CN104539249B - A kind of multi channel signals are multiplexed amplifying circuit - Google Patents
A kind of multi channel signals are multiplexed amplifying circuit Download PDFInfo
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- CN104539249B CN104539249B CN201410846166.5A CN201410846166A CN104539249B CN 104539249 B CN104539249 B CN 104539249B CN 201410846166 A CN201410846166 A CN 201410846166A CN 104539249 B CN104539249 B CN 104539249B
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- signal
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- branch apparatus
- signal branch
- shunt
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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 kind of multi channel signals to be multiplexed amplifying circuit, the the first signal branch apparatus inputted including signal from its common port, the secondary signal branch apparatus that wherein any one branch end is connected with any one branch end of the first signal branch apparatus, the amplification control link being connected with the common port of secondary signal branch apparatus, common port and the amplification control signal branch apparatus of link connection the 3rd, the 4th signal branch apparatus that wherein any one branch end is connected with any one branch end of the 3rd signal branch apparatus, any one branch end of remaining of 4th signal branch apparatus is also connected with remaining any one branch end of secondary signal branch apparatus, any one branch end of remaining of 3rd signal branch apparatus is also connected with remaining any one branch end of the first signal branch apparatus.The characteristic of the invention for flexibly using shunt, the effect of multichannel while amplification is realized with an amplification link, small product size is reduced, reduces product cost and production difficulty.
Description
Technical field
The present invention relates to a kind of multi channel signals to be multiplexed amplifying circuit, belongs to multi channel signals amplification sector.
Background technology
Multiplexing technology is to adapt to the continuous growth of communication network transmission capacity and meet network interactivity, requirement on flexibility
And it is caused, including ETDM Electrical TDM, Optical Time Division Multiplexing, OWDM and subcarrier multiplexing etc., so far, practical journey
Degree highest OWDM is transmitted the signal multiplexing of different wave length on an optical fiber, makes full use of bandwidth of an optical fiber to carry out
The transparent transmission of vast capacity, make transmission capacity than several times even tens times of Single wavelength transmission increase.
And in the transmitting procedure of signal, it is often necessary to amplify signal, be subject in transmitting procedure with to reduce signal
Loss, multi channel signals amplifying technique can be used for telephone channel, data channel separation, radio-frequency channel separation, path channels separation
Etc. in system, but there is individually amplification link on existing multi channel signals amplifying technique, Dou Shimei roads so that small product size
Become big, cost is high, production difficulty increases, product complexity is high.
The content of the invention
The invention provides a kind of multi channel signals to be multiplexed amplifying circuit, mainly solves existing multichannel amplifying technique all
It is that every road has individually amplification link so that small product size becomes big, cost is high, production difficulty increases, product is complicated
Spend the problem of high.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of multi channel signals are multiplexed amplifying circuit, including the first signal branch apparatus that signal inputs from its common port,
The secondary signal branch apparatus that wherein any one branch end is connected with any one branch end of the first signal branch apparatus, it is defeated
Enter the amplification control link that end is connected with the common port of secondary signal branch apparatus, common port connects with amplification control link output
The 3rd signal branch apparatus connect, wherein any one branch end are connected with any one branch end of the 3rd signal branch apparatus
The 4th signal branch apparatus, remaining any one branch end of the 4th signal branch apparatus also with secondary signal branch apparatus
Remaining any one branch end connects, and remaining any one branch end of the 3rd signal branch apparatus also fills with the first signal branch
Any one branch end of remaining put connects, and the common port of the 4th signal branch apparatus is also used for signal input.
Specifically, the first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and the 4th letter
Number branch apparatus is respectively provided with to be inputted all the way, two-way output or multiple-channel output.
In the present invention, the first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and
Four signal branch apparatus are shunt or switching switch, and the shunt is signal shunt or duplexer.
In order to further cost-effective, the signal shunt or duplexer or switching switch are 1x2 roads, i.e., using all the way
Input, two-way output, the multiplexing amplification of two channel signals can be provided simultaneously, and share an amplification control link.The letter of its structure
Single, cost is cheap.
Compared with prior art, the invention has the advantages that：
（1）The invention provides a kind of new circuit structure, controls link to realize multichannel with an amplification while amplifies
Effect, so as to reduce small product size, reduce product cost and production difficulty.
（2）The characteristic of the invention for flexibly using shunt, on the premise of not losser circuit performance, adjustment circuit signal
Trend and signal co-shunt, principle is simple, and it is easy to realize, is especially suitable for large-scale promotion use.
Brief description of the drawings
Fig. 1 is the circuit block diagram of the present invention-embodiment.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include but is not limited to
The following example.
Embodiment
As shown in figure 1, a kind of multi channel signals multiplexing amplifying circuit, including the first signal that signal inputs from its common port
The secondary signal that branch apparatus, wherein any one branch end are connected with any one branch end of the first signal branch apparatus point
Road device, the amplification control link that input is connected with the common port of secondary signal branch apparatus, common port and amplification Quality Initiative
Any one of the 3rd signal branch apparatus, wherein any one branch end and the 3rd signal branch apparatus of road output end connection
4th signal branch apparatus of branch end connection, remaining any one branch end of the 4th signal branch apparatus also with secondary signal
Any one branch end of remaining of branch apparatus connects, and remaining any one branch end of the 3rd signal branch apparatus is also with first
Any one branch end of remaining of signal branch apparatus connects, and the common port of the 4th signal branch apparatus is also used for signal input.
Above-mentioned first signal branch apparatus, secondary signal branch apparatus, the 3rd signal branch apparatus and the 4th signal branch
Device can use shunt or switching switch, shunt signal shunt or duplexer.
Shunt：Branch, combining are carried out to two kinds or two or more frequency signals.
Signal shunt：Combiner is commonly called as, power splitter, branch, combining are carried out to same signal.
Duplexer：Branch, combining are carried out to two kinds or two or more frequency signals.
Switching switch：By the control to switch, row of channels switching is entered 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 is used to have and inputted all the way, the shunt of two-way output, i.e. 1x2 shunts.
In the present embodiment, the annexation of foregoing circuit is specially further to include signal inputs from its common port the
One shunt, the second shunt that the first branch end is connected with the first branch end of the first shunt, input and the second branch
The amplification control link of the common port connection of device, common port control link output to be connected the 3rd shunt with amplification, first point
The 4th shunt that terminal is connected with the first branch end of the 3rd shunt, the second branch end of the 4th shunt also with second point
The second branch end connection of road device, the second branch end of the 3rd shunt is also connected with the second branch end of the first shunt.
Amplification control link, that is, amplify the link of control, including amplifying circuit and control circuit, its specific circuit theory
It is ripe prior art, therefore will not be described here.
The signals transmission of the present invention is as follows：
In the present embodiment, signal 1 enters from the common port of the first shunt, enters the second shunt by the first branch end
The first branch end, control link subsequently into amplification, enter back into the common port of the 3rd shunt, then entered by the first branch end
First branch end of the 4th shunt, then from the common port output signal 1 of the 4th shunt；
Signal 2 enters from the common port of the 4th shunt, and the second branch end of the second shunt is entered by the second branch end,
Link is controlled subsequently into amplification, enters back into the common port of the 3rd shunt, enters the of the first shunt by the second branch end
Two branch ends, then from the common port output signal 2 of the first shunt.
As described above, the present invention flexibly uses the characteristic of shunt, so as on the premise of not losser circuit performance, adjust
The trend and signal co-shunt of circuit signal, realizing signal can simultaneously bi-directionally transmit（Duplex）, realize multichannel and only use
The purpose of one amplification control link, so as to reduce the volume of product, reduces product cost and production difficulty.
According to above-described embodiment, the present invention can be realized well.What deserves to be explained is before based on said structure design
Put, to solve same technical problem, some made in the present invention are used without substantial change or polishing
Technical scheme essence still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (3)
1. a kind of multi channel signals are multiplexed amplifying circuit, it is characterised in that including signal from its common port input/output first
The second letter that signal branch apparatus, wherein any one branch end are connected with any one branch end of the first signal branch apparatus
Number branch apparatus, the amplification control link that input is connected with the common port of secondary signal branch apparatus, common port are controlled with amplification
3rd signal branch apparatus of link output connection processed, wherein any one branch end are any one with the 3rd signal branch apparatus
4th signal branch apparatus of individual branch end connection, remaining any one branch end of the 4th signal branch apparatus are also believed with second
Remaining any one branch end connection of number branch apparatus, remaining any one branch end of the 3rd signal branch apparatus is also with the
Any one branch end of remaining of one signal branch apparatus connects, and it is defeated that the common port of the 4th signal branch apparatus is also used for signal
Enter/export.
A kind of 2. multi channel signals multiplexing amplifying circuit according to claim 1, it is characterised in that the signal branch dress
Put with inputting all the way, two-way exports.
3. a kind of multi channel signals multiplexing amplifying circuit according to claim 1-2 any one, it is characterised in that described
Signal branch apparatus is shunt or switching switch, and the shunt 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104539249A CN104539249A (en) | 2015-04-22 |
| CN104539249B true CN104539249B (en) | 2018-03-13 |
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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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4259304B2 (en) * | 2003-12-05 | 2009-04-30 | 日立電線株式会社 | Optical amplification controller |
| JP5940388B2 (en) * | 2012-06-22 | 2016-06-29 | 株式会社ヴァレオジャパン | Raindrop detector |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN104539249A (en) | 2015-04-22 |
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