking test, adjacentchannel selectivity test, spurious response
During vulnerability to jamming test, intermodulation testing, the spuious test of transmitting, transmitting transient test, transmission power test, modulation sensitivity are tested
It is at least one.
Optionally, if the test item is that channel inhibits test, blocking test, adjacentchannel selectivity test and spurious response altogether
When at least one of vulnerability to jamming test, described control unit controls first radio frequency according to the trigger signal respectively and switches
The input terminal of switch is penetrated with second output terminal, the second input terminal of second radio frequency converting switch and output end and the third
The connection of the second input terminal and output end of frequency switching switch, and form corresponding test circuit.
Optionally, if the test item is intermodulation testing, described control unit controls respectively according to the trigger signal
The input terminal of first radio frequency converting switch and second output terminal, second radio frequency converting switch the second input terminal with it is defeated
The connection of the first input end and output end of outlet and the third radio frequency converting switch, and form corresponding test circuit.
Optionally, if the test item is when emitting spuious test, described control unit is distinguished according to the trigger signal
Control the second input of the third input terminal and output end and the 4th radio frequency converting switch of second radio frequency converting switch
The connection at end and output end, and form corresponding test circuit.
Optionally, if the test item is transmitting transient test, described control unit is distinguished according to the trigger signal
Control the input terminal of first radio frequency converting switch and the third input terminal of third output end, second radio frequency converting switch
With the connection of output end and the first input end and output end of the 4th radio frequency converting switch, and corresponding test electricity is formed
Road.
Optionally, if the test item is at least one of transmission power test, modulation sensitivity test, the control
Unit processed controls the input terminal of first radio frequency converting switch and the first output end and described according to the trigger signal respectively
The connection of the first input end and output end of second radio frequency converting switch, and form corresponding test circuit.
Further, the present invention also provides a kind of intercom test macro, comprising: intercom performance as described above
Test device, and the intercom, the comprehensive test instrument, the first signal source, second that are connect respectively with the intercom performance testing device
Signal source and frequency spectrograph, by the function selection unit controlled in the intercom performance testing device control the comprehensive test instrument,
First signal source, second signal source and frequency spectrograph output signal test the intercom.
Beneficial effects of the present invention:
The present invention provides a kind of intercom performance testing device and its system, which includes that the switching of the first radio frequency is opened
Pass, the second radio frequency converting switch, third radio frequency converting switch, the 4th radio frequency converting switch, control unit, function selection unit,
Combiner and attenuator are controlled by described control unit according to the different trigger signals that the function selection unit exports
The connection of first radio frequency converting switch, the second radio frequency converting switch, third radio frequency converting switch and the 4th radio frequency converting switch, shape
At test circuit corresponding with the trigger signal, and controls the test circuit and carry out test corresponding with the trigger signal
Test, different test contents is realized using a device circuit to realize, and different test contents it
Between switching being switched on for switch is directly controlled by control unit, avoid asking of can malfunctioning when disconnecting circuit
Topic, while also reaching the efficiency for improving test, operating procedure is simplified, the quality of intercom is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of intercom performance testing device provided in an embodiment of the present invention；
Fig. 2 is another structural schematic diagram of intercom performance testing device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of intercom Performance Test System provided in an embodiment of the present invention.
Specific embodiment
Further annotation explanation now is made to the present invention by way of specific embodiment combination attached drawing.
First embodiment:
Fig. 1 is the structural schematic diagram of intercom performance testing device provided in an embodiment of the present invention, which includes first
Radio frequency converting switch 11, the second radio frequency converting switch 12, third radio frequency converting switch 13, the 4th radio frequency converting switch 14, control
Unit 15, function selection unit 16, combiner 17 and attenuator 18, wherein the first radio frequency converting switch 11 and the switching of the second radio frequency
Switch 12 is single-pole three throw coaxial switch, and the third radio frequency converting switch 13 and the 4th radio frequency converting switch 14 are single-pole double throw
Coaxial switch, wherein the first radio frequency converting switch 11 respectively with the second radio frequency converting switch 12, the 4th radio frequency converting switch 14 and
Combiner 17 connects, and third radio frequency converting switch 13 and combiner 17 connect, and the combiner 17 is also opened with the switching of the second radio frequency
Close 12 connections, the attenuator 18 be connected in series in the 4th radio frequency converting switch 14 and the second radio frequency converting switch 12 it
Between, described control unit 15 respectively with the first radio frequency converting switch 11, the second radio frequency converting switch 12, third radio frequency converting switch
13 connect with the control terminal of the 4th radio frequency converting switch 14, for being controlled according to the control signal exported in function selection unit 16
Gating on each radio frequency converting switch, for example control the selection of output end 11 in the first radio frequency converting switch 11 and three input terminals
In which input terminal connect, thus which kind of device signal input that control selections are extraneous.
In the present embodiment, first radio frequency converting switch 11 includes an input terminal 111 and three output ends (difference
It is 112,113 and 114), second radio frequency converting switch 12 includes three input terminals (respectively 121,122 and 123) and one
A output end 124, the third radio frequency converting switch 13 include two input terminals (respectively 131 and 132) and an output end
133, the 4th radio frequency converting switch 14 includes two input terminals (respectively 141 and 142) and an output end 143, described
Combiner 17 be four-way combiner, be including three input terminals (respectively 171,172 and 173) and an output end 174,
Described in the first radio frequency converting switch 11 the first output end 112 and the second radio frequency converting switch 12 first input end 121 connect
It connects, second output terminal 113 is connect with the first input end 171 of combiner 17, third output end 114 and the 4th radio frequency converting switch
14 first input end 141, the second input terminal of the second input terminal 122 and combiner 17 of second radio frequency converting switch 12
172 connections, third input terminal 123 are connect with the output end of attenuator 18, and input terminal and the 4th radio frequency of the attenuator 18 are cut
The output end 143 for changing switch 14 connects, and the output end 133 of the third radio frequency converting switch 13 and the third in combiner 17 are defeated
Enter 173 connection of end, first input end 131 and the second input terminal 132 are connected with outside source and load respectively.
In practical applications, the output end 111 in first radio frequency converting switch 11 and the prevention at radio-frequency port on comprehensive test instrument
It connects, the second input terminal 172 in combiner 17 is connect with outside source, the second input in the 4th radio frequency converting switch 4
End 142 is connect with external spectrum instrument, the radio-frequency head of the output end 124 in the second radio frequency converting switch 12 and intercom to be tested
Mouth connection.
Described control unit 15 controls described according to the different trigger signals that the function selection unit 16 exports
One radio frequency converting switch 11, second radio frequency converting switch 12, third radio frequency converting switch 13, the 4th radio frequency converting switch 14 connect
It is logical, it is formed for testing test circuit corresponding with the trigger signal, and control the test circuit and carry out and the triggering
The test of the corresponding test item of signal.
In the present embodiment, the function selection unit 16 is specifically realized using key module, is set in key module
Set multiple digital buttons or function button, and a kind of corresponding test item of each button, during the test, tester
Member is connected by selecting to press button in button module to trigger corresponding test circuit, that is to say by selection it is different by
Button makes function selection unit 16 issue different trigger signals, and control unit 15 determines corresponding test according to the trigger signal
Circuit, and export control the first radio frequency converting switch 11, the second radio frequency converting switch 12, third radio frequency converting switch 13 and the 4th
14 upper switch of radio frequency converting switch is switched on.
In the present embodiment, the test item includes that channel inhibition test, blocking test, adjacentchannel selectivity are tested, are miscellaneous altogether
It dissipates and responds vulnerability to jamming test, intermodulation testing, the spuious test of transmitting, transmitting transient test, transmission power test, modulation sensitivity survey
At least one of examination.
In practical applications, the channel altogether inhibits test, blocking test, adjacentchannel selectivity test and spurious response anti-interference
Property tests these four test items can be realized using a kind of test circuit, but can be led to for being specifically chosen which kind of test item
The selection crossed in function selection unit 15 is realized, but being formed by circuit after selecting is same circuit structure, but its
That realizes can be different test item.
In the present embodiment, when the corresponding test item of trigger signal of the function selection unit 16 output is to believe altogether
When road inhibits at least one of test, blocking test, adjacentchannel selectivity test and spurious response immunity test, the control
Unit 15 according to the trigger signal that function selection unit 16 exports control respectively the input terminal 111 of the first radio frequency converting switch 11 with
The second input terminal 122 and output end 124 and the third radio frequency of second output terminal 113, second radio frequency converting switch 12
Switch the connection of the second input terminal 132 and output end 133 of switch 13, and forms channel together and inhibit test, blocking test, neighbour
Road selectivity test and spurious response immunity test corresponding test circuit, that is to say the first radio frequency converting switch 11 and the
Two radio frequency converting switchs 12 are switched to be connected with combiner 17, and third radio frequency converting switch 13 is switched to be connected with load.
When the corresponding test item of trigger signal of the function selection unit 16 output is intermodulation testing, the control
Unit 15 processed controls the input of first radio frequency converting switch 11 according to the trigger signal that function selection unit 16 exports respectively
End 111 and second output terminal 113, the second input terminal 122 and the output end 124 of second radio frequency converting switch 12 and described the
The connection of the first input end 131 and output end 133 of three radio frequency converting switchs 13, and form test electricity corresponding with intermodulation testing
Road that is to say and the first radio frequency converting switch 11 and the second radio frequency converting switch 12 are switched to and connected with combiner 17, and third is penetrated
Frequency switching switch 13 is switched to be connected with external signal source, realizes the mutual commissioning to intercom by the signal input of signal source
Examination.
When the test item is to emit spuious test, described control unit 15 controls institute according to the trigger signal respectively
State the second radio frequency converting switch 12 third input terminal 123 and output end 124 and the 4th radio frequency converting switch 14 second
The connection of input terminal 142 and output end 143, and test circuit corresponding with spuious test is emitted is formed, it that is to say and penetrated second
Frequency switching switch 12 is switched to be connect with attenuator 18, and the 4th radio frequency converting switch 14 is switched to and is connect with extraneous frequency spectrograph,
The test of frequency spectrum is carried out to the signal of intercom to be tested launched by frequency spectrograph.
When the test item is transmitting transient test, described control unit 15 controls institute according to the trigger signal respectively
Input terminal 111 and the third of third input terminal 113, second radio frequency converting switch 12 for stating the first radio frequency converting switch 11 are defeated
Enter the connection at end 123 with output end 124 and the first input end 141 and output end 143 of the 4th radio frequency converting switch 14, and
Corresponding test circuit is formed, that is to say that the prevention at radio-frequency port by intercom to be tested is connect with comprehensive test instrument, is treated by comprehensive test instrument
The radiofrequency signal for testing intercom carries out the test of the parameters such as receiving sensitivity, distortion and various agreements.
When the test item is at least one of transmission power test, modulation sensitivity test, described control unit
15 according to the trigger signal control respectively first radio frequency converting switch 11 input terminal 111 and the first output end 112 and
The connection of the first input end 121 and output end 124 of second radio frequency converting switch 12, and corresponding test circuit is formed,
It that is to say and be directly connected to intercom to be tested to carry out the performances such as maximum transmission power, signal modulation sensitivity in comprehensive test instrument
Test.
In the present embodiment, as shown in Fig. 2, described device further includes power module 19 and display module 20, the power supply
Module 19 is used to provide operating voltage for intercom performance testing device, provides specifically to control unit 15 and display module 20
Operating voltage, selection needs test item to be tested to tester from function selection unit 16 according to demand, and will be after selection
The detail parameters of test item are shown by display module 20 carries out real time inspection monitoring for tester, and according to display
Parameter is adjusted intercom to be tested.
It in practical applications, in the present embodiment, can also be by menu for the ease of the selection of test and monitoring
Member 16 is combined setting with display module 20, can in other words be realized using a module, such as touching display screen, leads to
It crosses and test item used is respectively displayed in the operation interface of touching display screen, then tester passes through in touching display screen
Upper carry out touch control operation, selects corresponding test item, and adjusts to the design parameter display interface of test item, greatly facilitates in this way
The testing and control of tester also further simplifies the Design of Hardware Architecture of test device.
In the present embodiment, in addition to that can realize the control of test by the function selection unit 16 with test device sheet
It except system, can also be realized by way of external control, in order to realize this function, intercom performance provided by the invention
Test device further includes communication module 21, which connect with control unit 15, and the communication module 21 is for connecing
Receive extraneous test equipment input trigger signal control first radio frequency converting switch 11, the second radio frequency converting switch 12,
Third radio frequency switches the connection for opening 13 passes, the 4th radio frequency converting switch 14, forms corresponding test circuit.
In practical applications, the communication module 21 is the communication module formed by USB/RS232 interface, passes through the communication
The PC or test and debugging equipment chain link of module 21 and outside can cooperate automatic test journey by api function process control
Sequence works, to realize the control operation of above-mentioned function selection unit 16.
As shown in figure 3, the system includes: intercommunication as described above the present invention also provides a kind of intercom test macro
Machine performance testing device 10, and the intercom 31, the comprehensive test instrument 32, that are connect respectively with the intercom performance testing device 10
One signal source 33, second signal source 34 and frequency spectrograph 35 are selected by the function of controlling in the intercom performance testing device 10
It selects unit 16 and controls the comprehensive test instrument 32, the first signal source 33, second signal source 34 and 35 output signal of frequency spectrograph to described right
Say that machine 31 is tested.
The intercom performance testing device and its system provided through the invention is tested for the property intercom, passes through institute
Control unit is stated according to the different trigger signals that the function selection unit exports to control the first radio frequency converting switch, second
The connection of radio frequency converting switch, third radio frequency converting switch and the 4th radio frequency converting switch is formed for testing and the triggering
The corresponding test circuit of signal, and the test that the test circuit carries out test item corresponding with the trigger signal is controlled, from
And it realizes and different test contents is realized using a device circuit, and the switching between different test contents passes through
Control unit directly controls being switched on for switch, avoids the problem of malfunctioning when disconnecting circuit, while also reaching
The efficiency for improving test, simplifies operating procedure, improves the quality of intercom.
The above is only a specific embodiment of the invention, not do limitation in any form to the present invention, all
Any simple modification, equivalent variations, combination or the modification that embodiment of above is made according to the technical essence of the invention, still
Belong to the protection scope of technical solution of the present invention.
Claims (10)
1. a kind of intercom performance testing device characterized by comprising the first radio frequency converting switch, the switching of the second radio frequency are opened
Pass, third radio frequency converting switch, the 4th radio frequency converting switch, control unit, function selection unit, combiner and attenuator；
First radio frequency converting switch includes an input terminal and three output ends, wherein the output end and external comprehensive survey
Instrument connection, the first input with the first input end of second radio frequency converting switch, the combiner respectively of three output ends
End is connected with the first input end of the 4th radio frequency converting switch, and the of the output end and second radio frequency converting switch
The connection of two output ends；Second input terminal of the combiner is connect with the first external signal source, and the third of the combiner is defeated
Enter end to connect with the output end of the third radio frequency converting switch；Two input terminals of the third radio frequency converting switch respectively with
External second signal source and load connection；Second input terminal of the 4th radio frequency converting switch is connect with external frequency spectrograph,
The output end of 4th radio frequency converting switch is connect with the input terminal of the attenuator, the output end of the attenuator with it is described
The input terminal of second radio frequency converting switch connects；
Described control unit is connect with the function selection unit, is believed according to the different triggerings of function selection unit output
Number come control first radio frequency converting switch, the second radio frequency converting switch, third radio frequency converting switch, the 4th radio frequency switching open
The connection of pass is formed for testing test circuit corresponding with the trigger signal, and controls the test circuit progress and institute
State the test of the corresponding test item of trigger signal.
2. intercom performance testing device according to claim 1, which is characterized in that the function selection unit is key
Module controls by selecting the different buttons in the key module and exports different trigger signals.
3. intercom performance testing device according to claim 2, which is characterized in that further include single with the control respectively
Member connection is supplied for showing the display module and communication module of the test item, and for the intercom performance testing device
The power module of electricity；
Trigger signal control first radio frequency converting switch of test equipment input of the communication module for receiving the external world,
The connection of second radio frequency converting switch, third radio frequency converting switch, the 4th radio frequency converting switch forms corresponding test circuit.
4. intercom performance testing device according to claim 1-3, which is characterized in that the test item includes
Channel inhibits test, blocking test, adjacentchannel selectivity test, spurious response immunity test, intermodulation testing, the spuious survey of transmitting altogether
At least one of examination, transmitting transient test, transmission power test, modulation sensitivity test.
5. intercom performance testing device according to claim 4, which is characterized in that if the test item is channel suppression altogether
When making at least one of test, blocking test, adjacentchannel selectivity test and spurious response immunity test, described control unit
Control the input terminal and second output terminal, second radio frequency of first radio frequency converting switch respectively according to the trigger signal
Switch the connection of the second input terminal and output end and the second input terminal and output end of the third radio frequency converting switch of switch,
And form corresponding test circuit.
6. intercom performance testing device according to claim 4, which is characterized in that if the test item is intermodulation testing
When, described control unit controls input terminal and the second output of first radio frequency converting switch according to the trigger signal respectively
It holds, the first input end of the second input terminal of second radio frequency converting switch and output end and the third radio frequency converting switch
With the connection of output end, and corresponding test circuit is formed.
7. intercom performance testing device according to claim 4, which is characterized in that if the test item is that transmitting is spuious
When test, described control unit according to the trigger signal control respectively the third input terminal of second radio frequency converting switch with
The connection of the second input terminal and output end of output end and the 4th radio frequency converting switch, and form corresponding test circuit.
8. intercom performance testing device according to claim 4, which is characterized in that if the test item is transmitting transient state
When test, described control unit controls the input terminal and third of first radio frequency converting switch according to the trigger signal respectively
Output end, second radio frequency converting switch third input terminal and output end and the 4th radio frequency converting switch it is first defeated
Enter the connection of end and output end, and forms corresponding test circuit.
9. intercom performance testing device according to claim 4, which is characterized in that if the test item is transmission power
When at least one of test, modulation sensitivity test, described control unit controls described the according to the trigger signal respectively
The first input end and output end of the input terminal of one radio frequency converting switch and the first output end and second radio frequency converting switch
Connection, and form corresponding test circuit.
10. a kind of intercom test macro characterized by comprising such as the described in any item intercom performances of claim 1-9
Test device, and the intercom, the comprehensive test instrument, the first signal source, second that are connect respectively with the intercom performance testing device
Signal source and frequency spectrograph, by the function selection unit controlled in the intercom performance testing device control the comprehensive test instrument,
First signal source, second signal source and frequency spectrograph output signal test the intercom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811039482.6A CN109347577A (en) | 2018-09-06 | 2018-09-06 | A kind of intercom performance testing device and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811039482.6A CN109347577A (en) | 2018-09-06 | 2018-09-06 | A kind of intercom performance testing device and its system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109347577A true CN109347577A (en) | 2019-02-15 |
Family
ID=65304871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811039482.6A Pending CN109347577A (en) | 2018-09-06 | 2018-09-06 | A kind of intercom performance testing device and its system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109347577A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092859A (en) * | 2021-04-01 | 2021-07-09 | 北京航天计量测试技术研究所 | Switch matrix |
| CN114665988A (en) * | 2022-05-24 | 2022-06-24 | 龙旗电子(惠州)有限公司 | Antenna circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020196029A1 (en) * | 2001-06-22 | 2002-12-26 | Schmidt Dominik J. | Systems and methods for testing wireless devices |
| CN102025429A (en) * | 2010-10-27 | 2011-04-20 | 北京邮电大学 | Radio frequency switching unit capable of being used for automatic testing of WCDMA (Wideband Code Division Multiple Access) /GSM (Global System for Mobile Communication) terminal radio frequency |
| CN103051393A (en) * | 2012-11-29 | 2013-04-17 | 国家无线电监测中心检测中心 | Method and device for radio frequency test of wireless communication terminal of private network |
| US20140194084A1 (en) * | 2005-07-14 | 2014-07-10 | Binj Laboratories, Inc. | Systems and Methods for Detecting and Controlling Transmission Devices |
| CN206402237U (en) * | 2017-02-08 | 2017-08-11 | 福州博讯通电子有限公司 | A kind of highly integrated intercom detecting system |
-
2018
- 2018-09-06 CN CN201811039482.6A patent/CN109347577A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020196029A1 (en) * | 2001-06-22 | 2002-12-26 | Schmidt Dominik J. | Systems and methods for testing wireless devices |
| US20140194084A1 (en) * | 2005-07-14 | 2014-07-10 | Binj Laboratories, Inc. | Systems and Methods for Detecting and Controlling Transmission Devices |
| CN102025429A (en) * | 2010-10-27 | 2011-04-20 | 北京邮电大学 | Radio frequency switching unit capable of being used for automatic testing of WCDMA (Wideband Code Division Multiple Access) /GSM (Global System for Mobile Communication) terminal radio frequency |
| CN103051393A (en) * | 2012-11-29 | 2013-04-17 | 国家无线电监测中心检测中心 | Method and device for radio frequency test of wireless communication terminal of private network |
| CN206402237U (en) * | 2017-02-08 | 2017-08-11 | 福州博讯通电子有限公司 | A kind of highly integrated intercom detecting system |
Non-Patent Citations (2)
| Title |
|---|
| 宋国伟: "数字对讲机射频一致性测试系统研究与设计", 《北京邮电大学工程硕士研究生学位论文》 * |
| 樊磊: "DPMR数字对讲机射频一致性指标测试研究及自动化测试系统开发", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092859A (en) * | 2021-04-01 | 2021-07-09 | 北京航天计量测试技术研究所 | Switch matrix |
| CN114665988A (en) * | 2022-05-24 | 2022-06-24 | 龙旗电子(惠州)有限公司 | Antenna circuit |
| CN114665988B (en) * | 2022-05-24 | 2022-08-05 | 龙旗电子(惠州)有限公司 | Antenna circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106506099B (en) | A kind of device and method for digital T/R component environment experimental test | |
| CN112422182A (en) | Multifunctional debugging and testing device and method for WDM (wavelength division multiplexing) optical module | |
| CN105929279B (en) | Index testing device and method are isolated between a kind of Multi-channel microwave receiving unit road | |
| CN109347577A (en) | A kind of intercom performance testing device and its system | |
| CN106385287A (en) | Multi-channel T/R assembly testing device and method | |
| WO2023116083A1 (en) | Radio frequency high-speed switching control circuit and device | |
| CN114640406B (en) | Automatic testing device and method for multichannel radio frequency transceiver | |
| CN103094644B (en) | A kind of RF switch matrix for radio frequency products test | |
| CN106685544B (en) | Signal switching gating method between radio station and test instrument | |
| CN107566056A (en) | A kind of multichannel T/R components phase conformance testing device and method | |
| CN106130667B (en) | Protective device and method, test device for millimeter wave T/R module testing | |
| CN104683046A (en) | Method and system for testing electronic magnetic interference susceptibility of analog receiver | |
| CN214201603U (en) | Switch matrix type microwave signal testing device | |
| CN203180932U (en) | Radio frequency switching device and system | |
| CN110418369A (en) | A kind of test device | |
| CN106405272B (en) | Radio-frequency power amplifier radio frequency matrix test device | |
| CN219960590U (en) | Automatic test system | |
| CN106253997B (en) | A kind of multiband intersection cross modulation test system | |
| CN102843200A (en) | Radio frequency test device and mobile terminal test system | |
| KR101139953B1 (en) | switching apparatus for RF performance test | |
| CN111800161B (en) | Electronic equipment | |
| CN206517419U (en) | A kind of signal switching strobe unit between radio station and tester | |
| CN111487443B (en) | Measuring instrument channel expansion, physical isolation and automatic electrostatic protection system | |
| CN112947039A (en) | Test instrument switching device | |
| CN204759062U (en) | Test instrument auto -change over device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190215 |