CN207782780U - A kind of Computer Wireless Communication sender unit - Google Patents
A kind of Computer Wireless Communication sender unit Download PDFInfo
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- CN207782780U CN207782780U CN201820035500.2U CN201820035500U CN207782780U CN 207782780 U CN207782780 U CN 207782780U CN 201820035500 U CN201820035500 U CN 201820035500U CN 207782780 U CN207782780 U CN 207782780U
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Abstract
The utility model discloses a kind of Computer Wireless Communication sender units,Including computer,Wireless signal transmitter and signal processing circuit,Signal processing circuit includes filter circuit,Window comparator circuit and power amplification circuit,The output signal of computer, which is sent into after LC is filtered in metal-oxide-semiconductor Q1, amplifies,Low frequency spur is filtered out through RC high-pass filters again,It is effectively improved the accuracy of computer output signal,Transport and placing device A1,The output signal of A2 while wave reception filtering circuit,Double limit processing are carried out to signal with the principle of window comparator circuit,Quickly computer code signal is adjusted,Reduce the bit error rate of the computer between wireless signal transmitting device when signal transmission,The output signal of window comparator circuit is enhanced using the connection composition power amplification circuit of triode VT1 and VT2 common collector,Good stability is kept while effectively improving signal transmission power again,Expand wireless signal coverage area.
Description
Technical field
The utility model is related to wireless communication technology fields, emit more particularly to a kind of Computer Wireless Communication signal and fill
It sets.
Background technology
With the continuous development of computer technology, wireless communication technique also increasingly attracts attention, and computer is in wireless network
Application in network communication substantially increases its performance, and computer is filled by data information modulating-coding, then by wireless signal transmission
It sets and launches, and computer when signal transmission, is largely compiled between wireless signal transmitting device as computer loads
Code signal also can largely decay in computer radio signal emission process, cause the bit error rate of wireless signal that can also be promoted therewith,
Computer Wireless Communication sender unit needs constantly to reinforce in quick, indifference communication aspects.
So the utility model provides a kind of new scheme to solve the problems, such as this.
Invention content
For the above situation, to overcome the defect of the prior art, the utility model to be designed to provide a kind of computer
Wireless communication signals emitter.
Its technical solution solved is a kind of Computer Wireless Communication sender unit, including computer, wireless signal
Transmitter and signal processing circuit, the signal processing circuit include filter circuit, window comparator circuit and power amplification circuit,
The signal output end of the input terminal connection computer of filter circuit, the input of the output end connection window comparator circuit of filter circuit
End, the input terminal of the output end connection power amplification circuit of window comparator circuit, the output end connection of power amplification circuit is wireless
The signal input part of signal projector.
Preferably, the filter circuit includes inductance L1, and one end of inductance L1 connects Computer signal output end, inductance L1
Other end connection capacitance C1 one end and resistance R1 one end, the other end ground connection of capacitance C1, the other end connection of resistance R1
The grid of metal-oxide-semiconductor Q1, one end of the drain electrode connection capacitance C2 of metal-oxide-semiconductor Q1, and by resistance R2 connection+5V power supplys, capacitance C2's
The other end connects the input terminal of one end and window comparator circuit of resistance R3, and the other end of resistance R3 connects with the source electrode of metal-oxide-semiconductor Q1
It connects and is grounded.
Preferably, the window comparator circuit includes transport and placing device A1, A2, the inverting input and transport and placing device A2 of transport and placing device A1
In-phase input end connect the output end of the filter circuit, the in-phase input end of transport and placing device A1 passes through resistance R4 connections+5V electricity
Source, and be grounded by resistance R5, the inverting input of transport and placing device A2 is connect by resistance R6 connection -5V power supplys by resistance R7
Ground, the input terminal that the output end of transport and placing device A1, A2 passes through resistance R8 connection power amplification circuits.
Preferably, the power amplification circuit includes triode VT1, VT2, and the base stage of triode VT1 connects the window
The output end of comparison circuit, and by resistance R9 connection+12V power supplys ,+12V power supplys by resistance R10 connecting triodes VT1,
The collector of VT2, the base stage of the emitter connecting triode VT2 of triode VT1, the emitter ground connection of triode VT2, triode
The signal input part that the collector of VT1, VT2 pass through resistance R11 connection wireless signal transmitters.
By above technical scheme, the beneficial effects of the utility model are:
1. the output signal of computer after the LC filter accurate filterings of inductance L1 and capacitance C1 compositions through being sent into metal-oxide-semiconductor Q1
Middle amplification, metal-oxide-semiconductor Q1 have the characteristics that noise is small, small by ambient temperature and radiation effect, and signal amplification effect is preferable, through MOS
It manages the RC high-pass filters that amplified signal is made of capacitance C1 and resistance R3 to filter out low frequency spur, is effectively improved meter
The accuracy of calculation machine output signal；
2. the output signal of transport and placing device A1, A2 while wave reception filtering circuit, with the principle of window comparator circuit to signal
Double limit processing are carried out, quickly computer code signal is adjusted, prevents being mixed into for non-coded signal, to reduce computer
The bit error rate between wireless signal transmitting device when signal transmission；
3. in order to prevent because there are a large amount of attenuation bands to carry out the higher bit error rate in computer radio signal emission process, use
The connection composition power amplification circuit of triode VT1 and VT2 common collector enhances the output signal of window comparator circuit,
Good stability is kept while effectively improving signal transmission power again, expands wireless signal coverage area.
Description of the drawings
Fig. 1 is the system module figure of the utility model.
Fig. 2 is the signal processing circuit module map of the utility model.
Fig. 3 is the signal processing circuit schematic diagram of the utility model.
Specific implementation mode
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 3 is in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
Computer Wireless Communication sender unit, including computer, wireless signal transmitter E1 and signal processing circuit,
Computer is by by data information modulating-coding, being sent into signal processing circuit after handling, being emitted by wireless signal transmitter E1
It goes out, signal processing circuit includes filter circuit, window comparator circuit and power amplification circuit, the input terminal connection of filter circuit
The signal output end of computer, filter circuit output end connection window comparator circuit input terminal, window comparator circuit it is defeated
Outlet connects the input terminal of power amplification circuit, and the signal of the output end connection wireless signal transmitter E1 of power amplification circuit is defeated
Enter end.
In order to improve the accuracy of computer output signal, the LC filters of inductance L1 and capacitance C1 compositions in filter circuit
Accurate filtering is carried out to computer output signal, the filtered signals of LC, which are sent into metal-oxide-semiconductor Q1, to be amplified, and metal-oxide-semiconductor Q1 has noise
It is small, by the small feature of ambient temperature and radiation effect, signal amplification effect is preferable, through the amplified signal of metal-oxide-semiconductor by capacitance C1
Low frequency spur is filtered out with the RC high-pass filters of resistance R3 compositions, is effectively improved the accuracy of computer output signal,
Wherein, one end of inductance L1 connects Computer signal output end, one end of the other end connection capacitance C1 of inductance L1 and resistance R1
One end, the other end ground connection of capacitance C1, the grid of the other end connection metal-oxide-semiconductor Q1 of resistance R1, the drain electrode connection electricity of metal-oxide-semiconductor Q1
Hold one end of C2, and by resistance R2 connection+5V power supplys, one end of the other end connection resistance R3 of capacitance C2 and window are more electric
The other end of the input terminal on road, resistance R3 connect and is grounded with the source electrode of metal-oxide-semiconductor Q1.
The output signal of transport and placing device A1, A2 while wave reception filtering circuit in window comparator circuit, with window comparator circuit
Principle double limits processing are carried out to signal, quickly computer code signal is adjusted, prevents being mixed into for non-coded signal, from
And reduce the bit error rate of the computer between wireless signal transmitting device when signal transmission, the inverting input of transport and placing device A1 and
The output end of the in-phase input end connection filter circuit of transport and placing device A2, the in-phase input end of transport and placing device A1 by resistance R4 connections+
5V power supplys, and be grounded by resistance R5, the inverting input of transport and placing device A2 passes through resistance by resistance R6 connection -5V power supplys
R7 is grounded, the input terminal that the output end of transport and placing device A1, A2 passes through resistance R8 connection power amplification circuits.
Because of computer radio signal, there are a large amount of attenuation bands to come the higher bit error rate, power in emission process in order to prevent
Amplifying circuit enhances the output signal of window comparator circuit using the connection of triode VT1 and VT2 common collector, three poles
The base stage of pipe VT1 connects the output end of the window comparator circuit, and by resistance R9 connection+12V power supplys, and+12V power supplys pass through
The collector of resistance R10 connecting triodes VT1, VT2, the base stage of the emitter connecting triode VT2 of triode VT1, triode
The emitter of VT2 is grounded, and the collector of triode VT1, VT2 are defeated by the signal of resistance R11 connection wireless signal transmitters E1
Enter end, keeps good stability while effectively improving signal transmission power again, expand wireless signal coverage area.
The above is to combine specific implementation mode further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；For belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made by expand and operating method, data replacement, should all fall
Within scope of protection of the utility model.
Claims (1)
1. a kind of Computer Wireless Communication sender unit, including computer and wireless signal transmitter, it is characterised in that：Also
Including signal processing circuit, the signal processing circuit includes filter circuit, window comparator circuit and power amplification circuit, filtering
The signal output end of the input terminal connection computer of circuit, the input terminal of the output end connection window comparator circuit of filter circuit,
The input terminal of the output end connection power amplification circuit of window comparator circuit, the output end of power amplification circuit connect wireless signal
The signal input part of transmitter；
The filter circuit includes inductance L1, and one end of inductance L1 connects Computer signal output end, and the other end of inductance L1 connects
Connect one end of one end and resistance R1 of capacitance C1, the other end ground connection of capacitance C1, the grid of the other end connection metal-oxide-semiconductor Q1 of resistance R1
Pole, one end of the drain electrode connection capacitance C2 of metal-oxide-semiconductor Q1, and pass through resistance R2 connection+5V power supplys, the other end connection electricity of capacitance C2
The input terminal of one end and window comparator circuit of R3 is hindered, the other end of resistance R3 connect and is grounded with the source electrode of metal-oxide-semiconductor Q1；
The window comparator circuit includes transport and placing device A1, A2, the homophase input of the inverting input and transport and placing device A2 of transport and placing device A1
End connects the output end of the filter circuit, and the in-phase input end of transport and placing device A1 passes through electricity by resistance R4 connection+5V power supplys
R5 ground connection is hindered, the inverting input of transport and placing device A2 is grounded by resistance R6 connection -5V power supplys by resistance R7, transport and placing device A1,
The input terminal that the output end of A2 passes through resistance R8 connection power amplification circuits；
The power amplification circuit includes triode VT1, VT2, and the base stage of triode VT1 connects the defeated of the window comparator circuit
Outlet, and by resistance R9 connection+12V power supplys ,+12V power supplys are by the collector of resistance R10 connecting triodes VT1, VT2, and three
The base stage of the emitter connecting triode VT2 of pole pipe VT1, the emitter ground connection of triode VT2, the current collection of triode VT1, VT2
The signal input part that pole passes through resistance R11 connection wireless signal transmitters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820035500.2U CN207782780U (en) | 2018-01-10 | 2018-01-10 | A kind of Computer Wireless Communication sender unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820035500.2U CN207782780U (en) | 2018-01-10 | 2018-01-10 | A kind of Computer Wireless Communication sender unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207782780U true CN207782780U (en) | 2018-08-28 |
Family
ID=63223930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820035500.2U Expired - Fee Related CN207782780U (en) | 2018-01-10 | 2018-01-10 | A kind of Computer Wireless Communication sender unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207782780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375203A (en) * | 2018-12-11 | 2019-02-22 | 中交公局重庆城市建设发展有限公司 | Distance-measuring equipment and its location algorithm based on fmcw radar signal processing |
| 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 |
-
2018
- 2018-01-10 CN CN201820035500.2U patent/CN207782780U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375203A (en) * | 2018-12-11 | 2019-02-22 | 中交公局重庆城市建设发展有限公司 | Distance-measuring equipment and its location algorithm based on fmcw radar signal processing |
| 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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| 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: 20180828 Termination date: 20190110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |