CN108364455A - The signal compensation circuit of medical remote monitoring system - Google Patents
The signal compensation circuit of medical remote monitoring system Download PDFInfo
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- CN108364455A CN108364455A CN201810142663.5A CN201810142663A CN108364455A CN 108364455 A CN108364455 A CN 108364455A CN 201810142663 A CN201810142663 A CN 201810142663A CN 108364455 A CN108364455 A CN 108364455A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
Abstract
The invention discloses the signal compensation circuits of medical remote monitoring system,Including anti-jamming circuit,Compensation circuit and differential output circuit,Anti-jamming circuit receives the signal in signal transmission passage in medical remote monitoring system,Diode D4 is used simultaneously,Triode Q1 and voltage-stabiliser tube Z1 and thyristor VTL1 form compound circuit filtering interference signals,Most afterwards through resistance R5,Resistance R6,Capacitance C7 and inductance L2,L3,The frequency-selecting of capacitance C8 compositions,The stabilization signal of filter circuit processing output single-frequency,Enter output in differential output circuit later,Wherein compensation circuit provides stable power supply for anti-jamming circuit,It compensates anti-jamming circuit and inhibits the non-linear of interference signal,Compensation circuit provides thermal compensation signal for the output signal of differential output circuit simultaneously,The attenuation being further compensate in signals transmission,Effectively stabilize the signal in signal transmission passage in medical remote monitoring system,Signal relaxation phenomenon is overcome using the method signal of compensation simultaneously.
Description
Technical field
The present invention relates to medical remote control technology fields, more particularly to the signal compensation electricity of medical remote monitoring system
Road.
Background technology
With the development of science and technology, modern medical level also enters a new field, the introduction of large-scale Medical Devices
So that modern medicine is even more to step into new stage.Advanced Medical Devices are the important symbols of a hospital modernization degree,
It is the primary condition that medical technology level is continuously improved.The complexity of large medical equipment remote monitoring system determines, people's root
This can not possibly be monitored in real time, can not only waste a large amount of human resources in this way, while being not easy to give warning in advance, and be used long-range
Monitoring scheme, it may be convenient to clustering management be carried out to the Medical Devices of distribution, given warning in advance.
Present medical Data Transmission of Long-range Monitoring System is more various, along with there is various mobile devices in hospital
The interference of signal, signal will appear various interference signals, also will appear relaxation phenomenon in the transmission, it is therefore desirable to which stabilization signal is same
The method of Shi Caiyong thermal compensation signals overcomes the signal signal relaxation phenomenon caused by various consumption in the transmission.
So the present invention 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, purpose of the present invention is to provide medical remote monitoring systems
The signal compensation circuit of system, have be skillfully constructed, the characteristic of human oriented design, effectively stabilize in medical remote monitoring system
Signal in signal transmission passage, while signal relaxation phenomenon is overcome using the method signal of compensation.
Its technical solution solved is the signal compensation circuit of medical remote monitoring system, including anti-jamming circuit, compensation
Circuit and differential output circuit, which is characterized in that it is logical that the anti-jamming circuit receives signal transmission in medical remote monitoring system
Signal in road, the transient state suppression circuit through inductance L1, Transient Suppression Diode D1 and diode D2, D3 composition is to momentary pulse
Signal inhibits, and prevents momentary pulse signal corruption circuit, while with diode D4, triode Q1 and voltage-stabiliser tube Z1 and brilliant lock
Pipe VTL1 forms compound circuit filtering interference signals, most afterwards through resistance R5, resistance R6, capacitance C7 and inductance L2, L3, capacitance C8 groups
At selective frequency filter circuit processing output stabilization signal, the differential output circuit receives anti-jamming circuit output signal, uses
Transport and placing device AR1, transport and placing device AR2 and transport and placing device AR3 composition difference channels carry out differential balance enhanced processing output, wherein compensation electricity
Road provides power supply for anti-jamming circuit, while compensation circuit provides thermal compensation signal for the output signal of differential output circuit；
The compensation circuit includes transport and placing device AR4, and the inverting input of transport and placing device AR4 passes through resistance R21 connections ground, transport and placing device
The in-phase input end of AR4 be separately connected one end of resistance R22, the anode of diode D6, resistance R19 one end, resistance R19's is another
One end be separately connected one end of resistance R18, diode D5 anode, the other end of resistance R18 connects power supply+10V, diode D5
Cathode connection ground, the adjustable end of the cathode connection potentiometer RW2 of diode D6, the right end connection ground of potentiometer RW2, potentiometer
The output signal of the left end connection differential output circuit of RW2, the other end of resistance R22 be separately connected the output end of transport and placing device AR4,
One end of inductance L4, the other end of inductance L4 are the superposition of the output signal and thermal compensation signal of compensation circuit.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
1, anti-jamming circuit receives the signal in signal transmission passage in medical remote monitoring system, inhibits through inductance L1, transient state
The transient state suppression circuit of diode D1 and diode D2, D3 composition inhibits momentary pulse signal, prevents momentary pulse signal from damaging
Bad circuit avoids being interfered between each signal, while with diode D4, triode Q1 and voltage-stabiliser tube Z1 and thyristor VTL1
Compound circuit filtering interference signals are formed, most the choosing through resistance R5, resistance R6, capacitance C7 and inductance L2, L3, capacitance C8 compositions afterwards
Frequently, the stabilization signal of filter circuit processing output single-frequency, enters in differential output circuit later, with transport and placing device AR1, fortune
It puts device AR2 and transport and placing device AR3 composition difference channels carries out differential balance enhanced processing output, wherein compensation circuit is anti-interference electricity
Road provides stable power supply, and compensation anti-jamming circuit inhibits the non-linear of interference signal, while compensation circuit is difference output electricity
The output signal on road provides thermal compensation signal, and the attenuation being further compensate in signals transmission effectively stabilizes medical remote
Signal in range monitoring system in signal transmission passage, while signal relaxation phenomenon is overcome using the method signal of compensation.
2, the differential output circuit is used to carry out differential balance enhanced processing to the signal exported through anti-jamming circuit,
The stabilization signal of single-frequency is set not influenced to be amplified by temperature drift and common mode interference, wherein transport and placing device AR1, transport and placing device AR2
Differential amplifier is constituted, circuit structure is symmetrical, other than with high input impedance, also has very high common mode rejection performance, fortune
Put the output voltage of device AR1=（1+ resistance R15/potentiometer RW1）Multiply in the in-phase input end of transport and placing device AR1, transport and placing device AR2's
Output voltage=（1+ resistance R14/potentiometer RW1）Multiply the homophase input of the in-phase input end in transport and placing device AR2-transport and placing device AR2
End）, later the output voltage of transport and placing device AR1 be connected to the in-phase input end of transport and placing device AR4, the output voltage of transport and placing device AR2 and
The thermal compensation signal of transport and placing device AR4 outputs is coupled to the inverting input of transport and placing device AR3, and the output end of transport and placing device AR3 is that difference is defeated
The superposition for going out the output signal and thermal compensation signal of circuit, overcoming signal with this, signal is decayed caused by various consumption in the transmission
Phenomenon.
Description of the drawings
Fig. 1 is the module map of the signal compensation circuit of the medical remote monitoring system of the present invention.
Fig. 2 is the schematic diagram of the signal compensation circuit of the medical remote monitoring system of the present invention.
Specific implementation mode
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.
Embodiment one, the signal compensation circuit of medical remote monitoring system, including anti-jamming circuit, compensation circuit and difference
Output circuit, the anti-jamming circuit receive the signal in medical remote monitoring system in signal transmission passage and (including accordingly pass
The human bodies physiologic informations such as pulse, blood pressure, the heart rate of sensor acquisition, sensing implement body gatherer process are the prior art, herein no longer
It is described in detail), the transient state suppression circuit through inductance L1, Transient Suppression Diode D1 and diode D2, D3 composition is to momentary pulse signal
Inhibit, prevent momentary pulse signal corruption circuit, avoid being interfered between each signal, while with diode D4, triode Q1
Compound circuit filtering interference signals are formed with voltage-stabiliser tube Z1 and thyristor VTL1（Specific diode D4, triode Q1 compositions
Interference noise termination power, voltage-stabiliser tube Z1 and thyristor VTL1 form interference noise trigger circuit, resistance R4, capacitance C3, C4,
C5 forms interference noise leadage circuit）, the most choosing through resistance R5, resistance R6, capacitance C7 and inductance L2, L3, capacitance C8 compositions afterwards
Frequently, the stabilization signal of filter circuit processing output single-frequency, enters in differential output circuit later, with transport and placing device AR1, fortune
It puts device AR2 and transport and placing device AR3 composition difference channels carries out differential balance enhanced processing output, wherein compensation circuit is anti-interference electricity
Road provides stable power supply, and compensation anti-jamming circuit inhibits the non-linear of interference signal, while compensation circuit is difference output electricity
The output signal on road provides thermal compensation signal, the attenuation being further compensate in signals transmission；
On the one hand the compensation circuit provides stable power supply for anti-jamming circuit, so that interference noise is released completely to greatly, separately
On the one hand thermal compensation signal is provided for the output signal of differential output circuit, the attenuation being further compensate in signals transmission,
The inverting input of transport and placing device AR4 is by resistance R21 connections ground, and the in-phase input end of transport and placing device AR4 is by resistance R18, diode
The regulator circuit of D5 compositions and the differential output circuit output signal coupling of diode D6 potentiometers RW1 acquisitions provide, through amplifier
Device AR4 is exports after inductance L1 filtering after ratio enlargement, wherein resistance R22 is feedback resistance, and the resistance value of regulation resistance R22 can
The multiple of ratio enlargement, the i.e. amplitude of thermal compensation signal are adjusted, the inverting input of transport and placing device AR4 passes through resistance R21 connections ground, fortune
Put device AR4 in-phase input end be separately connected one end of resistance R22, the anode of diode D6, resistance R19 one end, resistance R19
The other end be separately connected one end of resistance R18, diode D5 anode, the other end of resistance R18 connects power supply+10V, two poles
The cathode connection ground of pipe D5, the adjustable end of the cathode connection potentiometer RW2 of diode D6, the right end connection ground of potentiometer RW2, electricity
The output signal of the left end connection differential output circuit of position device RW2, the other end of resistance R22 are separately connected the defeated of transport and placing device AR4
One end of outlet, inductance L4, the other end of inductance L4 are the output signal of compensation circuit.
Embodiment two, embodiment one on the basis of, the differential output circuit is used for being exported through anti-jamming circuit
Signal carries out differential balance enhanced processing, and the stabilization signal of single-frequency is made not influenced to be put by temperature drift and common mode interference
Greatly, including with transport and placing device AR1, transport and placing device AR2 and transport and placing device AR3, wherein transport and placing device AR1, transport and placing device AR2 differential amplification is constituted
Device, circuit structure is symmetrical, other than with high input impedance, also has very high common mode rejection performance, the reverse phase of transport and placing device AR1
Input terminal is connected by the output signals of resistance R12 connection anti-jamming circuits, the in-phase input end of transport and placing device AR2 by resistance R11
Connect the output signal of anti-jamming circuit, the in-phase input end of transport and placing device AR1 is separately connected one end of resistance R15, potentiometer RW1
Lower end, the other end of resistance R15 are separately connected one end of the output end of transport and placing device AR1, resistance R16, the other end point of resistance R16
Not Lian Jie the in-phase input end of transport and placing device AR3, resistance R17 one end, the other end connection ground of resistance R17, transport and placing device AR2's is anti-
Phase input terminal is separately connected one end of resistance R14, the upper end of potentiometer RW1 and adjustable end, the other end of resistance R14 and is separately connected
The output end of transport and placing device AR2, one end of resistance R13, the output voltage of transport and placing device AR1=（1+ resistance R15/potentiometer RW1）Multiply
In the in-phase input end of transport and placing device AR1, the output voltage of transport and placing device AR2=（1+ resistance R14/potentiometer RW1）Multiply in transport and placing device
The in-phase input end of the in-phase input end of AR2-transport and placing device AR2）, later the output voltage of transport and placing device AR1 be connected to transport and placing device AR4
In-phase input end, the thermal compensation signal of the output voltage of transport and placing device AR2 and transport and placing device AR4 outputs is coupled to the anti-of transport and placing device AR3
Phase input terminal, the output end of transport and placing device AR3 are the output signal of differential output circuit（The output voltage and amplifier of transport and placing device AR1
The difference of the output voltage of device AR2）With the superposition of thermal compensation signal, signal is overcome to believe caused by various consumption in the transmission with this
Number relaxation phenomenon.
Implement three, on the basis of embodiment one, the anti-jamming circuit is by signal transmission in medical remote monitoring system
Signal in channel inhibits through transient state, interference noise coupling and interference noise are released, frequency-selecting, be filtered after export single-frequency
Stabilization signal, include the transient state suppression circuit of inductance L1, inductance L1, Transient Suppression Diode D1 and diode D2, D3 composition
Momentary pulse signal is inhibited, momentary pulse signal corruption circuit is prevented, avoids being interfered between each signal, capacitance C1, two poles
Pipe D4, triode Q1, resistance R1, resistance R2 form interference noise termination power, and the interference noise in signals transmission is put
Greatly, it is added to the anode of thyristor VTL1, thyristor VTL1 control pole tensions are made of voltage-stabiliser tube Z1 series resistances R3, capacitance C2
RC circuits provide, and change any value, the startup voltage value that changeable noise is released is added to the anode voltage of thyristor VTL1
Value, when the anode voltage of thyristor VTL1 is higher than control pole tension, thyristor VTL1 fast conductings, resistance value is ignored, interference
Noise is added to through resistance R4 on capacitance C3, C4, C5, interference noise is released to rapidly the earth, most afterwards through resistance R5, resistance R6,
The frequency selection circuit of capacitance C7 composition filters out the signal consistent with the signal frequency in signal transmission passage to rear class circuit transmission,
High fdrequency component or low frequency component higher or lower than critical value are blocked, decay, inductance L2, L3, capacitance C8 compositions low pass filtered
Wave circuit further filters, and exports the stabilization signal of single-frequency, the cathode of the left end and Transient Suppression Diode D1 of inductance L1
The right end of signal in the medical remote monitoring system of connection in signal transmission passage, inductance L1 is separately connected the negative of diode D2
Pole, the anode of diode D3, one end of resistance R5, one end of resistance R1, the cathode of diode D4, ground capacity C1 one end,
The anode connection ground of diode D2, the output signal of the cathode connection compensation circuit of diode D3, the other end difference of resistance R5
Connect one end of ground resistance R6, one end of ground capacity C7, inductance L2 one end, the other end of inductance L2 is separately connected ground connection
One end of capacitance C8, one end of inductance L3, the other end of inductance L3 are the output signal of anti-jamming circuit, the anode of diode D4
The base stage of connecting triode Q1, the collector of triode Q1 are separately connected one end of the other end of resistance R1, resistance R2, resistance R2
Other end connection compensation circuit output signal, the emitter of triode Q1 is separately connected the anode of voltage-stabiliser tube Z1, thyristor
The anode of VTL1, the control pole of thyristor VTL1 be separately connected one end of ground resistance R3, ground capacity C2 one end, thyristor
One end of the cathode connection resistance R4 of VTL1, the other end of resistance R4 are separately connected one end of capacitance C3, C4, C5, capacitance C3,
The other end of C4, C5 are all connected with the earth.
When the present invention is specifically used, the signal compensation circuit of medical remote monitoring system, including anti-jamming circuit, compensation electricity
Road and differential output circuit, the anti-jamming circuit receive the signal in medical remote monitoring system in signal transmission passage through electricity
The transient state suppression circuit for feeling L1, Transient Suppression Diode D1 and diode D2, D3 composition inhibits momentary pulse signal, prevents wink
Between pulse signal damage circuit, avoid being interfered between each signal, while with diode D4, triode Q1 and voltage-stabiliser tube Z1 with
And thyristor VTL1 forms compound circuit filtering interference signals most afterwards through resistance R5, resistance R6, capacitance C7 and inductance L2, L3, electricity
Hold the frequency-selecting of C8 compositions, the stabilization signal of filter circuit processing output single-frequency, enters in differential output circuit later, use
Transport and placing device AR1, transport and placing device AR2 and transport and placing device AR3 composition difference channels carry out differential balance enhanced processing output, wherein compensation electricity
Road provides stable power supply for anti-jamming circuit, and compensation anti-jamming circuit inhibits the non-linear of interference signal, while compensation circuit
Thermal compensation signal is provided for the output signal of differential output circuit, the attenuation being further compensate in signals transmission；
On the one hand the compensation circuit provides stable power supply for anti-jamming circuit, so that interference noise is released completely to greatly, separately
On the one hand thermal compensation signal is provided for the output signal of differential output circuit, the attenuation being further compensate in signals transmission,
The inverting input of transport and placing device AR4 is by resistance R21 connections ground, and the in-phase input end of transport and placing device AR4 is by resistance R18, diode
The regulator circuit of D5 compositions and the differential output circuit output signal coupling of diode D6 potentiometers RW1 acquisitions provide, through amplifier
For device AR4 to be exported after inductance L1 filtering after ratio enlargement, wherein resistance R22 is feedback resistance, the resistance value of regulation resistance R22
The multiple of adjustable proportion amplification, the i.e. amplitude of thermal compensation signal, the differential output circuit are used for being exported through anti-jamming circuit
Signal carry out differential balance enhanced processing, make the stabilization signal of single-frequency not influenced to be put by temperature drift and common mode interference
Greatly, wherein transport and placing device AR1, transport and placing device AR2 constitute differential amplifier, and circuit structure is symmetrical, other than with high input impedance, also
With very high common mode rejection performance, the output voltage of transport and placing device AR1=（1+ resistance R15/potentiometer RW1）Multiply in transport and placing device
The in-phase input end of AR1, the output voltage of transport and placing device AR2=（1+ resistance R14/potentiometer RW1）Multiply the same phase in transport and placing device AR2
The in-phase input end of input terminal-transport and placing device AR2）, later the output voltage of transport and placing device AR1 be connected to the same mutually defeated of transport and placing device AR4
Entering end, the output voltage of transport and placing device AR2 and the thermal compensation signal of transport and placing device AR4 outputs are coupled to the inverting input of transport and placing device AR3,
The output end of transport and placing device AR3 is the superposition of the output signal and thermal compensation signal of differential output circuit, overcomes signal transmitting with this
The middle signal relaxation phenomenon caused by various consumption, the anti-jamming circuit is by signal transmission passage in medical remote monitoring system
Interior signal through transient state inhibit, interference noise coupling and interference noise release, frequency-selecting, be filtered after output single-frequency it is steady
Determine signal, including inductance L1, the transient state suppression circuit that inductance L1, Transient Suppression Diode D1 and diode D2, D3 are formed is to wink
Between pulse signal inhibit, prevent momentary pulse signal corruption circuit, avoid being interfered between each signal, capacitance C1, diode D4,
Triode Q1, resistance R1, resistance R2 form interference noise termination power, and the interference noise in signals transmission is amplified, is added
The RC electricity being made of to the anode of thyristor VTL1, thyristor VTL1 control pole tensions voltage-stabiliser tube Z1 series resistances R3, capacitance C2
Road provides, and changes any value, the startup voltage value that changeable noise is released is added to the anode voltage value of thyristor VTL1, brilliant
When the anode voltage of brake tube VTL1 is higher than control pole tension, thyristor VTL1 fast conductings, resistance value is ignored, interference noise warp
Resistance R4 is added on capacitance C3, C4, C5, interference noise is released to rapidly to the earth, most afterwards through resistance R5, resistance R6, capacitance C7
The frequency selection circuit of composition filters out the signal consistent with the signal frequency in signal transmission passage to rear class circuit transmission, be higher than or
High fdrequency component or low frequency component less than critical value are blocked, decay, inductance L2, L3, capacitance C8 compositions low-pass filter circuit
Further filtering, exports the stabilization signal of single-frequency.
The above is to combine specific implementation mode is made for the present invention to be further described, and it cannot be said that the present invention
Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention
Under the premise of art scheme thinking, made by expand and operating method, data replacement, should all fall the scope of the present invention it
It is interior.
Claims (3)
1. the signal compensation circuit of medical remote monitoring system, including anti-jamming circuit, compensation circuit and differential output circuit,
It is characterized in that, the anti-jamming circuit receives the signal in signal transmission passage in medical remote monitoring system, through inductance L1, wink
State inhibits diode D1 and the transient state suppression circuit of diode D2, D3 composition to inhibit momentary pulse signal, prevents momentary pulse
Signal corruption circuit, while with diode D4, triode Q1 and voltage-stabiliser tube Z1 and thyristor VTL1 composition compound circuit filters
Except interference signal, the selective frequency filter circuit most afterwards through resistance R5, resistance R6, capacitance C7 and inductance L2, L3, capacitance C8 compositions is handled
Export stabilization signal, the differential output circuit receives anti-jamming circuit output signal, with transport and placing device AR1, transport and placing device AR2 and
Transport and placing device AR3 composition difference channels carry out differential balance enhanced processing output, and wherein compensation circuit provides electricity for anti-jamming circuit
Source, while compensation circuit provides thermal compensation signal for the output signal of differential output circuit；
The compensation circuit includes transport and placing device AR4, and the inverting input of transport and placing device AR4 passes through resistance R21 connections ground, transport and placing device
The in-phase input end of AR4 be separately connected one end of resistance R22, the anode of diode D6, resistance R19 one end, resistance R19's is another
One end be separately connected one end of resistance R18, diode D5 anode, the other end of resistance R18 connects power supply+10V, diode D5
Cathode connection ground, the adjustable end of the cathode connection potentiometer RW2 of diode D6, the right end connection ground of potentiometer RW2, potentiometer
The output signal of the left end connection differential output circuit of RW2, the other end of resistance R22 be separately connected the output end of transport and placing device AR4,
One end of inductance L4, the other end of inductance L4 are the output signal of compensation circuit.
2. the signal compensation circuit of medical treatment remote monitoring system as described in claim 1, which is characterized in that the difference output
Circuit includes that transport and placing device AR1, transport and placing device AR2 and transport and placing device AR3, the in-phase input end of transport and placing device AR1 is used to connect by resistance R12
Ground connection, the in-phase input end of transport and placing device AR2 pass through the output signal of resistance R11 connection anti-jamming circuits, the reverse phase of transport and placing device AR1
Input terminal be separately connected one end of resistance R15, potentiometer RW1 lower end, the other end of resistance R15 is separately connected transport and placing device AR1
Output end, resistance R16 one end, the other end of resistance R16 is separately connected the in-phase input end of transport and placing device AR3, resistance R17
One end, the other end connection ground of resistance R17, the inverting input of transport and placing device AR2 are separately connected one end of resistance R14, potentiometer
The upper end of RW1 and adjustable end, the other end of resistance R14 are separately connected one end of the output end of transport and placing device AR2, resistance R13, resistance
The inverting input of the other end connection transport and placing device AR3 of R13, the output signal of compensation circuit, the output end of transport and placing device AR3 is poor
Divide the superposition of the output signal and thermal compensation signal of output circuit.
3. the signal compensation circuit of medical treatment remote monitoring system as described in claim 1, which is characterized in that the anti-interference electricity
Road includes inductance L1, and the left end of inductance L1 connects signal in medical remote monitoring system with the cathode of Transient Suppression Diode D1 and passes
Signal in defeated channel, the right end of inductance L1 be separately connected the cathode of diode D2, the anode of diode D3, resistance R5 one
End, one end of resistance R1, the cathode of diode D4, ground capacity C1 one end, diode D2 anode connection ground, diode D3
Cathode connection compensation circuit output signal, the other end of resistance R5 is separately connected one end of ground resistance R6, ground capacity
One end of C7, one end of inductance L2, the other end of inductance L2 be separately connected one end of ground capacity C8, inductance L3 one end, electricity
The other end for feeling L3 is the output signal of anti-jamming circuit, the base stage of the positive connecting triode Q1 of diode D4, triode Q1
Collector be separately connected one end of the other end of resistance R1, resistance R2, the output of the other end connection compensation circuit of resistance R2
Signal, the emitter of triode Q1 are separately connected the anode of the anode of voltage-stabiliser tube Z1, thyristor VTL1, the control of thyristor VTL1
Pole be separately connected one end of ground resistance R3, ground capacity C2 one end, one end of the cathode connection resistance R4 of thyristor VTL1,
The other end of resistance R4 is separately connected one end of capacitance C3, C4, C5, and the other end of capacitance C3, C4, C5 are all connected with the earth.
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| CN109067370A (en) * | 2018-08-08 | 2018-12-21 | 义乌工商职业技术学院 | Electronic data signals processing circuit |
| CN109730691A (en) * | 2019-01-11 | 2019-05-10 | 河南鑫安利职业健康科技有限公司 | Detect the signal compensation apparatus of special operating personnel body index instrument |
| CN109831180A (en) * | 2019-02-26 | 2019-05-31 | 郑州力通水务有限公司 | A kind of water supply remote monitoring system signal compensation circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109067370A (en) * | 2018-08-08 | 2018-12-21 | 义乌工商职业技术学院 | Electronic data signals processing circuit |
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| CN109831180A (en) * | 2019-02-26 | 2019-05-31 | 郑州力通水务有限公司 | A kind of water supply remote monitoring system signal compensation circuit |
| CN109831180B (en) * | 2019-02-26 | 2023-03-21 | 郑州力通水务有限公司 | Signal compensation circuit for water supply remote monitoring system |
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