CN109347493A - A kind of answering machine simulator depth self-checking circuit - Google Patents
A kind of answering machine simulator depth self-checking circuit Download PDFInfo
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- CN109347493A CN109347493A CN201811399083.0A CN201811399083A CN109347493A CN 109347493 A CN109347493 A CN 109347493A CN 201811399083 A CN201811399083 A CN 201811399083A CN 109347493 A CN109347493 A CN 109347493A
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- frequency
- self
- signal
- microwave switch
- modulator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
-
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of answering machine simulator depth self-checking circuits, comprising: signal processor, modulator, frequency synthesis, high-frequency model, ifd module, microwave switch A, microwave switch B, circulator.Circuit of the invention is consistent with the module used when work in self-test, all applies to signal processor, modulator, high-frequency model, ifd module, frequency synthesis, and the function that each module plays is consistent.The circuitry self test can be completed all to greatly reinforce each detection for using module at work than previous circuitry self test range, depth, meanwhile, it can be applied to the answering machine simulator of different communication system, it is applied widely.
Description
Technical field
The present invention relates to self-checking circuit more particularly to a kind of answering machine simulator depth self-checking circuits.
Background technique
Traditional answering machine simulator self-checking function is only able to verify that the correctness of the basic functions such as in-line power, clock, nothing
Whether the function that method depth verifies simulator modules is normal, this is resulted in when system is closed and tests, may by simulator
The potential problems of appearance add to entire test macro, increase system risk.
Summary of the invention
In view of the above technical problems, it is an object of that present invention to provide a kind of answering machine simulator depth self-checking circuits, solve
The problem of modules function cannot be self-detected.
A kind of answering machine simulator depth self-checking circuit, comprising: signal processor, modulator, frequency synthesis, high frequency mould
Block, ifd module, microwave switch A, microwave switch B, circulator.
Further, the input terminal of the output termination modulator of signal processor, modulator output connect microwave switch input
End, a gating mouth of microwave switch A connect circulator input terminal, another gating mouth connects a gating mouth of microwave switch B,
Another gating mouth of microwave switch B connects circulator output end, and the output of microwave switch B terminates the input terminal of high-frequency model,
High-frequency model output termination ifd module input terminal, ifd module export the input terminal for connecing signal processor, and frequency synthesis generates
Three local oscillator output ends connect modulator, high-frequency model, ifd module respectively.
Further, when simulator works, signal processor transmission upstream data baseband signal to modulator, meanwhile, frequency
Rate structure adjusting uplink local frequency is that uplink sends frequency point, and the simulation of modulator up-conversion generates uplink microwave signal, and microwave is opened
A gating connection circulator input terminal is closed, meanwhile, microwave switch B gating connection circulator output end, answering machine downlink signal is through height
Frequency module, ifd module lower side frequency to intermediate-freuqncy signal are input to signal processor, complete signal demodulation.
Further, when simulator self-test, signal processor transmission downlink data baseband signal to modulator, meanwhile, frequency
Rate structure adjusting uplink local frequency is downlink reception frequency point, and the simulation of modulator up-conversion generates downlink microwave signal, and microwave is opened
The gating mouth of A gating connection microwave switch B is closed, meanwhile, the gating mouth of microwave switch B gating connection microwave switch A, under simulation
Row signal is input to signal processor through high-frequency model, ifd module lower side frequency to intermediate-freuqncy signal, completes signal demodulation.
The circuit is consistent with the module used when work in self-test, all applies to signal processor, modulator, high frequency mould
Block, ifd module, frequency synthesis, and the function that each module plays is consistent.The circuitry self test can be completed to each in work
Using the detection of module when making, all greatly reinforced than previous circuitry self test range, depth, meanwhile, it can be applied to different communication
The answering machine simulator of system, it is applied widely.
Detailed description of the invention
Fig. 1 is answering machine simulator depth self-checking circuit composition schematic diagram of the present invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
A kind of answering machine simulator depth self-checking circuit of the invention is as shown in Figure 1, comprising: signal processor 1, modulator
2, frequency synthesis 3, high-frequency model 4, ifd module 5, microwave switch A6, microwave switch B7, circulator 8.
The input terminal of the output termination modulator 2 of signal processor 1, the output of modulator 2 connects microwave switch A6 input terminal, micro-
A gating mouth of wave switch A6 connects 8 input terminal of circulator, another gating mouth connects a gating mouth of microwave switch B7, micro-
Another gating mouth of wave switch B7 connects 8 output end of circulator, the input of the output termination high-frequency model 4 of microwave switch B7
End, output termination 5 input terminal of ifd module of high-frequency model 4, ifd module 5 export the input terminal for connecing signal processor 1, and frequency is comprehensive
It closes three local oscillator output ends that 3 generate and connects modulator 2, high-frequency model 4, ifd module 5 respectively.
Further, when simulator works, the transmission upstream data baseband signal of signal processor 1 to modulator 2, meanwhile,
It is that uplink sends frequency point that frequency synthesis 3, which adjusts uplink local frequency, and the simulation of 2 up-conversion of modulator generates uplink microwave signal, micro-
Wave switch A6 gating connection 8 input terminal of circulator, meanwhile, microwave switch B7 gating connection 8 output end of circulator, answering machine downlink
Signal is input to signal processor 1 through high-frequency model 4,5 lower side frequency of ifd module to intermediate-freuqncy signal, completes signal demodulation.
Further, when simulator self-test, the transmission downlink data baseband signal of signal processor 1 to modulator 2, meanwhile,
It is downlink reception frequency point that frequency synthesis 3, which adjusts uplink local frequency, and the simulation of 2 up-conversion of modulator generates downlink microwave signal, micro-
The gating mouth of wave switch A6 gating connection microwave switch B7, meanwhile, the gating mouth of microwave switch B7 gating connection microwave switch A6,
The downlink signal of simulation is input to signal processor 1 through high-frequency model 4,5 lower side frequency of ifd module to intermediate-freuqncy signal, completes signal
Demodulation.
Obviously, above embodiment is only intended to clearly illustrate example, rather than the restriction to embodiment.It is right
For person of an ordinary skill in the technical field, other various forms of changes can also be made on the basis of the above description
Change or changes.There is no necessity and possibility to exhaust all the enbodiments.And obvious change extended from this
Change or change and still falls among the protection scope of the invention.
Claims (10)
1. a kind of answering machine simulator depth self-checking circuit characterized by comprising signal processor (1), modulator (2), frequency
Rate integrates (3), high-frequency model (4), ifd module (5), microwave switch A (6), microwave switch B (7), circulator (8).
2. self-checking circuit as described in claim 1, which is characterized in that described in the output end connection of the signal processor (1)
The input terminal of modulator (2).
3. self-checking circuit as described in claim 1, which is characterized in that the output end of the modulator (2) connects the microwave
The input terminal of switch A (6).
4. self-checking circuit as described in claim 1, which is characterized in that a gating mouth of the microwave switch A (6) connects described
The input terminal of circulator (8), another gating mouth connect a gating mouth of the microwave switch B (7).
5. self-checking circuit as described in claim 1, which is characterized in that another gating mouth of the microwave switch B (7) connects
The output end of the circulator (8), the output of the microwave switch B (7) terminate the input terminal of the high-frequency model (4).
6. self-checking circuit as described in claim 1, which is characterized in that the output of the high-frequency model (4) terminates the intermediate frequency
The input terminal of module (5).
7. self-checking circuit as described in claim 1, which is characterized in that the output of the ifd module (5) terminates the signal
The input terminal of processor (1).
8. self-checking circuit as described in claim 1, which is characterized in that three local oscillators output that the frequency synthesis (3) generates
End connects the modulator (2), the high-frequency model (4), the ifd module (5) respectively.
9. self-checking circuit a method as claimed in any one of claims 1-8, which is characterized in that when simulator work, the signal
Processor (1) sends upstream data baseband signal to the modulator (2), meanwhile, the frequency synthesis (3) adjusts uplink local oscillator
Frequency is that uplink sends frequency point, and modulator (2) the up-conversion simulation generates uplink microwave signal, microwave switch A (6) choosing
Lead to and connects the circulator (8) input terminal, meanwhile, microwave switch B (7) gating connects the output end of the circulator (8),
Answering machine downlink signal is then input at the signal through high-frequency model (4), ifd module (5) lower side frequency to intermediate-freuqncy signal
It manages device (1), completes signal demodulation.
10. self-checking circuit a method as claimed in any one of claims 1-8, which is characterized in that when the simulator self-test, the signal
Processor (1) sends downlink data baseband signal to the modulator (2), meanwhile, the frequency synthesis (3) adjusts uplink local oscillator
Frequency is downlink reception frequency point, and modulator (2) the up-conversion simulation generates downlink microwave signal, microwave switch A (6) choosing
Lead to the gating mouth for meeting microwave switch B (7), meanwhile, the gating mouth of microwave switch B (7) gating connection microwave switch A (6),
The downlink signal of simulation is then input to the letter through the high-frequency model (4), ifd module (5) lower side frequency to intermediate-freuqncy signal
Number processor (1) completes signal demodulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399083.0A CN109347493A (en) | 2018-11-22 | 2018-11-22 | A kind of answering machine simulator depth self-checking circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399083.0A CN109347493A (en) | 2018-11-22 | 2018-11-22 | A kind of answering machine simulator depth self-checking circuit |
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| Publication Number | Publication Date |
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| CN109347493A true CN109347493A (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811399083.0A Pending CN109347493A (en) | 2018-11-22 | 2018-11-22 | A kind of answering machine simulator depth self-checking circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780267A (en) * | 2019-10-31 | 2020-02-11 | 四川九洲空管科技有限责任公司 | Self-checking method for receiving and transmitting channel of navigation management inquiry response simulator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6895229B2 (en) * | 2000-04-11 | 2005-05-17 | Nokia Mobile Phones Ltd. | Receiver arrangement for receiving frequency-modulated radio signals and methods of adapting and testing a receiving branch of the receiver arrangement |
| CN201600448U (en) * | 2010-01-22 | 2010-10-06 | 南京誉葆科技有限公司 | MWW (millimeter wave) coherent seeker front end device |
| CN201600449U (en) * | 2009-12-30 | 2010-10-06 | 南京誉葆科技有限公司 | Front end device for integrated microwave altimeter |
| CN106230526A (en) * | 2016-07-29 | 2016-12-14 | 维沃移动通信有限公司 | A kind of testing circuit, detection method and mobile terminal |
-
2018
- 2018-11-22 CN CN201811399083.0A patent/CN109347493A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6895229B2 (en) * | 2000-04-11 | 2005-05-17 | Nokia Mobile Phones Ltd. | Receiver arrangement for receiving frequency-modulated radio signals and methods of adapting and testing a receiving branch of the receiver arrangement |
| CN201600449U (en) * | 2009-12-30 | 2010-10-06 | 南京誉葆科技有限公司 | Front end device for integrated microwave altimeter |
| CN201600448U (en) * | 2010-01-22 | 2010-10-06 | 南京誉葆科技有限公司 | MWW (millimeter wave) coherent seeker front end device |
| CN106230526A (en) * | 2016-07-29 | 2016-12-14 | 维沃移动通信有限公司 | A kind of testing circuit, detection method and mobile terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780267A (en) * | 2019-10-31 | 2020-02-11 | 四川九洲空管科技有限责任公司 | Self-checking method for receiving and transmitting channel of navigation management inquiry response simulator |
| CN110780267B (en) * | 2019-10-31 | 2021-06-11 | 四川九洲空管科技有限责任公司 | Self-checking method for receiving and transmitting channel of navigation management inquiry response simulator |
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Application publication date: 20190215 |
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