CN205232193U - Frequency source subassembly - Google Patents
Frequency source subassembly Download PDFInfo
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- CN205232193U CN205232193U CN201521090104.2U CN201521090104U CN205232193U CN 205232193 U CN205232193 U CN 205232193U CN 201521090104 U CN201521090104 U CN 201521090104U CN 205232193 U CN205232193 U CN 205232193U
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Abstract
The utility model discloses a frequency source subassembly, divide ware, fourth merit and divide ware, a SPST, a digital control attenuator and temperature compensation attenuator A including constant temperature crystal oscillator, first merit, it is comprehensive frequently with 2~18GHZ frequently that the fourth merit divides the ware to connect constant temperature crystal oscillator, a PLVCO, the 2nd PLVCO, 5~16.7GHZ respectively, and a PLVCO still connects in the first place wave filter frequently, and a SPST is still connected to the wave filter frequently in the first place, and a SPST still connects a pi attenuator, and a pi attenuator is still connected first merit and is divided the ware, and the 2nd PLVCO still connects second point frequency wave filter. The utility model discloses frequency source subassembly has the low power dissipation, and it is low to make an uproar mutually, and the power swing is little, the multiplexed output, and the multichannel frequency combines, and the frequency isolation is high.
Description
Technical field
The utility model relates to a kind of signal processing circuit, specifically a kind of frequency source assembly.
Background technology
The utility model frequency source assembly is the novel frequency source component product of answering customer requirement and developing, can be applicable in the equipment such as radar, navigation through electronic system, radar, for its electronic signaling system provides the signal such as local oscillator, carrier wave, also can be the inspection of passage obstacle and signal is provided.
The utility model frequency source assembly has channelized frequencies to be undertaken exporting (legacy frequencies synthesizer is realized unifrequency point and exported by single port or multiport) by multi-channel port, the output signal of each port all meets the important indicator such as frequency, power, switch modulation that will just require, its power output meets fluctuation in working temperature (-40 DEG C ~+70 DEG C), working frequency range (2G ~ 18G) and is less than ± 1.5dB, and full frequency band power fluctuation is less than ± 2.0dB.
Utility model content
The purpose of this utility model is to provide a kind of frequency source assembly, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of frequency source assembly, comprise constant-temperature crystal oscillator, first power splitter, 4th power splitter, one SPST, first numerical-control attenuator and temperature compensation attenuator A, described 4th power splitter connects constant-temperature crystal oscillator respectively, one PLVCO, 2nd PLVCO, 5 ~ 16.7GHZ combines frequently and 2 ~ 18GHZ combines frequently, one PLVCO also connects first filter frequently, first frequency filter also connects a SPST, one SPST also connects a π attenuator, one π attenuator also connects the first power splitter, 2nd PLVCO also connects second point filter frequently, second point frequently filter also connects the 2nd SPST, 2nd SPST also connects the 2nd π attenuator, 2nd π attenuator also connects the second power splitter, 5 ~ 16.7GHZ frequently combines and goes back connecting valve bank of filters, switch filter group also connects the first numerical-control attenuator, first numerical-control attenuator also connects the 3rd power splitter, 2 ~ 18GHZ frequently combines and also connects Three S's PST, Three S's PST also connects the second numerical-control attenuator, second numerical-control attenuator also connects 3 power splitters, 3 power splitters also connect temperature compensation attenuator A respectively, temperature compensation attenuator B and temperature compensation attenuator C, temperature compensation attenuator A also connects the first attenuator, temperature compensation attenuator B also connects the second attenuator, temperature compensation attenuator C also connects 4 power splitters, 4 power splitters also connect the 3rd attenuator and the 4th attenuator respectively.
As preferred version of the present utility model: the frequency of described constant-temperature crystal oscillator is 50MHZ.
As preferred version of the present utility model: the frequency of a described PLVCO is 4.55GHZ.
As preferred version of the present utility model: the frequency of described 2nd PLVCO is 18.05GHZ.
Compared with prior art, the beneficial effects of the utility model are: the utility model frequency source assembly has low in energy consumption, and make an uproar mutually low, power fluctuation is little, multiple-channel output, and channelized frequencies combines, and frequency isolation degree is high.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of frequency source assembly.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of frequency source assembly, comprise constant-temperature crystal oscillator, first power splitter, 4th power splitter, one SPST, first numerical-control attenuator and temperature compensation attenuator A, described 4th power splitter connects constant-temperature crystal oscillator respectively, one PLVCO, 2nd PLVCO, 5 ~ 16.7GHZ combines frequently and 2 ~ 18GHZ combines frequently, one PLVCO also connects first filter frequently, first frequency filter also connects a SPST, one SPST also connects a π attenuator, one π attenuator also connects the first power splitter, 2nd PLVCO also connects second point filter frequently, second point frequently filter also connects the 2nd SPST, 2nd SPST also connects the 2nd π attenuator, 2nd π attenuator also connects the second power splitter, 5 ~ 16.7GHZ frequently combines and goes back connecting valve bank of filters, switch filter group also connects the first numerical-control attenuator, first numerical-control attenuator also connects the 3rd power splitter, 2 ~ 18GHZ frequently combines and also connects Three S's PST, Three S's PST also connects the second numerical-control attenuator, second numerical-control attenuator also connects 3 power splitters, 3 power splitters also connect temperature compensation attenuator A respectively, temperature compensation attenuator B and temperature compensation attenuator C, temperature compensation attenuator A also connects the first attenuator, temperature compensation attenuator B also connects the second attenuator, temperature compensation attenuator C also connects 4 power splitters, 4 power splitters also connect the 3rd attenuator and the 4th attenuator respectively.
The frequency of constant-temperature crystal oscillator is 50MHZ.The frequency of the one PLVCO is 4.55GHZ.The frequency of the 2nd PLVCO is 18.05GHZ.
Operation principle of the present utility model is: the dot frequency source two-way in frequency source assembly, is realized by frequency doubling technology, and wherein 4.55G dot frequency source have employed the realization of active frequency multiplication scheme, and the scheme that 18.05G have employed SRD realizes; Frequently source two-way is combined, all realized by PLL technology, by controlling PLL frequency synthesizer, crystal oscillator, frequency divider, loop filter, voltage controlled oscillator, making these circuit energy co-ordinations, realizing 5G ~ 16.7G and exporting with Bu Tong frequently combining of 2G ~ 18G; After frequency signal produces, by filter or switch filtering assembly, signal filtering is carried out to it, by modulation switch (SPST and power control switch are combined into), signal is modulated again, then by impedance matching circuit, attenuator circuit, last merit divides output.
Frequency source assembly is in the system of user, and two-way dot frequency source is respectively as access detection signal and initialization data signal, and two-way is frequently combined and used respectively as local oscillation frequency signal and self-inspection source signal.
Claims (4)
1. a frequency source assembly, comprise constant-temperature crystal oscillator, first power splitter, 4th power splitter, one SPST, first numerical-control attenuator and temperature compensation attenuator A, it is characterized in that, described 4th power splitter connects constant-temperature crystal oscillator respectively, one PLVCO, 2nd PLVCO, 5 ~ 16.7GHZ combines frequently and 2 ~ 18GHZ combines frequently, one PLVCO also connects first filter frequently, first frequency filter also connects a SPST, one SPST also connects a π attenuator, one π attenuator also connects the first power splitter, 2nd PLVCO also connects second point filter frequently, second point frequently filter also connects the 2nd SPST, 2nd SPST also connects the 2nd π attenuator, 2nd π attenuator also connects the second power splitter, 5 ~ 16.7GHZ frequently combines and goes back connecting valve bank of filters, switch filter group also connects the first numerical-control attenuator, first numerical-control attenuator also connects the 3rd power splitter, 2 ~ 18GHZ frequently combines and also connects Three S's PST, Three S's PST also connects the second numerical-control attenuator, second numerical-control attenuator also connects 3 power splitters, 3 power splitters also connect temperature compensation attenuator A respectively, temperature compensation attenuator B and temperature compensation attenuator C, temperature compensation attenuator A also connects the first attenuator, temperature compensation attenuator B also connects the second attenuator, temperature compensation attenuator C also connects 4 power splitters, 4 power splitters also connect the 3rd attenuator and the 4th attenuator respectively.
2. according to a kind of frequency source assembly according to claim 1, it is characterized in that, the frequency of described constant-temperature crystal oscillator is 50MHZ.
3. according to a kind of frequency source assembly according to claim 1, it is characterized in that, the frequency of a described PLVCO is 4.55GHZ.
4. according to a kind of frequency source assembly according to claim 1, it is characterized in that, the frequency of described 2nd PLVCO is 18.05GHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521090104.2U CN205232193U (en) | 2015-12-24 | 2015-12-24 | Frequency source subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521090104.2U CN205232193U (en) | 2015-12-24 | 2015-12-24 | Frequency source subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205232193U true CN205232193U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521090104.2U Expired - Fee Related CN205232193U (en) | 2015-12-24 | 2015-12-24 | Frequency source subassembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN205232193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452472A (en) * | 2016-06-22 | 2017-02-22 | 安徽天兵电子科技有限公司 | X-wave band reception module of modular microwave assembly |
| CN107241092A (en) * | 2017-06-22 | 2017-10-10 | 安徽四创电子股份有限公司 | A kind of frequency electromagnetic waves physiotherapy equipment |
-
2015
- 2015-12-24 CN CN201521090104.2U patent/CN205232193U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452472A (en) * | 2016-06-22 | 2017-02-22 | 安徽天兵电子科技有限公司 | X-wave band reception module of modular microwave assembly |
| CN107241092A (en) * | 2017-06-22 | 2017-10-10 | 安徽四创电子股份有限公司 | A kind of frequency electromagnetic waves physiotherapy equipment |
| CN107241092B (en) * | 2017-06-22 | 2023-10-27 | 安徽四创电子股份有限公司 | High-frequency electromagnetic wave physiotherapy instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20181224 |