CN205336229U - Way amplifier is closed to LC frequency channel no. 2 - Google Patents
Way amplifier is closed to LC frequency channel no. 2 Download PDFInfo
- Publication number
- CN205336229U CN205336229U CN201521041998.6U CN201521041998U CN205336229U CN 205336229 U CN205336229 U CN 205336229U CN 201521041998 U CN201521041998 U CN 201521041998U CN 205336229 U CN205336229 U CN 205336229U
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- combiner
- amplifier
- pass filter
- capacitance
- low pass
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Abstract
The utility model discloses a way amplifier is closed to LC frequency channel no. 2, including branching unit and combiner, the branching unit with parallel connection has C frequency channel signal amplification route, 10MHz signal channel between the combiner, and the combiner still is connected with L frequency channel signal amplification route simultaneously. The beneficial effect of the utility model: the utility model discloses a three routes signal channel who sets up has smallly, and the gain is high, and characteristics that the isolation is high have good development prospect.
Description
Technical field
This utility model relates to amplifier, it particularly relates to a kind of LC frequency range two closes road amplifier。
Background technology
In satellite communication system, in order to realize the conjunction road of C and L frequency band signals, and compensate the loss in transmitting procedure of C and the L frequency band signals, also has the 10MHz signal transmission reference to provide local vibration source simultaneously, the assemblies such as C frequency band signals amplifier, L frequency range amplifier, LC combiner and 10MHz transmission are needed to realize, but realize with said modules, use procedure has the shortcoming that volume is bigger, relatively costly。
For the problem in correlation technique, effective solution is not yet proposed at present。
Utility model content
For the above-mentioned technical problem in correlation technique, the utility model proposes a kind of LC frequency range two and close road amplifier。
For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of LC frequency range two closes road amplifier, including shunt and combiner, is connected in parallel to C frequency band signals and amplifies path, 10MHz signal path between described shunt and described combiner, and combiner is also associated with L frequency band signals simultaneously and amplifies path。
Further, described C frequency band signals amplifies path and includes being sequentially connected in series between described shunt and combiner capacitance C1, π type attenuator D1, high pass filter HF1, amplifier A1, capacitance C2, amplifier A2, amplifier A3, π type attenuator D2 and capacitance C3 from shunt to combiner direction。
Further, described 10MHz signal path includes the capacitance C4, low pass filter LF1, π type attenuator D3, the low pass filter LF2 and capacitance C5 that are sequentially connected in series between described shunt and combiner from shunt to combiner direction。
Further, described L frequency band signals amplifies capacitance C7, amplifier A4, capacitance C6 and the π type attenuator D4 that path includes being sequentially connected with the input of described combiner。
Further, described splitter output is connected to low pass filter LF3, and described low pass filter LF3 outfan is also associated with manostat U1。
Preferably, described high pass filter HF1 is mini wave filter。
Preferably, described low pass filter LF1 and described low pass filter LF2 is mini wave filter。
Preferably, described low pass filter LF3 is LC wave filter。
The beneficial effects of the utility model: this utility model, by the three road signal paths arranged, has volume little, gain is high, and the feature that isolation is high has good development prospect。
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described 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 premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
Fig. 1 is that the LC frequency range two according to this utility model embodiment closes road amplifier circuit figure。
In figure:
1, first input port；2, the second input port；3, shunt；4, combiner。
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain, broadly fall into the scope of this utility model protection。
As shown in Figure 1, a kind of LC frequency range two according to this utility model embodiment closes road amplifier, including shunt 3 and combiner 4, being connected in parallel to C frequency band signals between described shunt 3 and described combiner 4 and amplify path, 10MHz signal path, combiner 4 is also associated with L frequency band signals simultaneously and amplifies path。
Described C frequency band signals amplifies path include being sequentially connected in series between described shunt 3 and combiner 4 from shunt 3 to combiner 4 direction capacitance C1, π type attenuator D1, high pass filter HF1, amplifier A1, capacitance C2, amplifier A2, amplifier A3, π type attenuator D2 and capacitance C3。
Described 10MHz signal path includes being sequentially connected in series the capacitance C4 between described shunt 3 and combiner 4, low pass filter LF1, π type attenuator D3, low pass filter LF2 and capacitance C5 from shunt 3 to combiner 4 direction。
Described L frequency band signals amplifies capacitance C7, amplifier A4, capacitance C6 and the π type attenuator D4 that path includes being sequentially connected with the input of described combiner 4。
Described shunt 3 outfan is connected to low pass filter LF3, and described low pass filter LF3 outfan is also associated with manostat U1。
Described high pass filter HF1 is mini wave filter。
Described low pass filter LF1 and described low pass filter LF2 is mini wave filter。
Described low pass filter LF3 is LC wave filter。
Understand technique scheme of the present utility model in order to convenient, below by way of in specifically used mode, technique scheme of the present utility model is described in detail。
When specifically used, road amplifier is closed according to LC frequency range two described in the utility model, its first input port 1 inputs C frequency band signals, 10MHz signal and power supply voltage signal, after shunt 3, wherein, 10MHz signal path has capacitance C4, low pass filter LF1, low pass filter LF2 and capacitance C5, makes supply voltage, C-band signal not to pass through, only 10MHz signal can transmit in this path, exports then through combiner 4；C frequency band signals amplifies path capacitance C1, high pass filter HF1, capacitance C2 and capacitance C3, power supply signal, 10MHz signal is made not to pass through, only C frequency range intermediate-freuqncy signal can be amplified at this tunnel, and π type attenuator D1, π type attenuator D2 in its path is used for controlling the gain of C frequency band signals；
Second input port 2 inputs L frequency band signals, is exported after combiner 4 closes road by amplifier A4 and C frequency band signals。
In sum, by means of technique scheme of the present utility model, this utility model, by the three road signal paths arranged, has volume little, and gain is high, and the feature that isolation is high has good development prospect。
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model。
Claims (8)
1. a LC frequency range two closes road amplifier, it is characterised in that include shunt and combiner, is connected in parallel to C frequency band signals and amplifies path, 10MHz signal path between described shunt and described combiner, and combiner is also associated with L frequency band signals simultaneously and amplifies path。
2. LC frequency range two according to claim 1 closes road amplifier, it is characterized in that, described C frequency band signals amplifies path and includes being sequentially connected in series between described shunt and combiner capacitance C1, π type attenuator D1, high pass filter HF1, amplifier A1, capacitance C2, amplifier A2, amplifier A3, π type attenuator D2 and capacitance C3 from shunt to combiner direction。
3. LC frequency range two according to claim 1 closes road amplifier, it is characterized in that, described 10MHz signal path includes the capacitance C4, low pass filter LF1, π type attenuator D3, the low pass filter LF2 and capacitance C5 that are sequentially connected in series between described shunt and combiner from shunt to combiner direction。
4. LC frequency range two according to claim 1 closes road amplifier, it is characterised in that described L frequency band signals amplifies capacitance C7, amplifier A4, capacitance C6 and the π type attenuator D4 that path includes being sequentially connected with the input of described combiner。
5. LC frequency range two according to claim 1 closes road amplifier, it is characterised in that described splitter output is connected to low pass filter LF3, and described low pass filter LF3 outfan is also associated with manostat U1。
6. LC frequency range two according to claim 2 closes road amplifier, it is characterised in that described high pass filter HF1 is mini wave filter。
7. LC frequency range two according to claim 3 closes road amplifier, it is characterised in that described low pass filter LF1 and described low pass filter LF2 is mini wave filter。
8. LC frequency range two according to claim 5 closes road amplifier, it is characterised in that described low pass filter LF3 is LC wave filter。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041998.6U CN205336229U (en) | 2015-12-15 | 2015-12-15 | Way amplifier is closed to LC frequency channel no. 2 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041998.6U CN205336229U (en) | 2015-12-15 | 2015-12-15 | Way amplifier is closed to LC frequency channel no. 2 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205336229U true CN205336229U (en) | 2016-06-22 |
Family
ID=56206979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521041998.6U Active CN205336229U (en) | 2015-12-15 | 2015-12-15 | Way amplifier is closed to LC frequency channel no. 2 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205336229U (en) |
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2015
- 2015-12-15 CN CN201521041998.6U patent/CN205336229U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |