CN103067097A - Method and device of type-approval radiation harassment test for wireless communication terminal - Google Patents

Method and device of type-approval radiation harassment test for wireless communication terminal Download PDF

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CN103067097A
CN103067097A CN2012105011817A CN201210501181A CN103067097A CN 103067097 A CN103067097 A CN 103067097A CN 2012105011817 A CN2012105011817 A CN 2012105011817A CN 201210501181 A CN201210501181 A CN 201210501181A CN 103067097 A CN103067097 A CN 103067097A
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trapper
amplifier
wireless communication
group
communication terminal
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CN103067097B (en
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李吉
王俊峰
宋起柱
王文俭
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RADIOSKY (BEIJING) TECHNOLOGY Co.,Ltd.
THE STATE RADIO MONITORING CENTER TESTING CENTER
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RADIOSKY RADIO EQUIPMENT TESTING (BEIJING) CO Ltd
STATE RADIO MONITORING CENTER TESTING CENTER
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Abstract

An embodiment of the invention provides a method and a device of a type-approval radiation harassment test for a wireless communication terminal. The method of the type-approval radiation harassment test for the wireless communication terminal main includes that according to specification and requirements of the type-approval radiation harassment test for the wireless communication terminal, a filter is connected and chosen from a filter group through a coaxial switch and / or a wave trap is connected and chosen from a wave trap group through the coaxial switch and / or an amplifier is connected and chosen from an amplifier group through the coaxial switch, and measured signals pass through the filter group, the wave trap group, and the amplifier group in turn. According to the method and the device of the type-approval radiation harassment test for the wireless communication terminal, the problem that people need to set up different test links aiming at different test specification in the process of type-approval radiation harassment test for the wireless communication terminal is overcome, and system integration of test links of all type-approval radiation harassment and radiation stray indicators of wireless communication terminal is realized.

Description

Wireless communication terminal is carried out the method and apparatus that model is checked and approved EMC emission test
Technical field
The present invention relates to the wireless communication terminal technical field of measurement and test, relate in particular to and a kind of wireless communication terminal is carried out the method and apparatus that model is checked and approved EMC emission test.
Background technology
The terminal radio frequency Auto-Test System refers to adopt computer control, automatically finish and set up conversation, link switching, signal measurement, data computing and the automatization test system that outputs test result, the radio-frequency (RF) index test and the Auto-Test System that are mainly used in wireless communication terminal are built, comprising GSM(Global System of Mobile communication, global system for mobile communications), WCDMA(Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)), CDMA(Code Division Multiple Access, code division multiple access), etc. TD-SCDMA(TimeDivision-Synchronous Code Division Multiple Access, TD SDMA)) radio-frequency (RF) index test and the Auto-Test System tower of wireless communication terminal are built.
At present, wireless communication terminal is carried out in the process of radiation disturbance and radiation dispersion test, for different test events and standard, need to adopt and manually carry respectively corresponding radio frequency link to satisfy test request, sometimes, in finishing a radio frequency testing process, need manually to carry many test links, this test mode is inefficiency not only, and manually carry test link, and can introduce measure error, affect the accuracy of test result.
Summary of the invention
Embodiments of the invention provide a kind of wireless communication terminal have been carried out the method and apparatus that model is checked and approved EMC emission test, to realize that effectively wireless communication terminal being carried out model checks and approves EMC emission test.
A kind of wireless communication terminal is carried out the method that model is checked and approved EMC emission test, comprising:
Check and approve the test specification requirement of EMC emission test according to the model of wireless communication terminal, from bank of filters, select to connect a filter by coaxial switch, and/or; From the trapper group, select to connect a trapper by coaxial switch; And/or, from the amplifier group, select to connect an amplifier by coaxial switch, the filter that comprises a plurality of different models that are connected in parallel in the described bank of filters, the trapper that comprises a plurality of different models that are connected in parallel in the described trapper group, the amplifier that comprises a plurality of different models that are connected in parallel in the described amplifier group, described bank of filters connects described trapper group, described trapper group again be connected the amplifier group and connect;
Described bank of filters receives the measured signal of the wireless communication terminal of input, described bank of filters, trapper group and amplifier group are passed through in described measured signal successively, utilize filter, trapper and/or the amplifier connected that described measured signal is processed, described amplifier group output measured signal after treatment.
A kind of wireless communication terminal is carried out the device that model is checked and approved EMC emission test, comprising:
Bank of filters, trapper group, amplifier group, and be connected the first coaxial switch that bank of filters connects, with be connected the second coaxial switch that the trapper group connects, with be connected the 3rd coaxial switch that the amplifier group connects, described bank of filters connects described trapper group, described trapper group again be connected the amplifier group and connect;
Check and approve the test specification requirement of EMC emission test according to the model of wireless communication terminal, from bank of filters, select to connect a filter by described the first coaxial switch, and/or; From the trapper group, select to connect a trapper by described the second coaxial switch; And/or, from the amplifier group, select to connect an amplifier by described the 3rd coaxial switch,
Described bank of filters receives the measured signal of the wireless communication terminal of input, described bank of filters, trapper group and amplifier group are passed through in described measured signal successively, the amplifier of connecting in the trapper of connecting in the filter of connecting in the described bank of filters, the described trapper group and/or the described amplifier group is processed described measured signal, the measured signal after described amplifier group output is processed through described device.
Can be found out by the technical scheme that the embodiment of the invention described above provides, the embodiment of the invention provides carries out model to wireless communication terminal and checks and approves the method and apparatus of EMC emission test and overcome and carry out model at wireless communication terminal and check and approve in the EMC emission test process, need the problem that manually build respectively different test links for different test specifications, realized that all models of wireless communication terminal check and approve the system integration of the test link of radiation disturbance and radiation dispersion index.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 a kind ofly carries out the structure chart that model is checked and approved the device of EMC emission test to wireless communication terminal for what the embodiment of the invention one provided;
Three filters that Fig. 2 provides for the embodiment of the invention one and the connection diagram of coaxial switch;
Six trappers that Fig. 3 provides for the embodiment of the invention one and the connection diagram of coaxial switch;
Two amplifiers that Fig. 4 provides for the embodiment of the invention one and the connection diagram of coaxial switch;
Fig. 5 is for when adopting above-mentioned three filters, six trappers, three amplifiers, and what the embodiment of the invention one provided carries out the concrete structure figure that model is checked and approved the device of EMC emission test to wireless communication terminal;
Fig. 6 a kind ofly carries out the process chart that model is checked and approved the method for EMC emission test to wireless communication terminal for what the embodiment of the invention two provided;
Embodiment
For ease of the understanding to the embodiment of the invention, be further explained explanation below in conjunction with accompanying drawing as an example of several specific embodiments example, and each embodiment does not consist of the restriction to the embodiment of the invention.
Embodiment one
This embodiment provides a kind of to wireless communication terminal carry out model check and approve EMC emission test device structure chart as shown in Figure 1, comprise following module:
Bank of filters 11, trapper group 12, amplifier group 13, and be connected the first coaxial switch 14 that bank of filters 11 connects, and be connected the second coaxial switch 15 that trapper group 12 connects, and be connected the 3rd coaxial switch 16 that amplifier group 13 connects.11 groups in described filter connects described trapper group 12, described trapper group 12 again be connected 13 groups of connections of amplifier.Described bank of filters 11 receives the measured signal of the wireless communication terminal of input, and described bank of filters 11, trapper group 12 and amplifier group 13 are passed through in described measured signal successively, the measured signal after 13 outputs of amplifier group are processed through device.
Above-mentioned bank of filters 11 comprises the filter of a plurality of different models that are connected in parallel, coaxial switch 14 is connected with each filter of being connected in the bank of filters 11, control the connection of each filter in the described bank of filters 11 and close by described the first coaxial switch, in test process, 14 of described the first coaxial switches are connected a filter or all filters are all disconnected;
Above-mentioned trapper group 12 comprises the trapper of a plurality of different models that are connected in parallel, the second coaxial switch 15 is connected with each trapper of being connected in the trapper group 12, connection by each trapper in the described trapper group 12 of described the second coaxial switch 15 control and closing, in test process, 15 of described the second coaxial switches are connected a trapper or all trappers are all disconnected;
Above-mentioned amplifier group 13 comprises the amplifier of a plurality of different models that are connected in parallel, the 3rd coaxial switch 16 is connected with each amplifier of being connected in the bank of filters 13, connection by each amplifier in the above-mentioned amplifier group 13 of described the 3rd coaxial switch 16 control and closing, in test process, 16 of described the 3rd coaxial switches are connected an amplifier or all amplifiers are all disconnected.
11 of above-mentioned bank of filters are connected connection with the trapper group, above-mentioned trapper group 12 is connected with bank of filters, amplifier group 13 connects, and 13 of above-mentioned amplifier groups are connected connection with the trapper group.
The filter of above-mentioned a plurality of different models can comprise: 1.60GHz high pass filter, 2.40GHz high pass filter and three filters of 800MHz low pass filter.
The connection diagram of above-mentioned three filters and coaxial switch as shown in Figure 2.Above-mentioned 1.60GHz high pass filter can realize that filtering is carried out in following measured signal to 1.60GHz, keeps the above measured signal of 1.60GHz and passes through smoothly filter.Above-mentioned 2.40GHz high pass filter can realize that filtering is carried out in following measured signal to 2.40GHz, keeps the above measured signal of 2.40GHz and passes through smoothly filter.Above-mentioned 800MHz low pass filter can realize that filtering is carried out in following measured signal to 800MHz, keeps the above measured signal of 800MHz and passes through smoothly filter.
The trapper of above-mentioned a plurality of different models comprises: GSM900 trapper, DCS1800 trapper, WCDMA trapper, TD2010-2025MHz trapper, TD1880-1900MHz trapper, TD1880-1920MHz trapper and 800MHz-CDMA trapper.Because what the model of wireless communication terminal was checked and approved EMC emission test does not need to test main signal, above-mentioned various trappers are mainly used in filtering out the main signal in the measured signal, and main signal just is included within the working frequency range of above-mentioned various trappers.
The connection diagram of above-mentioned six trappers and coaxial switch as shown in Figure 3.Said GSM 900 trappers are used for eliminating the interior main signal of GSM900 frequency range of measured signal, and trapper is passed through in the measured signal that keeps other frequency range smoothly.Above-mentioned WCDMA trapper is used for eliminating the interior main signal of WCDMA frequency range of measured signal, and trapper is passed through in the measured signal that keeps other frequency range smoothly.Above-mentioned TD2010-2025MHz trapper is used for eliminating the interior main signal of TD2010-2025MHz frequency range of measured signal, and trapper is passed through in the measured signal that keeps other frequency range smoothly.Above-mentioned TD1880-1900MHz trapper is used for eliminating the interior main signal of TD1880-1900MHz frequency range of measured signal, and trapper is passed through in the measured signal that keeps other frequency range smoothly.Above-mentioned TD1880-1920MHz trapper is used for eliminating the interior main signal of TD1880-1920MHz frequency range of measured signal, and trapper is passed through in the measured signal that keeps other frequency range smoothly.Above-mentioned 800MHz-CDMA trapper is used for eliminating the interior main signal of 800MHz-CDMA frequency range of measured signal, and trapper is passed through in the measured signal that keeps other frequency range smoothly.
The amplifier of above-mentioned a plurality of different models comprises: 6.0-18.0GHz, 34dB amplifier and 0.1-6.0GHz, 27dB amplifier.The connection diagram of above-mentioned two amplifiers and coaxial switch as shown in Figure 4.Above-mentioned 6.0-18.0GHz, the 34dB amplifier effectively amplifies the measured signal in the 6.0-18.0GHz frequency range, will send into test instrumentation behind the letter after amplifying.Above-mentioned 0.1-6.0GHz, the 27dB amplifier effectively amplifies the signal in the 0.1-6.0GHz frequency range, will send into test instrumentation behind the letter after amplifying.
When adopting above-mentioned three filters, six trappers, three amplifiers, the embodiment of the invention to wireless communication terminal carry out model check and approve EMC emission test device concrete structure figure as shown in Figure 5, whole device adopts standard 4U cabinet, the 4U cabinet refers to the height of cabinet: 1U=44.5mm, 4U=178mm, the front portion of casing is provided with antennal interface, is mainly used in connecting reception antenna 1 and 2.Reception antenna 1 and reception antenna 2 are input to the measured signal of the wireless communication terminal that receives and above-mentionedly wireless communication terminal is carried out model check and approve in the device of EMC emission test, bank of filters, trapper group and the amplifier group in the device passed through in above-mentioned measured signal successively, and filter, trapper and/or the amplifier connected by coaxial switch carry out corresponding filtering, trap, amplification processing to above-mentioned measured signal.Rear portion at casing is provided with output interface, sends into test instrumentation by the measured signal that this output interface was processed said apparatus, carries out the test that model is checked and approved the radiation dispersion different systems.
Modules performance parameter, useful life and mounting means in the said apparatus not only can satisfy the radiation disturbance such as GB9254, GB19483 and radiation dispersion class standard and China's wireless device model and check and approve in the test related request about the radiation dispersion test; and can also carry out necessary protection to test instrumentation, avoid because of overheated radio-frequency power, direct current is instantaneous and static discharge is damaged.
Embodiment two
Based on above-mentioned device shown in Figure 1, this embodiment provides a kind of to wireless communication terminal carry out model check and approve EMC emission test method handling process as shown in Figure 6, comprise following handling process:
Step 61, form bank of filters by a plurality of filters, a plurality of trappers form the trapper groups, and a plurality of amplifiers form the amplifier groups.
The filter of a plurality of different models is connected in parallel, form bank of filters, the first coaxial switch is connected with each filter of being connected in the bank of filters, control the connection of each filter and close by described the first coaxial switch, in test process, described the first coaxial switch is only connected a filter or all filters is all disconnected;
The trapper of a plurality of different models is connected in parallel, form the trapper group, the second coaxial switch is connected with each trapper of being connected in the trapper group, control the connection of each trapper and close by described the second coaxial switch, in test process, described the second coaxial switch is only connected a trapper or all trappers is all disconnected;
The amplifier of a plurality of different models is connected in parallel, form the amplifier group, the 3rd coaxial switch is connected with each amplifier of being connected in the bank of filters, control the connection of each amplifier and close by described the 3rd coaxial switch, in test process, described the 3rd coaxial switch is only connected an amplifier or all amplifiers is all disconnected.
Described bank of filters connects described trapper group, described trapper group again be connected the amplifier group and connect.
The filter of described a plurality of different models can comprise: 1.60GHz high pass filter, 2.40GHz high pass filter and 800MHz low pass filter;
The trapper of described a plurality of different models can comprise: GSM900 trapper, DCS1800 trapper, WCDMA trapper, TD2010-2025MHz trapper, TD1880-1900MHz trapper, TD1880-1920MHz trapper and 800MHz-CDMA trapper.
The amplifier of described a plurality of different models can comprise: 6.0-18.0GHz, 34dB amplifier and 0.1-6.0GHz, 27dB amplifier.
Step 62, check and approve the test specification requirement of EMC emission test according to the model of wireless communication terminal, from bank of filters, select to connect a filter by coaxial switch, and/or; From the trapper group, select to connect a trapper by coaxial switch; And/or, from the amplifier group, select to connect an amplifier by coaxial switch.
When wireless communication terminal is the GSM900 wireless communication terminal, the model of described wireless communication terminal check and approve EMC emission test test initial frequency, EOT end of test frequency, connection filter, trapper and/or amplifier contrast signal table as described in Table 1
Table 1
Figure BDA00002493304000081
Figure BDA00002493304000091
Be the wireless communication terminal of WCDMA system when wireless communication terminal, described wireless communication terminal model check and approve EMC emission test test initial frequency, EOT end of test frequency, connection filter, trapper and/or amplifier contrast signal table as described in Table 2
Table 2
Figure BDA00002493304000092
Figure BDA00002493304000101
Step 63, the filter, trapper and/or the amplifier that utilize selection to connect are processed the measured signal of described wireless communication terminal.
Above-mentioned bank of filters receives the measured signal of the wireless communication terminal of input, and described bank of filters, trapper group and amplifier group are passed through in described measured signal successively, the measured signal after the output of amplifier group is processed through device.
Bank of filters, trapper group and the amplifier group in the device passed through in above-mentioned measured signal successively, and filter, trapper and/or the amplifier connected by coaxial switch carry out corresponding filtering, trap, amplification processing to above-mentioned measured signal.Rear portion at casing is provided with instrumentation tap, sends into test instrumentation by the measured signal that this instrumentation tap was processed said apparatus, carries out the test that model is checked and approved the radiation dispersion different systems.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, and the module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
With the method for the embodiment of the invention wireless communication terminal being carried out model, to check and approve detailed process and the aforementioned means embodiment of method of EMC emission test similar, repeats no more herein.
Need manually to carry many test links in finishing a radio frequency testing process, this test mode is inefficiency not only, and manually carries test link, can introduce measure error, affects the accuracy of test result.
In sum, the embodiment of the invention provides carries out model to wireless communication terminal and checks and approves the solution that the device of EMC emission test is the professional radio-frequency radiation class testing of a compact conformation, overcome and carried out model at wireless communication terminal and check and approve in the EMC emission test process, need the problem that manually build respectively different test links for different test specifications, realized that all models of wireless communication terminal check and approve the system integration of the test link of radiation disturbance and radiation dispersion index.
The model that the embodiment of the invention has improved wireless communication terminal is checked and approved test accuracy and the testing efficiency of EMC emission test, protect simultaneously instrument because of overheated radio-frequency power, direct current is instantaneous and static discharge is damaged.
The embodiment of the invention has risen to the stage of automaticallying switch and testing with the test of manual switchover filter assembly, has improved testing efficiency, has reduced artificial error, also is that the development of following Auto-Test System radiation disturbance and radiation dispersion refers to lay a good foundation.For later more complicated automatic test provides good reference.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (11)

1. one kind is carried out the method that model is checked and approved EMC emission test to wireless communication terminal, it is characterized in that, comprising:
Check and approve the test specification requirement of EMC emission test according to the model of wireless communication terminal, from bank of filters, select to connect a filter by coaxial switch, and/or; From the trapper group, select to connect a trapper by coaxial switch; And/or, from the amplifier group, select to connect an amplifier by coaxial switch, the filter that comprises a plurality of different models that are connected in parallel in the described bank of filters, the trapper that comprises a plurality of different models that are connected in parallel in the described trapper group, the amplifier that comprises a plurality of different models that are connected in parallel in the described amplifier group, described bank of filters connects described trapper group, described trapper group again be connected the amplifier group and connect;
Described bank of filters receives the measured signal of the wireless communication terminal of input, described bank of filters, trapper group and amplifier group are passed through in described measured signal successively, utilize filter, trapper and/or the amplifier connected that described measured signal is processed, described amplifier group output measured signal after treatment.
2. according to claim 1 wireless communication terminal is carried out the method that model is checked and approved EMC emission test, it is characterized in that described method also comprises:
The filter of a plurality of different models is connected in parallel, form bank of filters, the first coaxial switch is connected with each filter of being connected in the bank of filters, control the connection of each filter and close by described the first coaxial switch, in test process, described the first coaxial switch is only connected a filter or all filters is all disconnected;
The trapper of a plurality of different models is connected in parallel, form the trapper group, the second coaxial switch is connected with each trapper of being connected in the trapper group, control the connection of each trapper and close by described the second coaxial switch, in test process, described the second coaxial switch is only connected a trapper or all trappers is all disconnected;
The amplifier of a plurality of different models is connected in parallel, form the amplifier group, the 3rd coaxial switch is connected with each amplifier of being connected in the bank of filters, control the connection of each amplifier and close by described the 3rd coaxial switch, in test process, described the 3rd coaxial switch is only connected an amplifier or all amplifiers is all disconnected.
3. according to claim 2 wireless communication terminal is carried out the method that model is checked and approved EMC emission test, it is characterized in that the filter of described a plurality of different models comprises: 1.60GHz high pass filter, 2.40GHz high pass filter and 800MHz low pass filter;
The trapper of described a plurality of different models comprises: GSM900 trapper, DCS1800 trapper, WCDMA trapper, TD2010-2025MHz trapper, TD1880-1900MHz trapper, TD1880-1920MHz trapper and 800MHz-CDMA trapper.
The amplifier of described a plurality of different models comprises: 6.0-18.0GHz, 34dB amplifier and 0.1-6.0GHz, 27dB amplifier.
According to claim 1 to 3 each described wireless communication terminal is carried out the method that model is checked and approved EMC emission test, it is characterized in that described method specifically comprises:
When described wireless communication terminal is the wireless communication terminal of global system for mobile communications GSM900, described wireless communication terminal model check and approve EMC emission test test initial frequency, EOT end of test frequency, connection filter, trapper and/or amplifier contrast signal table as described in Table 1
Table 1
Figure FDA00002493303900021
Figure FDA00002493303900031
Figure FDA00002493303900041
According to claim 1 to 3 each described wireless communication terminal is carried out the method that model is checked and approved EMC emission test, it is characterized in that described method specifically comprises:
Be the wireless communication terminal of Wideband Code Division Multiple Access (WCDMA) WCDMA system when described wireless communication terminal, described wireless communication terminal model check and approve EMC emission test test initial frequency, EOT end of test frequency, connection filter, trapper and/or amplifier contrast signal table as described in Table 2
Table 2
Figure FDA00002493303900042
Figure FDA00002493303900051
6. one kind is carried out the device that model is checked and approved EMC emission test to wireless communication terminal, it is characterized in that, comprising:
Bank of filters, trapper group, amplifier group, and be connected the first coaxial switch that bank of filters connects, with be connected the second coaxial switch that the trapper group connects, with be connected the 3rd coaxial switch that the amplifier group connects, described bank of filters connects described trapper group, described trapper group again be connected the amplifier group and connect;
Check and approve the test specification requirement of EMC emission test according to the model of wireless communication terminal, from bank of filters, select to connect a filter by described the first coaxial switch, and/or; From the trapper group, select to connect a trapper by described the second coaxial switch; And/or, from the amplifier group, select to connect an amplifier by described the 3rd coaxial switch,
Described bank of filters receives the measured signal of the wireless communication terminal of input, described bank of filters, trapper group and amplifier group are passed through in described measured signal successively, the amplifier of connecting in the trapper of connecting in the filter of connecting in the described bank of filters, the described trapper group and/or the described amplifier group is processed described measured signal, the measured signal after described amplifier group output is processed through described device.
7. according to claim 6 wireless communication terminal is carried out the device that model is checked and approved EMC emission test, it is characterized in that, described bank of filters comprises the filter of a plurality of different models that are connected in parallel, described the first coaxial switch connects with each filter of being connected in the bank of filters, described the first coaxial switch is controlled the connection of each filter in the described bank of filters and is closed, check and approve the test specification requirement of EMC emission test according to the model of wireless communication terminal, in test process, described the first coaxial switch is only connected a filter or all filters is all disconnected.
8. according to claim 6 wireless communication terminal is carried out the device that model is checked and approved EMC emission test, it is characterized in that, described trapper group comprises the trapper of a plurality of different models that are connected in parallel, described the second coaxial switch connects with each trapper of being connected in the trapper group, described the second coaxial switch is controlled the connection of each trapper in the described trapper group and is closed, check and approve the test specification requirement of EMC emission test according to the model of wireless communication terminal, in test process, described the second coaxial switch is only connected a trapper or all trappers is all disconnected.
9. according to claim 6 wireless communication terminal is carried out the device that model is checked and approved EMC emission test, it is characterized in that, described amplifier group comprises the amplifier of a plurality of different models that are connected in parallel, described the 3rd coaxial switch connects with each amplifier of being connected in the amplifier group, described the 3rd coaxial switch is controlled the connection of each amplifier in the described amplifier group and is closed, check and approve the test specification requirement of EMC emission test according to the model of wireless communication terminal, in test process, described the 3rd coaxial switch is only connected an amplifier or all amplifiers is all disconnected.
10. according to claim 6 wireless communication terminal is carried out the device that model is checked and approved EMC emission test, it is characterized in that, described device is provided with antennal interface and output interface, described antennal interface connects reception antenna, receive the measured signal of the wireless communication terminal of input, described output interface is exported the measured signal after described device is processed.
11. according to claim 6 to 10 each described wireless communication terminal is carried out the device that model is checked and approved EMC emission test, it is characterized in that the filter of described a plurality of different models comprises: 1.60GHz high pass filter, 2.40GHz high pass filter and 800MHz low pass filter;
The trapper of described a plurality of different models comprises: GSM900 trapper, DCS1800 trapper, WCDMA trapper, TD2010-2025MHz trapper, TD1880-1900MHz trapper, TD1880-1920MHz trapper and 800MHz-CDMA trapper;
The amplifier of described a plurality of different models comprises: 6.0-18.0GHz, 34dB amplifier and 0.1-6.0GHz, 27dB amplifier.
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