CN205792465U - A kind of signal transmission amplifier circuit - Google Patents
A kind of signal transmission amplifier circuit Download PDFInfo
- Publication number
- CN205792465U CN205792465U CN201620011127.8U CN201620011127U CN205792465U CN 205792465 U CN205792465 U CN 205792465U CN 201620011127 U CN201620011127 U CN 201620011127U CN 205792465 U CN205792465 U CN 205792465U
- Authority
- CN
- China
- Prior art keywords
- amplifier
- resistance
- diode
- electric capacity
- outfan
- 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.)
- Expired - Fee Related
Links
Landscapes
- Amplifiers (AREA)
Abstract
The utility model discloses a kind of signal transmission amplifier circuit, including the first diode, second diode, 3rd diode, first amplifier, second amplifier, 3rd amplifier, first resistance is to the 6th resistance, first electric capacity, second electric capacity, tunable capacitor and power supply, described 3rd diode is infrared diode, the outfan of described power supply is connected with the first end of described 5th resistance and the cathode voltage input of described 3rd amplifier respectively, the cathode voltage input end grounding of described 3rd amplifier, the outfan of described 3rd amplifier is connected with the positive pole of described 3rd diode, the signal output part of the most described infrared therapeutic apparatus of described 3rd diode.Compared with prior art, this utility model uses multiple amplifier chips composition, amplifies signal step by step, thus decomposed live load, relative to the audion amplifying technique of prior art, have low in energy consumption, caloric value is low, the advantage of working stability, has the value promoted the use of.
Description
Technical field
This utility model relates to a kind of Electronic signaling equipment, particularly relates to a kind of signal transmission amplifier electricity
Road.
Background technology
Amplifier is can be the voltage of input signal or the device of power amplification, by electron tube or transistor, electricity
Source transformator and other electric elements form.Be used in communication, broadcast, radar, TV, automatically control etc. each
Plant in device.But the power of signal amplifier of the prior art is higher, job insecurity, during use
Easily produce high temperature, need radiator to coordinate heat radiation normally to work, accordingly, there exist room for improvement.
Utility model content
The purpose of this utility model is that provides a kind of signal transmission amplifier electricity to solve the problems referred to above
Road.
In order to achieve the above object, this utility model have employed techniques below scheme:
This utility model include the first diode, the second diode, the 3rd diode, the first amplifier,
Two amplifiers, the 3rd amplifier, the first resistance are to the 6th resistance, the first electric capacity, the second electric capacity, adjustable electric
Holding and power supply, described 3rd diode is infrared diode, and the outfan of described power supply is respectively with the described 5th
First end of resistance and the cathode voltage input of described 3rd amplifier connect, bearing of described 3rd amplifier
Pole tension input end grounding, the outfan of described 3rd amplifier is connected with the positive pole of described 3rd diode,
The signal output part of the most described infrared therapeutic apparatus of described 3rd diode, described 3rd amplifier same
Phase input is connected with described second end of the 5th resistance and the first end of described adjustable resistance respectively, described can
Adjust resistance the second end ground connection, the inverting input of described 3rd amplifier respectively with described second diode
First end of negative pole, the first end of described second electric capacity and described 6th resistance connects, described second electric capacity
Second end of the second end and described 6th resistance ground connection respectively, the positive pole of described second diode is respectively with described
The outfan of the second amplifier and the first end of described 4th resistance connect, and the second end of described 4th resistance divides
Not being connected with the first end of described 3rd resistance and the inverting input of described second amplifier, described second puts
The in-phase input end ground connection of big device, the second end of described 3rd resistance respectively with the first end of described first resistance,
First end of described first electric capacity and the outfan of described first amplifier connect, the second of described first resistance
End respectively with the second end of described first electric capacity, the first end of described second resistance and described first amplifier
Inverting input connects, and the second end of described second resistance is connected with the positive pole of described first diode, described
The negative pole of the first diode is connected with the in-phase input end of described first amplifier.
The beneficial effects of the utility model are:
This utility model is a kind of signal transmission amplifier circuit, and compared with prior art, this utility model is adopted
Form with multiple amplifier chips, signal is amplified step by step, thus decomposed live load, relative to
The audion amplifying technique of prior art, has low in energy consumption, and caloric value is low, and the advantage of working stability has
The value promoted the use of.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, this utility model includes the first diode D1, the second diode D2, the 3rd diode
D3, the first amplifier IC1, the second amplifier IC2, the 3rd amplifier IC3, the first resistance R1 to the 6th electricity
Resistance R6, the first electric capacity C1, the second electric capacity C2, tunable capacitor RL and power supply, the 3rd diode D3 is infrared
Diode, the outfan of power supply respectively with the first end and the positive electrical of the 3rd amplifier IC3 of the 5th resistance R5
Pressure input connects, and the cathode voltage input end grounding of the 3rd amplifier IC3, the 3rd amplifier IC3's is defeated
Go out end to be connected with the positive pole of the 3rd diode D3, the signal of the most extremely infrared therapeutic apparatus of the 3rd diode D3
Outfan, the in-phase input end of the 3rd amplifier IC3 respectively with the second end and the adjustable resistance of the 5th resistance R5
First end of RL connects, and the second end ground connection of adjustable resistance RL, the inverting input of the 3rd amplifier IC3 divides
It is not connected with first end of negative pole, first end of the second electric capacity C2 and the 6th resistance R6 of the second diode D2,
Second end of the second electric capacity C2 and second end of the 6th resistance R6 ground connection, the positive pole of the second diode D2 respectively
It is connected with the outfan of the second amplifier IC2 and first end of the 4th resistance R4 respectively, the 4th resistance R4's
Second end is connected with first end of the 3rd resistance R3 and the inverting input of the second amplifier IC2 respectively, and second
The in-phase input end ground connection of amplifier IC2, second end of the 3rd resistance R3 respectively with the of the first resistance R1
The outfan of one end, first end of the first electric capacity C1 and the first amplifier IC1 connects, the first resistance R1's
Second end respectively with the second end, first end of the second resistance R2 and the first amplifier IC1 of the first electric capacity C1
Inverting input connect, the positive pole connection of second end of the second resistance R2 and the first diode D1, first
The negative pole of diode D1 and the in-phase input end of the first amplifier IC1 connect.
Component parameter of the present utility model selects as follows:
The model of the first diode D1 to the 3rd diode D3 is IN4001, the first amplifier IC1 to
The model of three amplifier IC3 is LM347, the first resistance R1 is 100 Ω, the second resistance R2 is 400 Ω,
3rd resistance R3 is 500 Ω, the 4th resistance R4 is 2k Ω, the 5th resistance R5 is 27k Ω, the 6th resistance
R6 is 200 Ω, the first electric capacity C1 is 300uf, the second electric capacity C2 is 470uf, power supply is 3V.
During utility model works, input signal is accessed at the two ends of the first diode D1, by the one or two pole
Pipe D1 limits the both positive and negative polarity of input signal, then with this through the first amplifier IC1, the second amplifier IC2 and
3rd amplifier IC3 is exported the signal after amplifying by the 5th diode D5 after being amplified step by step.
Of the present utility model ultimate principle and principal character and of the present utility model excellent have more than been shown and described
Point.Skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments, above-mentioned reality
Execute and principle of the present utility model is simply described, without departing from this utility model spirit described in example and description
On the premise of scope, this utility model also has various changes and modifications, and these changes and improvements both fall within
In the range of claimed this utility model.This utility model claims scope by appending claims
And equivalent defines.
Claims (1)
1. a signal transmission amplifier circuit, it is characterised in that: include the first diode, the second diode,
3rd diode, the first amplifier, the second amplifier, the 3rd amplifier, the first resistance to the 6th resistance,
First electric capacity, the second electric capacity, tunable capacitor and power supply, described 3rd diode is infrared diode, described
The outfan of power supply inputs with the first end of described 5th resistance and the cathode voltage of described 3rd amplifier respectively
End connect, the cathode voltage input end grounding of described 3rd amplifier, the outfan of described 3rd amplifier with
The positive pole of described 3rd diode connects, the signal of the most described infrared therapeutic apparatus of described 3rd diode
Outfan, the in-phase input end of described 3rd amplifier respectively with the second end of described 5th resistance and described can
The first end adjusting resistance connects, the second end ground connection of described adjustable resistance, described 3rd amplifier anti-phase defeated
Enter end respectively with the negative pole of described second diode, the first end of described second electric capacity and described 6th resistance
First end connects, the second end of described second electric capacity and the second end of described 6th resistance ground connection respectively, described
The positive pole of the second diode is respectively with the first end of the outfan of described second amplifier and described 4th resistance even
Connect, the second end of described 4th resistance respectively with the first end of described 3rd resistance and described second amplifier
Inverting input connects, the in-phase input end ground connection of described second amplifier, the second end of described 3rd resistance
Defeated with the first end of described first resistance, the first end of described first electric capacity and described first amplifier respectively
Go out end connect, the second end of described first resistance respectively with the second end of described first electric capacity, described second electricity
First end of resistance and the inverting input of described first amplifier connect, the second end of described second resistance and institute
The positive pole stating the first diode connects, and the negative pole of described first diode is defeated with the homophase of described first amplifier
Enter end to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620011127.8U CN205792465U (en) | 2016-01-07 | 2016-01-07 | A kind of signal transmission amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620011127.8U CN205792465U (en) | 2016-01-07 | 2016-01-07 | A kind of signal transmission amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205792465U true CN205792465U (en) | 2016-12-07 |
Family
ID=57413056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620011127.8U Expired - Fee Related CN205792465U (en) | 2016-01-07 | 2016-01-07 | A kind of signal transmission amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205792465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356735A (en) * | 2017-07-10 | 2017-11-17 | 芜湖拓达电子科技有限公司 | A kind of alcohol detecting device |
-
2016
- 2016-01-07 CN CN201620011127.8U patent/CN205792465U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356735A (en) * | 2017-07-10 | 2017-11-17 | 芜湖拓达电子科技有限公司 | A kind of alcohol detecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205792465U (en) | A kind of signal transmission amplifier circuit | |
| CN203071878U (en) | Wideband direct-current amplifier based on voltage-controlled operational amplifier | |
| CN106982039A (en) | The low pulse stretching Doppler signal amplifier of high steady amplitude limit | |
| CN206250962U (en) | For the filter circuit of cloud computing | |
| CN103631307A (en) | Power control circuit of radio frequency power amplifier | |
| CN104639078A (en) | Simplified sampling conditioning circuit | |
| CN103338015A (en) | Amplifier for increasing gain and design method of amplifier | |
| CN104660322A (en) | WIFI signal enhancement device | |
| CN206727961U (en) | A kind of power control circuit and power amplification circuit | |
| CN206505339U (en) | A kind of reference circuit of low compensating electric capacity value | |
| CN209170315U (en) | A kind of distribution emitter following amplifier | |
| CN203492095U (en) | High-speed video amplifier | |
| CN204290891U (en) | A kind of wideband power amplifer circuit | |
| CN204578474U (en) | Be applied to single miller capacitance frequency compensated circuit of multistage amplifier circuit | |
| CN204349926U (en) | A kind of data transfer of computer signal amplification circuit | |
| CN103475317A (en) | Negative feedback amplifying circuit | |
| CN109450392A (en) | A kind of distribution emitter following amplifier | |
| CN203275915U (en) | Acquisition signal amplifier of pump intelligent control system in transformer substation | |
| CN205656533U (en) | Low -power solar energy constant voltage power supply | |
| CN203502905U (en) | Voltage-stabilized power supply circuit with short-circuit protection function | |
| CN209170314U (en) | It is a kind of for minimizing the function discharge protection circuit of ODU transmission channel | |
| CN209523040U (en) | Cap ironing machine thermostat | |
| CN206575384U (en) | A kind of automatic gain control circuit and audio frequency apparatus | |
| CN207652311U (en) | A kind of photovoltaic generation voltage-stablizer | |
| CN206878782U (en) | The microwave low-noise amplifier of lithium battery power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20190107 |