CN107734776A - A kind of light-controlled lamp signal processing system with signal amplification and anti-interference process - Google Patents
A kind of light-controlled lamp signal processing system with signal amplification and anti-interference process Download PDFInfo
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- CN107734776A CN107734776A CN201711092607.7A CN201711092607A CN107734776A CN 107734776 A CN107734776 A CN 107734776A CN 201711092607 A CN201711092607 A CN 201711092607A CN 107734776 A CN107734776 A CN 107734776A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a kind of light-controlled lamp signal processing system with signal amplification and anti-interference process, it is characterized in that, mainly by process chip U, triode VT1, diode D2, diode D3, low-pass filter circuit, the differential amplifier circuit being serially connected between low-pass filter circuit and process chip U VINP pins, the signal transmitting modulate circuit being connected respectively with triode VT1 emitter stage and process chip U, and the composition such as anti-electromagnetic wave interference circuit.The present invention can by input signal because of external interference electric wave and caused by Harmonics elimination or suppression；And the present invention can also be adjusted to the bandwidth of output signal, make output signal consistent with the collection signal inputted, accuracy of the present invention to signal transacting is ensured that, effectively ensure that the accuracy that open and close of the light-operated LED control system to LED control.
Description
Technical field
The present invention relates to a kind of signal processing system, is that one kind has signal amplification and anti-interference place specifically
The light-controlled lamp signal processing system of reason.
Background technology
At present, because LED has the characteristics that energy consumption is low, service life is long and safety and environmental protection, it has become people
One of the main product of life lighting.People are realized to LED using acoustic control or light-operated control system more in life
Open and close.Light-operated LED control system can control the unlatching of LED and pass because of it according to the brightness of LED use environment
Close, and can effectively meet requirement of the people to LED in terms of energy-conservation, and enjoy the favor of people.It is however, existing light-operated
The signal processing system of LED control system is easily inaccurate to luminance signal processing by the Electromagnetic Interference in the external world, causes light-operated
Control system can not accurately control the open and close of LED according to the intensity of illumination of environment, so as to meet people well
Requirement in terms of energy-conservation.
Therefore it provides a kind of can be the task of top priority to the signal processing system of the accurate processing of luminance signal.
The content of the invention
It is an object of the invention to overcome the signal processing system of light-operated LED control system of the prior art easily by the external world
Electromagnetic Interference and to luminance signal processing it is inaccurate the defects of, there is provided it is a kind of with signal amplification and anti-interference process
Light-controlled lamp signal processing system.
The present invention is achieved through the following technical solutions：A kind of light-controlled lamp letter with signal amplification and anti-interference process
Number processing system, mainly by process chip U, triode VT1, N pole is connected with process chip U FDBK pins, P poles are through resistance
VNEG pin phase of diode D2, the P pole being connected after R6 with process chip U COM pins after resistance R7 with process chip U
The diode D3 that connection, N poles are connected with triode VT1 base stage, the low pass filtered being connected with process chip U GNEG pins
Wave circuit, the differential amplifier circuit being serially connected between low-pass filter circuit and process chip U VINP pins, respectively with triode
The signal transmitting modulate circuit that VT1 emitter stage is connected with process chip U, and be connected with signal transmitting modulate circuit
Anti-electromagnetic wave interference circuit composition；The colelctor electrode of the triode VT1 is connected with process chip U FDBK pins；It is described anti-
Electromagnetic Interference circuit is by FET MOS101, FET MOS102, amplifier P101, positive pole and FET MOS101
Drain electrode be connected, polar capacitor C101, the P pole of negative pole ground connection is connected with polar capacitor C101 negative pole, N poles are through adjustable electric
The diode D101 being connected after resistance R101 with amplifier P101 negative pole, one end is connected with FET MOS101 grid
Connect, the inductance L101 that the other end is connected with FET MOS102 drain electrode, positive pole after resistance R102 with diode D101
N poles be connected, polar capacitor C102, the N pole that negative pole is grounded after being connected with amplifier P101 output end and FET
MOS102 source electrode is connected, N poles are connected after resistance R103 with FET MOS102 grid diode D102, one
End is connected with diode D102 P poles, the inductance L102 that the other end is connected with amplifier P101 output end, and one end
It is connected with FET MOS102 grid, the inductance L103 compositions that the other end is connected with amplifier P101 output end；
The drain electrode of the FET MOS101 is connected with signal transmitting modulate circuit, the FET MOS101 source electrode and outside
Power supply is connected；Positive pole of the grid of the FET MOS102 also with amplifier P101 is connected；The amplifier P101
Output end as anti-electromagnetic wave interference circuit output end.
The differential amplifier circuit by amplifier P3, amplifier P4, triode VT2, positive pole after resistance R13 with amplifier
P3 positive pole is connected, input and the polar capacitor that with low-pass filter circuit is connected of the negative pole as differential amplifier circuit
The diode that C10, N pole are connected with triode VT2 base stage, P poles are sequentially connected after inductance L with amplifier P3 negative pole
It is connected after D5, positive electrode resistance R15 with triode VT2 colelctor electrode, negative pole of the negative pole with amplifier P3 after resistance R14 is connected
The polar capacitor C11 connect, positive pole is connected after resistance R16 with triode VT3 emitter stage, negative pole and amplifier P4 positive pole
The polar capacitor C12 being connected, positive pole is connected after resistance R17 with amplifier P4 positive pole, the polar capacitor of negative pole ground connection
C13, and P poles are connected after resistance R18 with amplifier P4 negative pole, output end of the N poles after resistance R19 with amplifier P4
The diode D6 compositions being connected；The positive pole of the polar capacitor C12 is connected with amplifier P3 output end；The polarity electricity
Hold C11 negative pole ground connection；The P poles ground connection of the diode D6；The output end of the amplifier P4 is defeated as differential amplifier circuit
Go out to hold and with process chip U VINP pins be connected.
The low-pass filter circuit is by amplifier P1, and positive pole is connected with amplifier P1 positive pole, negative pole is as low pass filtered
The polar capacitor C1 of the input of wave circuit, one end is connected with polar capacitor C1 negative pole, the resistance R1 of other end ground connection, just
Pole is connected after resistance R2 with amplifier P1 negative pole, negative pole ground connection polar capacitor C2, positive pole after resistance R3 with amplification
Device P 1 positive pole is connected, negative pole is connected with amplifier P1 output end polar capacitor C3, P pole with amplifier P1 just
The diode D1 that pole is connected, N poles are connected after resistance R4 with polar capacitor C3 negative pole, and negative pole is with amplifier P1's
The polar capacitor C4 compositions that output end is connected, positive pole is connected after resistance R5 with process chip U GNEG pins；It is described to put
Big device P1 output end is connected with polar capacitor C10 negative pole.
The signal transmitting modulate circuit is connected by FET MOS, amplifier P2, N pole with FET MOS drain electrode
Connect, the diode D4 that P poles are connected after resistance R8 with process chip U VPOS pins, negative pole after resistance R11 with amplifier
The polar capacitor C5 that P2 output end is connected, positive pole is connected after resistance R9 with FET MOS drain electrode, one end and field
The adjustable resistance R10 that effect pipe MOS source electrode is connected, the other end is connected with amplifier P2 output end, negative pole are imitated with field
Should pipe MOS source electrode be connected, the polar capacitor C6 that positive pole is connected with amplifier P2 positive pole, positive pole and triode VT1's
The polar capacitor C7 that emitter stage is connected, negative pole is connected after resistance R12 with amplifier P2 negative pole, positive pole and amplifier P2
Output end be connected, polar capacitor C8 of the negative pole as the output end of signal transmitting modulate circuit, and positive pole and amplifier
The polar capacitor C9 compositions that P2 output end is connected, negative pole is connected with polar capacitor C8 negative pole；The polar capacitor C7
Negative pole ground connection；The grid of the FET MOS is connected with process chip U VOUT pins；The polar capacitor C8's
Negative pole is connected with FET MOS101 drain electrode.
For the practical effect of the present invention, the process chip U is then preferentially realized using AD603 integrated chips.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) present invention can by input signal because of external interference electric wave and caused by Harmonics elimination or suppression；And the present invention
The bandwidth of output signal can also be adjusted, make output signal consistent with the collection signal inputted, ensure that the present invention
To the accuracy of signal transacting, it is accurate effectively to ensure that open and close of the light-operated LED control system to LED control
Property.
(2) the anti-electromagnetic wave interference circuit that the present invention is set can carry out scaling down processing to signal, i.e. the circuit will can input
The height frequency of signal separated, and the Electromagnetic Interference signal in height frequency is eliminated respectively, believes output
It is number more accurate, more steady.
(3) present invention can suppress to the null offset of common-mode signal, and difference mode signal can also be amplified, from
And improve accuracy of the present invention to signal transacting.
(4) process chip of the invention employs AD603 integrated chips to realize, chip performance stabilization and external circuit
It is combined and effectively raises accuracy of the present invention to signal transacting.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the electrical block diagram of the differential amplifier circuit of the present invention.
Fig. 3 is that the anti-electromagnetic wave of the present invention disturbs the electrical block diagram of circuit.
Embodiment
The present invention is described in further detail with reference to embodiment and its accompanying drawing, but embodiments of the present invention are not
It is limited to this.
Embodiment
As shown in figure 1, the present invention is mainly by process chip U, triode VT1, N pole and process chip U FDBK pin phases
Diode D2, the P pole that connection, P poles are connected after resistance R6 with process chip U COM pins is after resistance R7 with handling core
The diode D3 that piece U VNEG pins are connected, N poles are connected with triode VT1 base stage, managed with process chip U GNEG
The low-pass filter circuit that pin is connected, the differential amplification being serially connected between low-pass filter circuit and process chip U VINP pins
Circuit, the signal transmitting modulate circuit being connected respectively with triode VT1 emitter stage and process chip U, and sent out with signal
Penetrate the anti-electromagnetic wave interference circuit composition that modulate circuit is connected；The colelctor electrode of the triode VT1 and process chip U FDBK
Pin is connected.
Wherein, the low-pass filter circuit is by amplifier P1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, pole
Property electric capacity C1, polar capacitor C2, polar capacitor C3, polar capacitor C4, and diode D1 composition.
During connection, polar capacitor C1 positive pole is connected with amplifier P1 positive pole, its negative pole is as low-pass filter circuit
Input and be connected with luminance sensor.Resistance R1 one end is connected with polar capacitor C1 negative pole, its another termination
Ground.Polar capacitor C2 positive pole is connected after resistance R2 with amplifier P1 negative pole, its negative pole ground connection.Polar capacitor C3 is just
Pole is connected after resistance R3 with amplifier P 1 positive pole, its negative pole is connected with amplifier P1 output end.
Meanwhile diode D1 P poles are connected with amplifier P1 positive pole, its N pole after resistance R4 with polar capacitor C3
Negative pole be connected.Polar capacitor C4 negative pole is connected with amplifier P1 output end, its positive pole after resistance R5 with processing
Chip U GNEG pins are connected.The output end of the amplifier P1 is connected with polar capacitor C10 negative pole.
Further, the signal launches modulate circuit by FET MOS, amplifier P2, resistance R8, resistance R9, can
Adjust resistance R10, resistance R11, resistance R12, polar capacitor C5, polar capacitor C6, polar capacitor C7, polar capacitor C8, polarity electricity
Hold C9, diode D4 compositions.
During connection, diode D4 N poles are connected with FET MOS drain electrode, its P pole after resistance R8 with handling core
Piece U VPOS pins are connected.Polar capacitor C5 negative pole is connected after resistance R11 with amplifier P2 output end, its just
Drain electrode of the pole with FET MOS after resistance R9 is connected.Adjustable resistance R10 one end and FET MOS source electrode phase
Connection, its other end are connected with amplifier P2 output end.
Meanwhile polar capacitor C6 negative pole is connected with FET MOS source electrode, the positive pole of its positive pole and amplifier P2
It is connected.Polar capacitor C7 positive pole is connected with triode VT1 emitter stage, its negative pole after resistance R12 with amplifier P2
Negative pole be connected.Polar capacitor C8 positive pole is connected with amplifier P2 output end, its negative pole launches conditioning as signal
The output end of circuit is simultaneously connected with light-operated LED controller.Polar capacitor C9 positive pole is connected with amplifier P2 output end,
Its negative pole is connected with polar capacitor C8 negative pole.The negative pole ground connection of the polar capacitor C7；The grid of the FET MOS
It is connected with process chip U VOUT pins.The negative pole of the polar capacitor C8 is connected with FET MOS101 drain electrode.
As shown in Fig. 2 the differential amplifier circuit is by amplifier P3, amplifier P4, triode VT2, resistance R13, resistance
R14, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, polar capacitor C10, polar capacitor C11, polar capacitor
C12, polar capacitor C13, diode D5, diode D6 and inductance L are formed.
During connection, polar capacitor C10 positive pole is connected after resistance R13 with amplifier P3 positive pole, its negative pole conduct
The input of differential amplifier circuit is simultaneously connected with low-pass filter circuit.Diode D5 N poles are connected with triode VT2 base stage
Connect, its negative pole of P poles sequentially with amplifier P3 after inductance L is connected.After polar capacitor C11 positive electrode resistance R15 with three poles
Pipe VT2 colelctor electrode is connected, negative pole of its negative pole with amplifier P3 after resistance R14 is connected.
Meanwhile polar capacitor C12 positive pole is connected after resistance R16 with triode VT3 emitter stage, its negative pole is with putting
Big device P4 positive pole is connected.Polar capacitor C13 positive pole is connected after resistance R17 with amplifier P4 positive pole, its negative pole
Ground connection.Diode D6 P poles are connected after resistance R18 with amplifier P4 negative pole, its N pole after resistance R19 with amplifier
P4 output end is connected.
The positive pole of the polar capacitor C12 is connected with amplifier P3 output end；The negative pole of the polar capacitor C11 connects
Ground；The P poles ground connection of the diode D6；The output end of the amplifier P4 is as differential amplifier circuit output end and with handling core
Piece U VINP pins are connected.
As shown in figure 3, the anti-electromagnetic wave disturbs circuit by FET MOS101, FET MOS102, amplifier
P101, polar capacitor C101, polar capacitor C102, adjustable resistance R101, resistance R102, resistance R103, diode D101, two poles
Pipe D102, inductance L101, inductance L012, and inductance L103 compositions.
During connection, polar capacitor C101 positive pole is connected with FET MOS101 drain electrode, negative pole ground connection.Diode
D101 P poles are connected with polar capacitor C101 negative pole, negative pole of the N poles with amplifier P101 after adjustable resistance R101 is connected
Connect.Inductance L101 one end is connected with FET MOS101 grid, the other end and FET MOS102 drain electrode phase
Connection.Polar capacitor C102 positive pole is connected after resistance R102 with diode D101 N poles, negative pole and amplifier P101
Output end is grounded after being connected.Diode D102 N poles are connected with FET MOS102 source electrode, N poles are through resistance R103
The grid with FET MOS102 is connected afterwards.Inductance L102 one end is connected with diode D102 P poles, the other end with
Amplifier P101 output end is connected.Inductance L103 one end is connected with FET MOS102 grid, the other end with
Amplifier P101 output end is connected.
The drain electrode of the FET MOS101 is connected with signal transmitting modulate circuit, FET MOS101 source
Pole is connected with external power source, and its external power source is 12V DC voltage.The grid of the FET MOS102 also with amplification
Device P101 positive pole is connected；The output end of the amplifier P101 as anti-electromagnetic wave interference circuit output end and with it is light-operated
LED control system is connected, and for light-operated LED control, system provides accurate control signal source, to ensure that light-operated LED control system can be accurate
True is controlled to LED.
Wherein, during the operation of anti-electromagnetic wave interference circuit, FET MOS101 and FET MOS102 and inductance
L101 forms frequency dividing circuit, grid output of the high-frequency signal in its signal through FET MOS101, and passes through inductance L101
Exported after carrying out magnetic reactance processing through FET MOS102；And the low frequency signal in signal is then through polar capacitor C101 and diode
The signalling channel that D101 is formed delivers to the low frequency amplification that amplifier P101 and adjustable resistance R101 and polar capacitor C102 are formed
Device enters line frequency amplification, and the low frequency signal after frequency amplification carries out magnetic reactance processing through inductance L103, finally after its separating treatment
Signal is merged into a complete signal frequency in the letter frequency passage that inductance L102 and diode D102 is formed.Therefore, should
Circuit separates to the height frequency of the signal of input by carrying out scaling down processing to signal, realizes the height to signal
Electromagnetic Interference signal in low frequency is eliminated respectively, makes output signal more accurate, more steady.
During implementation, the present invention can by input signal because of external interference electric wave and caused by Harmonics elimination or suppression；And this
Invention can also be adjusted to the bandwidth of output signal, make output signal consistent with the collection signal inputted.And at analysis
Signal after reason is converted to disturbs circuit to carry out scaling down processing to signal after accurate data-signal by anti-electromagnetic wave, i.e., to letter
Number height frequency separated, while the Electromagnetic Interference signal in height frequency is eliminated respectively, its anti-electromagnetic wave
Interference circuit finally provides an accurate control information for the controller of light-operated LED control system, and controller is then according to reception
Data-signal control the open and close of LED.
Meanwhile the present invention can suppress to the null offset of common-mode signal, and difference mode signal can also be amplified,
So as to improve accuracy of the present invention to signal transacting.In order to which the practical effect of the present invention, the process chip U are then excellent
First realized using AD603 integrated chips.
According to above-described embodiment, you can realize the present invention well.
Claims (5)
1. it is a kind of with signal amplification and anti-interference process light-controlled lamp signal processing system, it is characterised in that mainly by
Manage chip U, triode VT1, N pole is connected with process chip U FDBK pins, P poles after resistance R6 with process chip U's
Diode D2, the P pole that COM pins are connected is connected after resistance R7 with process chip U VNEG pins, N poles and triode
The diode D3 that VT1 base stage is connected, the low-pass filter circuit being connected with process chip U GNEG pins, is serially connected in low
Differential amplifier circuit between bandpass filter circuit and process chip U VINP pins, the respectively emitter stage with triode VT1 and place
The signal transmitting modulate circuit that reason chip U is connected, and disturb electricity with the anti-electromagnetic wave that signal transmitting modulate circuit is connected
Road forms；The colelctor electrode of the triode VT1 is connected with process chip U FDBK pins；The anti-electromagnetic wave disturbs circuit
By FET MOS101, FET MOS102, amplifier P101, positive pole is connected with FET MOS101 drain electrode,
Negative pole ground connection polar capacitor C101, P pole be connected with polar capacitor C101 negative pole, N poles after adjustable resistance R101 with putting
The diode D101 that big device P101 negative pole is connected, one end is connected with FET MOS101 grid, the other end and field
The inductance L101 that effect pipe MOS102 drain electrode is connected, positive pole are connected with diode D101 N poles after resistance R102, born
Polar capacitor C102, the N pole and FET MOS102 source electrode phase that pole is grounded after being connected with amplifier P101 output end
The diode D102 that connection, N poles are connected after resistance R103 with FET MOS102 grid, one end and diode D102
P poles be connected, the inductance L102 that the other end is connected with amplifier P101 output end, and one end and FET
The inductance L103 compositions that MOS102 grid is connected, the other end is connected with amplifier P101 output end；The field-effect
Pipe MOS101 drain electrode is connected with signal transmitting modulate circuit, and FET MOS101 source electrode is connected with external power source
Connect；Positive pole of the grid of the FET MOS102 also with amplifier P101 is connected；The output end of the amplifier P101
Output end as anti-electromagnetic wave interference circuit.
2. a kind of light-controlled lamp signal processing system with signal amplification and anti-interference process according to claim 1,
Characterized in that, the differential amplifier circuit, by amplifier P3, amplifier P4, triode VT2, positive pole is after resistance R13 with putting
Big device P3 positive pole is connected, negative pole as the input of differential amplifier circuit and the polarity that is connected with low-pass filter circuit it is electric
Hold C10, two poles that N poles are connected with triode VT2 base stage, P poles are sequentially connected after inductance L with amplifier P3 negative pole
It is connected after pipe D5, positive electrode resistance R15 with triode VT2 colelctor electrode, negative pole phase of the negative pole after resistance R14 with amplifier P3
The polar capacitor C11 of connection, positive pole is connected after resistance R16 with triode VT3 emitter stage, negative pole and amplifier P4 just
The polar capacitor C12 that pole is connected, positive pole is connected after resistance R17 with amplifier P4 positive pole, the polarity electricity of negative pole ground connection
Hold C13, and P poles are connected after resistance R18 with amplifier P4 negative pole, output of the N poles after resistance R19 with amplifier P4
Hold the diode D6 compositions being connected；The positive pole of the polar capacitor C12 is connected with amplifier P3 output end；The polarity
Electric capacity C11 negative pole ground connection；The P poles ground connection of the diode D6；The output end of the amplifier P4 is as differential amplifier circuit
Output end is simultaneously connected with process chip U VINP pins.
3. a kind of light-controlled lamp signal processing system with signal amplification and anti-interference process according to claim 2,
Characterized in that, the low-pass filter circuit, by amplifier P1, positive pole is connected with amplifier P1 positive pole, negative pole is as low pass
The polar capacitor C1 of the input of filter circuit, one end is connected with polar capacitor C1 negative pole, the resistance R1 of other end ground connection,
Positive pole is connected after resistance R2 with amplifier P1 negative pole, the polar capacitor C2 of negative pole ground connection, and positive pole is after resistance R3 with putting
Polar capacitor C3, the P pole that big device P1 positive pole is connected, negative pole is connected with amplifier P1 output end with amplifier P1 just
The diode D1 that pole is connected, N poles are connected after resistance R4 with polar capacitor C3 negative pole, and negative pole is with amplifier P1's
The polar capacitor C4 compositions that output end is connected, positive pole is connected after resistance R5 with process chip U GNEG pins；It is described to put
Big device P1 output end is connected with polar capacitor C10 negative pole.
4. a kind of light-controlled lamp signal processing system with signal amplification and anti-interference process according to claim 3,
Characterized in that, the signal transmitting modulate circuit is by FET MOS, amplifier P2, N pole and FET MOS drain electrode
It is connected, the diode D4 that P poles are connected after resistance R8 with process chip U VPOS pins, negative pole is after resistance R11 with putting
Big device P2 output end is connected, the polar capacitor C5 that positive pole is connected after resistance R9 with FET MOS drain electrode, one end
Be connected with FET MOS source electrode, the adjustable resistance R10 that the other end is connected with amplifier P2 output end, negative pole with
The polar capacitor C6 that FET MOS source electrode is connected, positive pole is connected with amplifier P2 positive pole, positive pole and triode
The polar capacitor C7 that VT1 emitter stage is connected, negative pole is connected after resistance R12 with amplifier P2 negative pole, positive pole is with putting
Big device P2 output end is connected, polar capacitor C8 of the negative pole as the output end of signal transmitting modulate circuit, and positive pole and
The polar capacitor C9 compositions that amplifier P2 output end is connected, negative pole is connected with polar capacitor C8 negative pole；The polarity
Electric capacity C7 negative pole ground connection；The grid of the FET MOS is connected with process chip U VOUT pins；The polarity electricity
The negative pole for holding C8 is connected with FET MOS101 drain electrode.
5. a kind of light-controlled lamp signal processing system with signal amplification and anti-interference process according to claim 4,
Characterized in that, the process chip U is AD603 integrated chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092607.7A CN107734776A (en) | 2017-11-08 | 2017-11-08 | A kind of light-controlled lamp signal processing system with signal amplification and anti-interference process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092607.7A CN107734776A (en) | 2017-11-08 | 2017-11-08 | A kind of light-controlled lamp signal processing system with signal amplification and anti-interference process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107734776A true CN107734776A (en) | 2018-02-23 |
Family
ID=61223092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711092607.7A Pending CN107734776A (en) | 2017-11-08 | 2017-11-08 | A kind of light-controlled lamp signal processing system with signal amplification and anti-interference process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107734776A (en) |
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2017
- 2017-11-08 CN CN201711092607.7A patent/CN107734776A/en active Pending
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Application publication date: 20180223 |