CN203563016U - Low-power-dissipation amplifier for mobile phones - Google Patents
Low-power-dissipation amplifier for mobile phones Download PDFInfo
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- CN203563016U CN203563016U CN201320723939.1U CN201320723939U CN203563016U CN 203563016 U CN203563016 U CN 203563016U CN 201320723939 U CN201320723939 U CN 201320723939U CN 203563016 U CN203563016 U CN 203563016U
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Abstract
The utility model discloses a low-power-dissipation amplifier for mobile phones. The low-power-dissipation amplifier for mobile phones comprises an amplifier body, first to fourth resistors, first to eighth capacitors and a loudspeaker, wherein the signal input end is respectively connected with the first end of the first resistor and the third pin end of the amplifier body, the second end of the first resistor is grounded, the second pin end of the amplifier body is connected with the first end of the second resistor, the second end of the second resistor is connected with the first end of the first capacitor, the second end of the first capacitor is grounded, the fourth pin end of the amplifier body is grounded, the eighth pin end of the amplifier body is connected with the first end of the sixth capacitor, the second end of the sixth capacitor is grounded, and the first pin end of the amplifier body is connected with the first end of the fifth capacitor. The low-power-dissipation amplifier for mobile phone solves the problem that amplifiers used on mobile phones currently are large in power dissipation, the normal operation of mobile phones is guaranteed, and the low-power-dissipation amplifier has the popularization and use value.
Description
Technical field
The utility model relates to a kind of amplifier, relates in particular to a kind of low dissipation amplifier for mobile phone.
Background technology
Amplifier is a kind of device that increases signal amplitude or power, and it is the critical elements of processing signals in automation equipment.The amplification of amplifier is controlled the energy with input signal and is realized, and amplifying required power consumption is provided by the energy.For linear amplifier, output is exactly reproduction and the enhancing of input signal.For nonlinear amplifier, output becomes certain functional relation with input signal.Amplifier by processed signal physical quantities be divided into mechanical amplifier, electromechanical amplifier, electron-amplifier, surge amplifier and pneumatic amplifier etc., wherein use to such an extent that be electron-amplifier the most widely.Along with the popularization of fluidics, surge or the application of pneumatic amplifier also increases gradually.Electron-amplifier is divided into vacuum tube amplifier, crystal amplifier, solid amplifier and magnetic amplifier by active device used again, wherein most widely used with crystal amplifier again.In instrument and meter for automation, crystal amplifier is usually used in voltage amplification and the electric current amplification of signal, and principal mode has single-ended amplification and recommends amplification.In addition, be also usually used in impedance matching, isolation, current-voltage conversion, electric charge-voltage transitions (as charge amplifier) and utilize amplifier to realize the certain functional relation (as operational amplifier) between output and input.The amplifier of using at present above mobile phone exists the problem that power consumption is larger mostly, can waste a large amount of electric energy of mobile phone.
Utility model content
The purpose of this utility model provides a kind of low dissipation amplifier for mobile phone with regard to being in order to address the above problem.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of low dissipation amplifier for mobile phone, comprise amplifier, the first resistance to the four resistance, the first electric capacity to the eight electric capacity and loud speaker, signal input part is connected with the first end of described the first resistance and the 3rd leads ends of described amplifier respectively, the second end ground connection of described the first resistance, the second leads ends of described amplifier is connected with the first end of described the second resistance, the second end of described the second resistance is connected with the first end of described the first electric capacity, the second end ground connection of described the first electric capacity, the 4th leads ends ground connection of described amplifier, the 8th leads ends of described amplifier is connected with the first end of described the 6th electric capacity, the second end ground connection of described the 6th electric capacity, the first leads ends of described amplifier is connected with the first end of described the 5th electric capacity, the 6th leads ends of described amplifier respectively with the first end of described the second electric capacity, the first end of described the 3rd electric capacity, the first end of described the 3rd resistance is connected with supply voltage input, the second end of the second end of described the second electric capacity and described the 3rd electric capacity is ground connection respectively, the second end of described the 3rd resistance is connected with the first end of described the 4th electric capacity and the 7th leads ends of described amplifier respectively, the 5th leads ends of described amplifier respectively with the second end of described the 4th electric capacity, the second end of described the 5th electric capacity, the first end of described the 7th electric capacity is connected with the first end of described the 4th resistance, the second end of described the 4th resistance is connected with the first end of described the 8th electric capacity, the second end ground connection of described the 8th electric capacity, the second end of described the 7th electric capacity is connected with the first end of described loud speaker, the second end ground connection of described loud speaker.
The beneficial effects of the utility model are:
The utility model is a kind of low dissipation amplifier for mobile phone, has solved and has used at present the larger problem of power consumption that the amplifier above mobile phone exists, and has ensured the normal work of mobile phone, has the value of promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of low dissipation amplifier for mobile phone of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model is a kind of low dissipation amplifier for mobile phone, comprise amplifier IC, the first resistance R 1 is to the 4th resistance R 4, the first capacitor C 1 is to the 8th capacitor C 8 and loud speaker BL, signal input part is connected with the first end of the first resistance R 1 and the 3rd leads ends of amplifier IC respectively, the second end ground connection of the first resistance R 1, the second leads ends of amplifier IC is connected with the first end of the second resistance R 2, the second end of the second resistance R 2 is connected with the first end of the first capacitor C 1, the second end ground connection of the first capacitor C 1, the 4th leads ends ground connection of amplifier IC, the 8th leads ends of amplifier IC is connected with the first end of the 6th capacitor C 6, the second end ground connection of the 6th capacitor C 6, the first leads ends of amplifier IC is connected with the first end of the 5th capacitor C 5, the 6th leads ends of amplifier IC respectively with the first end of the second capacitor C 2, the first end of the 3rd capacitor C 3, the first end of the 3rd resistance R 3 is connected with supply voltage input, the second end of the second end of the second capacitor C 2 and the 3rd capacitor C 3 is ground connection respectively, the second end of the 3rd resistance R 3 is connected with the first end of the 4th capacitor C 4 and the 7th leads ends of amplifier IC respectively, the 5th leads ends of amplifier IC respectively with the second end of the 4th capacitor C 4, the second end of the 5th capacitor C 5, the first end of the 7th capacitor C 7 is connected with the first end of the 4th resistance R 4, the second end of the 4th resistance R 4 is connected with the first end of the 8th capacitor C 8, the second end ground connection of the 8th capacitor C 8, the second end of the 7th capacitor C 7 is connected with the first end of loud speaker BL, the second end ground connection of loud speaker BL.The model of amplifier IC is TBA820M.
Claims (1)
1. the low dissipation amplifier for mobile phone, it is characterized in that: comprise amplifier, the first resistance to the four resistance, the first electric capacity to the eight electric capacity and loud speaker, signal input part is connected with the first end of described the first resistance and the 3rd leads ends of described amplifier respectively, the second end ground connection of described the first resistance, the second leads ends of described amplifier is connected with the first end of described the second resistance, the second end of described the second resistance is connected with the first end of described the first electric capacity, the second end ground connection of described the first electric capacity, the 4th leads ends ground connection of described amplifier, the 8th leads ends of described amplifier is connected with the first end of described the 6th electric capacity, the second end ground connection of described the 6th electric capacity, the first leads ends of described amplifier is connected with the first end of described the 5th electric capacity, the 6th leads ends of described amplifier respectively with the first end of described the second electric capacity, the first end of described the 3rd electric capacity, the first end of described the 3rd resistance is connected with supply voltage input, the second end of the second end of described the second electric capacity and described the 3rd electric capacity is ground connection respectively, the second end of described the 3rd resistance is connected with the first end of described the 4th electric capacity and the 7th leads ends of described amplifier respectively, the 5th leads ends of described amplifier respectively with the second end of described the 4th electric capacity, the second end of described the 5th electric capacity, the first end of described the 7th electric capacity is connected with the first end of described the 4th resistance, the second end of described the 4th resistance is connected with the first end of described the 8th electric capacity, the second end ground connection of described the 8th electric capacity, the second end of described the 7th electric capacity is connected with the first end of described loud speaker, the second end ground connection of described loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723939.1U CN203563016U (en) | 2013-11-15 | 2013-11-15 | Low-power-dissipation amplifier for mobile phones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723939.1U CN203563016U (en) | 2013-11-15 | 2013-11-15 | Low-power-dissipation amplifier for mobile phones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203563016U true CN203563016U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320723939.1U Expired - Fee Related CN203563016U (en) | 2013-11-15 | 2013-11-15 | Low-power-dissipation amplifier for mobile phones |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203563016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454636A (en) * | 2016-12-05 | 2017-02-22 | 成都小晓学教育咨询有限公司 | Amplifying device used for audio equipment |
-
2013
- 2013-11-15 CN CN201320723939.1U patent/CN203563016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454636A (en) * | 2016-12-05 | 2017-02-22 | 成都小晓学教育咨询有限公司 | Amplifying device used for audio equipment |
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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 |
Granted publication date: 20140423 Termination date: 20141115 |
|
| EXPY | Termination of patent right or utility model |