CN104953958B - The high power RF amplifier circuit that a kind of performance is stablized - Google Patents

The high power RF amplifier circuit that a kind of performance is stablized Download PDF

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Publication number
CN104953958B
CN104953958B CN201510301183.5A CN201510301183A CN104953958B CN 104953958 B CN104953958 B CN 104953958B CN 201510301183 A CN201510301183 A CN 201510301183A CN 104953958 B CN104953958 B CN 104953958B
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China
Prior art keywords
capacitance
resistance
triode
connects
amplifier
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Expired - Fee Related
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CN201510301183.5A
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Chinese (zh)
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CN104953958A (en
Inventor
施连敏
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Suzhou Institute of Trade and Commerce
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Suzhou Institute of Trade and Commerce
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Abstract

The invention discloses the high power RF amplifier circuit that a kind of performance is stablized, including first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first capacitance, the second capacitance, third capacitance, the 4th capacitance, the 5th capacitance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 9th capacitance, the tenth capacitance, the 11st capacitance, the first triode, the second triode, amplifier chip;Circuit of the present invention is used simultaneously using amplifier chip and triode, by the intrinsic performance of amplifier, adds in the changeable characteristic of triode, circuit is made to be also equipped with flexible and changeable adjustability while there is stability, the requirement of diversified electronic circuit instantly is adapted to, it is ingenious in design, it is worthy to be popularized.

Description

The high power RF amplifier circuit that a kind of performance is stablized
Technical field
The invention discloses the high power RF amplifier circuits that a kind of performance is stablized, and are related to technical field of data processing.
Background technology
The application field of radio-frequency power amplifier is than wide, such as in radar, communication, navigation, ground satellite station, electronics It is required in countermeasurer, radio-frequency power amplifier is compared with low-noise amplifier, it is in addition to that will meet certain gain, stay Outside Bobbi, frequency band, more prominent requirement is high-output power and high conversion efficiency and reduces non-linear distortion.
With the development of integrated circuit, more and more power amplifier chips occur, instead of original lumped parameter Power amplifier, the power amplifier chip inherently encapsulated because be encapsulated moulding, fixed by performance, and when debugging compares appearance It is vulnerable to limitation, performance is relatively simple, does not have flexible and changeable characteristic, so realizing high-power while having also needed to steady Qualitative, this is current problem in urgent need to solve.
Invention content
The technical problems to be solved by the invention are:In view of the drawbacks of the prior art, the Gao Gong that a kind of performance is stablized is provided Rate radio-frequency amplifier circuit, this circuit using amplifier chip and triode are used, by the intrinsic performance of amplifier, added simultaneously Enter the changeable characteristic of triode, circuit is made to be also equipped with flexible and changeable adjustability while there is stability, adapt to instantly more The requirement of sample electronic circuit, it is ingenious in design, it is worthy to be popularized.
The present invention uses following technical scheme to solve above-mentioned technical problem:
The high power RF amplifier circuit that a kind of performance is stablized, including first resistor, second resistance, 3rd resistor, the Four resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first capacitance, the second capacitance, third capacitance, the 4th capacitance, the 5th electricity Appearance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 9th capacitance, the tenth capacitance, the 11st capacitance, the first triode, the two or three Pole pipe, amplifier chip;
The normal phase input end of one end connection amplifier chip of first capacitance, the anti-phase input of the amplifier chip One end of the second capacitance of end connection, the other end of second capacitance connect respectively one end of first resistor, the 5th resistance one End, the other end ground connection of the first resistor;
The voltage end of the amplifier chip connect respectively one end of 3rd resistor, the 4th capacitance one end, the third One end of the other end connection third capacitance of resistance, the other end of the third capacitance connect one end of the tenth capacitance, the respectively The emitter of one triode;
The other end ground connection of tenth capacitance, the base stage of first triode connects one end of the 4th resistance, described The other end of 4th resistance connects the other end of the 4th capacitance;
The collector of first triode connects one end of the 7th capacitance, and the other end of the 7th capacitance connects respectively One end of 5th capacitance, one end of the 6th resistance, the 9th capacitance one end;
The other end of 9th capacitance connects one end of the 7th resistance, the other end connection the 11st of the 7th resistance One end of capacitance, the other end of the 11st capacitance connect one end of the 8th capacitance;
The output terminal of the other end connection amplifier chip of 5th capacitance, the other end of the 6th resistance connect respectively Connect the other end of the 5th resistance, the collector of the second triode;
The emitter of second triode connects the other end of the 8th capacitance;The base stage connection the of second triode One end of six capacitances;
The other end of 6th capacitance connect respectively the negative-feedback end of amplifier chip, second resistance one end, it is described The other end of second resistance connects one end of the 8th capacitance.
Scheme, the model LM741CN of the amplifier chip are advanced optimized as the present invention.
Scheme, the model BC140 of first triode are advanced optimized as the present invention.
Scheme, the model BC160 of second triode are advanced optimized as the present invention.
Scheme, the voltage of one end connection+5V of the tenth capacitance are advanced optimized as the present invention.
The present invention compared with prior art, has following technique effect using above technical scheme:Circuit of the present invention uses Amplifier chip and triode use simultaneously, by the intrinsic performance of amplifier, add in the changeable characteristic of triode, have circuit Flexible and changeable adjustability is also equipped with while having stability, adapts to the requirement of diversified electronic circuit instantly, it is ingenious in design, It is worthy to be popularized.
Description of the drawings
Fig. 1 is the circuit diagram of the present invention;
R1-R7 represents first resistor to the 7th resistance respectively, and C1-C11 represents the first capacitance to the 11st capacitance respectively, T1-T2 represents the first triode, the second triode respectively, and U1 represents amplifier chip.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are it is understood that the correlation module and its function of realization that are arrived involved in the present invention It is that computer software programs conventional in the prior art are carried on improved hardware and its device of composition, device or system Or related agreement achieves that, is not that computer software programs of the prior art or related agreement are improved.For example, Improved computer hardware system still can realize the spy of the hardware system by loading existing operation system of software Determine function.It is understood, therefore, that the innovation of the present invention is the improvement to hardware module in the prior art and its company Connect syntagmatic rather than only to the improvement to realize the software carried in relation to function or agreement in hardware module.
Those skilled in the art of the present technique are it is understood that correlation module mentioned in the present invention is performed for the application Described in one or more hardware devices in step in operation, method, flow, measure, scheme.The hardware device can Think required purpose and specially design and manufacture or can also use all-purpose computer in known device or it is known its His hardware device.The all-purpose computer is activated or is reconstructed with having the procedure selection being stored in it.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one It is a ", " described " and "the" may also comprise plural form.It is to be further understood that is used in the specification of the present invention arranges Diction " comprising " refers to there are the feature, integer, step, operation, element and/or component, but it is not excluded that presence or addition Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member Part is " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements or there may also be Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or coupling.Wording used herein "and/or" includes any cell of one or more associated list items and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein(Including technology art Language and scientific terminology)With the identical meaning of the general understanding with the those of ordinary skill in fields of the present invention.Should also Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings:
The structural model schematic diagram of the present invention is as shown in Figure 1, the high power RF amplifier circuit that a kind of performance is stablized, packet Include first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first capacitance, Two capacitances, third capacitance, the 4th capacitance, the 5th capacitance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 9th capacitance, the tenth electricity Appearance, the 11st capacitance, the first triode, the second triode, amplifier chip;
The normal phase input end of one end connection amplifier chip of first capacitance, the anti-phase input of the amplifier chip One end of the second capacitance of end connection, the other end of second capacitance connect respectively one end of first resistor, the 5th resistance one End, the other end ground connection of the first resistor;
The voltage end of the amplifier chip connect respectively one end of 3rd resistor, the 4th capacitance one end, the third One end of the other end connection third capacitance of resistance, the other end of the third capacitance connect one end of the tenth capacitance, the respectively The emitter of one triode;
The other end ground connection of tenth capacitance, the base stage of first triode connects one end of the 4th resistance, described The other end of 4th resistance connects the other end of the 4th capacitance;
The collector of first triode connects one end of the 7th capacitance, and the other end of the 7th capacitance connects respectively One end of 5th capacitance, one end of the 6th resistance, the 9th capacitance one end;
The other end of 9th capacitance connects one end of the 7th resistance, the other end connection the 11st of the 7th resistance One end of capacitance, the other end of the 11st capacitance connect one end of the 8th capacitance;
The output terminal of the other end connection amplifier chip of 5th capacitance, the other end of the 6th resistance connect respectively Connect the other end of the 5th resistance, the collector of the second triode;
The emitter of second triode connects the other end of the 8th capacitance;The base stage connection the of second triode One end of six capacitances;
The other end of 6th capacitance connect respectively the negative-feedback end of amplifier chip, second resistance one end, it is described The other end of second resistance connects one end of the 8th capacitance.
The model LM741CN of amplifier chip;The model BC140 of first triode;The model of second triode BC160;The voltage of one end connection+5V of tenth capacitance.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations Mode, within the knowledge of a person skilled in the art, can also be under the premise of present inventive concept not be departed from It makes a variety of changes.The above described is only a preferred embodiment of the present invention, not make limit in any form to the present invention System although the present invention is disclosed above with preferred embodiment, is not limited to the present invention, any skill for being familiar with this profession Art personnel, without departing from the scope of the present invention, when the technology contents using the disclosure above make it is a little change or The equivalent embodiment of equivalent variations is modified to, as long as being without departing from technical solution of the present invention content, technology reality according to the present invention Matter, within the spirit and principles in the present invention, any simple modification, equivalent replacement and the improvement made to above example Deng still falling within the protection domain of technical solution of the present invention.

Claims (5)

1. a kind of high power RF amplifier circuit that performance is stablized, it is characterised in that:Including first resistor, second resistance, Three resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first capacitance, the second capacitance, third capacitance, the 4th electricity Appearance, the 5th capacitance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 9th capacitance, the tenth capacitance, the 11st capacitance, the one or three pole Pipe, the second triode, amplifier chip;
The normal phase input end of one end connection amplifier chip of first capacitance, the inverting input of the amplifier chip connect Connect one end of the second capacitance, the other end of second capacitance connect respectively one end of first resistor, the 5th resistance one end, institute State the other end ground connection of first resistor;
The positive feedback end of the amplifier chip connect respectively one end of 3rd resistor, the 4th capacitance one end, third electricity One end of the other end connection third capacitance of resistance, the other end of the third capacitance connect one end of the tenth capacitance, first respectively The emitter of triode;
The other end ground connection of tenth capacitance, one end of base stage the 4th resistance of connection of first triode, the described 4th The other end of resistance connects the other end of the 4th capacitance;
The collector of first triode connects one end of the 7th capacitance, and the other end of the 7th capacitance connects the 5th respectively One end of capacitance, one end of the 6th resistance, the 9th capacitance one end;
The other end of 9th capacitance connects one end of the 7th resistance, and the other end of the 7th resistance connects the 11st capacitance One end, the other end of the 11st capacitance connects one end of the 8th capacitance;
The output terminal of the other end connection amplifier chip of 5th capacitance, the other end of the 6th resistance connect the respectively The collector of the other end of five resistance, the second triode;
The base stage of second triode connects one end of the 6th capacitance, and the other end of the 6th capacitance connects amplifier respectively The negative-feedback end of chip, one end of second resistance, one end of the other end the 8th capacitance of connection of the second resistance, the described 8th The other end of capacitance connects the emitter of the second triode.
2. the high power RF amplifier circuit that a kind of performance as described in claim 1 is stablized, it is characterised in that:The amplification The model LM741CN of device chip.
3. the high power RF amplifier circuit that a kind of performance as described in claim 1 is stablized, it is characterised in that:Described first The model BC140 of triode.
4. the high power RF amplifier circuit that a kind of performance as described in claim 1 is stablized, it is characterised in that:Described second The model BC160 of triode.
5. the high power RF amplifier circuit that a kind of performance as described in claim 1 is stablized, it is characterised in that:Described tenth The voltage of one end connection+5V of capacitance.
CN201510301183.5A 2015-06-05 2015-06-05 The high power RF amplifier circuit that a kind of performance is stablized Expired - Fee Related CN104953958B (en)

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CN104953958B true CN104953958B (en) 2018-06-19

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919655A (en) * 1973-12-26 1975-11-11 Electronics Research Group Inc High power operational amplifier
CN1866732A (en) * 2006-06-08 2006-11-22 华中科技大学 High-frequency power amplifying circuit
CN1972118A (en) * 2005-11-24 2007-05-30 苏州中科半导体集成技术研发中心有限公司 High-linear high-gain broadband radio frequency low-noise amplifier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919655A (en) * 1973-12-26 1975-11-11 Electronics Research Group Inc High power operational amplifier
CN1972118A (en) * 2005-11-24 2007-05-30 苏州中科半导体集成技术研发中心有限公司 High-linear high-gain broadband radio frequency low-noise amplifier
CN1866732A (en) * 2006-06-08 2006-11-22 华中科技大学 High-frequency power amplifying circuit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
uA741直接耦合功放电路;dolphin;《电子产品世界》;20130416;第1页 *
用UA741的直接耦合音频功率放大器电路;广电电器网;《广电电器网》;20100113;第1页 *

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