CN106656067A - High-voltage high-power amplification circuit designed by common operational amplifier - Google Patents
High-voltage high-power amplification circuit designed by common operational amplifier Download PDFInfo
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- CN106656067A CN106656067A CN201611254682.4A CN201611254682A CN106656067A CN 106656067 A CN106656067 A CN 106656067A CN 201611254682 A CN201611254682 A CN 201611254682A CN 106656067 A CN106656067 A CN 106656067A
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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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
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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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
The invention relates to signal conditioning in the fields of testing measurement, a computer, communication and the like, in particular to an amplification circuit for improving a circuit gain and increasing an output voltage and power by a common operational amplifier. A high-voltage high-power amplification circuit designed by the common operational amplifier comprises a low-voltage control unit, a high-voltage driving unit, a high-voltage high-power output unit and an output feedback unit which are sequentially connected; and the output feedback unit is connected with the low-voltage control unit. According to the invention, the low-voltage control unit implements control and regulation on the output voltage and power by the common operational amplifier; the high-voltage driving unit directly controls a voltage and a current of an output end of the high-voltage high-power output unit; the high-voltage high-power output unit implements improvement of an output power magnitude, a voltage slew rate and a voltage range; and the output feedback unit feeds back a high-voltage signal of the output end of the high-voltage high-power output unit to an input end after carrying out voltage division on the high-voltage signal so as to implement regulation of an input control signal on the voltage and a response speed of the output end.
Description
Technical field
It is that one kind is amplified using normal operation the present invention relates to test the signal condition in the fields such as measurement, computer, communication
Device improves the amplifying circuit of circuit gain, increase output voltage and power.
Background technology
It is required for nursing one's health signal in fields such as test measurement, computer, communications, it is most used in modulate circuit
It is exactly integrated operational amplifier, current integrated operational amplifier maximum supply voltage is not universal high, and power output is limited, to circuit
Design causes certain limitation；In addition integrated operational amplifier is when signal high gain is amplified, usual its output stage meeting
Instantaneous saturation or cut off phenomenon are produced, i.e., instantaneous work is to nonlinear area, thus operational amplifier inside can often increase compensation
Electric capacity, the frequency response of operational amplifier, transient response and switching rate are affected after compensating electric capacity is increased.
Because op-amp output voltage scope does not high, power output cannot also accomplish very big, but in some applications
In field, need output voltage and power after conditioning larger；Current design is given using this contradiction between needs and device
Bring greatly inconvenience and hinder.
The content of the invention
Own limitations and application for above integrated operational amplifier need, and the present invention proposes a kind of using common fortune
Calculate amplifier and realize high-tension high-power amplifying circuit.Low-voltage control circuit and height are built by operational amplifier and peripheral circuit
Voltage follower circuit, improves the gain of circuit, by low level signal amplification to the height more than operational amplifier supply voltage and power output
The high-power output signal of voltage.
Technical program of the present invention lies in：
A kind of high-tension high-power amplifying circuit of use normal operation Amplifier Design, including the low voltage control list being sequentially connected
Unit, high drive unit, high-power output unit and output feedback unit, described output feedback unit and low pressure control
Unit connection processed；
Wherein, low voltage control unit controls the electric current that two triodes are flow through in high drive unit by normal operation amplifier
Size, using its negative-feedback characteristic the control and regulation of output voltage and power are realized；High drive unit directly controls high pressure
The voltage and current of high-power output unit output end；High-power output unit is managed by MOSFET or triode is constituted, real
The lifting of existing output voltage and power, improves power output magnitude, voltage Slew Rate and voltage range；Feedback unit is exported by height
Press high-power output unit output end high-voltage signal that input is fed back to after accurate partial pressure, realize input control signal to defeated
Go out the regulation of terminal voltage and response speed.
The operational amplifier U1A of described low voltage control unit including low voltage power supply, triode Q1, triode Q2 and
Some resistance；Operational amplifier U1A is connected with power supply；The base stage of the triode Q1 passes through resistance R14 concatenation operation amplifiers
The output end of U1A, the base stage of triode Q2 passes through the output end of resistance R13 concatenation operation amplifiers, the emitter stage of triode Q1
It is connected with resistance R11 and resistance R10 in turn and the emitter stage of triode Q2 between, the colelctor electrode of triode Q1 is connected by resistance R2
Connect power supply；The colelctor electrode of triode Q2 connects power supply by resistance R1.
Described high drive unit includes that first drives output unit and the second driving output unit, and the first driving is defeated
Go out unit including triode Q4, electric capacity C3 and resistance R6, electric capacity C3 and resistance R6 is connected with the colelctor electrode of triode Q4；
Second drives output unit to include triode Q3, electric capacity C2 and resistance R5；Electric capacity C2 and resistance R5 are with triode Q3's
Colelctor electrode is connected；Pass through diode D3 and the diode D4 companies being sequentially connected between the base stage of triode Q4 and triode Q3
Connect, the negative pole of diode D3 is connected with resistance R10 and resistance R11 simultaneously with the positive pole of diode D4, the emitter stage of triode Q3
The colelctor electrode of connecting triode Q1, the colelctor electrode of the emitter stage connecting triode Q2 of triode Q4；Electric capacity C2, resistance R5, electric capacity
The other end of C3 and resistance R6 is all connected with power supply.
Described high-power output unit includes that the grid of two MOSFET, respectively M1 and M2, M1 connects three poles
The colelctor electrode of pipe Q4, the colelctor electrode of the grid connecting triode Q3 of M2, the source electrode of M1 connects the drain electrode of M2, and the drain electrode of M1 is with M2's
Source electrode connects high-voltage suppling power；Output circuit, described output are also associated between the source electrode of described M1 and the drain electrode of M2
Also a part is grounded by resistance R12 and electric capacity C6 on circuit, and another part is grounded by inductance L1 and electric capacity C7.
Described output feedback unit includes voltage feedback circuit and RC feedback circuits, and described voltage feedback circuit will
The output signal of high-power output unit output circuit is converted into the feedback that low-voltage signal feeds back to operational amplifier U1A
End, RC feedback circuits constitute the output signal direct feedback of high-power output unit output circuit to high pressure driver element
Feedback network.
On circuit between described RC feedback circuits left end connection low voltage control unit diode D3 and diode D4,
Right-hand member is connected on the connection circuit of the source electrode of the drain electrode and M2 of high-power output unit M1, is included between left end and right-hand member
Two branch roads arranged side by side, branch road 1 is the resistance R7 and electric capacity C5, the electric capacity C4 of branch road 2 being sequentially connected, and the R7 connects the electricity of left end
Also it is grounded by resistance R8 on road；Described voltage feedback circuit its one end connection output circuit, the other end has passed sequentially through electricity
Resistance R9, resistance R4, resistance R3 ground connection, the connection circuit of resistance R4 and resistance R3 is additionally provided with a branch road concatenation operation amplifier
The feedback end of U1A, the resistance R4 is also parallel with resistance C1.
The method have technical effect that：
Low voltage control unit of the present invention realizes the control and regulation of output voltage and power by normal operation amplifier；High pressure drives
Moving cell directly controls the voltage and current of high-power output unit output end；High-power output unit realizes output
The lifting of voltage and power, improves power output magnitude, voltage Slew Rate and voltage range；Feedback unit is exported by the big work(of high pressure
Rate output unit output end high-voltage signal feeds back to input after accurate partial pressure, realizes input control signal to output end electricity
The regulation of pressure and response speed.
Description of the drawings
Fig. 1 is the general structure block diagram of signal amplification circuit of the present invention.
Fig. 2 signal amplification circuits of the present invention are embodied as structure chart.
Specific embodiment
A kind of high-tension high-power amplifying circuit of use normal operation Amplifier Design, including the low voltage control being sequentially connected
Unit, high drive unit, high-power output unit and output feedback unit, described output feedback unit and low pressure
Control unit connects.
The operational amplifier U1A of described low voltage control unit including low voltage power supply, triode Q1, triode Q2 and
Some resistance；Operational amplifier U1A is connected with power supply；The base stage of the triode Q1 passes through resistance R14 concatenation operation amplifiers
The output end of U1A, the base stage of triode Q2 passes through the output end of resistance R13 concatenation operation amplifiers, the emitter stage of triode Q1
It is connected with resistance R11 and resistance R10 in turn and the emitter stage of triode Q2 between, the colelctor electrode of triode Q1 is connected by resistance R2
Connect power supply；The colelctor electrode of triode Q2 connects power supply by resistance R1.
Wherein U1A is the operational amplifier of a low voltage power supply, by the comparison of input signal and voltage feedback signal,
Using negative-feedback stability characteristic (quality), the linear working state of its output voltage control Q1 and Q2, and then the controllable electricity for flowing through R1, R2
Stream two transistor base voltage swings of size and high drive unit.Therefore in high drive unit triode size of current
It is to be controlled by low voltage control unit, by the size of current for controlling high drive unit, can control high-power output single
Voltage swing between first MOSFET tube grids and source electrode, thus can control the working condition of High voltage output unit, that is, control it
The voltage and current size of output end.
Described high drive unit includes that first drives output unit and the second driving output unit, and the first driving is defeated
Go out unit including triode Q4, electric capacity C3 and resistance R6, electric capacity C3 and resistance R6 is connected with the colelctor electrode of triode Q4；
Second drives output unit to include triode Q3, electric capacity C2 and resistance R5；Electric capacity C2 and resistance R5 are with triode Q3's
Colelctor electrode is connected；Pass through diode D3 and the diode D4 companies being sequentially connected between the base stage of triode Q4 and triode Q3
Connect, the negative pole of diode D3 is connected with resistance R10 and resistance R11 simultaneously with the positive pole of diode D4, the emitter stage of triode Q3
The colelctor electrode of connecting triode Q1, the colelctor electrode of the emitter stage connecting triode Q2 of triode Q4；Electric capacity C2, resistance R5, electric capacity
The other end of C3 and resistance R6 is all connected with power supply.
Controlled by the emitter current and base voltage of low voltage control unit control triode Q3 and triode Q4
Its collector voltage size, and then the size of current on R5, R6 is flow through in control, by changing the ohmically voltage swing of R5, R6
To control the linear working characteristic of High voltage output MOSFET.
Described high-power output unit includes that the grid of two MOSFET, respectively M1 and M2, M1 connects three poles
The colelctor electrode of pipe Q4, the colelctor electrode of the grid connecting triode Q3 of M2, the source electrode of M1 connects the drain electrode of M2, and the drain electrode of M1 is with M2's
Source electrode connects high-voltage suppling power；Output circuit, described output are also associated between the source electrode of described M1 and the drain electrode of M2
Also a part is grounded by resistance R12 and electric capacity C6 on circuit, and another part is grounded by inductance L1 and electric capacity C7.
M1 mono- is PMOS, and one is NMOS, each other to pipe, forms recommending output mode.By the power supply for selecting different voltages
Power supply and pressure MOSFET, can improve output end voltage.The larger device of the pressure resistance to stream of output is generally selected, by right
MOSFET increases heat abstractor can effectively improve power output ability.The operating characteristic of two MOSFET of output end is by resistance
Pressure drop on R5, R6 determines that its pressure drop is changed by its size of current, by the control of low voltage control unit, changes very
Little electric current is just capable of achieving the adjustment of output voltage or power, effectively raises output response speed and precision.
Described output feedback unit includes voltage feedback circuit and RC feedback circuits.Described voltage feedback circuit its
One end connects output circuit, and the other end has passed sequentially through resistance R9, resistance R4, resistance R3 ground connection, the company of resistance R4 and resistance R3
The feedback end that circuit is additionally provided with a branch road concatenation operation amplifier U1A is connect, the resistance R4 is also parallel with resistance C1.Voltage is anti-
Current feed circuit is acted on by the partial pressure of precision resistance, and the output voltage of high-power output unit output circuit is fed back to into low pressure
The feedback end of the operational amplifier U1A of control unit, controls the output of operational amplifier U1A, adjusts high drive electric current.
On circuit between described RC feedback circuits left end connection low voltage control unit diode D3 and diode D4,
Right-hand member is connected on the connection circuit of the source electrode of the drain electrode and M2 of high-power output unit M1, is included between left end and right-hand member
Two branch roads arranged side by side, branch road 1 is the resistance R7 and electric capacity C5, the electric capacity C4 of branch road 2 being sequentially connected, and the R7 connects the electricity of left end
Also it is grounded by resistance R8 on road；The output voltage of high-power output unit output circuit is fed back to height by RC feedback circuits
Pressure driver element, directly affects the output of low voltage voltage control unit and the control end of high drive unit, can improve high pressure drive
The exporting change speed of moving cell, improves the speed of response of circuit.
Claims (6)
1. a kind of high-tension high-power amplifying circuit of use normal operation Amplifier Design, it is characterised in that：Including being sequentially connected
Low voltage control unit, high drive unit, high-power output unit and output feedback unit, described output feedback
Unit is connected with low voltage control unit；
Wherein, low voltage control unit controls the electric current that two triodes are flow through in high drive unit by normal operation amplifier
Size, using its negative-feedback characteristic the control and regulation of output voltage and power are realized；High drive unit directly controls high pressure
The voltage and current of high-power output unit output end；High-power output unit is managed by MOSFET or triode is constituted, real
The lifting of existing output voltage and power, improves power output magnitude, voltage Slew Rate and voltage range；Feedback unit is exported by height
Press high-power output unit output end high-voltage signal that input is fed back to after accurate partial pressure, realize input control signal to defeated
Go out the regulation of terminal voltage and response speed.
2. the high-tension high-power amplifying circuit of a kind of use normal operation Amplifier Design according to claim 1, it is special
Levy and be：The operational amplifier U1A of described low voltage control unit including low voltage power supply, triode Q1, triode Q2 and
Some resistance；Operational amplifier U1A is connected with power supply；The base stage of the triode Q1 passes through resistance R14 concatenation operation amplifiers
The output end of U1A, the base stage of triode Q2 passes through the output end of resistance R13 concatenation operation amplifiers, the emitter stage of triode Q1
It is connected with resistance R11 and resistance R10 in turn and the emitter stage of triode Q2 between, the colelctor electrode of triode Q1 is connected by resistance R2
Connect power supply；The colelctor electrode of triode Q2 connects power supply by resistance R1.
3. the high-tension high-power amplifying circuit of a kind of use normal operation Amplifier Design according to claim 1, it is special
Levy and be：Described high drive unit includes that first drives output unit and the second driving output unit, and the first driving is defeated
Go out unit including triode Q4, electric capacity C3 and resistance R6, electric capacity C3 and resistance R6 is connected with the colelctor electrode of triode Q4；
Second drives output unit to include triode Q3, electric capacity C2 and resistance R5；Electric capacity C2 and resistance R5 are with triode Q3's
Colelctor electrode is connected；Pass through diode D3 and the diode D4 companies being sequentially connected between the base stage of triode Q4 and triode Q3
Connect, the negative pole of diode D3 is connected with resistance R10 and resistance R11 simultaneously with the positive pole of diode D4, the emitter stage of triode Q3
The colelctor electrode of connecting triode Q1, the colelctor electrode of the emitter stage connecting triode Q2 of triode Q4；Electric capacity C2, resistance R5, electric capacity
The other end of C3 and resistance R6 is all connected with power supply.
4. the high-tension high-power amplifying circuit of a kind of use normal operation Amplifier Design according to claim 1, it is special
Levy and be：Described high-power output unit includes the grid connecting triode of two MOSFET, respectively M1 and M2, M1
The colelctor electrode of Q4, the colelctor electrode of the grid connecting triode Q3 of M2, the source electrode of M1 connects the drain electrode of M2, the drain electrode of M1 and the source of M2
Pole connects high-voltage suppling power；Output circuit, described output electricity are also associated between the source electrode of described M1 and the drain electrode of M2
Also a part is grounded by resistance R12 and electric capacity C6 on road, and another part is grounded by inductance L1 and electric capacity C7.
5. the high-tension high-power amplifying circuit of a kind of use normal operation Amplifier Design according to claim 1, it is special
Levy and be：Described output feedback unit includes voltage feedback circuit and RC feedback circuits, and described voltage feedback circuit will
The output signal of high-power output unit output circuit is converted into the feedback that low-voltage signal feeds back to operational amplifier U1A
End, RC feedback circuits constitute the output signal direct feedback of high-power output unit output circuit to high pressure driver element
Feedback network.
6. the high-tension high-power amplifying circuit of a kind of use normal operation Amplifier Design according to claim 5, it is special
Levy and be：On circuit between described RC feedback circuits left end connection low voltage control unit diode D3 and diode D4,
Right-hand member is connected on the connection circuit of the source electrode of the drain electrode and M2 of high-power output unit M1, is included between left end and right-hand member
Two branch roads arranged side by side, branch road 1 is the resistance R7 and electric capacity C5, the electric capacity C4 of branch road 2 being sequentially connected, and the R7 connects the electricity of left end
Also it is grounded by resistance R8 on road；Described voltage feedback circuit its one end connection output circuit, the other end has passed sequentially through electricity
Resistance R9, resistance R4, resistance R3 ground connection, the connection circuit of resistance R4 and resistance R3 is additionally provided with a branch road concatenation operation amplifier
The feedback end of U1A, the resistance R4 is also parallel with resistance C1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611254682.4A CN106656067B (en) | 2016-12-30 | 2016-12-30 | High-voltage high-power amplifying circuit designed by common operational amplifier |
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| CN201611254682.4A CN106656067B (en) | 2016-12-30 | 2016-12-30 | High-voltage high-power amplifying circuit designed by common operational amplifier |
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| CN106656067A true CN106656067A (en) | 2017-05-10 |
| CN106656067B CN106656067B (en) | 2022-04-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017769A (en) * | 2017-06-08 | 2017-08-04 | 山东超越数控电子有限公司 | A kind of momentary high power of low-power equipment is powered output intent |
| CN108365824A (en) * | 2018-02-02 | 2018-08-03 | 上海理工大学 | Portable high-pressure amplifier |
| CN109471482A (en) * | 2018-09-12 | 2019-03-15 | 华中科技大学 | A kind of high-voltage signal amplification system of bipolarity Multiple isolated outputs |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040227571A1 (en) * | 2003-05-12 | 2004-11-18 | Yasuji Kuribayashi | Power amplifier circuit |
| CN1941582A (en) * | 2005-09-29 | 2007-04-04 | 三星电子株式会社 | High power supply to control an abnormal load |
| JP2007312368A (en) * | 2006-04-20 | 2007-11-29 | Fuji Electric Device Technology Co Ltd | Signal amplifier circuit |
| CN101154926A (en) * | 2006-09-28 | 2008-04-02 | 松下电器产业株式会社 | Amplifier circuit with multiple power supplies |
| CN101826844A (en) * | 2010-05-06 | 2010-09-08 | 华为技术有限公司 | Power amplifier and signal amplifying method based on power amplifier |
| CN103166471A (en) * | 2011-12-19 | 2013-06-19 | 比亚迪股份有限公司 | Switching power supply, control method of switching power supply and control chip |
| CN203434937U (en) * | 2013-07-05 | 2014-02-12 | 陕西开尔文测控技术有限公司 | High voltage generator with feedback devices |
| JP2014175983A (en) * | 2013-03-12 | 2014-09-22 | Toyota Central R&D Labs Inc | Amplification circuit |
| CN104242841A (en) * | 2014-09-01 | 2014-12-24 | 中国科学院长春光学精密机械与物理研究所 | Piezoceramics driving amplifying circuit with high precision |
| CN204156828U (en) * | 2014-08-19 | 2015-02-11 | 千江（上海）信息科技有限公司 | High voltage operational amplifying circuit |
-
2016
- 2016-12-30 CN CN201611254682.4A patent/CN106656067B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040227571A1 (en) * | 2003-05-12 | 2004-11-18 | Yasuji Kuribayashi | Power amplifier circuit |
| CN1941582A (en) * | 2005-09-29 | 2007-04-04 | 三星电子株式会社 | High power supply to control an abnormal load |
| JP2007312368A (en) * | 2006-04-20 | 2007-11-29 | Fuji Electric Device Technology Co Ltd | Signal amplifier circuit |
| CN101154926A (en) * | 2006-09-28 | 2008-04-02 | 松下电器产业株式会社 | Amplifier circuit with multiple power supplies |
| CN101826844A (en) * | 2010-05-06 | 2010-09-08 | 华为技术有限公司 | Power amplifier and signal amplifying method based on power amplifier |
| CN103166471A (en) * | 2011-12-19 | 2013-06-19 | 比亚迪股份有限公司 | Switching power supply, control method of switching power supply and control chip |
| JP2014175983A (en) * | 2013-03-12 | 2014-09-22 | Toyota Central R&D Labs Inc | Amplification circuit |
| CN203434937U (en) * | 2013-07-05 | 2014-02-12 | 陕西开尔文测控技术有限公司 | High voltage generator with feedback devices |
| CN204156828U (en) * | 2014-08-19 | 2015-02-11 | 千江（上海）信息科技有限公司 | High voltage operational amplifying circuit |
| CN104242841A (en) * | 2014-09-01 | 2014-12-24 | 中国科学院长春光学精密机械与物理研究所 | Piezoceramics driving amplifying circuit with high precision |
Non-Patent Citations (2)
| Title |
|---|
| 刘国刚: "功率放大器的OTL及自举电路", 《现代电影技术》 * |
| 赵庆斌: "甚高压超大功率放大器", 《中国优秀硕士学位论文全文数据库 (信息科技辑)》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017769A (en) * | 2017-06-08 | 2017-08-04 | 山东超越数控电子有限公司 | A kind of momentary high power of low-power equipment is powered output intent |
| CN108365824A (en) * | 2018-02-02 | 2018-08-03 | 上海理工大学 | Portable high-pressure amplifier |
| CN108365824B (en) * | 2018-02-02 | 2021-08-24 | 上海理工大学 | Portable high-voltage amplifier |
| CN109471482A (en) * | 2018-09-12 | 2019-03-15 | 华中科技大学 | A kind of high-voltage signal amplification system of bipolarity Multiple isolated outputs |
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| Publication number | Publication date |
|---|---|
| CN106656067B (en) | 2022-04-15 |
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Denomination of invention: A High Voltage and High Power Amplifier Circuit Designed with Ordinary Operational Amplifier Effective date of registration: 20221107 Granted publication date: 20220415 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI HITECH ELECTRONIC Co.,Ltd. Registration number: Y2022610000715 |
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