CN109257053A - A kind of network signal enhancement device - Google Patents
A kind of network signal enhancement device Download PDFInfo
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- CN109257053A CN109257053A CN201811377978.4A CN201811377978A CN109257053A CN 109257053 A CN109257053 A CN 109257053A CN 201811377978 A CN201811377978 A CN 201811377978A CN 109257053 A CN109257053 A CN 109257053A
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- operational amplifier
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- triode
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
A kind of network signal enhancement device.There is provided it is a kind of have be skillfully constructed, be at low cost, it is ensured that the network signal enhancement device of the stability of signal.Including sequentially connected filter circuit, amplitude limiting amplifier circuit and signal intensifier circuit, the filter circuit is for being filtered network signal；The amplitude limiting amplifier circuit is used to carry out clipping output to filtered network signal；The signal intensifier circuit is used to improve the transmission power of the network signal after clipping output.In work, there are certain noise signals for the network signal of input, amplitude limiting amplifier circuit input terminal is sent into after filtering using LC, operational amplifier U1 wave reception filtering circuit output signal in amplitude limiting amplifier circuit, operational amplifier U2 is parallel on the feedback channel of operational amplifier U1 and exports signal limiter, it is sent into the signal intensifier circuit after pressure stabilizing and improves network signal transmission power, there is very big Development volue and practical value.
Description
Technical field
The present invention relates to network signal fields, more particularly to a kind of network signal enhancement device.
Background technique
With the continuous development of Communication in China network, many conveniences, cordless communication network are brought to our life
To realize that information exchange, various information can be propagated widely in free space by electromagnetic wave signal, therefore by
To the favor of people, and more and more intelligent communication equipment are also continuously increased the pressure of wireless network, then wireless network
Signal optimization is just particularly important, wherein enhancing wireless network signal is the key that optimization, the enhancing of network signal is often
Keep signal amplitude fluctuations very big, causes distorted signals, unstable.
Summary of the invention
The present invention is skillfully constructed in view of the above problems, providing one kind and having, is at low cost, it is ensured that the network of the stability of signal
Signal enhancing device.
The technical scheme is that including sequentially connected filter circuit, amplitude limiting amplifier circuit and signal intensifier circuit,
The filter circuit is for being filtered network signal；The amplitude limiting amplifier circuit is used to carry out filtered network signal
Clipping output；The signal intensifier circuit is used to improve the transmission power of the network signal after clipping output.
The filter circuit includes inductance L1, capacitor C1 and resistance R1, one end of input signal INT connection inductance L1, electricity
It is grounded after the other end connection capacitor C1 of sense L1, one end of resistance R1 is connected between inductance L1 and capacitor C1, and resistance R's 1 is another
One end connects the input terminal of the amplitude limiting amplifier circuit.
The amplitude limiting amplifier circuit includes operational amplifier U1, operational amplifier U2, resistance R2, resistance R3, capacitor C2, two
Pole pipe VD1, zener diode D1 and zener diode D2,
The reverse input end of the operational amplifier U1 receives the output signal of the filter circuit, the output of operational amplifier U1
Feedback signal a part feeds back the reverse input end to operational amplifier U1 through resistance R2, and another part flows into operational amplifier U2
Noninverting input, operational amplifier U2 more afterwards through diode VD1 flow into operational amplifier U1 reverse input end；
One end of wherein, the noninverting input ground connection of operational amplifier U1, the reverse input end of operational amplifier U2 and resistance R3,
One end of capacitor C2 is connected with the cathode of zener diode D1, and the other end of resistance R3 is connect with+12V power supply, and capacitor C2's is another
One end is connect with the anode of the output end of operational amplifier U2 and diode VD1, the plus earth of zener diode D1,
The output signal of operational amplifier U1 flows into the input terminal of the signal intensifier circuit after zener diode D2 pressure stabilizing.
The signal intensifier circuit includes resistance R4, triode VT1, triode VT2, capacitor C3 and resistance R5,
The base stage of triode VT1 is connected with the base stage of triode VT2, the output letter of one end connection amplitude limiting amplifier circuit of resistance R4
Number, the other end is connected between the base stage of both triode VT1, VT2,
The collector of triode VT1 passes through resistance R5 connection+12V power supply, the emitter of triode VT1 and the hair of triode VT2
Emitter-base bandgap grading is connected, the grounded collector of triode VT2；
Transmitting antenna ANT is connected between the emitter of both triode VT1, VT2 by capacitor C3.
Compared with prior art, beneficial effects of the present invention are as follows:
1. there are certain noise signals for the network signal of input, amplitude limiting amplifier circuit input terminal, limit are sent into after filtering using LC
Operational amplifier U1 wave reception filtering circuit output signal in width amplifying circuit, operational amplifier U2 are parallel to operational amplifier U1's
Signal limiter is exported on feedback channel, the signal intensifier circuit is sent into after pressure stabilizing and improves network signal transmission power, tool
There are very big Development volue and practical value.
2. operational amplifier U1 reverse input end wave reception filtering circuit output signal, the output feedback letter of operational amplifier U1
Number a part feeds back the reverse input end to operational amplifier U1 through resistance R2, and another part flows into the in the same direction of operational amplifier U2
Input terminal, operational amplifier U2 flow into the reverse input end of operational amplifier U1 through diode VD1 more afterwards, believe wireless network
Number enhancing while so that signal amplitude is maintained within a certain range, it is ensured that the stability of signal.
Detailed description of the invention
Fig. 1 is circuit module figure of the invention,
Fig. 2 is circuit diagram of the invention.
Specific embodiment
The present invention is as shown in Figs. 1-2, including sequentially connected filter circuit, amplitude limiting amplifier circuit and signal intensifier circuit,
The filter circuit is for being filtered network signal；The amplitude limiting amplifier circuit is used to carry out filtered network signal
Clipping output；The signal intensifier circuit is used to improve the transmission power of the network signal after clipping output.
The filter circuit includes inductance L1, capacitor C1 and resistance R1, one end of input signal INT connection inductance L1, electricity
It is grounded after the other end connection capacitor C1 of sense L1, one end of resistance R1 is connected between inductance L1 and capacitor C1, and resistance R's 1 is another
One end connects the input terminal of the amplitude limiting amplifier circuit.
After inductance L1 and capacitor C1 composition LC filter handles the network signal of input, through described in resistance R1 partial pressure feeding
The input terminal of amplitude limiting amplifier circuit.
The amplitude limiting amplifier circuit includes operational amplifier U1, operational amplifier U2, resistance R2, resistance R3, capacitor C2, two
Pole pipe VD1, zener diode D1 and zener diode D2,
The reverse input end of the operational amplifier U1 receives the output signal of the filter circuit, the output of operational amplifier U1
Feedback signal a part feeds back the reverse input end to operational amplifier U1 through resistance R2, and another part flows into operational amplifier U2
Noninverting input, operational amplifier U2 more afterwards through diode VD1 flow into operational amplifier U1 reverse input end；
One end of wherein, the noninverting input ground connection of operational amplifier U1, the reverse input end of operational amplifier U2 and resistance R3,
One end of capacitor C2 is connected with the cathode of zener diode D1, and the other end of resistance R3 is connect with+12V power supply, and capacitor C2's is another
One end is connect with the anode of the output end of operational amplifier U2 and diode VD1, the plus earth of zener diode D1,
The output signal of operational amplifier U1 flows into the input terminal of the signal intensifier circuit after zener diode D2 pressure stabilizing.
The signal intensifier circuit includes resistance R4, triode VT1, triode VT2, capacitor C3 and resistance R5,
The base stage of triode VT1 is connected with the base stage of triode VT2, the output letter of one end connection amplitude limiting amplifier circuit of resistance R4
Number, the other end is connected between the base stage of both triode VT1, VT2,
The collector of triode VT1 passes through resistance R5 connection+12V power supply, the emitter of triode VT1 and the hair of triode VT2
Emitter-base bandgap grading is connected, the grounded collector of triode VT2；
Transmitting antenna ANT is connected between the emitter of both triode VT1, VT2 by capacitor C3.
In work, resistance R4 separately flows into triode VT1 after dividing the output signal for receiving the amplitude limiting amplifier circuit
Base stage and triode VT2 base stage, through triode VT1, VT2 composition common collector amplifying circuit signal power is amplified after
It exports in the emitter of triode VT1, VT2, is launched network signal by transmitting antenna ANT after capacitor C3 coupling ,+
12V power supply passes through the collector of resistance R5 connecting triode VT1, the grounded collector of triode VT2.
In concrete application of the present invention, including filter circuit, amplitude limiting amplifier circuit and signal intensifier circuit, the filter circuit
The amplitude limiting amplifier circuit input terminal, the limited range enlargement electricity are sent into after the network signal of input port input is carried out LC filtering
Operational amplifier U1 wave reception filtering circuit output signal in road, operational amplifier U2 are parallel to the feedback channel of operational amplifier U1
On signal limiter is exported, the signal intensifier circuit is sent into after pressure stabilizing and improves network signal transmission power；
The filter circuit includes inductance L1, and there are certain noise signals for the network signal of input, using inductance L1 and capacitor
The network signal of input is filtered by C1 composition LC filter, and it is defeated to be sent into the amplitude limiting amplifier circuit through resistance R1 partial pressure
Enter end.
The amplitude limiting amplifier circuit includes operational amplifier U1, and the reverse input end of operational amplifier U1 receives the filtering
Circuit output signal, in order to avoid operational amplifier U1 causes biggish signal amplitude fluctuations when signal amplifies, using operation
Output feedback signal a part of amplifier U1 feeds back the reverse input end to operational amplifier U1, another part stream through resistance R2
The noninverting input for entering operational amplifier U2 is compared, and+12V power supply is by resistance R3 partial pressure and diode D1 pressure stabilizing in operation
Amplifier U2 reverse input end is as comparison voltage, as the output signal voltage value less-than operation amplifier U2 of operational amplifier U1
Reverse input end voltage value when, operational amplifier export negative voltage, diode VD1 cut-off, operational amplifier U2 is unlimited at this time
Width effect；When the output signal voltage value of operational amplifier U1 is greater than the reverse input end voltage value of operational amplifier U2, fortune
It calculates amplifier and exports positive voltage, diode VD1 conducting, and the output signal voltage that enough electric currents make operational amplifier U1 is provided
Value is equal to the reverse input end voltage value of operational amplifier U2, and operational amplifier U2 is in clipping state at this time, and capacitor C2 is being limited
Play frequency compensation under web state, it is ensured that the stability of amplified signal, wherein operational amplifier U2 is more afterwards through diode
VD1 flows into the reverse input end of operational amplifier U1, and the noninverting input ground connection of operational amplifier U1, operational amplifier U2's is anti-
Connect to input terminal with the cathode of one end of resistance R3, one end of capacitor C2 and zener diode D1, the other end of resistance R3 with+
The connection of 12V power supply, the other end of capacitor C2 are connect with the anode of the output end of operational amplifier U2 and diode VD1, pressure stabilizing two
The plus earth of pole pipe D1, the output signal of operational amplifier U1 flow into the signal enhancing electricity after zener diode D2 pressure stabilizing
The input terminal on road.
The signal intensifier circuit includes that resistance R4 in order to further enhance wireless network signal makes wireless network signal
There is sufficiently large transmission power, will flow into triode after the amplitude limiting amplifier circuit output signal partial pressure will be received using resistance R4
The base stage of VT1, VT2, in triode after the common collector amplifying circuit of triode VT1, VT2 composition amplifies signal power
The emitter of VT1, VT2 exports, and reach signal enhances at double, by transmitting antenna ANT by network signal after capacitor C3 coupling
Launch ,+12V power supply passes through the collector of resistance R5 connecting triode VT1, the grounded collector of triode VT2.
When the present invention is specifically used, filter circuit is sent into clipping after the network signal that input port inputs is carried out LC filtering
Operational amplifier U1 is amplified in amplifying circuit, in order to avoid operational amplifier U1 causes biggish signal when signal amplifies
Amplitude fluctuation is fed back through resistance R2 to the reversed of operational amplifier U1 using output feedback signal a part of operational amplifier U1
Input terminal, another part flow into operational amplifier U2 noninverting input be compared ,+12V power supply by resistance R3 partial pressure and
Diode D1 pressure stabilizing in operational amplifier U2 reverse input end as comparison voltage, when the output signal voltage of operational amplifier U1
When being worth the reverse input end voltage value of less-than operation amplifier U2, operational amplifier exports negative voltage, and diode VD1 ends, this
When operational amplifier U2 without clipping act on；When the output signal voltage value of operational amplifier U1 is reversed greater than operational amplifier U2
When input terminal voltage value, operational amplifier exports positive voltage, diode VD1 conducting, and provides enough electric currents and make operation amplifier
The output signal voltage value of device U1 is equal to the reverse input end voltage value of operational amplifier U2, and operational amplifier U2 is in limit at this time
Web state, capacitor C2 play frequency compensation under clipping state, it is ensured that the stability of amplified signal, it is steady through zener diode D2
Signal intensifier circuit input terminal is sent into after pressure has wireless network signal sufficiently large to further enhance wireless network signal
Transmission power, triode VT1, VT2 composition common collector amplifying circuit by signal power amplify export, coupled through capacitor C3
Network signal is launched by transmitting antenna ANT afterwards.
Claims (4)
1. a kind of network signal enhancement device, which is characterized in that including sequentially connected filter circuit, amplitude limiting amplifier circuit and letter
Number enhancing circuit, the filter circuit is for being filtered network signal；The amplitude limiting amplifier circuit is used for filtered
Network signal carries out clipping output；The signal intensifier circuit is used to improve the transmission power of the network signal after clipping output.
2. a kind of network signal enhancement device according to claim 1, which is characterized in that the filter circuit includes inductance
L1, capacitor C1 and resistance R1, one end of input signal INT connection inductance L1, the other end of inductance L1 are grounded after connecting capacitor C1,
One end of resistance R1 is connected between inductance L1 and capacitor C1, and the other end of resistance R 1 connects the defeated of the amplitude limiting amplifier circuit
Enter end.
3. a kind of network signal enhancement device according to claim 1 or 2, which is characterized in that the amplitude limiting amplifier circuit
Including operational amplifier U1, operational amplifier U2, resistance R2, resistance R3, capacitor C2, diode VD1, zener diode D1 and steady
Diode D2 is pressed,
The reverse input end of the operational amplifier U1 receives the output signal of the filter circuit, the output of operational amplifier U1
Feedback signal a part feeds back the reverse input end to operational amplifier U1 through resistance R2, and another part flows into operational amplifier U2
Noninverting input, operational amplifier U2 more afterwards through diode VD1 flow into operational amplifier U1 reverse input end；
One end of wherein, the noninverting input ground connection of operational amplifier U1, the reverse input end of operational amplifier U2 and resistance R3,
One end of capacitor C2 is connected with the cathode of zener diode D1, and the other end of resistance R3 is connect with+12V power supply, and capacitor C2's is another
One end is connect with the anode of the output end of operational amplifier U2 and diode VD1, the plus earth of zener diode D1,
The output signal of operational amplifier U1 flows into the input terminal of the signal intensifier circuit after zener diode D2 pressure stabilizing.
4. a kind of network signal enhancement device according to claim 3, which is characterized in that the signal intensifier circuit includes
Resistance R4, triode VT1, triode VT2, capacitor C3 and resistance R5,
The base stage of triode VT1 is connected with the base stage of triode VT2, the output letter of one end connection amplitude limiting amplifier circuit of resistance R4
Number, the other end is connected between the base stage of both triode VT1, VT2,
The collector of triode VT1 passes through resistance R5 connection+12V power supply, the emitter of triode VT1 and the hair of triode VT2
Emitter-base bandgap grading is connected, the grounded collector of triode VT2；
Transmitting antenna ANT is connected between the emitter of both triode VT1, VT2 by capacitor C3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377978.4A CN109257053B (en) | 2018-11-19 | 2018-11-19 | Network signal enhancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377978.4A CN109257053B (en) | 2018-11-19 | 2018-11-19 | Network signal enhancing device |
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| Publication Number | Publication Date |
|---|---|
| CN109257053A true CN109257053A (en) | 2019-01-22 |
| CN109257053B CN109257053B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811377978.4A Active CN109257053B (en) | 2018-11-19 | 2018-11-19 | Network signal enhancing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474652A (en) * | 2019-09-18 | 2019-11-19 | 国网江苏省电力有限公司宝应县供电分公司 | A kind of communication signal enhancement device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776726A (en) * | 2010-01-28 | 2010-07-14 | 广东电网公司电力科学研究院 | Signal receiving conditioner of UHF partial discharge detecting system |
| CN108023549A (en) * | 2017-11-20 | 2018-05-11 | 天津大学 | Using the visible light communication receiver special chip of diversity receiving technology |
| CN108055084A (en) * | 2017-12-28 | 2018-05-18 | 国网河南省电力公司信息通信公司 | Optical network signal enhances radiating circuit |
| CN209017019U (en) * | 2018-11-19 | 2019-06-21 | 国网江苏省电力有限公司仪征市供电分公司 | Network signal enhancement device |
-
2018
- 2018-11-19 CN CN201811377978.4A patent/CN109257053B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776726A (en) * | 2010-01-28 | 2010-07-14 | 广东电网公司电力科学研究院 | Signal receiving conditioner of UHF partial discharge detecting system |
| CN108023549A (en) * | 2017-11-20 | 2018-05-11 | 天津大学 | Using the visible light communication receiver special chip of diversity receiving technology |
| CN108055084A (en) * | 2017-12-28 | 2018-05-18 | 国网河南省电力公司信息通信公司 | Optical network signal enhances radiating circuit |
| CN209017019U (en) * | 2018-11-19 | 2019-06-21 | 国网江苏省电力有限公司仪征市供电分公司 | Network signal enhancement device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474652A (en) * | 2019-09-18 | 2019-11-19 | 国网江苏省电力有限公司宝应县供电分公司 | A kind of communication signal enhancement device |
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| Publication number | Publication date |
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| CN109257053B (en) | 2023-06-23 |
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