CN110474652A - A kind of communication signal enhancement device - Google Patents
A kind of communication signal enhancement device Download PDFInfo
- Publication number
- CN110474652A CN110474652A CN201910882125.4A CN201910882125A CN110474652A CN 110474652 A CN110474652 A CN 110474652A CN 201910882125 A CN201910882125 A CN 201910882125A CN 110474652 A CN110474652 A CN 110474652A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
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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
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
A kind of communication signal enhancement device, including frequency selection circuit, filtering and amplifying circuit and power enhance transmit circuit, lc circuit, which is sent into, after the communication signal coupling of input terminal input carries out frequency-selecting, filter out the clutter of communication signal frequency range, amplify the input terminal for flowing into filtering and amplifying circuit by metal-oxide-semiconductor again, filtering and amplifying circuit is made of Order RC filter and ratio transport and placing device A1 in the same direction, frequency selection circuit output signal flows into transport and placing device A1 after Order RC filter process and amplifies, reach signal in communication frequency range and amplitude range, effectively improve the performance of filtering, make stabilization signal and reduces noise, power amplification is carried out to signal using triode VT1-VT3 composition multiple tube, reduce quiescent dissipation, effectively improve signal power, it is greatly enhanced to make to emit signal, it is opened with very big Value of making an offer and practical value.
Description
Technical field
The present invention relates to communication signal fields, more particularly to a kind of communication signal enhancement device.
Background technique
With the quickening of China's IT application process, Communication Engineering also achieves huge progress, modern society's production and life
The demand of information living is higher and higher, also brings the enhancing of very big challenge, especially communication signal to communication signal transmission, and believes
Number enhancing be usually associated with noise signal interference will also become larger, signal also can be unstable, logical this requires should effectively enhance
Signal strength is interrogated, while guaranteeing the Stability and veracity of communication signal again, this process needs constantly to go to optimize.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of communication signal enhancement device, tools
Have be skillfully constructed, the characteristic of human oriented design, can communication signal enhance when be effectively reduced noise, guarantee communication signal
Stability and veracity.
The technical scheme is that including that frequency selection circuit, filtering and amplifying circuit and power enhance transmit circuit, the choosing
After the communication signal that frequency circuit inputs input terminal couples, be sent into lc circuit to communication signal carry out frequency-selecting after by metal-oxide-semiconductor
Amplification output flows into the input terminal of the filtering and amplifying circuit, filtering and amplifying circuit ratio by Order RC filter and in the same direction
Example transport and placing device A1 composition, frequency selection circuit output signal flows into transport and placing device A1 after Order RC filter process and amplifies, described
Power enhancing transmit circuit receives the output signal of the filtering and amplifying circuit, is made of after coupled triode VT1-VT3 multiple
Pipe is closed to emit by signal enhancing, and by signal projector.
The frequency selection circuit includes capacitor C1, after the communication signal that capacitor C1 inputs input terminal couples, by inductance L1 and
The RC filter circuit of capacitor C2 composition carries out frequency-selecting, and the signal after frequency-selecting flows into the grid of metal-oxide-semiconductor Q1, after metal-oxide-semiconductor Q1 amplification
In its drain electrode output ,+12V power supply passes through the drain electrode of resistance R1 connection metal-oxide-semiconductor Q1, the source electrode ground connection of metal-oxide-semiconductor Q1.
The filtering and amplifying circuit includes resistance R2, resistance R3, capacitor C3 and capacitor C4, and resistance R2 and capacitor C3 form one
Rank RC filtering receives the frequency selection circuit output signal, flows into the power enhancing transmitting through single order RC filtering processing rear portion
The input terminal of circuit, another part flow into transport and placing device A1 noninverting input after resistance R3 and capacitor C4 composition Order RC filtering,
The reverse input end of transport and placing device A1 is connect with one end of one end of resistance R4 and resistance R5, the other end ground connection of resistance R4, resistance
The other end of R5 is connect with the output end of transport and placing device A1.
The power enhancing transmit circuit includes capacitor C5, and capacitor C5 is sent after coupling the output signal of filtering and amplifying circuit
The base stage for entering triode VT1 exports after triode VT1 amplification in its collector, and a part flows into the base stage of triode VT3,
Another part flows into the base stage of triode VT2 after resistance R7 partial pressure, and triode VT2, VT3 use common emitter connection by signal
Amplify and exported in collector, emitted after capacitor C6 coupling by signal projector E1, one end of resistance R6 is with triode VT2's
Base stage connection, the other end of resistance R6 connect with the collector of+12V power supply and triode VT2, the emitter of triode VT1 and
The collector connect and ground of triode VT3.
Compared with prior art, beneficial effects of the present invention are as follows:
1. being sent into lc circuit after the communication signal coupling of input terminal input carries out frequency-selecting, the clutter of communication signal frequency range is filtered out,
Amplify the input terminal for flowing into filtering and amplifying circuit by metal-oxide-semiconductor again, filtering and amplifying circuit is transported by Order RC filter and ratio in the same direction
Device A1 composition is put, frequency selection circuit output signal flows into transport and placing device A1 after Order RC filter process and amplifies, and reaches signal
Into communication frequency range and amplitude range, the performance of filtering is effectively improved, make stabilization signal and reduces noise, is had very big
Development volue and practical value.
2. carrying out power amplification to signal using triode VT1-VT3 composition multiple tube, triode VT1 carries out just signal
Step amplification, triode VT2, VT3 form common collector push-pull amplifier circuit, reduce quiescent dissipation, effectively improve signal
Power, so that transmitting signal be made to be greatly enhanced.
Detailed description of the invention
Fig. 1 is circuit module figure of the invention；
Fig. 2 is circuit diagram of the invention.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
A kind of communication signal enhancement device, including frequency selection circuit, filtering and amplifying circuit and power enhance transmit circuit, described
After the communication signal that frequency selection circuit inputs input terminal couples, be sent into lc circuit to communication signal carry out frequency-selecting after by MOS
Pipe amplification output flows into the input terminal of the filtering and amplifying circuit, and the filtering and amplifying circuit is by Order RC filter and in the same direction
Ratio transport and placing device A1 composition, frequency selection circuit output signal flow into transport and placing device A1 after Order RC filter process and amplify, institute
The output signal that power enhancing transmit circuit receives the filtering and amplifying circuit is stated, is made of after coupled triode VT1-VT3
Multiple tube emits by signal enhancing, and by signal projector.
The frequency selection circuit includes capacitor C1, since the communication signal of input is there are some clutters, in order to avoid clutter is dry
Disturb, after the communication signal coupling for being inputted input terminal using capacitor C1, the LC filter circuit that is made of inductance L1 and capacitor C2 into
Row frequency-selecting, the signal after frequency-selecting flow into the grid of metal-oxide-semiconductor Q1, and in its drain electrode output after metal-oxide-semiconductor Q1 amplification ,+12V power supply passes through
The drain electrode of resistance R1 connection metal-oxide-semiconductor Q1, the source electrode ground connection of metal-oxide-semiconductor Q1.
The filtering and amplifying circuit includes resistance R2, resistance R3, capacitor C3 and capacitor C4, resistance R2, resistance R3, capacitor C3
Order RC filter is formed with capacitor C4, it is more faint and unstable by the filtered signal of LC, using resistance R2 and capacitor
C3 forms single order RC filtering and receives the frequency selection circuit output signal, flows into the power through single order RC filtering processing rear portion
Enhance the input terminal of transmit circuit, it is in the same direction that another part flows into transport and placing device A1 after resistance R3 and capacitor C4 composition Order RC filtering
Input terminal amplifies, and reaches signal in communication frequency range and amplitude range, effectively improves the performance of filtering, makes to stablize
Signal simultaneously reduces noise, and the reverse input end of transport and placing device A1 is connect with one end of one end of resistance R4 and resistance R5, resistance R4's
Other end ground connection, the other end of resistance R5 are connect with the output end of transport and placing device A1.
The power enhancing transmit circuit includes capacitor C5, after capacitor C5 couples the filtering and amplifying circuit output signal
It is sent into the base stage of triode VT1, in order to effectively enhance communication signal, using triode VT1-VT3 composition multiple tube to signal
Power amplification is carried out, triode VT1 tentatively amplifies signal and exports in its collector, and triode VT2, VT3 composition are altogether
Collector push-pull amplifier circuit, triode VT1 amplify the base stage that rear portion flows into triode VT3, and another part is through resistance R7
After partial pressure flow into triode VT2 base stage, triode VT2, VT3 using common emitter connection by signal amplify and in collector it is defeated
Out, reduce quiescent dissipation, effectively improve signal power, most emitted after capacitor C6 coupling by signal projector E1 afterwards,
One end of resistance R6 is connect with the base stage of triode VT2, the other end of resistance R6 and the collector of+12V power supply and triode VT2
Connection, the emitter of triode VT1 and the collector connect and ground of triode VT3.
When the present invention is specifically used, in order to avoid noise jamming, the communication signal coupling for being inputted input terminal using capacitor C1
After conjunction, amplifies after the LC filter circuit progress frequency-selecting being made of inductance L1 and capacitor C2 through metal-oxide-semiconductor and export, it is filtered by LC
Signal is more faint and unstable, receives frequency selection circuit output signal, warp using resistance R2 and capacitor R3 composition single order RC filtering
The input terminal that rear portion flows into power enhancing transmit circuit is filtered in single order RC, and another part is through resistance R3 and capacitor C4 group
Transport and placing device A1 noninverting input is flowed into after filtering at Order RC to amplify, and signal is made to reach communication frequency range and amplitude range
It is interior, the performance of filtering is effectively improved, makes stabilization signal and reduces noise, using triode VT1-VT3 composition multiple tube to putting
Big filter circuit output signal carries out power amplification, and triode VT1 tentatively amplifies signal and exports in its collector, three
Pole pipe VT2, VT3 composition common collector push-pull amplifier circuit is further amplified, and reduces quiescent dissipation, effectively improves signal
Power is most emitted afterwards by signal projector E1 after capacitor C6 coupling, has very big Development volue and practical value.
The above is that further detailed description of the invention, and it cannot be said that the present invention in conjunction with specific embodiment
Specific implementation is limited only to this；Belonging to the present invention and for those skilled in the technology concerned, it is being based on skill of the present invention
Under the premise of art scheme thinking, it is made expansion and operating method, data replacement, should all fall in the scope of the present invention it
It is interior.
Claims (4)
1. a kind of communication signal enhancement device, which is characterized in that including sequentially connected frequency selection circuit, filtering and amplifying circuit and function
Rate enhances transmit circuit,
The frequency selection circuit is used to couple the communication signal that input terminal inputs, frequency-selecting and amplification export；
The filtering and amplifying circuit is for amplifying the output signal of frequency selection circuit；
The power enhancing transmit circuit is used to enhance the output signal of filtering and amplifying circuit, and is emitted by signal projector.
2. a kind of communication signal enhancement device according to claim 1, which is characterized in that the frequency selection circuit includes capacitor
After the communication signal coupling that C1, capacitor C1 input input terminal, frequency-selecting, choosing are carried out by the lc circuit that inductance L1 and capacitor C2 are formed
Signal after frequency flows into the grid of metal-oxide-semiconductor Q1, and in its drain electrode output after metal-oxide-semiconductor Q1 amplification ,+12V power supply is connected by resistance R1
Connect the drain electrode of metal-oxide-semiconductor Q1, the source electrode ground connection of metal-oxide-semiconductor Q1.
3. a kind of communication signal enhancement device according to claim 1 or claim 2, which is characterized in that the filtering and amplifying circuit packet
Resistance R2, resistance R3, capacitor C3 and capacitor C4 are included, resistance R2 and capacitor C3 composition single order RC filtering receive the output of frequency selection circuit
Signal flows into the input terminal of the power enhancing transmit circuit through single order RC filtering processing rear portion, and another part is through resistance
Transport and placing device A1 noninverting input, the reverse input end and resistance R4 of transport and placing device A1 are flowed into after R3 and capacitor C4 composition Order RC filtering
One end connected with one end of resistance R5, the other end of resistance R4 ground connection, the other end of resistance R5 and the output end of transport and placing device A1
Connection.
4. a kind of communication signal enhancement device according to claim 3, which is characterized in that the power enhances transmit circuit packet
Capacitor C5 is included, capacitor C5 is sent into the base stage of triode VT1 after coupling the output signal of filtering and amplifying circuit, through triode VT1
It is exported after amplification in its collector, a part flows into the base stage of triode VT3, and another part flows into three poles after resistance R7 partial pressure
The base stage of pipe VT2, signal is amplified using common emitter connection and is exported in collector by triode VT2, VT3, through capacitor C6 coupling
Emitted after conjunction by signal projector E1, one end of resistance R6 is connect with the base stage of triode VT2, the other end and+12V of resistance R6
Power supply is connected with the collector of triode VT2, the emitter of triode VT1 and the collector connect and ground of triode VT3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882125.4A CN110474652A (en) | 2019-09-18 | 2019-09-18 | A kind of communication signal enhancement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882125.4A CN110474652A (en) | 2019-09-18 | 2019-09-18 | A kind of communication signal enhancement device |
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| Publication Number | Publication Date |
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| CN110474652A true CN110474652A (en) | 2019-11-19 |
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ID=68516134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910882125.4A Withdrawn CN110474652A (en) | 2019-09-18 | 2019-09-18 | A kind of communication signal enhancement device |
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| Country | Link |
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| CN (1) | CN110474652A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145935A (en) * | 2020-09-18 | 2020-12-29 | 刘记贵 | Signal enhancement base for 5G communication system |
| CN113472416A (en) * | 2021-06-07 | 2021-10-01 | 惠州市特创电子科技股份有限公司 | Wireless signal amplification system based on wireless network |
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| US20050227637A1 (en) * | 2002-05-03 | 2005-10-13 | Nendick Victor L | Signal enhancement |
| CN207782780U (en) * | 2018-01-10 | 2018-08-28 | 信阳农林学院 | A kind of Computer Wireless Communication sender unit |
| CN207867740U (en) * | 2017-09-18 | 2018-09-14 | 河南建筑职业技术学院 | A kind of Chinese study teaching aid |
| CN207939504U (en) * | 2018-03-21 | 2018-10-02 | 中能东道集团有限公司 | A kind of sender unit of new-energy automobile |
| CN109257053A (en) * | 2018-11-19 | 2019-01-22 | 国网江苏省电力有限公司仪征市供电分公司 | A kind of network signal enhancement device |
| CN210405278U (en) * | 2019-09-18 | 2020-04-24 | 国网江苏省电力有限公司宝应县供电分公司 | Communication signal enhancement device |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050227637A1 (en) * | 2002-05-03 | 2005-10-13 | Nendick Victor L | Signal enhancement |
| CN207867740U (en) * | 2017-09-18 | 2018-09-14 | 河南建筑职业技术学院 | A kind of Chinese study teaching aid |
| CN207782780U (en) * | 2018-01-10 | 2018-08-28 | 信阳农林学院 | A kind of Computer Wireless Communication sender unit |
| CN207939504U (en) * | 2018-03-21 | 2018-10-02 | 中能东道集团有限公司 | A kind of sender unit of new-energy automobile |
| CN109257053A (en) * | 2018-11-19 | 2019-01-22 | 国网江苏省电力有限公司仪征市供电分公司 | A kind of network signal enhancement device |
| CN210405278U (en) * | 2019-09-18 | 2020-04-24 | 国网江苏省电力有限公司宝应县供电分公司 | Communication signal enhancement device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145935A (en) * | 2020-09-18 | 2020-12-29 | 刘记贵 | Signal enhancement base for 5G communication system |
| CN112145935B (en) * | 2020-09-18 | 2022-03-18 | 任丘市创达通讯器材有限公司 | Signal enhancement base for 5G communication system |
| CN113472416A (en) * | 2021-06-07 | 2021-10-01 | 惠州市特创电子科技股份有限公司 | Wireless signal amplification system based on wireless network |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191119 |
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| WW01 | Invention patent application withdrawn after publication |