CN107124143A - Two-way high voltage output linearity amplifying circuit - Google Patents
Two-way high voltage output linearity amplifying circuit Download PDFInfo
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- CN107124143A CN107124143A CN201710202939.XA CN201710202939A CN107124143A CN 107124143 A CN107124143 A CN 107124143A CN 201710202939 A CN201710202939 A CN 201710202939A CN 107124143 A CN107124143 A CN 107124143A
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- electric capacity
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
Abstract
The present invention relates to electronic circuit technology field, specifically disclose a kind of two-way high voltage output linearity amplifying circuit, including constant-current source circuit, differential input stage circuit, series-connected stage cascode voltage amplifier circuit, feedback circuit, current following output circuit, constant-current source circuit is connected with differential input stage circuit, differential input stage circuit is connected with series-connected stage cascode voltage amplifier circuit, series-connected stage cascode voltage amplifier circuit is connected with current following output circuit, and feedback circuit is connected with differential input stage circuit with current following output circuit respectively.This circuit solves the linear scale amplifying circuit that tradition is made up of amplifier and peripheral circuit, because the supply voltage of amplifier is low and can not realize the linear amplifier circuit of high voltage output.The present invention is made up of high pressure resistant triode, precision resistance and diode, high with precision, and performance is stable.
Description
Technical field
High accuracy is needed the present invention relates to electronic circuit technology field, more particularly to a kind of fine measuring instrument gauge internal
Linear regulated power supply, and meet the two-way high voltage output linearity amplifying circuit of the adjustable requirement of wide scope bi-directional voltage.
Background technology
With the development of electronic industrial technology, the requirement to instrument measurement accuracy is being improved constantly always, for electricity
The accurate measurement of sub- component, either active or passive device measurement, it is inherently the measurement of voltage and current.And
Present high precision measuring instrument needs by Linear Amplifer to export small-signal up to high voltage (more than 50V), traditional utilization
The proportional amplifier that operational amplifier is constituted, due to by operational amplifier supply voltage and itself being limited and can not realize high voltage
Amplification output.
The content of the invention
To solve the problem of technical background is proposed, the present invention provides a kind of two-way high voltage output linearity amplifying circuit,
The circuit can be by adjustable reference voltage signal, and the Linear Amplifer through oversampling circuit exports positive and negative more than 210V, and by precision resistance structure
Into feedback circuit make output high-accuracy voltage adjustable.
The present invention uses following technical scheme：Two-way high voltage output linearity amplifying circuit, including constant-current source circuit, difference
Input stage circuit, series-connected stage cascode voltage amplifier circuit, feedback circuit, current following output circuit, constant-current source circuit and difference
Input stage circuit is connected, and differential input stage circuit is connected with series-connected stage cascode voltage amplifier circuit, series-connected stage cascode voltage
Amplifying circuit is connected with current following output circuit, and feedback circuit is electric with differential input stage circuit and current following output respectively
Road is connected.
The constant-current source circuit include the 3rd triode, first resistor, second resistance, the first electric capacity, the first diode group,
Second diode, the negative electrode of the first diode is connected with the anode of the second diode, first resistor one end connection power supply I, separately
One end connects the emitter stage of the 3rd triode, base stage connection one end of second resistance of the 3rd triode, one end of the first electric capacity,
The anode of first diode, second resistance other end ground connection, after the other end of the first electric capacity is connected with the negative electrode of the second diode,
Common connection power supply II.
The differential input stage circuit includes the first triode, the second triode, the 5th resistance, the 3rd electric capacity, the 6th electricity
The emitter stage of resistance, the second electric capacity, the 4th resistance, 3rd resistor, the emitter stage of the first triode and the second triode is connected jointly
The colelctor electrode of first triode, the colelctor electrode connection power supply III of the first triode, the base stage of the first triode connects the 5th resistance
One end, the other end of the 5th resistance connects one end, one end of the 6th resistance of the 3rd electric capacity, the other end of the 3rd electric capacity, the
The other end ground connection of six resistance, the base stage of the second triode connects one end, one end of the 4th resistance of the second electric capacity, the second electric capacity
The other end ground connection, the 4th resistance the other end connection 3rd resistor one end after, input interface is connected jointly, 3rd resistor
The other end is grounded.
The series-connected stage cascode voltage amplifier circuit includes the 4th triode, the 5th triode, the 4th electric capacity, the 6th electricity
Appearance, the tenth resistance, the 11st resistance, the 12nd resistance, the 7th electric capacity, the 9th resistance, the 28th resistance, the 3rd diode
The negative electrode of four diodes, the 3rd diode and the 4th diode connects power supply IV jointly, the emitter stage connection of the 4th triode the
The anode of the colelctor electrode of two triodes, the 2nd 1 diode, the base stage of the 4th triode connects one end of the 4th electric capacity, the 9th electricity
One end of resistance, the other end of the 9th resistance connects the anode of the 4th diode, one end of the 28th resistance, the 28th resistance
The other end connect one end, one end of the 11st resistance of the 12nd resistance, the colelctor electrode of the 4th triode connects the five or three pole
The other end of the emitter stage of pipe, the 4th electric capacity, the colelctor electrode of the 5th triode connects one end of the 6th electric capacity, the 5th triode
Base stage connects the other end of the 6th electric capacity, one end of the tenth resistance, and the other end of the tenth resistance connects one end of the 7th electric capacity, the
The other end of 11 resistance, the other end ground connection of the 7th electric capacity.
The feedback circuit includes the 7th resistance, the 8th resistance, the 3rd electric capacity and the 6th resistance, and one end of the 6th resistance connects
Connect one end, one end of the 7th resistance of the 3rd electric capacity, the connection the jointly of the other end of the other end of the 7th resistance and the 3rd electric capacity
One end of eight resistance.
The current following output circuit include the 6th triode, the 7th triode, the 8th triode, the 9th triode,
Tenth triode, the 11st triode, the 27th resistance, the 12nd electric capacity, the 16th resistance, the 17th resistance, the 15th
Resistance, the 26th resistance, the 25th resistance, the 18th resistance, the 14th resistance, the 19th resistance, the 11st electric capacity,
21 resistance, the 22nd resistance, the 20th resistance, the 13rd resistance, the 23rd resistance, the 24th resistance, the 8th
Electric capacity, the 9th electric capacity, the tenth electric capacity, the 5th diode group, the 6th diode group, the anode and the 6th diode of the 5th diode
Negative electrode connection, the negative electrode of the 6th diode connects one end of the 12nd electric capacity and one end of the 27th resistance, connects simultaneously
Negative 250V power supplys, the anode of the 5th diode is connected with the other end of the 12nd electric capacity and the base stage of the 9th triode, and the 9th
The base earth of triode, the emitter stage of the 9th triode connects the other end of the 27th resistance, the current collection of the 9th triode
Pole connects the emitter stage of the 8th triode, and the base stage of the 8th triode connects one end of the 16th resistance, the one of the 17th resistance
End, one end of the 15th resistance, the negative 250V power supplys of other end connection of the 16th resistance, the other end ground connection of the 15th resistance,
The other end of 17th resistance connects the other end, output interface, one end of the 18th resistance of the 8th resistance, the 18th resistance
The other end connects one end of the 14th resistance, one end of the 19th resistance, the base stage of the 7th triode, the 14th resistance it is another
End ground connection, the other end of the 19th resistance connects positive 250V power supplys, and the colelctor electrode of the 8th triode connects the hair of the tenth triode
Emitter-base bandgap grading, the colelctor electrode output of the 8th triode, one end of the 26th resistance, the electricity of base stage connection the 26th of the tenth triode
One end of the other end of resistance, the 25th resistance, the colelctor electrode of the tenth triode connects the other end of the 25th resistance, the 7th
The colelctor electrode of triode, the colelctor electrode output of the 7th triode, one end of the 11st electric capacity, one end of the 8th electric capacity, the seven or three
The emitter stage of pole pipe connects the emitter stage of the 6th triode, and the base stage of the 6th triode connects one end of the 21st resistance, the
One end of the other end of 11 electric capacity, the 22nd resistance, the other end of the 22nd resistance connects positive 250V power supplys, the 20th
The other end ground connection of one resistance；The colelctor electrode of 6th triode connects the colelctor electrode of the 11st triode, the 11st triode
Base stage connects one end of the 20th resistance, and the other end of the 20th resistance connects the other end of the 8th electric capacity, the 13rd resistance
One end, the colelctor electrode of the 5th triode, the emitter stage of the 11st triode connect one end of the 20th resistance, the one of the 9th electric capacity
End, the other end of the 20th resistance connects the another of one end, one end of the tenth electric capacity, the 13rd resistance of the 23rd resistance
End, the other end of the 12nd resistance, while the other end of the 20th resistance, one end of the 23rd resistance, the one of the tenth electric capacity
End, the other end of the other end of the 13rd resistance, the 12nd resistance connect positive 250V power supplys, the other end connection of the 9th electric capacity the
The other end of the other end of 23 resistance, the tenth resistance.
The power interface of the power supply I, the negative 15V of the connection of power supply II, power supply III, power supply IV connect positive 15V power interface.
The present invention has the advantage that：Certain small-signal can be amplified by proportional linearity, up to high voltage output, voltage highest
Reach positive and negative 210V outputs.
Brief description of the drawings
Fig. 1 is circuit diagram of the invention.
Fig. 2 is adjustment pipe circuit.
Embodiment
1, Fig. 2 and embodiment are described in further detail to the present invention below in conjunction with the accompanying drawings.
The two-way high voltage output linearity amplifying circuit that the present invention is provided, including constant-current source circuit 1, differential input stage circuit
2nd, series-connected stage cascode voltage amplifier circuit 3, feedback circuit 4, current following output circuit 5, constant-current source circuit 1 and differential input stage
Circuit 2 is connected, and differential input stage circuit 2 is connected with series-connected stage cascode voltage amplifier circuit 3, series-connected stage cascode voltage amplification
Circuit 3 is connected with current following output circuit 5, and feedback circuit 4 is electric with differential input stage circuit 2 and current following output respectively
Road 5 is connected.
The present invention constant-current source circuit 1 include the 3rd triode T3, first resistor R1, second resistance R2, the first electric capacity C1,
First diode group D1, the second diode D2, the first diode D1 negative electrode are connected with the second diode D2 anode, and first
Diode anode and the 3rd transistor base are connected, and the second diode cathode is connected with negative supply, first resistor R1 one end
The negative pole interface of power supply I, i.e. 15V power supplys is connected, the other end connects the 3rd triode T3 emitter stage, the 3rd triode T3 base
Pole connection second resistance R2 one end, the first electric capacity C1 one end, the first diode D1 anode, another terminations of second resistance R2
Ground, it is common to connect the negative of power supply II, i.e. 15V power supplys after the first electric capacity C1 other end is connected with the second diode D2 negative electrode
Pole interface.Forward voltage drop is fixed on first diode D1 and the second diode D2, fixed electricity is then formed on first resistor R1
Pressure, so the 3rd triode T3 collector currents of formation are constant, and above-mentioned constant-current source circuit 1 is used as the quiet of differential input stage circuit 2
State is biased.
Differential input stage circuit 2 includes the first triode T1, the second triode T2, the 5th resistance R5, the 3rd electric capacity C3, the
Six resistance R6, the second electric capacity C2, the 4th resistance R4,3rd resistor R3, the first triode T1 emitter stage and the second triode T3
Emitter stage jointly connection the first triode T1 colelctor electrode, the first triode T1 colelctor electrode connection power supply III, i.e. 15V power supplys
Positive pole input interface, the first triode T1 base stage connects the 5th resistance R5 one end, the 5th resistance R5 other end connection
3rd electric capacity C3 one end, the 6th resistance R6 one end, the 3rd electric capacity C3 other end, the 6th resistance R6 other end ground connection,
Second triode T2 base stage connects the second electric capacity C2 one end, the 4th resistance R4 one end, the second electric capacity C2 another termination
Behind ground, the 4th resistance R4 other end connection 3rd resistor R3 one end, common connection input interface Vin, 3rd resistor R3's
The other end is grounded.Second triode T2 base stages are as inverting input, and the first triode T1 base stages are somebody's turn to do as in-phase input end
Differential input stage circuit 2 constitutes the input stage of the present invention.
Series-connected stage cascode voltage amplifier circuit 3 includes the 4th triode T4, the 5th triode T5, the 4th electric capacity C4, the 6th
Electric capacity C6, the tenth resistance R10, the 11st resistance R11, the 12nd resistance R12, the 7th electric capacity C7, the 9th resistance R9, the 28th
Resistance R28, the 3rd diode D3 the 4th diode D4, the 3rd diode D3 and the 4th diode D4 negative electrode connect power supply jointly
+ Vcc, the 4th triode T4 emitter stage connect the second triode T2 colelctor electrode, the 3rd diode D3 anode, the four or three pole
Pipe T4 base stage connects the 4th electric capacity C4 one end, the 9th resistance R9 one end, the 9th resistance R9 other end connection the four or two
One end of pole pipe D4 anode, the 28th resistance R28, the 28th resistance R28 other end connects the 12nd resistance R12's
One end, the 11st resistance R11 one end, the 4th triode T4 colelctor electrode connect the 5th triode T5 emitter stage, the 4th electricity
Hold the C4 other end, the 5th triode T5 colelctor electrode connects the 6th electric capacity C6 one end, the 5th triode T5 base stage connection
The 6th electric capacity C6 other end, the tenth resistance R10 one end, the tenth resistance R10 the 7th electric capacity C7 of other end connection one end,
The 11st resistance R11 other end, the 7th electric capacity C7 other end ground connection.The series-connected stage cascode voltage amplifier circuit enters to voltage
Row amplification, is extremely inputted by the 4th triode T4 transmittings, the output of the 5th transistor collector.
Current following output circuit 5 includes the 6th triode T6, the 7th triode T7, the 8th triode T8, the 9th 3 pole
Pipe T9, the tenth triode T10, the 11st triode T11, the 27th resistance R27, the 12nd electric capacity C12, the 16th resistance
R16, the 17th resistance R17, the 15th resistance R15, the 26th resistance R26, the 25th resistance R25, the 18th resistance
R18, the 14th resistance R14, the 19th resistance R19, the 11st electric capacity C11, the 21st resistance R21, the 22nd resistance
R22, the 20th resistance R20, the 13rd resistance R13, the 23rd resistance R23, the 24th resistance R24, the 8th electric capacity C8,
Nine electric capacity C9, the tenth electric capacity C10, the 5th diode D5, the 6th diode D6, the 5th diode D5 anode and the 6th diode
D6 negative electrode is connected, the 5th diode D5 the 12nd electric capacity C12 of negative electrode connection one end and the one of the 27th resistance R27
End, while the negative 250V power supplys of connection, the 5th diode D5 anode connects the 12nd electric capacity the C12 other end, the 9th triode
Two ends pressure drop constant after T9 base stage, the 5th diode D5 and the 6th diode D6 series connection, it is then electric on the 27th resistance R27
Pressure is constant, and the 9th triode T9 collector currents are constant, its base earth, the 9th triode T9 emitter stage connection the 27th
The resistance R27 other end, the 9th triode T9 colelctor electrode connects the 8th triode T8 emitter stage, the 8th triode T8 base
Pole connects the 16th resistance R16 one end, the 17th resistance R17 one end, the 15th resistance R15 one end, the 16th resistance
The R16 negative 250V power supplys of other end connection, the 15th resistance R15 other end ground connection, the 17th resistance R17 other end connection
The 8th resistance R8 other end, output interface Vout, the 18th resistance R18 one end, the 18th resistance R18 other end connection
14th resistance R14 one end, the 19th resistance R19 one end, the 7th triode T7 base stage, the 14th resistance R14's is another
One end is grounded, and the 19th resistance R19 other end connects positive 250V power supplys, and the 8th triode T8 colelctor electrode connects the 13rd pole
One end of pipe T10 emitter stage, the 26th resistance R26, the tenth triode T10 base stage connects the 26th resistance R26's
One end of the other end, the 25th resistance R25, the tenth triode T10 colelctor electrode connects the another of the 25th resistance R25
End, the 7th triode T7 colelctor electrode, the 11st electric capacity C11 one end, the 8th electric capacity C8 one end, the 7th triode T7 hair
Emitter-base bandgap grading connects the 6th triode T6 emitter stage, and the 6th triode T6 base stage connects the 21st resistance R21 one end, the tenth
The one electric capacity C11 other end, the 22nd resistance R22 one end, the 22nd resistance R22 other end connect positive 250V electricity
Source, the 21st resistance R21 other end ground connection；6th triode T6 colelctor electrode connects the 11st triode T11 current collection
Pole, the 11st triode T11 base stage connects the 20th resistance R20 one end, the 20th resistance R20 other end connection the 8th
The electric capacity C8 other end, the 13rd resistance R13 one end, the 5th triode T5 colelctor electrode, the 11st triode T11 transmitting
Pole connects the 20th resistance R24 one end, the 9th electric capacity C9 one end, the 20th resistance R24 other end connection the 23rd
Resistance R23 one end, the tenth electric capacity C10 one end, the 13rd resistance R13 other end, the 12nd resistance R12 other end,
While the 20th resistance the R24 other end, the 23rd resistance R23 one end, the tenth electric capacity C10 one end, the 13rd resistance
The R13 other end, the 12nd resistance R12 other end connect positive 250V power supplys, the 9th electric capacity C9 other end connection the 20th
The three resistance R23 other end, the tenth resistance R10 other end.Tenth triode T10 and the 25th resistance R25, the 26th
Resistance R26 constitutes constant pressure drop.Current following output in, the 11st transistor base through 20 resistance R20 as input,
Tenth triode T10 collector and emitter formation fixed voltage drop, the 7th triode T7 colelctor electrodes are exported as positive voltage
Level is promoted, the 8th triode T8 colelctor electrodes promote level as negative voltage output.Promote adjustment pipe circuit output Vout shown in Fig. 2.
Feedback circuit 4 includes the 7th resistance R7, the 8th resistance R8, the 3rd electric capacity C3 and the 6th resistance R6, the 6th electricity R6's
One end connects the 3rd electric capacity C3 one end, the 7th resistance R7 one end, through the 5th resistance R5 and amplifier input stage homophase input
Hold the first triode T1 base stages to be connected, constitute negative-feedback；The 7th resistance R7 other end and the 3rd electric capacity C3 other end are common
With the 8th resistance R8 of connection one end.8th resistance R8 another ends connect output end；Output voltage is by the 7th resistance and the 8th resistance
Resistance value sum：R7+R8, the proportionate relationship compared with the 6th resistance R6 determines the multiplication factor of voltage, exports output stage
Voltage Vout is equal with R6 ratio with the ratio and R7+R8 that input Vin.
When exporting Vout voltage value because of load change and when fluctuating, by the 14th resistance R14, the 15th resistance R15,
The circuit that 16th resistance R16, the resistance R18 of the 17th resistance R17 the 18th and the 19th resistance R19 are constituted, just changes the 7th
Triode T7 and the 8th triode T8 base potentials, so as to adjust the 7th triode T7 colelctor electrodes output V1 and the 8th triode T8
Colelctor electrode exports V2.So as to promote adjustment pipe circuit shown in Fig. 2 by V1 and V2, to adjust Vout outputs.
The circuit of the present invention has the effect of bi-directional voltage Linear Amplifer, in input port Vin input reference voltage signals 0V
During to positive and negative 10V, voltage of the Linear Amplifer output Vout outputs in 0V to positive and negative 210V.This circuit solve tradition by amplifier and
The linear scale amplifying circuit that peripheral circuit is constituted, because the supply voltage of amplifier is low and can not realize the linear of high voltage output
Amplifying circuit.The present invention is by high pressure resistant triode (T6, T7, T8, T9, T10, T11), precision resistance (R6, R7, R8) and diode
Composition, high with precision, performance is stable.
It should be noted that Fig. 2 of the present invention does not make present invention as adjustment pipe circuit.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (7)
1. two-way high voltage output linearity amplifying circuit, it is characterised in that：Including constant-current source circuit (1), differential input stage circuit
(2), series-connected stage cascode voltage amplifier circuit (3), feedback circuit (4), current following output circuit (5), constant-current source circuit (1) and
Differential input stage circuit (2) is connected, and differential input stage circuit (2) is connected with series-connected stage cascode voltage amplifier circuit (3), string
Connection level cascode voltage amplifier circuit (3) is connected with current following output circuit (5), and feedback circuit (4) is respectively and Differential Input
Level circuit (2) is connected with current following output circuit (5).
2. two-way high voltage output linearity amplifying circuit according to claim 1, it is characterised in that：The constant-current source circuit
(1) the 3rd triode (T3), first resistor (R1), second resistance (R2), the first electric capacity (C1), the first diode (D1) are included,
Second diode (D2), the negative electrode of the first diode (D1) is connected with the anode of the second diode (D2), first resistor (R1) one
End connection power supply I, the other end connects the emitter stage of the 3rd triode (T3), the base stage connection second resistance of the 3rd triode (T3)
(R2) one end, one end of the first electric capacity (C1), the anode of the first diode (D1), second resistance (R2) other end ground connection, the
After the other end of one electric capacity (C1) is connected with the negative electrode of the second diode (D2), common connection power supply II.
3. two-way high voltage output linearity amplifying circuit according to claim 2, it is characterised in that：The differential input stage
Circuit (2) includes the first triode (T1), the second triode (T2), the 5th resistance (R5), the 3rd electric capacity (C3), the 6th resistance
(R6), the second electric capacity (C2), the 4th resistance (R4), 3rd resistor (R3), the emitter stage of the first triode (T1) and the two or three pole
The emitter stage for managing (T3) connects the colelctor electrode of the first triode (T1), the colelctor electrode connection power supply of the first triode (T1) jointly
III, the base stage of the first triode (T1) connects one end of the 5th resistance (R5), the electricity of other end connection the 3rd of the 5th resistance (R5)
Hold one end, the one end of the 6th resistance (R6) of (C3), the other end of the 3rd electric capacity (C3), another termination of the 6th resistance (R6)
Ground, the base stage of the second triode (T2) connects one end, one end of the 4th resistance (R4) of the second electric capacity (C2), the second electric capacity (C2)
Other end ground connection, behind one end of the other end connection 3rd resistor (R3) of the 4th resistance (R4), input interface is connected jointly, the
The other end ground connection of three resistance (R3).
4. two-way high voltage output linearity amplifying circuit according to claim 3, it is characterised in that：The series-connected stage cascode
Voltage amplifier circuit (3) includes the 4th triode (T4), the 5th triode (T5), the 4th electric capacity (C4), the 6th electric capacity (C6), the
Ten resistance (R10), the 11st resistance (R11), the 12nd resistance (R12), the 7th electric capacity (C7), the 9th resistance (R9), the 20th
Eight resistance (R28), the 3rd diode group (D3), the 4th diode (D4), the 3rd diode (D3) and the 4th diode (D4)
Negative electrode connects power supply IV jointly, and the emitter stage of the 4th triode (T4) connects the colelctor electrode of the second triode (T2), the three or two pole
The anode of (D3) is managed, the base stage of the 4th triode (T4) connects one end, one end of the 9th resistance (R9) of the 4th electric capacity (C4), the
The other end of nine resistance (R9) connects the anode of the 4th diode (D4), one end of the 28th resistance (R28), the 28th electricity
The other end for hindering (R28) connects one end, one end of the 11st resistance (R11) of the 12nd resistance (R12), the 4th triode (T4)
Colelctor electrode connect the 5th triode (T5) emitter stage, the other end of the 4th electric capacity (C4), the current collection of the 5th triode (T5)
Pole connects one end of the 6th electric capacity (C6), and the base stage of the 5th triode (T5) connects the other end of the 6th electric capacity (C6), the tenth electricity
Hinder the one end of (R10), the other end of the tenth resistance (R10) connect one end of the 7th electric capacity (C7), the 11st resistance (R11) it is another
One end, the other end ground connection of the 7th electric capacity (C7).
5. two-way high voltage output linearity amplifying circuit according to claim 4, it is characterised in that：The feedback circuit
(4) the 7th resistance (R7), the 8th resistance (R8), the 3rd electric capacity (C3) and the 6th resistance (R6), the one of the 6th resistance (R6) are included
One end, one end of the 7th resistance (R7) of the 3rd electric capacity (C3) of end connection, the other end and the 3rd electric capacity of the 7th resistance (R7)
(C3) the other end connects one end of the 8th resistance (R8) jointly.
6. two-way high voltage output linearity amplifying circuit according to claim 5, it is characterised in that：The current following is defeated
Going out circuit (5) includes the 6th triode (T6), the 7th triode (T7), the 8th triode (T8), the 9th triode (T9), the tenth
Triode (T10), the 11st triode (T11), the 27th resistance (R27), the 12nd electric capacity (C12), the 16th resistance
(R16), the 17th resistance (R17), the 15th resistance (R15), the 26th resistance (R26), the 25th resistance (R25),
18 resistance (R18), the 14th resistance (R14), the 19th resistance (R19), the 11st electric capacity (C11), the 21st resistance
(R21), the 22nd resistance (R22), the 20th resistance (R20), the 13rd resistance (R13), the 23rd resistance (R23),
24 resistance (R24), the 8th electric capacity (C8), the 9th electric capacity (C9), the tenth electric capacity (C10), the 5th diode (D5), the six or two
Pole pipe (D6), the anode of the 5th diode (D5) and the negative electrode of the 6th diode (D6) are connected, the moon of the 6th diode (D6)
Pole connects one end of the 12nd electric capacity (C12) and one end of the 27th resistance (R27), while the negative 250V power supplys of connection, the 5th
The anode of diode (D5) connects the other end of the 12nd electric capacity (C12), the base stage of the 9th triode (T9), the 9th triode
(T9) base earth, the emitter stage of the 9th triode (T9) connects the other end of the 27th resistance (R27), the 9th triode
(T9) colelctor electrode connects the emitter stage of the 8th triode (T8), and the base stage of the 8th triode (T8) connects the 16th resistance
(R16) one end, one end of the 17th resistance (R17), one end of the 15th resistance (R15), the 16th resistance (R16) it is another
The negative 250V power supplys of end connection, the other end ground connection of the 15th resistance (R15), the other end connection the 8th of the 17th resistance (R17)
The other end of resistance (R8), output interface, one end of the 18th resistance (R18), the other end connection the of the 18th resistance (R18)
One end of 14 resistance (R14), one end of the 19th resistance (R19), the base stage of the 7th triode (T7), the 14th resistance
(R14) other end ground connection, the other end of the 19th resistance (R19) connects positive 250V power supplys, the current collection of the 8th triode (T8)
Pole connects the emitter stage of the tenth triode (T10), one end of the 26th resistance (R26), and the base stage of the tenth triode (T10) connects
The other end, one end of the 25th resistance (R25) of the 26th resistance (R26) are connect, the colelctor electrode of the tenth triode (T10) connects
Meet the other end of the 25th resistance (R25), the colelctor electrode of the 7th triode (T7), one end of the 11st electric capacity (C11), the 8th
One end of electric capacity (C8), the emitter stage of the 7th triode (T7) connects the emitter stage of the 6th triode (T6), the 6th triode
(T6) base stage connects one end of the 21st resistance (R21), the other end, the 22nd resistance of the 11st electric capacity (C11)
(R22) one end, the other end of the 22nd resistance (R22) connects positive 250V power supplys, the other end of the 21st resistance (R21)
Ground connection；The colelctor electrode of 6th triode (T6) connects the colelctor electrode of the 11st triode (T11), the 11st triode (T11)
Base stage connects one end of the 20th resistance (R20), and the other end of the 20th resistance (R20) connects the another of the 8th electric capacity (C8)
End, one end of the 13rd resistance (R13), the colelctor electrode of the 5th triode (T5), the emitter stage connection of the 11st triode (T11)
One end, one end of the 9th electric capacity (C9) of 20th resistance (R24), the other end connection the 23rd of the 20th resistance (R24)
One end of resistance (R23), one end of the tenth electric capacity (C10), the other end of the 13rd resistance (R13), the 12nd resistance (R12)
The other end, while the other end of the 20th resistance (R24), one end of the 23rd resistance (R23), the one of the tenth electric capacity (C10)
End, the other end of the other end of the 13rd resistance (R13), the 12nd resistance (R12) connect positive 250V power supplys, the 9th electric capacity (C9)
The other end connect the 23rd resistance (R23) the other end, the other end of the tenth resistance (R10).
7. two-way high voltage output linearity amplifying circuit according to claim 4, it is characterised in that：The power supply I, power supply
The negative 15V of II connection power interface, power supply III, power supply IV connect positive 15V power interface.
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| CN201710202939.XA CN107124143B (en) | 2017-03-30 | 2017-03-30 | Bidirectional high-voltage output linear amplifying circuit |
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| CN107124143B CN107124143B (en) | 2020-08-25 |
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Effective date of registration: 20230506 Address after: 213000 No. 1, Xinzhu Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: CHANGZHOU TONGHUI ELECTRONICS Co.,Ltd. Address before: 213001 No. 1801 Wu Cheng Road, Changzhou, Jiangsu Patentee before: JIANGSU University OF TECHNOLOGY |