CN104753480A - Differential amplification circuit of computer - Google Patents
Differential amplification circuit of computer Download PDFInfo
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- CN104753480A CN104753480A CN201310755079.4A CN201310755079A CN104753480A CN 104753480 A CN104753480 A CN 104753480A CN 201310755079 A CN201310755079 A CN 201310755079A CN 104753480 A CN104753480 A CN 104753480A
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Abstract
The invention discloses a differential amplification circuit of a computer. The differential amplification circuit comprises a first CA3005-type amplifier, a second CA3005-type amplifier, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a first diode, a second diode, a first capacitor, a second capacitor and a power supply. The first end of the first resistor is a first signal input end of the differential amplification circuit. The first end of the second resistor is a second signal input end of the differential amplification circuit. The second end of the first resistor is connected with a first pin end of the first CA3005 -type amplifier, the first ends of the ninth and tenth resistors and the first end of the second resistor respectively. The differential amplification circuit has the advantages that the problems of the prior art of complicated structure and unstable operation condition are solved, and high promotion and application value is achieved.
Description
Technical field
The present invention relates to a kind of computer internal signal treatment circuit, particularly relate to a kind of differential amplifier circuit for computer.
Background technology
Computer (computer) is commonly called as computer, is a kind of electronic computer device for supercomputing, can carries out numerical computations, can carry out logical calculated again, also have store-memory function.Can run according to program, automatically, the modernization intelligent electronic device of high speed processing mass data.Being made up of hardware system and software systems, the computer not installing any software is called bare machine.Can be divided into supercomputer, industrial control computer, network computer, personal computer, embedded computer five class, more advanced computer has bio-computer, photonic computer, quantum computer etc.
Invention on computer person John von Neumann, computer is one of 20th century state-of-the-art science and technology invention, creates extremely important impact to the activity in production of the mankind and social activities, and with powerful vitality develop rapidly.Its application is from initial military research application extension to the every field of society, define huge computer industry, drive the technological progress of global range, cause deep social change thus, computer is throughout general school, enterprises and institutions, enter common people house, become requisite instrument in information-intensive society.
Computer application is more and more general in China, and after reform and opening-up, the quantity of China Computer Users constantly rises, and application level improves constantly, and particularly the application in the field such as the Internet, communication, multimedia achieves good achievement.1996 to 2009, computer user's quantity rose to 6,710 ten thousand from original 6,300,000, and Net-connected computer number of units rises to 5,940 ten thousand by original 2.9 ten thousand.
A lot of signal processing circuit is had in computer, send after the various signals of various signal processing circuit to input computer process, allow operator recognize information, the complicated structure of differential amplifier circuit conventional in computer, operating state is much all unstable.
Summary of the invention
Object of the present invention is just to provide a kind of differential amplifier circuit for computer to solve the problem.
In order to achieve the above object, present invention employs following technical scheme:
A kind of differential amplifier circuit for computer, comprise a CA3005 type amplifier, 2nd CA3005 type amplifier, first resistance is to the tenth resistance, first diode, second diode, first electric capacity, second electric capacity and power supply, the first end of described first resistance is the first signal input part of described differential amplifier circuit, the first end of described second resistance is the secondary signal input of described differential amplifier circuit, second end of described first resistance respectively with the first leads ends of a described CA3005 type amplifier, the first end of described 9th resistance, the first end of described tenth resistance is connected with the first end of described second electric capacity, second end of described second resistance respectively with the first end of described 4th resistance, the first end of described 8th resistance, the first end of described first electric capacity is connected with the 7th leads ends of a described CA3005 type amplifier, second end of described 8th resistance respectively with the second end of described 9th resistance, 4th leads ends of a described CA3005 type amplifier, 5th leads ends of a described CA3005 type amplifier, 4th leads ends of described 2nd CA3005 type amplifier, 5th leads ends of described 2nd CA3005 type amplifier is connected with the negative pole of described power supply, second end of described tenth resistance is connected with the first end of described 5th resistance and the second end of described second electric capacity respectively, second end of described 5th resistance respectively with the first end of described 3rd resistance, the first end of described 6th resistance, the first end of described 7th resistance, 9th leads ends of a described CA3005 type amplifier, 9th leads ends of described 2nd CA3005 type amplifier is connected with the positive pole of described power supply, second end of described first electric capacity respectively with the second end of described 4th resistance, second end of described 7th resistance is connected with the 11 leads ends of described 2nd CA3005 type amplifier, 11 leads ends of described 2nd CA3005 type amplifier is the first signal output part of described differential amplifier circuit, second end of described 3rd resistance respectively with the negative pole of described first diode, the positive pole of described second diode, 11 leads ends of a described CA3005 type amplifier is connected with the first leads ends of described 2nd CA3005 type amplifier, 12 leads ends ground connection of a described CA3005 type amplifier, tenth leads ends of a described CA3005 type amplifier respectively with the positive pole of described first diode, the negative pole of described second diode, second end of described 6th resistance is connected with the 7th leads ends of described 2nd CA3005 type amplifier, 12 leads ends ground connection of a described CA3005 type amplifier, tenth leads ends of a described CA3005 type amplifier is the secondary signal output of described differential amplifier circuit.
Beneficial effect of the present invention is:
The present invention is a kind of differential amplifier circuit for computer, solves the complicated structure of differential amplifier circuit and the problem of unstable working condition in active computer, has the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of differential amplifier circuit for computer of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, the present invention is a kind of differential amplifier circuit for computer, comprise a CA3005 type amplifier IC1, 2nd CA3005 type amplifier IC2, first resistance R1 is to the tenth resistance R10, first diode D1, second diode D2, first electric capacity C1, second electric capacity C2 and power supply, the first end of the first resistance R1 is the first signal input part of differential amplifier circuit, the first end of the second resistance R2 is the secondary signal input of differential amplifier circuit, second end of the first resistance R1 respectively with first leads ends of a CA3005 type amplifier IC1, the first end of the 9th resistance R9, the first end of the tenth resistance R10 is connected with the first end of the second electric capacity C2, second end of the second resistance R2 respectively with the first end of the 4th resistance R4, the first end of the 8th resistance R8, the first end of the first electric capacity C1 is connected with the 7th leads ends of a CA3005 type amplifier IC1, second end of the 8th resistance R8 respectively with second end of the 9th resistance R9, 4th leads ends of the one CA3005 type amplifier IC1, 5th leads ends of the one CA3005 type amplifier IC1, 4th leads ends of the 2nd CA3005 type amplifier IC2, 5th leads ends of the 2nd CA3005 type amplifier IC2 is connected with the negative pole of power supply, second end of the tenth resistance R10 is connected with the first end of the 5th resistance R5 and second end of the second electric capacity C2 respectively, second end of the 5th resistance R5 respectively with the first end of the 3rd resistance R3, the first end of the 6th resistance R6, the first end of the 7th resistance R7, 9th leads ends of the one CA3005 type amplifier IC1, 9th leads ends of the 2nd CA3005 type amplifier IC2 is connected with the positive pole of power supply, second end of the first electric capacity C1 respectively with second end of the 4th resistance R4, second end of the 7th resistance R7 is connected with the 11 leads ends of the 2nd CA3005 type amplifier IC2, 11 leads ends of the 2nd CA3005 type amplifier IC2 is the first signal output part of differential amplifier circuit, second end of the 3rd resistance R3 respectively with the negative pole of the first diode D1, the positive pole of the second diode D2, 11 leads ends of the one CA3005 type amplifier IC1 is connected with first leads ends of the 2nd CA3005 type amplifier IC2, the 12 leads ends ground connection of the one CA3005 type amplifier IC1, tenth leads ends of the one CA3005 type amplifier IC1 respectively with the positive pole of the first diode D1, the negative pole of the second diode D2, second end of the 6th resistance R6 is connected with the 7th leads ends of the 2nd CA3005 type amplifier IC2, the 12 leads ends ground connection of the one CA3005 type amplifier IC1, tenth leads ends of the one CA3005 type amplifier IC1 is the secondary signal output of differential amplifier circuit.
Technical scheme of the present invention is not limited to the restriction of above-mentioned specific embodiment, the technology distortion that every technical scheme according to the present invention is made, and all falls within protection scope of the present invention.
Claims (1)
1. the differential amplifier circuit for computer, it is characterized in that: comprise a CA3005 type amplifier, 2nd CA3005 type amplifier, first resistance is to the tenth resistance, first diode, second diode, first electric capacity, second electric capacity and power supply, the first end of described first resistance is the first signal input part of described differential amplifier circuit, the first end of described second resistance is the secondary signal input of described differential amplifier circuit, second end of described first resistance respectively with the first leads ends of a described CA3005 type amplifier, the first end of described 9th resistance, the first end of described tenth resistance is connected with the first end of described second electric capacity, second end of described second resistance respectively with the first end of described 4th resistance, the first end of described 8th resistance, the first end of described first electric capacity is connected with the 7th leads ends of a described CA3005 type amplifier, second end of described 8th resistance respectively with the second end of described 9th resistance, 4th leads ends of a described CA3005 type amplifier, 5th leads ends of a described CA3005 type amplifier, 4th leads ends of described 2nd CA3005 type amplifier, 5th leads ends of described 2nd CA3005 type amplifier is connected with the negative pole of described power supply, second end of described tenth resistance is connected with the first end of described 5th resistance and the second end of described second electric capacity respectively, second end of described 5th resistance respectively with the first end of described 3rd resistance, the first end of described 6th resistance, the first end of described 7th resistance, 9th leads ends of a described CA3005 type amplifier, 9th leads ends of described 2nd CA3005 type amplifier is connected with the positive pole of described power supply, second end of described first electric capacity respectively with the second end of described 4th resistance, second end of described 7th resistance is connected with the 11 leads ends of described 2nd CA3005 type amplifier, 11 leads ends of described 2nd CA3005 type amplifier is the first signal output part of described differential amplifier circuit, second end of described 3rd resistance respectively with the negative pole of described first diode, the positive pole of described second diode, 11 leads ends of a described CA3005 type amplifier is connected with the first leads ends of described 2nd CA3005 type amplifier, 12 leads ends ground connection of a described CA3005 type amplifier, tenth leads ends of a described CA3005 type amplifier respectively with the positive pole of described first diode, the negative pole of described second diode, second end of described 6th resistance is connected with the 7th leads ends of described 2nd CA3005 type amplifier, 12 leads ends ground connection of a described CA3005 type amplifier, tenth leads ends of a described CA3005 type amplifier is the secondary signal output of described differential amplifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755079.4A CN104753480A (en) | 2013-12-30 | 2013-12-30 | Differential amplification circuit of computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755079.4A CN104753480A (en) | 2013-12-30 | 2013-12-30 | Differential amplification circuit of computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104753480A true CN104753480A (en) | 2015-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310755079.4A Pending CN104753480A (en) | 2013-12-30 | 2013-12-30 | Differential amplification circuit of computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104753480A (en) |
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2013
- 2013-12-30 CN CN201310755079.4A patent/CN104753480A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150701 |
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| WD01 | Invention patent application deemed withdrawn after publication |