CN208063198U - A kind of wireless transceiver circuit - Google Patents
A kind of wireless transceiver circuit Download PDFInfo
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- CN208063198U CN208063198U CN201820454322.7U CN201820454322U CN208063198U CN 208063198 U CN208063198 U CN 208063198U CN 201820454322 U CN201820454322 U CN 201820454322U CN 208063198 U CN208063198 U CN 208063198U
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Abstract
The utility model discloses a kind of wireless transceiver circuits, including wireless transmitter module and wireless receiving module；Wireless transmitter module：Coding circuit is transferred to signal transmission circuit for being encoded to the signal transmitted by each button in key circuit；Signal transmission circuit is used for signal through radio wave transmissions to wireless receiving module；Wireless receiving module：Resonance receiving circuit be used for receives by wireless transmitter module transmitting Lai radio wave signal, and be transferred to one stage signal amplifying circuit progress signal amplification；Active low-pass filter circuit is used to carry out low-pass filtering to one stage signal amplifying circuit amplified signal, and is transferred to second signal amplifying circuit and carries out signal amplification again；Comparator circuit be used to judge whether to receive by wireless transmitter module transmitting Lai signal, and transmit a signal to single chip circuit.The utility model is suitable for the more severe electric pump of use environment, strong antijamming capability, and remote-control sensitivity is high, and operating mode is various.
Description
Technical field
The utility model belongs to technical field of circuit control, and in particular to a kind of wireless transceiver circuit.
Background technology
Electric pump is with the pump of all kinds of liquid mediums of all kinds of conveyings of electric drive, such as water pump, oil pump, concrete pump, warp
It is often used in daily work and life.But current electric pump does not have distant control function mostly, is being unsuitable for directly in electricity
In the environment of carrying out operation and control on pump, operate facility not fast enough；In addition, even if what is had uses remote-control motor control
The electric pump of circuit, since the use environment of electric pump is more severe, the low problem of generally existing remote-control sensitivity is influenced using effect
Fruit.
Utility model content
The purpose of this utility model is that being directed to the above problem in the prior art, a kind of wireless transceiver circuit is provided, it can
Remote wireless control motor positive and inverse, it is very convenient using operating, it improves work efficiency, suitable for various electric pumps.
To realize that above-mentioned purpose of utility model, the utility model use following technical solution：
A kind of wireless transceiver circuit, including wireless transmitter module and wireless receiving module；Wherein：
The wireless transmitter module includes key circuit, coding circuit, signal transmission circuit and power circuit；
The signal input part of coding circuit connects key circuit, signal output end connection signal radiating circuit, for by
The signal that each button in key circuit transmits is encoded, and is transferred to signal transmission circuit；
The signal output end of signal transmission circuit is coupled with wireless receiving module, for signal to be passed through radio wave transmissions
To wireless receiving module；
Power circuit is used to provide operating voltage for key circuit, coding circuit and signal transmission circuit.
The wireless receiving module includes resonance receiving circuit, one stage signal amplifying circuit, active low-pass filter circuit, two
Grade signal amplification circuit and comparator circuit；
The signal input part of resonance receiving circuit is coupled with wireless transmitter module, and signal output end connects one stage signal amplification
Circuit, for receives by wireless transmitter module transmitting Lai radio wave signal, and be transferred to one stage signal amplifying circuit carry out
Signal amplifies；
The signal input part of active low-pass filter circuit connects one stage signal amplifying circuit, and signal output end connects two level letter
Number amplifying circuit for carrying out low-pass filtering to one stage signal amplifying circuit amplified signal, and is transferred to second signal amplification
Circuit carries out signal amplification again；
The signal input part of comparator circuit connects second signal amplifying circuit, and signal output end connects single chip circuit,
For judge whether to receive by wireless transmitter module transmitting Lai signal, and transmit a signal to single chip circuit.
Above-mentioned key circuit includes switch S1, switch S2, switch S3, resistance R1, resistance R2 and resistance R3；Switch S1 and electricity
Resistance R1 connects to form first switch branch, and switch S2 connects to form second switch branch with resistance R2, and switch S3 goes here and there with resistance R3
Connection forms third switching branches, is concatenated in power circuit after this three switching branches in parallel；Between switch S1 and resistance R1
Node, switch S3 between node, switch S2 and resistance R2 and the node between resistance R3 are respectively connected to three of coding circuit
Signal input part.
Above-mentioned signal transmission circuit includes signal emission switch circuit, high-frequency oscillating circuits and transmitting antenna E1；The hair
It includes resistance R4 and triode Q1 to penetrate switching circuit, and the poles B of triode Q1 are through resistance R4 connection coding circuits, the E of triode Q1
Pole is grounded, and the poles C of triode Q1 connect high-frequency oscillating circuits；The high-frequency oscillating circuits is through high-frequency isolation inductance L1 connection power supplys
Circuit, the coupled capacitance C1 connection transmitting antennas E1 of high-frequency oscillating circuits.
Above-mentioned high-frequency oscillating circuits includes resistance R5, capacitance C2, inductance L2,315 crystal oscillator Y1 and triode Q2；Described 315
Crystal oscillator Y1 connect power circuit, through inductance L2 connections through high-frequency isolation inductance L1 respectively with the anode common end after resistance R5 parallel connections
The poles C of triode Q2, the poles E through capacitance C2 connecting triodes Q2, the poles B of cathode common end connecting triode Q2；Triode Q2
The extremely coupled capacitance C1 connection transmitting antennas E1 of C；The poles C of the poles the E connecting triode Q1 of triode Q2.
Above-mentioned power circuit includes triode Q3 and resistance R6；The both ends of the resistance R6 are connected to triode Q3's
The poles B and the poles E；The poles C of triode Q3 are separately connected key circuit and coding circuit；The poles B of triode Q3 connect key circuit；Three
The poles E of pole pipe Q3 connect positive pole, and through high-frequency isolation inductance L1 connection active low-pass filter circuits.
Above-mentioned resonance receiving circuit includes reception antenna E2, inductance L3 and capacitance C3；The inductance L3 is in parallel with capacitance C3
Anode common end afterwards is separately connected reception antenna E2 and coupled capacitance C4 connections one stage signal amplifying circuit, and cathode is public
End ground connection altogether.
Above-mentioned one stage signal amplifying circuit includes triode Q4, resistance R7, resistance R8 and resistance R9；The triode Q4's
The extremely coupled capacitance C4 connections resonance receiving circuits of B；The resistance R8 that the poles C of triode Q4 are concatenated is connecting power supply just with resistance R9
Pole, and coupled capacitance C5 connections active low-pass filter circuit；The poles B of one end connecting triode Q4 of resistance R7, the other end
Access the node between resistance R8 and resistance R9；The poles E of triode Q4 are grounded.
Above-mentioned active low-pass filter circuit includes resistance 10, resistance 11, resistance 12, resistance 13, resistance 14, resistance 15, electricity
Hold C6, capacitance C7, capacitance C8, capacitance C10, capacitance C11, capacitance C12, inductance L4, inductance L5 and triode Q5；The triode
The poles B of Q5 connect positive pole through resistance R10 respectively, are grounded through resistance R11；Anode common end after inductance L4 is in parallel with capacitance C7
The poles C of connecting triode Q5, capacitance C8 that cathode common end is concatenated successively, capacitance C6, resistance R12 ground connection；The C of triode Q5
Pole is through resistance R13 connection positive poles, inductance L5 that the poles E of triode Q5 are concatenated successively, resistance R14, capacitance C11 connections two
Grade signal amplification circuit；It is connected with capacitance C10 between the poles C and the poles E of triode Q5；The coupled capacitance of one stage signal amplifying circuit
C5 is respectively connected to the node between the node between capacitance C6 and resistance R12 and inductance L5 and resistance R14；Capacitance C12 and electricity
Hinder the connection of the anode common end after 15 parallel connections second signal amplifying circuit, cathode common end grounding.
Above-mentioned second signal amplifying circuit includes dual operational amplifier U1, resistance R16 and resistance R17；Double operations are put
An input terminal of big device U1 connects active low-pass filter circuit, another input terminal connects through resistance R16 ground connection, through R17 respectively
The output end of operational amplifier U1 is connect, the coupled capacitance C11 connections comparator circuit of output end of operational amplifier U1.
Above-mentioned comparator circuit includes resistance 18, resistance 19, resistance 20 and resistance 21；One end of the resistance 18 is coupled
Capacitance C11 connection second signal amplifying circuits, the other end are separately connected dual operational amplifier U1 and single chip circuit；Resistance 19
One end is separately connected dual operational amplifier U1 and coupled capacitance C11 connections second signal amplifying circuit, resistance 19 it is another
End connects positive pole through resistance 20 respectively, is grounded through resistance 21.
Compared with the prior art, the advantage of the utility model is：
A kind of wireless transceiver circuit provided by the utility model, passes through nothing between wireless transmitter module and wireless receiving module
There is line wave transmissions signal long-range remote control function to be improved suitable for being not easy to the environment of the operation and control directly on motor
Its convenience used；The wireless receiving module of use using single chip circuit by relay drive circuit drive accordingly after
Electric appliance is easy to operate simple so as to multiple-working modes such as the rotating forward, the reversions that control motor.
The wireless transceiver circuit of the utility model is applicable in the more severe electric pump of use environment, such as water pump, oil pump
Or concrete pump etc., it only need to can realize two-way conveying liquid by the positive and negative rotation of remote control motor, improve making for motor
With function, and its strong antijamming capability, remote-control sensitivity is high, and simple operation, operating mode is various, to which work effect can be improved
Rate.
Description of the drawings
Fig. 1 is the circuit module block diagram of the wireless transmitter module in the utility model.
Fig. 2 is the circuit diagram of the wireless transmitter module in the utility model.
Fig. 3 is the circuit module block diagram of the wireless receiving module in the utility model.
Fig. 4 is the circuit diagram of the wireless receiving module in the utility model.
Specific implementation mode
With reference to embodiments and its attached drawing is further non-limitingly described in detail technical solutions of the utility model.
As shown in Figures 1 to 4, a kind of wireless transceiver circuit, including wireless transmitter module and wireless receiving module；Wherein：
One, wireless transmitter module includes key circuit, coding circuit, signal transmission circuit and power circuit；Wireless transmission
Module is installed on remote controler；
The signal input part of coding circuit connects key circuit, signal output end connection signal radiating circuit, for by
The signal that each button in key circuit transmits is encoded, and is transferred to signal transmission circuit；
The signal output end of signal transmission circuit is coupled with wireless receiving module, for signal to be passed through radio wave transmissions
To wireless receiving module；
Power circuit is used to provide operating voltage for key circuit, coding circuit and signal transmission circuit.
Key circuit includes switch S1, switch S2, switch S3, resistance R1 (27k), resistance R2 (27k) and resistance R3
(27k)；Switch S1 connects to form first switch branch with resistance R1, and switch S2 connects to form second switch branch with resistance R2,
Switch S3 connects to form third switching branches with resistance R3, is concatenated in power circuit after this three switching branches in parallel；Switch
Node between node, switch S2 between S1 and resistance R1 and the node between resistance R2, switch S3 and resistance R3 connects respectively
Enter three signal input parts of coding circuit.Wherein, switch S1, switch S2, switch S3 are respectively to be rotated forward for controlling motor, is anti-
The switch for turning and stopping；It is also in series with resistance R23 (27k) and light emitting diode D1 between power circuit and key circuit, is formed
Power supply instruction circuit for lamp.
Coding circuit includes 315 coding chip U2 and its peripheral circuit, and 315 coding chips use PT2262 chips, are used for
Coding is generated for the signal that key circuit transmits, resistance R22 (1.2M) is connected between 15 feet and 16 feet of 315 coding chips,
For adjusting code width, the resistance value of resistance is bigger, and the width of coding is bigger.
Signal transmission circuit includes signal emission switch circuit, high-frequency oscillating circuits and transmitting antenna E1；Emission switch electricity
Road includes resistance R4 (27k) and triode Q1 (model 8050), and the poles B of triode Q1 are through resistance R4 connection coding circuits, three poles
The poles E of pipe Q1 are grounded, and the poles C of triode Q1 connect high-frequency oscillating circuits；High-frequency oscillating circuits is through the L1 connections of high-frequency isolation inductance
Power circuit, high-frequency oscillating circuits coupled capacitance C1 connections transmitting antenna E1, coupled capacitor C1 (5p) are antenna coupled capacitor.
High-frequency oscillating circuits includes resistance R5 (27k), capacitance C2 (5p), inductance L2,315 crystal oscillator Y1 and triode Q2 (types
Number RF01), triode Q2 is high-frequency signal amplifier tube；Anode common end after 315 crystal oscillator Y1 are in parallel with resistance R5 is respectively through height
Frequency isolation inductance L1 connections power circuit, the poles C through inductance L2 connecting triodes Q2, the poles E through capacitance C2 connecting triodes Q2,
The poles B of cathode common end connecting triode Q2；The extremely coupled capacitance C1 connection transmitting antennas E1 of the C of triode Q2；Triode Q2
The poles E connecting triode Q1 the poles C.
Power circuit includes triode Q3 (model 9012) and resistance R6 (27k), a power switch is formed, using 12V
DC power supply is powered；The both ends of resistance R6 are connected to the poles B and the poles E of triode Q3；The poles C of triode Q3 be separately connected by
Key circuit and coding circuit；The poles B of triode Q3 connect key circuit；The poles E of triode Q3 connect positive pole, and through height
Frequency isolation inductance L1 connection active low-pass filter circuits.
Two, wireless receiving module includes resonance receiving circuit, one stage signal amplifying circuit, active low-pass filter circuit, two
Grade signal amplification circuit and comparator circuit；Wireless receiving module is installed on electric pump, is electrically connected with circuit for controlling motor；
The signal input part of resonance receiving circuit is coupled with wireless transmitter module, and signal output end connects one stage signal amplification
Circuit, for receives by wireless transmitter module transmitting Lai radio wave signal, and be transferred to one stage signal amplifying circuit carry out
Signal amplifies；
The signal input part of active low-pass filter circuit connects one stage signal amplifying circuit, and signal output end connects two level letter
Number amplifying circuit for carrying out low-pass filtering to one stage signal amplifying circuit amplified signal, and is transferred to second signal amplification
Circuit carries out signal amplification again；Since signal can become smaller signal after active low-pass filter circuit carries out low-pass filtering, because
This needs second signal amplifying circuit to carry out signal amplification again；
The signal input part of comparator circuit connects second signal amplifying circuit, and signal output end connects single chip circuit,
For judge whether to receive by wireless transmitter module transmitting Lai signal, and transmit a signal to single chip circuit.
Resonance receiving circuit includes reception antenna E2, inductance L3 and capacitance C3 (2p)；After inductance L3 is in parallel with capacitance C3
Anode common end is separately connected reception antenna E2 and coupled capacitance C4 (7p) connection one stage signal amplifying circuits, and cathode is public
End ground connection altogether.
One stage signal amplifying circuit includes triode Q4 (model R25), resistance R7 (47k), resistance R8 (5.1k) and resistance
R9 (180k), triode Q4 are high-frequency signal amplifier tube；Extremely coupled capacitance C4 (7p) the connection resonance of the B of triode Q4 receives electricity
Road；The resistance R8 that the poles C of triode Q4 are concatenated connects positive pole with resistance R9, and coupled capacitance C5 connections are active low
Bandpass filter circuit；The poles B of one end connecting triode Q4 of resistance R7, the other end access the node between resistance R8 and resistance R9；
The poles E of triode Q4 are grounded.Wherein, resistance R7 is the quiescent operation deflection resistance of triode Q4.
Active low-pass filter circuit includes resistance 10 (6.2k), resistance 11 (3.9k), resistance 12 (47k), resistance 13
(56k), resistance 14 (27k), resistance 15 (10k), capacitance C6 (2700p), capacitance C7 (5p), capacitance C8 (15p), capacitance C10
(2p), capacitance C11 (1u), capacitance C12, inductance L4, inductance L5 and triode Q5 (model R25), triode Q5 are high-frequency signal
Amplifier tube；The poles B of triode Q5 connect positive pole through resistance R10 respectively, are grounded through resistance R11；Inductance L4 is in parallel with capacitance C7
The poles C of anode common end connecting triode Q5 afterwards, capacitance C8 that cathode common end is concatenated successively, capacitance C6, resistance R12 connect
Ground；The poles C of triode Q5 are through resistance R13 connection positive poles, inductance L5, resistance that the poles E of triode Q5 are concatenated successively
R14, capacitance C11 connection second signal amplifying circuits；It is connected with capacitance C10 between the poles C and the poles E of triode Q5；One stage signal
The coupled capacitance C5 of amplifying circuit is respectively connected between the node between capacitance C6 and resistance R12 and inductance L5 and resistance R14
Node；Capacitance C12 connect second signal amplifying circuit, cathode common end grounding with the anode common end after 15 parallel connection of resistance.
Second signal amplifying circuit includes dual operational amplifier U1 (model LM358), resistance R16 (10k) and resistance R17
(2.2M)；An input terminal of dual operational amplifier U1 connects active low-pass filter circuit, another input terminal is respectively through resistance
R16 ground connection, the output end through R17 connection operational amplifiers U1, the coupled capacitance C11 connections of output end of operational amplifier U1
Comparator circuit.
Comparator circuit includes resistance 18 (2.2M), resistance 19 (18k), resistance 20 (22k) and resistance 21 (22k)；Resistance
The 18 coupled capacitance C11 (470p) in one end connects second signal amplifying circuit, and the other end is separately connected dual operational amplifier U1
And single chip circuit, the control signal that single chip circuit is used to receive wireless receiving module is decoded, and is transferred to related drive
Dynamic circuit；One end of resistance 19 is separately connected dual operational amplifier U1 and coupled capacitance C11 connections second signal amplification electricity
The other end on road, resistance 19 connects positive pole through resistance 20 respectively, is grounded through resistance 21.
The working frequency of wireless transmitter module and wireless receiving module used by the utility model is 315MHZ.
315 crystal oscillators of wireless transmitter module use sound table resonator SAW frequency stabilizations, and frequency stability is high, works as environment temperature
When changing between -25~+85 degree, float only 3ppm/ degree frequently, is particularly suitable for multiple one and receives wireless remote control and data transmission system
System.The frequency stability of sound table resonator is only second to crystal, and general LC oscillator frequency stabilizings degree and consistency are poor, i.e.,
Make that high-quality trimmer, difference variation and vibration is used also to be difficult to ensure that the frequency point mixed up will not shift.
Wireless transmitter module has wider 3~12V of operating voltage range, and when voltage change, tranmitting frequency is not substantially
Becoming and the mating wireless receiving module of wireless transmitter module can be received steadily without any adjustment, transmission power is bigger,
Transmission range is distant, is relatively suitble to be communicated under mal-condition.
The waveform comparison of the signal output end of wireless receiving module is clean, and interference signal is of short duration needle-shaped pulse, without
As other Armstrong circuits will produce intensive noise waveform, so anti-interference ability is stronger.
A kind of course of work of above-mentioned wireless transceiver circuit：
Operating personnel are by installing wireless transmitter module on a remote control remotely to the wireless receiving on electric pump
Module sends control signal.
Switch S1, switch S2, switch S3 in wireless transmitter module on key circuit are respectively for controlling motor just
Turn, invert and stop, pressing any one switch button, key circuit sends signal to coding circuit, and coding circuit is to by button
The signal that each switch key in circuit transmits is encoded, and is transferred to signal transmission circuit；Signal transmission circuit will be believed
Number by radio wave transmissions to wireless receiving module.
Resonance receiving circuit in wireless receiving module receive by wireless transmitter module transmitting Lai radio wave signal, and
It is transferred to one stage signal amplifying circuit and carries out signal amplification；Active low-pass filter circuit is believed after amplifying to one stage signal amplifying circuit
Number low-pass filtering is carried out, and is transferred to second signal amplifying circuit and carries out signal amplification again；Comparator circuit judges whether to connect
Receive by wireless transmitter module transmitting Lai signal, and transmit a signal to single chip circuit.
Single chip circuit is decoded signal, and transmits high and low level signal to relay drive circuit, and relay drives
Dynamic circuit drives corresponding relay according to different level signals, rotates forward, inverts and stops to controlling the motor on electric pump.
Claims (10)
1. a kind of wireless transceiver circuit, it is characterised in that：Including wireless transmitter module and wireless receiving module；Wherein：
The wireless transmitter module includes key circuit, coding circuit, signal transmission circuit and power circuit；
The signal input part of coding circuit connects key circuit, signal output end connection signal radiating circuit, for by button
The signal that each button in circuit transmits is encoded, and is transferred to signal transmission circuit；
The signal output end of signal transmission circuit is coupled with wireless receiving module, is used for signal through radio wave transmissions to nothing
Line receiving module；
Power circuit is used to provide operating voltage for key circuit, coding circuit and signal transmission circuit；
The wireless receiving module includes resonance receiving circuit, one stage signal amplifying circuit, active low-pass filter circuit, two level letter
Number amplifying circuit and comparator circuit；
The signal input part of resonance receiving circuit is coupled with wireless transmitter module, and signal output end connects one stage signal amplification electricity
Road, for receive by wireless transmitter module transmitting Lai radio wave signal, and be transferred to one stage signal amplifying circuit and carry out letter
Number amplification；
The signal input part of active low-pass filter circuit connects one stage signal amplifying circuit, and signal output end connection second signal is put
Big circuit for carrying out low-pass filtering to one stage signal amplifying circuit amplified signal, and is transferred to second signal amplifying circuit
Signal amplification is carried out again；
The signal input part of comparator circuit connects second signal amplifying circuit, and signal output end connects single chip circuit, is used for
Judge whether to receive by wireless transmitter module transmitting Lai signal, and transmit a signal to single chip circuit.
2. a kind of wireless transceiver circuit according to claim 1, it is characterised in that：The key circuit include switch S1,
Switch S2, switch S3, resistance R1, resistance R2 and resistance R3；Switch S1 connects to form first switch branch with resistance R1, switch S2
It connects to form second switch branch with resistance R2, switch S3 connects to form third switching branches with resistance R3, this three switch branch
It is concatenated in power circuit after the parallel connection of road；Node, switch S2 between switch S1 and resistance R1 and the node between resistance R2 are opened
Close three signal input parts that the node between S3 and resistance R3 is respectively connected to coding circuit.
3. a kind of wireless transceiver circuit according to claim 1, it is characterised in that：The signal transmission circuit includes signal
Emission switch circuit, high-frequency oscillating circuits and transmitting antenna E1；The emission switch circuit includes resistance R4 and triode Q1, and three
The poles B of pole pipe Q1 are grounded through resistance R4 connection coding circuits, the poles E of triode Q1, the poles the C connection higher-order of oscillation electricity of triode Q1
Road；The high-frequency oscillating circuits is through high-frequency isolation inductance L1 connection power circuits, the coupled capacitance C1 connections of high-frequency oscillating circuits
Transmitting antenna E1.
4. a kind of wireless transceiver circuit according to claim 3, it is characterised in that：The high-frequency oscillating circuits includes resistance
R5, capacitance C2, inductance L2,315 crystal oscillator Y1 and triode Q2；Anode common end after the 315 crystal oscillator Y1 is in parallel with resistance R5
Respectively through high-frequency isolation inductance L1 connections power circuit, the poles C through inductance L2 connecting triodes Q2, through capacitance C2 connecting triodes
The poles E of Q2, the poles B of cathode common end connecting triode Q2；The extremely coupled capacitance C1 connection transmitting antennas E1 of the C of triode Q2；
The poles C of the poles the E connecting triode Q1 of triode Q2.
5. a kind of wireless transceiver circuit according to claim 1, it is characterised in that：The power circuit includes triode Q3
With resistance R6；The both ends of the resistance R6 are connected to the poles B and the poles E of triode Q3；The poles C of triode Q3 be separately connected by
Key circuit and coding circuit；The poles B of triode Q3 connect key circuit；The poles E of triode Q3 connect positive pole, and through height
Frequency isolation inductance L1 connection active low-pass filter circuits.
6. a kind of wireless transceiver circuit according to claim 1, it is characterised in that：The resonance receiving circuit includes receiving
Antenna E2, inductance L3 and capacitance C3；Anode common end after the inductance L3 is in parallel with capacitance C3 is separately connected reception antenna E2,
And coupled capacitance C4 connections one stage signal amplifying circuit, cathode common end grounding.
7. a kind of wireless transceiver circuit according to claim 1, it is characterised in that：The one stage signal amplifying circuit includes
Triode Q4, resistance R7, resistance R8 and resistance R9；The extremely coupled capacitance C4 connections resonance receiving circuits of the B of the triode Q4；
The resistance R8 that the poles C of triode Q4 are concatenated connects positive pole, and the active low pass of coupled capacitance C5 connections with resistance R9
Filter circuit；The poles B of one end connecting triode Q4 of resistance R7, the other end access the node between resistance R8 and resistance R9；Three
The poles E of pole pipe Q4 are grounded.
8. a kind of wireless transceiver circuit according to claim 1, it is characterised in that：The active low-pass filter circuit includes
Resistance 10, resistance 11, resistance 12, resistance 13, resistance 14, resistance 15, capacitance C6, capacitance C7, capacitance C8, capacitance C10, capacitance
C11, capacitance C12, inductance L4, inductance L5 and triode Q5；The poles B of the triode Q5 respectively through resistance R10 connect positive pole,
It is grounded through resistance R11；The poles C of anode common end connecting triode Q5 after inductance L4 is in parallel with capacitance C7, cathode common end according to
The secondary capacitance C8 being concatenated, capacitance C6, resistance R12 ground connection；The poles C of triode Q5 are through resistance R13 connection positive poles, triode
Inductance L5 that the poles E of Q5 are concatenated successively, resistance R14, capacitance C11 connection second signal amplifying circuits；The poles C of triode Q5 with
Capacitance C10 is connected between the poles E；The coupled capacitance C5 of one stage signal amplifying circuit is respectively connected between capacitance C6 and resistance R12
Node and inductance L5 and resistance R14 between node；Capacitance C12 connect two with the anode common end after 15 parallel connection of resistance
Grade signal amplification circuit, cathode common end grounding.
9. a kind of wireless transceiver circuit according to claim 1, it is characterised in that：The second signal amplifying circuit includes
Dual operational amplifier U1, resistance R16 and resistance R17；An input terminal of the dual operational amplifier U1 connects active low pass
Wave circuit, another input terminal is respectively through resistance R16 ground connection, the output end through R17 connection operational amplifiers U1, the operation amplifier
The coupled capacitance C11 connections comparator circuit of output end of device U1.
10. a kind of wireless transceiver circuit according to claim 9, it is characterised in that：The comparator circuit includes resistance
18, resistance 19, resistance 20 and resistance 21；The coupled capacitance C11 connections second signal amplifying circuit in one end of the resistance 18, separately
One end is separately connected dual operational amplifier U1 and single chip circuit；One end of resistance 19 is separately connected dual operational amplifier U1, with
And coupled capacitance C11 connections second signal amplifying circuit, the other end of resistance 19 connect positive pole, warp through resistance 20 respectively
Resistance 21 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820454322.7U CN208063198U (en) | 2018-04-02 | 2018-04-02 | A kind of wireless transceiver circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820454322.7U CN208063198U (en) | 2018-04-02 | 2018-04-02 | A kind of wireless transceiver circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208063198U true CN208063198U (en) | 2018-11-06 |
Family
ID=63987844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820454322.7U Expired - Fee Related CN208063198U (en) | 2018-04-02 | 2018-04-02 | A kind of wireless transceiver circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208063198U (en) |
-
2018
- 2018-04-02 CN CN201820454322.7U patent/CN208063198U/en not_active Expired - Fee Related
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