CN104539249A - Multi-channel signal multiplex amplification circuit - Google Patents
Multi-channel signal multiplex amplification circuit Download PDFInfo
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- CN104539249A CN104539249A CN201410846166.5A CN201410846166A CN104539249A CN 104539249 A CN104539249 A CN 104539249A CN 201410846166 A CN201410846166 A CN 201410846166A CN 104539249 A CN104539249 A CN 104539249A
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- branch apparatus
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
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Abstract
The invention discloses a multi-channel signal multiplex amplification circuit which comprises a first signal branching device, a second signal branching device, an amplification control link, a third signal branching device and a fourth signal branching device. Signals are input into the first signal branching device from a common terminal of the first signal branching device, any branching end of the second signal branching device is connected with any branching end of the first signal branching device, the amplification control link is connected with the common terminal of the second signal branching device, the common terminal of the third signal branching device is connected with the amplification control link, any branching end of the fourth signal branching device is connected with any branching end of the third signal branching device, any branching end of the rest of the branching ends of the fourth signal branching device is further connected with any branching end of the rest of the branching ends of the second signal branching device, and any branching end of the rest of the branching ends of the third signal branching device is further connected with any branching end of the rest of the branching ends of the first signal branching device. According to the multi-channel signal multiplex amplification circuit, the characteristics of a branching unit are flexibly used, the effect of simultaneous amplification of multiple channels is achieved through the same amplification link, the product size is reduced, and the product cost and the production difficulty are lowered.
Description
Technical field
The present invention relates to the multiplexing amplifying circuit of a kind of multi channel signals, belong to multi channel signals amplification sector.
Background technology
Multiplex technique in order to adapt to the continuous growth of communication network transmission capacity and meet network interactivity, requirement on flexibility produces, comprise ETDM Electrical TDM, Optical Time Division Multiplexing, optical wavelength-division multiplex and subcarrier multiplexing etc., up to now, the optical wavelength-division multiplex that degree of being practical is the highest is transmitted the signal multiplexing of different wave length on an optical fiber, make full use of the transparent transmission that bandwidth of an optical fiber carries out vast capacity, make transmission capacity increase several times even tens times than Single wavelength transmission.
And in the transmitting procedure of signal, signal is usually needed to amplify, to reduce the loss that signal is subject in transmitting procedure, multi channel signals amplifying technique can be used in the systems such as telephone channel, data channel separation, radio-frequency channel separation, path channels separation, but existing multi channel signals amplifying technique, there is independent amplification link on Dou Shimei road, such that small product size becomes large, cost high, production difficulty strengthens, product complexity is high.
Summary of the invention
The invention provides the multiplexing amplifying circuit of a kind of multi channel signals, mainly solve existing multichannel amplifying technique Dou Shimei road and have independent amplification link, make the problem that small product size becomes large, cost remains high, production difficulty strengthens, product complexity is high.
To achieve these goals, the technical solution used in the present invention is as follows:
The multiplexing amplifying circuit of a kind of multi channel signals, comprise the first signal branch apparatus that signal inputs from its common port, wherein any one divides the secondary signal branch apparatus that terminal is connected with any one point of terminal of the first signal branch apparatus, the amplification control link that input is connected with the common port of secondary signal branch apparatus, the 3rd signal branch apparatus that common port is connected with amplification control link output, wherein any one divides the 4th signal branch apparatus that terminal is connected with any one point of terminal of the 3rd signal branch apparatus, all the other any one point of terminals of 4th signal branch apparatus are also connected with all the other any one point of terminals of secondary signal branch apparatus, all the other any one point of terminals of 3rd signal branch apparatus are also connected with all the other any one point of terminals of the first signal branch apparatus, the common port of the 4th signal branch apparatus also inputs for signal.
Particularly, described first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and the 4th signal branch apparatus all have a road input, and two-way exports or multiple-channel output.
In the present invention, described first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and the 4th signal branch apparatus are splitter or diverter switch, and described splitter is signal shunt or duplexer.
In order to cost-saving further, described signal shunt or duplexer or diverter switch are 1x2 road, and namely adopt a road input, two-way exports, and can provide two channel signals multiplexing amplification simultaneously, and share one and amplify control link.Its structure is simple, with low cost.
Compared with prior art, the present invention has following beneficial effect:
(1) the invention provides a kind of new circuit structure, amplify control link with one and realize the effect that multichannel amplifies simultaneously, thus reduce small product size, reduce product cost and production difficulty.
(2) the present invention applies in a flexible way the characteristic of splitter, and under the prerequisite of not losser circuit performance, the trend of Circuit tuning signal and signal co-shunt, principle is simple, realizes easily, is applicable to very much large-scale promotion and uses.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the present invention-embodiment.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, the multiplexing amplifying circuit of a kind of multi channel signals, comprise the first signal branch apparatus that signal inputs from its common port, wherein any one divides the secondary signal branch apparatus that terminal is connected with any one point of terminal of the first signal branch apparatus, the amplification control link that input is connected with the common port of secondary signal branch apparatus, the 3rd signal branch apparatus that common port is connected with amplification control link output, wherein any one divides the 4th signal branch apparatus that terminal is connected with any one point of terminal of the 3rd signal branch apparatus, all the other any one point of terminals of 4th signal branch apparatus are also connected with all the other any one point of terminals of secondary signal branch apparatus, all the other any one point of terminals of 3rd signal branch apparatus are also connected with all the other any one point of terminals of the first signal branch apparatus, the common port of the 4th signal branch apparatus also inputs for signal.
Above-mentioned first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and the 4th signal branch apparatus all can adopt splitter or diverter switch, splitter signal shunt or duplexer.
Splitter: carry out shunt to two kinds or two or more frequency signals, closes road.
Signal shunt: be commonly called as mixer, power splitter, carries out shunt to same signal, closes road.
Duplexer: carry out shunt to two kinds or two or more frequency signals, closes road.
Diverter switch: by the control to switch, carries out passage bridge to unified signal.
In the present embodiment, the first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and the 4th signal branch apparatus all adopt and have a road input, the splitter that two-way exports, i.e. 1x2 splitter.
In the present embodiment, the annexation of foregoing circuit is specially the first splitter comprising signal and input from its common port further, the second splitter that first point of terminal is connected with first point of terminal of the first splitter, the amplification control link that input is connected with the common port of the second splitter, common port is connected the 3rd splitter with amplification control link output, the 4th splitter that first point of terminal is connected with first point of terminal of the 3rd splitter, second point of terminal of the 4th splitter is also connected with second point of terminal of the second splitter, second point of terminal of the 3rd splitter is also connected with second point of terminal of the first splitter.
Amplify control link, namely amplify the link of control, comprise amplifying circuit and control circuit, its concrete circuit theory is ripe prior art, does not therefore repeat at this.
Signals transmission of the present invention is as follows:
In the present embodiment, signal 1 enters from the common port of the first splitter, first point of terminal of the second splitter is entered by first point of terminal, then amplification control link is entered, enter the common port of the 3rd splitter again, first point of terminal of the 4th splitter is entered again, then from the common port output signal 1 of the 4th splitter by first point of terminal;
Signal 2 enters from the common port of the 4th splitter, second point of terminal of the second splitter is entered by second point of terminal, then amplification control link is entered, enter the common port of the 3rd splitter again, second point of terminal of the first splitter is entered, then from the common port output signal 2 of the first splitter by second point of terminal.
As mentioned above, the present invention applies in a flexible way the characteristic of splitter, thus under the prerequisite of not losser circuit performance, the trend of Circuit tuning signal and signal co-shunt, achieving signal can simultaneously transmitted in both directions (duplex), achieve multichannel only amplifies control link object with one, thus reduce the volume of product, reduce product cost and production difficulty.
According to above-described embodiment, just the present invention can be realized well.What deserves to be explained is; under prerequisite based on said structure design, for solving same technical problem, even if some making on the invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it also should in protection scope of the present invention.
Claims (4)
1. the multiplexing amplifying circuit of multi channel signals, it is characterized in that, comprise the first signal branch apparatus that signal inputs from its common port, wherein any one divides the secondary signal branch apparatus that terminal is connected with any one point of terminal of the first signal branch apparatus, the amplification control link that input is connected with the common port of secondary signal branch apparatus, the 3rd signal branch apparatus that common port is connected with amplification control link output, wherein any one divides the 4th signal branch apparatus that terminal is connected with any one point of terminal of the 3rd signal branch apparatus, all the other any one point of terminals of 4th signal branch apparatus are also connected with all the other any one point of terminals of secondary signal branch apparatus, all the other any one point of terminals of 3rd signal branch apparatus are also connected with all the other any one point of terminals of the first signal branch apparatus, the common port of the 4th signal branch apparatus also inputs for signal.
2. the multiplexing amplifying circuit of a kind of multi channel signals according to claim 1, is characterized in that, described first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and the 4th signal branch apparatus all have a road input, and two-way exports.
3. the multiplexing amplifying circuit of a kind of multi channel signals according to claim 1, is characterized in that, described first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and the 4th signal branch apparatus all have a road input, multiple-channel output.
4. the multiplexing amplifying circuit of a kind of multi channel signals according to claim 1-3 any one, it is characterized in that, described first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and the 4th signal branch apparatus are splitter or diverter switch, and described splitter is signal shunt or duplexer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846166.5A CN104539249B (en) | 2014-12-31 | 2014-12-31 | A kind of multi channel signals are multiplexed amplifying circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846166.5A CN104539249B (en) | 2014-12-31 | 2014-12-31 | A kind of multi channel signals are multiplexed amplifying circuit |
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| Publication Number | Publication Date |
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| CN104539249A true CN104539249A (en) | 2015-04-22 |
| CN104539249B CN104539249B (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410846166.5A Active CN104539249B (en) | 2014-12-31 | 2014-12-31 | A kind of multi channel signals are multiplexed amplifying circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975659A (en) * | 2019-04-11 | 2019-07-05 | 西安福润德电子科技有限公司 | A kind of full range method of sampling of multrirange panorama signal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005167905A (en) * | 2003-12-05 | 2005-06-23 | Hitachi Cable Ltd | Control device for optical amplification |
| JP2014006092A (en) * | 2012-06-22 | 2014-01-16 | Niles Co Ltd | State detection device |
| CN203434938U (en) * | 2013-07-08 | 2014-02-12 | 吴江市同心电子科技有限公司 | Ultra-wideband high-gain low-noise amplifier |
| CN203813773U (en) * | 2014-05-07 | 2014-09-03 | 成都福兰特电子技术有限公司 | Novel aeronautical data link broadband antenna splitter |
| CN104092491A (en) * | 2014-06-23 | 2014-10-08 | 中国人民解放军理工大学 | Optical frequency comb generating device and method of photoelectric oscillator |
-
2014
- 2014-12-31 CN CN201410846166.5A patent/CN104539249B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005167905A (en) * | 2003-12-05 | 2005-06-23 | Hitachi Cable Ltd | Control device for optical amplification |
| JP2014006092A (en) * | 2012-06-22 | 2014-01-16 | Niles Co Ltd | State detection device |
| CN203434938U (en) * | 2013-07-08 | 2014-02-12 | 吴江市同心电子科技有限公司 | Ultra-wideband high-gain low-noise amplifier |
| CN203813773U (en) * | 2014-05-07 | 2014-09-03 | 成都福兰特电子技术有限公司 | Novel aeronautical data link broadband antenna splitter |
| CN104092491A (en) * | 2014-06-23 | 2014-10-08 | 中国人民解放军理工大学 | Optical frequency comb generating device and method of photoelectric oscillator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975659A (en) * | 2019-04-11 | 2019-07-05 | 西安福润德电子科技有限公司 | A kind of full range method of sampling of multrirange panorama signal |
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| CN104539249B (en) | 2018-03-13 |
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