CN205142143U - C wave band amplifier - Google Patents
C wave band amplifier Download PDFInfo
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- CN205142143U CN205142143U CN201520781729.7U CN201520781729U CN205142143U CN 205142143 U CN205142143 U CN 205142143U CN 201520781729 U CN201520781729 U CN 201520781729U CN 205142143 U CN205142143 U CN 205142143U
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Abstract
The utility model discloses a C wave band amplifier, including branching unit and combiner, the branching unit with parallel connection has C wave band signal amplification circuit, 10MHz signal amplification route and 12V power route between the combiner. The beneficial effects of the utility model are that: reached smallly through the three routes signal channel who sets up, the isolation is high, to the phase noise of system influence characteristics such as little.
Description
Technical field
The utility model relates to microwave technical field, specifically, relates to a kind of C-band amplifier.
Background technology
At present, the signal that satellite receiver receives, carry out frequency conversion out have afterwards be also can transmit far distance could arriving signal processing terminal, in transmitting procedure, there are 10MHz signal, power supply voltage signal, intermediate-freuqncy signal, wherein 10MHz signal is mainly used for providing reference signal to receiver medium frequency source, and power supply voltage signal mainly provides power supply to receiver, and intermediate-freuqncy signal is the useful information signal that receiver receives.The 3 road longer cables of signal demand transmit, and have the loss of power in transmitting procedure, also need to add power amplifier and carry out gain compensation, the cost that such 3 road cables carry out transmitting is higher.Satellite transmitter also has similar problem.
For the problem in correlation technique, at present effective solution is not yet proposed.
Utility model content
The purpose of this utility model is to provide a kind of C-band amplifier, to overcome currently available technology above shortcomings.
The purpose of this utility model is achieved through the following technical solutions:
A kind of C-band amplifier, comprises splitter and mixer, is connected in parallel to C-band signal amplification circuit, 10MHz signal amplifies path and 12V power path between described splitter and described mixer.
Wherein, described C-band amplifying circuit comprises the capacitance one and capacitance two that are connected in series with the output of described splitter, the output of described capacitance one is connected in series with the capable attenuator of π one and the capable attenuator two of π, also be connected in series with high pass filter one and high pass filter two between the capable attenuator of described π one and the capable attenuator two of described π, between described high pass filter one and high pass filter two, be also connected in series with amplifier one and amplifier two.
Wherein, described 10MHz signal amplifies path and comprises the capacitance three and capacitance four that are connected in series with described splitter, series-type limiter one is gone back between described capacitance three and described capacitance four, the output of described amplitude limiter one is connected in series with low pass filter one, the output of described low pass filter one is connected in series with amplifier three, the output of described amplifier three is connected in series with the capable attenuator three of π, the output of the capable attenuator three of described π is connected in series with low pass filter two, the output of described low pass filter two is connected with described capacitance four.
Wherein, described 12V power path comprises the low pass filter three be connected in series with described splitter, and the output of described low pass filter three is connected in series with low pass filter four, and the output of described low pass filter four is connected with described mixer.
Further, described low pass filter three and described low pass filter four are LC filter.
The beneficial effects of the utility model are: by the three road signal paths that arrange, to reach volume little, and isolation is high, to features such as system phase noise effect are little.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the C-band amplifier circuit figure according to the utility model embodiment.
In figure:
1, splitter; 2, mixer; 3, C-band signal amplification circuit; 4,10MHz signal amplifies path; 5,12V power path; 6, capacitance one; 7, capacitance two; 8, the capable attenuator one of π; 9, the capable attenuator two of π; 10, high pass filter one; 11, high pass filter two; 12, amplifier one; 13, amplifier two; 14, capacitance three; 15, capacitance four; 16, amplitude limiter one; 17, low pass filter one; 18, amplifier three; 19, the capable attenuator three of π; 20, low pass filter two; 21, low pass filter three; 22, low pass filter four.
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, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
As shown in Figure 1, a kind of C-band amplifier according to embodiment of the present utility model, comprise splitter 1 and mixer 2, between described splitter 1 and described mixer 2, be connected in parallel to C-band signal amplification circuit 3,10MHz signal amplifies path 4 and 12V power path 5.
Wherein, continue with reference to Fig. 1, in one embodiment, described C-band amplifying circuit 3 comprises the capacitance 1 and capacitance 27 that are connected in series with the output of described splitter 1, the output of described capacitance 1 is connected in series with the capable attenuator of π 1 and the capable attenuator 29 of π, also be connected in series with high pass filter 1 and high pass filter 2 11 between the capable attenuator of described π 1 and the capable attenuator 29 of described π, between described high pass filter 1 and high pass filter 2 11, be also connected in series with amplifier 1 and amplifier 2 13.
Wherein, continue with reference to Fig. 1, in one embodiment, described 10MHz signal amplifies path 4 and comprises the capacitance 3 14 and capacitance 4 15 that are connected in series with described splitter 1, series-type limiter 1 is gone back between described capacitance 3 14 and described capacitance 4 15, the output of described amplitude limiter 1 is connected in series with low pass filter 1, the output of described low pass filter 1 is connected in series with amplifier 3 18, the output of described amplifier 3 18 is connected in series with the capable attenuator 3 19 of π, the output of the capable attenuator 3 19 of described π is connected in series with low pass filter 2 20, the output of described low pass filter 2 20 is connected with described capacitance 4 15.
Wherein, continue with reference to Fig. 1, in one embodiment, described 12V power path comprises the low pass filter 3 21 be connected in series with described splitter 1, the output of described low pass filter 3 21 is connected in series with low pass filter 4 22, and the output of described low pass filter 4 22 is connected with described mixer 2.
Wherein, described low pass filter 3 21 and described low pass filter 4 22 are LC filter.
Wherein with reference to Fig. 1, the operation principle of C-band amplifier described in the utility model is as follows: 10MHz signal amplification circuit 4,12V power path 5, C-band medium-frequency signal amplification circuit 3 have same cable to be input to C-band amplifier, after splitter 1, wherein, 10MHz signal amplifier path has capacitance, low pass filter, make supply voltage, C-band signal not by, only have 10MHz signal can transmit amplification in this path, exporting through mixer, amplitude limiter is that guard amplifier is not by power supply signal pulsing effect; C-band signal amplifies path high pass filter, capacitance, make power supply signal, 10MHz signal not by, only have C-band intermediate-freuqncy signal can amplify at this tunnel, the π type attenuator in its path is used for controlling the gain of C-band signal; 12V power path has low pass filter, only allows a direct voltage to pass through, 10MHz, C-band signal not by, simultaneously also for other two channel amplifiers provide Power supply.
In sum, by means of technique scheme of the present utility model, by the three road signal paths that arrange, to reach volume little, and isolation is high, to features such as system phase noise effect are little.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. a C-band amplifier, it is characterized in that, comprise splitter (1) and mixer (2), between described splitter (1) and described mixer (2), be connected in parallel to C-band signal amplification circuit (3), 10MHz signal amplifies path (4) and 12V power path (5).
2. C-band amplifier according to claim 1, it is characterized in that, described C-band amplifying circuit (3) comprises the capacitance one (6) and capacitance two (7) that are connected in series with the output of described splitter (1), the output of described capacitance one (6) is connected in series with the capable attenuator of π one (8) and the capable attenuator two (9) of π, high pass filter one (10) and high pass filter two (11) is also connected in series with between the capable attenuator of described π one (8) and the capable attenuator two (9) of described π, amplifier one (12) and amplifier two (13) is also connected in series with between described high pass filter one (10) and high pass filter two (11).
3. C-band amplifier according to claim 1, it is characterized in that, described 10MHz signal amplifies path (4) and comprises the capacitance three (14) and capacitance four (15) that are connected in series with described splitter (1), series-type limiter one (16) is gone back between described capacitance three (14) and described capacitance four (15), the output of described amplitude limiter one (16) is connected in series with low pass filter one (17), the output of described low pass filter one (17) is connected in series with amplifier three (18), the output of described amplifier three (18) is connected in series with the capable attenuator three (19) of π, the output of the capable attenuator three (19) of described π is connected in series with low pass filter two (20), the output of described low pass filter two (20) is connected with described capacitance four (15).
4. C-band amplifier according to claim 1, it is characterized in that, described 12V power path comprises the low pass filter three (21) be connected in series with described splitter (1), the output of described low pass filter three (21) is connected in series with low pass filter four (22), and the output of described low pass filter four (22) is connected with described mixer (2).
5. the C-band amplifier according to claim 3 or 4, is characterized in that, described low pass filter three (21) and described low pass filter four (22) are LC filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781729.7U CN205142143U (en) | 2015-10-10 | 2015-10-10 | C wave band amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781729.7U CN205142143U (en) | 2015-10-10 | 2015-10-10 | C wave band amplifier |
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| Publication Number | Publication Date |
|---|---|
| CN205142143U true CN205142143U (en) | 2016-04-06 |
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| CN201520781729.7U Active CN205142143U (en) | 2015-10-10 | 2015-10-10 | C wave band amplifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487340A (en) * | 2016-09-30 | 2017-03-08 | 中国电子科技集团公司第五十四研究所 | A kind of for the C-band high power amplifier under adverse circumstances |
| CN116667796A (en) * | 2023-07-28 | 2023-08-29 | 成都世源频控技术股份有限公司 | Power division amplifying circuit and method for improving anti-interference of reference clock signal |
-
2015
- 2015-10-10 CN CN201520781729.7U patent/CN205142143U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487340A (en) * | 2016-09-30 | 2017-03-08 | 中国电子科技集团公司第五十四研究所 | A kind of for the C-band high power amplifier under adverse circumstances |
| CN106487340B (en) * | 2016-09-30 | 2018-11-16 | 中国电子科技集团公司第五十四研究所 | A kind of C-band high power amplifier under adverse circumstances |
| CN116667796A (en) * | 2023-07-28 | 2023-08-29 | 成都世源频控技术股份有限公司 | Power division amplifying circuit and method for improving anti-interference of reference clock signal |
| CN116667796B (en) * | 2023-07-28 | 2023-10-13 | 成都世源频控技术股份有限公司 | Power division amplifying circuit and method for improving anti-interference of reference clock signal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |