CN203466783U - Dual-band variable-frequency power amplifier - Google Patents
Dual-band variable-frequency power amplifier Download PDFInfo
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- CN203466783U CN203466783U CN201320490256.6U CN201320490256U CN203466783U CN 203466783 U CN203466783 U CN 203466783U CN 201320490256 U CN201320490256 U CN 201320490256U CN 203466783 U CN203466783 U CN 203466783U
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- power amplifier
- unit
- receiving element
- output
- shell
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- Y02B60/50—
Abstract
The utility model discloses a dual-band variable-frequency power amplifier, and relates to the field of electronics. The dual-band variable-frequency power amplifier comprises a power amplifier shell and an internal assembly. The power amplifier shell is sequentially provided with a power socket, a control switch, an input interface and an output interface, the internal assembly comprises a low-radiofrequency receiving unit, a high-radiofrequency receiving unit, a power amplifying unit and an output synthesizing unit, a signal interference shielding control is arranged in the output synthesizing unit, the low-radiofrequency receiving unit and the high-radiofrequency receiving unit are respectively connected with the power amplifying unit, and the power amplifying unit is connected with the output synthesizing unit. The dual-band variable-frequency power amplifier has the advantages that output power is higher than or equal to 5W, signals with different frequencies can be respectively received, the frequencies of the signals can be regulated via the power amplifying unit, the signals can be outputted via the output synthesizing unit, and the signal interference shielding control is arranged in the output synthesizing unit, so that interference frequencies and interference bands can be filtered and shielded, and the service efficiency of the power amplifier can be improved.
Description
Technical field
The utility model relates to satellite communication field, is specifically related to a kind of two-band frequency conversion power amplifier, processes and voltage amplification, then reach rear class power amplifier for the signal that signal source is transmitted.
Background technology
The world is in development, society is improving, each field is in develop rapidly, especially electronic applications, various device requires to improve constantly, and satellite communication device is also one of them, and power amplifier is the significant components of dispensing device in communication system, along with the development of telecommunication installation, the quantity of the frequency band of use increases sharply.Developed a lot of 3G standards, the feature of these standards is that the quantity of frequency band constantly increases.Along with development and the enforcement of 4G standard, the quantity of frequency band further increases.Conventionally, by the element design of telecommunication installation for operating under a plurality of different frequency bands.This is no matter where can operate under applicable frequency band in the world in order to allow, also be for by utilizing universal design to realize the saving in Design and manufacture, but traditional design or only have low frequency, only has radio frequency power amplifier, the scope of application is narrow, and receiving wave range and signal efficiency low, need constantly debugging carry out receiving wave range.Tradition amplifirer generally can only receive a kind of frequency, the file that is 201110084367.2 as application number discloses a kind of power amplifier, it comprises the series stack of power amplifier apparatus, power amplifier apparatus is parallel-connected to for receiving the amplifier in of RF input signal, and the lead-out terminal of power amplifier is connected in series to amplifier out, intermediate coupling capacitor in the series stack of power amplifier apparatus, be connected to each adjacent power amplifier installation between, it designs complicated, and receiving efficiency is not high, can only receive single-frequency.Therefore need design to make up gaps in market with not enough.
Summary of the invention
The purpose of this utility model is to provide a kind of two-band frequency conversion power amplifier, to solve the above-mentioned multinomial defect causing in prior art.
A kind of two-band frequency conversion power amplifier, comprise power amplifier shell and internal structure, described power amplifier shell is provided with outlet, control switch, input interface and output interface successively, described internal structure comprises low radio frequency receiving element, firing frequency receiving element, power amplification unit and output synthesis unit, in described output synthesis unit, be provided with signal interference shielding control, described low radio frequency receiving element is connected with described power amplification unit respectively with firing frequency receiving element, described power amplification unit is connected with described output synthesis unit, power output >=5W.
Preferably, described power amplifier shell is provided with lightning arrester.
Preferably, described power amplification unit is at least four.
Preferably, between described power amplification unit for being connected in parallel.
Preferably, described power amplifier shell is provided with louvre.
Preferably, described power amplifier shell is provided with PP coating.
Preferably, the receive frequency of described low radio frequency receiving element is 950～1450MHz.
Preferably, the receive frequency of described firing frequency receiving element is 1～2GHz.
The utility model has the advantage of: described low radio frequency receiving element is connected with described power amplification unit respectively with firing frequency receiving element, described power amplification unit is connected with described output synthesis unit, receive respectively different frequency signal, by power amplification unit, signal frequency is adjusted, through output synthesis unit output signal, meanwhile, in described output synthesis unit, be provided with signal interference shielding control, can filter shielding interfering frequency and jammr band, improve power amplifier service efficiency; Described power amplifier shell is provided with lightning arrester, can prevent that thunderstorm weather from disturbing power amplifier receive frequency and signal, extends power amplifier useful life; Described power amplification unit is at least four, strengthens signal amplifying function, reduces distortion, and circuit is simple, and debugging is convenient; Between described power amplification unit, for being connected in parallel, between each amplifying unit, be independent of each other, do not interfere with each other, even if one goes wrong and does not affect other unit and normally move, described power amplifier shell is provided with louvre, and efficiently radiates heat can be eliminated the existence of focus, and power amplifier is played to effective protective effect; Described power amplifier shell is provided with PP coating, and this material is corrosion-resistant, tension stress, and the transparent material that intensity is large, makes shell coating, unjust attractive in appearance, and shell is played to the effect of anticorrosion antidetonation.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of two-band frequency conversion power amplifier described in the utility model.
Fig. 2 is the structural representation of internal structure described in the utility model.
Fig. 3 is the structural representation of power amplification unit described in the utility model.
Wherein: 1-shell, 2-internal structure, 3-outlet, 4-control switch, 5-input interface, 6-output interface, 7-low radio frequency receiving element, 8-firing frequency receiving element, 9-power amplification unit, 10-exports synthesis unit, 11-signal interference shielding control, 12-lightning arrester, 13-louvre, 14-PP coating.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
As shown in Figure 1, a kind of two-band frequency conversion power amplifier, comprise power amplifier shell 1 and internal structure 2, described power amplifier shell is provided with outlet 3 successively, control switch 4, input interface 5 and output interface 6, as shown in Figure 2, described internal structure 2 comprises low radio frequency receiving element 7, firing frequency receiving element 8, power amplification unit 9 and output synthesis unit 10, in described output synthesis unit 10, be provided with signal interference shielding control 11, described low radio frequency receiving element 7 is connected with described power amplification unit 9 respectively with firing frequency receiving element 8, described power amplification unit 9 is connected with described output synthesis unit 10, power output >=5W, described low radio frequency receiving element is connected with described power amplification unit respectively with firing frequency receiving element, described power amplification unit is connected with described output synthesis unit, receive respectively different frequency signal, by power amplification unit, signal frequency is adjusted, through output synthesis unit output signal, simultaneously, in described output synthesis unit, be provided with signal interference shielding control, can filter shielding interfering frequency and jammr band, improve power amplifier service efficiency.
Described power amplifier shell 1 is provided with lightning arrester 12, can prevent that thunderstorm weather from disturbing power amplifier receive frequency and signal, extends power amplifier useful life.
Described power amplification unit 9 is at least four, strengthens signal amplifying function, reduces distortion, and circuit is simple, and debugging is convenient.
As shown in Figure 3, between described power amplification unit 9, for being connected in parallel, between each amplifying unit, be independent of each other, do not interfere with each other, even if one goes wrong and do not affect other unit and normally move.
It should be noted that described power amplifier shell 1 is provided with louvre 13, efficiently radiates heat can be eliminated the existence of focus, and power amplifier is played to effective protective effect.
In the present embodiment, described power amplifier shell 1 is provided with PP coating 14, and this material is corrosion-resistant, tension stress, and the transparent material that intensity is large, makes shell coating, unjust attractive in appearance, and shell is played to the effect of anticorrosion antidetonation.
In the present embodiment, the receive frequency of described low radio frequency receiving element 7 is 950～1450MHz, and the receive frequency of described firing frequency receiving element 8 is 1～2GHz, receives respectively different frequency range frequency, improves receiving efficiency.
Based on above-mentioned, described low radio frequency receiving element is connected with described power amplification unit respectively with firing frequency receiving element, described power amplification unit is connected with described output synthesis unit, receive respectively different frequency signal, by power amplification unit, signal frequency is adjusted, through output synthesis unit output signal, simultaneously, in described output synthesis unit, be provided with signal interference shielding control, can filter shielding interfering frequency and jammr band, improve power amplifier service efficiency.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.All changes within the scope of the utility model or within being equal to scope of the present utility model are all included in the utility model.
Claims (8)
1. a two-band frequency conversion power amplifier, comprise power amplifier shell and internal structure, it is characterized in that: described power amplifier shell is provided with outlet successively, control switch, input interface and output interface, described internal structure comprises low radio frequency receiving element, firing frequency receiving element, power amplification unit and output synthesis unit, in described output synthesis unit, be provided with signal interference shielding control, described low radio frequency receiving element is connected with described power amplification unit respectively with firing frequency receiving element, described power amplification unit is connected with described output synthesis unit, power output is not less than 5W.
2. a kind of two-band frequency conversion power amplifier according to claim 1, is characterized in that: described power amplifier shell is provided with lightning arrester.
3. a kind of two-band frequency conversion power amplifier according to claim 1, is characterized in that: described power amplification unit is at least 4.
4. any one two-band frequency conversion power amplifier according to claim 3, is characterized in that: between described power amplification unit for being connected in parallel.
5. a kind of two-band frequency conversion power amplifier according to claim 1, is characterized in that: described power amplifier shell is provided with louvre.
6. a kind of two-band frequency conversion power amplifier according to claim 1, is characterized in that: described power amplifier shell is provided with PP coating.
7. a kind of two-band frequency conversion power amplifier according to claim 1, is characterized in that: the receive frequency of described low radio frequency receiving element is 950～1450MHz.
8. a kind of two-band frequency conversion power amplifier according to claim 1, is characterized in that: the receive frequency of described firing frequency receiving element is 1～2GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490256.6U CN203466783U (en) | 2013-08-13 | 2013-08-13 | Dual-band variable-frequency power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490256.6U CN203466783U (en) | 2013-08-13 | 2013-08-13 | Dual-band variable-frequency power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466783U true CN203466783U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320490256.6U Expired - Fee Related CN203466783U (en) | 2013-08-13 | 2013-08-13 | Dual-band variable-frequency power amplifier |
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| CN (1) | CN203466783U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022743A (en) * | 2014-05-30 | 2014-09-03 | 桐城运城制版有限公司 | Multiband variable-frequency power amplifier |
| CN104716973A (en) * | 2015-03-02 | 2015-06-17 | 刘书雄 | Mobile signal filter |
| CN109922392A (en) * | 2019-03-14 | 2019-06-21 | 安徽天兵电子科技股份有限公司 | A kind of double-form amplifirer |
-
2013
- 2013-08-13 CN CN201320490256.6U patent/CN203466783U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022743A (en) * | 2014-05-30 | 2014-09-03 | 桐城运城制版有限公司 | Multiband variable-frequency power amplifier |
| CN104716973A (en) * | 2015-03-02 | 2015-06-17 | 刘书雄 | Mobile signal filter |
| CN109922392A (en) * | 2019-03-14 | 2019-06-21 | 安徽天兵电子科技股份有限公司 | A kind of double-form amplifirer |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20150813 |
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| EXPY | Termination of patent right or utility model |