CN106656073A - Sensor electronic signal amplifier - Google Patents
Sensor electronic signal amplifier Download PDFInfo
- Publication number
- CN106656073A CN106656073A CN201610968219.XA CN201610968219A CN106656073A CN 106656073 A CN106656073 A CN 106656073A CN 201610968219 A CN201610968219 A CN 201610968219A CN 106656073 A CN106656073 A CN 106656073A
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- China
- Prior art keywords
- resistance
- triode
- electric capacity
- amplifier
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 239000003990 capacitor Substances 0.000 abstract 1
- 239000000411 inducer Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- 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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
-
- 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
- H03F1/347—Negative-feedback-circuit arrangements with or without positive feedback using transformers
-
- 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
- H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a sensor electronic signal amplifier. The amplifier comprises first to nineteenth resistors, first to eleventh capacitors, a first triode, a second triode and an inducer. Compared with the prior art, the amplifier adopts two triode transmission-line transformers to transmit high-frequency energy in a wide-band range and to realize impedance matching between amplifiers or to realize impedance matching between amplifiers and loads. The eighth resistor and the ninth resistor form a wide-band transmission-line transformer, and the tenth resistor and the eleventh resistor form another wide-band transmission-line transformer. A 16:1 impedance transformer is formed by series connection, and the high-output impedance of the first triode is matched with the low-input impedance of the second triode. Each stage of a circuit adopts a voltage negative feedback circuit to improve the properties of the amplifier, and therefore the transmission efficiency of a sensor is improved and the amplifier has popularization and application value.
Description
Technical field
The present invention relates to a kind of electronic installation, more particularly to a kind of sensor electronic signal amplifier.
Background technology
Sensor is a kind of detection means, can experience measured information, and can be by the information experienced, by a set pattern
Rule is for conversion into electric signal or the information output of other desired forms, to meet transmission, process, storage, display, the record of information
With control etc. require.
The characteristics of sensor, includes:Miniaturization, digitlization, intellectuality, multifunction, systematization, networking.It is to realize
Automatic detection and the primary link for automatically controlling.The presence and development of sensor, allows object to have tactile, taste and smell etc. to feel
Official, allows object slowly to become to have lived.It is divided into temperature-sensitive element, light-sensitive element, gas sensitive element generally according to its basic perceptional function
Part, force sensing element, magneto sensor, dew cell, acoustic sensor, radioactive ray sensing element, color sensor and quick element of taste etc. ten
Big class.
In prior art, the transmission range of sensor farther out in the case of, restricting the number can be caused weak, remote-effects equipment
Work, accordingly, there exist room for improvement.
The content of the invention
The purpose of the present invention is that and provide a kind of sensor electronic signal amplifier in order to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose:
First resistor of the present invention is for 10 Ω, second resistance by first resistor to the 19th resistance, the first electric capacity to the 11st
Electric capacity, the first triode, the second triode and inductance composition, be 200 Ω, 3rd resistor be 300 Ω, the 4th resistance be 4k Ω,
5th resistance be 2k Ω, the 6th resistance to the 8th resistance be 280 Ω, the 9th resistance for 470 Ω, the tenth resistance be 10k Ω, the
11 resistance to the 13rd resistance are 72k Ω, the 14th resistance and the 19th resistance and are 120 Ω, the first electric capacity and are
400uf, the second electric capacity be 47uf, the 3rd electric capacity be 0.1uf, the 4th electric capacity be 100uf, the 5th electric capacity be 0.01uf, the 6th electric
Hold for 10uf, the 7th electric capacity be 72uf, the 8th electric capacity to the 11st electric capacity be 470uf, inductance for 0.4mm copper core coilings it is straight
The circle of footpath 5mm coil 10 is formed, and the first triode and the second triode model are PNP type triode.
The beneficial effects of the present invention is:
The present invention is a kind of sensor electronic signal amplifier, and compared with prior art, the present invention adopts two triodes
Line transformer transmits high-frequency energy in broad frequency range and realizes the impedance matching between amplifier and amplifier or reality
Impedance matching between existing amplifier and load.8th resistance, the 9th resistance one broad-band transmission line transformer of composition, the tenth
Resistance, the 11st resistance constitute another broad-band transmission line transformer, compose in series 16:1 impedance transformer, makes the one or three pole
The high output impedance of pipe matches with the low input impedance of the second triode.Circuit all employs negative voltage feedback electricity per one-level
Road, to improve the performance of amplifier, so as to improve the efficiency of transmission of sensor, the value with popularization and application.
Description of the drawings
Fig. 1 is the circuit structure schematic diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described:
As shown in Figure 1:The present invention is by first resistor to the 19th resistance, the first electric capacity to the 11st electric capacity, the one or three pole
Pipe, the second triode and inductance composition, first resistor R1 is 10 Ω, second resistance R2 is 200 Ω, 3rd resistor R3 is 300 Ω,
4th resistance R4 is 280 Ω, the 9th resistance R9 for 4k Ω, the 5th resistance R5 for 2k Ω, the 6th resistance R8 of resistance R6 to the 8th
72k Ω, the 14th resistance are for 470 Ω, the tenth resistance R10 for 10k Ω, the 11st resistance R13 of resistance R11 to the 13rd
R14 and the 19th resistance R19 are 120 Ω, the first electric capacity C1
0.1uf, the 4th electric capacity C4 be 100uf, the 5th electric capacity C5 be 0.01uf, the 6th electric capacity C6 be 10uf, the 7th electric capacity C7 be 72uf,
The 8th electric capacity C11 of electric capacity C8 to the 11st are 470uf, inductance L and form for the circle of 0.4mm copper core coiling diameter 5mm coils 10,
First triode VT1 and the second triode VT2 models are PNP type triode.
The present invention transmits high-frequency energy in broad frequency range and realizes amplifying using two triode line transformers
Impedance matching between device and amplifier or the impedance matching for realizing between amplifier and load.8th resistance R8, the 9th resistance
R9 constitutes a broad-band transmission line transformer, and the tenth resistance R10, the 11st resistance R11 constitute another broad-band transmission line
Transformer, composes in series 16:1 impedance transformer, makes the high output impedance of the first triode VT1 low with the second triode VT2
Input impedance matches.Circuit all employs voltage negative feedback circuit per one-level, to improve the performance of amplifier, so as to improve
The efficiency of transmission of sensor.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (1)
1. a kind of sensor electronic signal amplifier, it is characterised in that:By first resistor to the 19th resistance, the first electric capacity to
11 electric capacity, the first triode, the second triode and inductance composition, first resistor be 10 Ω, second resistance be 200 Ω, the 3rd
Resistance be 300 Ω, the 4th resistance be 4k Ω, the 5th resistance be that 2k Ω, the 6th resistance to the 8th resistance are 280 Ω, the 9th electric
It is that 10k Ω, the 11st resistance are 72k Ω, the 14th resistance and the 19th to the 13rd resistance to hinder for 470 Ω, the tenth resistance
Resistance be 120 Ω, the first electric capacity for 400uf, the second electric capacity be 47uf, the 3rd electric capacity be 0.1uf, the 4th electric capacity be 100uf,
5th electric capacity is 0.01uf, the 6th electric capacity is 10uf, the 7th electric capacity is 72uf, the 8th electric capacity to the 11st electric capacity is 470uf,
Inductance is formed for the circle of 0.4mm copper core coiling diameter 5mm coils 10, and the first triode and the second triode model are positive-negative-positive
Triode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610968219.XA CN106656073A (en) | 2016-10-28 | 2016-10-28 | Sensor electronic signal amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610968219.XA CN106656073A (en) | 2016-10-28 | 2016-10-28 | Sensor electronic signal amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106656073A true CN106656073A (en) | 2017-05-10 |
Family
ID=58820582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610968219.XA Pending CN106656073A (en) | 2016-10-28 | 2016-10-28 | Sensor electronic signal amplifier |
Country Status (1)
Country | Link |
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CN (1) | CN106656073A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5463376A (en) * | 1990-05-29 | 1995-10-31 | Sensormatic Electronics Corporation | System and method for synchronizing a receiver of an electronic article surveillance system and a transmitter thereof |
CN202334443U (en) * | 2011-11-23 | 2012-07-11 | 成都驹涛网络科技有限公司 | Amplifier capable of being directly coupled |
CN103064010A (en) * | 2013-01-08 | 2013-04-24 | 浙江大学 | Parameter estimation method for artificial circuit fault component based on Hilbert-Huang transforming (HHT) |
CN204013410U (en) * | 2014-07-09 | 2014-12-10 | 王慧敏 | A kind of computer broadband signal amplifier |
CN104485905A (en) * | 2014-10-24 | 2015-04-01 | 苏州德鲁森自动化系统有限公司 | High-stability amplifier |
CN105261270A (en) * | 2015-11-26 | 2016-01-20 | 江苏海事职业技术学院 | Training-used resistance-capacitance coupled amplifier circuit |
-
2016
- 2016-10-28 CN CN201610968219.XA patent/CN106656073A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5463376A (en) * | 1990-05-29 | 1995-10-31 | Sensormatic Electronics Corporation | System and method for synchronizing a receiver of an electronic article surveillance system and a transmitter thereof |
CN202334443U (en) * | 2011-11-23 | 2012-07-11 | 成都驹涛网络科技有限公司 | Amplifier capable of being directly coupled |
CN103064010A (en) * | 2013-01-08 | 2013-04-24 | 浙江大学 | Parameter estimation method for artificial circuit fault component based on Hilbert-Huang transforming (HHT) |
CN204013410U (en) * | 2014-07-09 | 2014-12-10 | 王慧敏 | A kind of computer broadband signal amplifier |
CN104485905A (en) * | 2014-10-24 | 2015-04-01 | 苏州德鲁森自动化系统有限公司 | High-stability amplifier |
CN105261270A (en) * | 2015-11-26 | 2016-01-20 | 江苏海事职业技术学院 | Training-used resistance-capacitance coupled amplifier circuit |
Non-Patent Citations (3)
Title |
---|
丁炜: "放大器的核心放大电路", 《中国有线电视》 * |
金长义: "《计算机电路》", 31 March 1998, 电子工业出版社 * |
陆利忠 等: "《现代电子线路基础(上册)》", 31 January 2011 * |
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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RJ01 | Rejection of invention patent application after publication |