CN105141267A - Power amplifying circuit with adoption of power line carrier communication - Google Patents
Power amplifying circuit with adoption of power line carrier communication Download PDFInfo
- Publication number
- CN105141267A CN105141267A CN201510473017.3A CN201510473017A CN105141267A CN 105141267 A CN105141267 A CN 105141267A CN 201510473017 A CN201510473017 A CN 201510473017A CN 105141267 A CN105141267 A CN 105141267A
- Authority
- CN
- China
- Prior art keywords
- transistor
- power
- circuit
- line carrier
- power line
- 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
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
This invention discloses a power amplifying circuit with adoption of power line carrier communication. The power amplifying circuit comprises a power amplifier and a filter shaping circuit; the power amplifier is connected with the filter shaping circuit; the power amplifier comprises a push-pull amplifier circuit which is mainly composed of a transistor Q3 and a transistor Q4; a voltage-regulator tube D5 is connected in parallel on the transistor Q3, and a voltage-regulator tube D6 is connected in parallel on the transistor Q4. When the power line carrier communication is performed, micro transmission signals can be amplified to facilitate the subsequent processes of the circuits; when amplifying process is performed, a multi-section push-pull amplifier processing mode is adopted so that the amplification factor is increased as far as possible without the signal distortion; thus, the subsequent circuits are expected to be processed conveniently; and the whole system has the characteristics of being scientific and reasonable in design, being economical and practical, and the like.
Description
Technical field
The present invention relates to the technical field such as power electronics, power amplification, specifically, is a kind of power amplification circuit adopting power line carrier, PLC.
Background technology
Power carrier communication and PLC are the abbreviations of English PowerlineCommunication.Power carrier is the distinctive communication mode of electric power system, and power carrier communication refers to and utilizes existing power line, by carrier system, analog or digital signal is carried out the technology of high-speed transfer.Maximum feature does not need again to set up network, as long as live wire, just can carry out data transmission.
The maximum feature of PLC: do not need again to set up network, as long as live wire, just can carry out data transmission, becomes one of preferred plan solving this Smart Home transfer of data undoubtedly.Simultaneously because data are only transmitted in this scope of family, 5 of constraint PLC application is perplexed greatly and will be weakened to a great extent, the long-range control to household electrical appliances we be also first connected to PC by legacy network and then control household electrical appliances mode and realize, the cost of PLC modulation /demodulation module is also far below wireless module.
Power amplification, carries out the technology of amplifying by small signal, to facilitate the process of subsequent conditioning circuit, when power line carrier, PLC process, this is a kind of indispensable step.
Summary of the invention
The object of the present invention is to provide a kind of power amplification circuit adopting power line carrier, PLC, when carrying out power line carrier, PLC, small signal transmission can be amplified, to facilitate the process of subsequent conditioning circuit, when carrying out amplification process, adopting more piece to recommend the tupe of amplification, making to improve multiplication factor as much as possible when there is not distorted signals, to facilitating the process of subsequent conditioning circuit, whole system has the characteristics such as design science is reasonable, economical and practical.
The present invention is achieved through the following technical solutions: a kind of power amplification circuit adopting power line carrier, PLC, comprises power amplifier and filtering shaping circuit, and described power amplifier is connected with filtering shaping circuit.
Further to better implement the present invention, described power amplifier comprises the push-pull amplifier circuit formed primarily of transistor Q3 and transistor Q4, described transistor Q3 goes back and is connected to voltage-stabiliser tube D5, described transistor Q4 go back and is connected to voltage-stabiliser tube D6.
Further to better implement the present invention, described transistor Q3 and transistor Q4 is NPN triode, and transistor Q3 and transistor Q4 common collector; The emitter junction of described transistor Q3 also meets voltage stabilizing didoe D5, and the positive pole of voltage stabilizing didoe D5 is connected with the base stage of transistor Q3; The emitter junction of described transistor Q4 also meets voltage stabilizing didoe D6, and the positive pole of voltage stabilizing didoe D6 is connected with the emitter of transistor Q4.
Further to better implement the present invention, described power amplifier also comprises transistor Q1, transistor Q2, and described transistor Q1 and transistor Q2 is PNP triode, and transistor Q1 and transistor Q2 common base; The base stage of described transistor Q1, transistor Q2 is connected with the collector electrode of transistor Q3 and transistor Q4; Described transistor Q1 and transistor Q2 common emitter; The collector electrode of described transistor Q1 is connected and ground connection with the emitter of transistor Q4; The collector electrode of described transistor Q2 is connected with the emitter of transistor Q3 and connects power supply.
Further to better implement the present invention, also comprise input circuit, described input circuit comprises resistance R2, resistance R3, electric capacity C5 and electric capacity C6, and described resistance R2 connects base stage and the electric capacity C5 of transistor Q3 respectively; Described resistance R3 connects base stage and the electric capacity C6 of transistor Q4 respectively, and described electric capacity C5 and electric capacity C6 accesses PSK-OUT signal.
Further to better implement the present invention, also comprise coupling circuit, described coupling circuit is connected with filtering shaping circuit; Described filtering shaping circuit adopts LC series circuit, and described LC series circuit comprises inductance L 3 and electric capacity C4, and described electric capacity C4 is connected with the emitter of transistor Q1, and described inductance L 3 is connected on coupling circuit.
Further to better implement the present invention, also comprise diode D3, diode D4, the positive pole of described diode D3 is connected with the negative pole of diode D4 and is connected on the emitter of transistor Q2, the plus earth of described diode D4, and the negative pole of described diode D3 connects power supply.
Further to better implement the present invention, described power supply is+5v DC power supply.
The present invention compared with prior art, has the following advantages and beneficial effect:
The present invention is when carrying out power line carrier, PLC, small signal transmission can be amplified, to facilitate the process of subsequent conditioning circuit, when carrying out amplification process, more piece is adopted to recommend the tupe of amplification, make to improve multiplication factor as much as possible when there is not distorted signals, to facilitating the process of subsequent conditioning circuit, whole system has the characteristics such as design science is reasonable, economical and practical.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
A kind of power amplification circuit adopting power line carrier, PLC, when carrying out power line carrier, PLC, small signal transmission can be amplified, to facilitate the process of subsequent conditioning circuit, when carrying out amplification process, more piece is adopted to recommend the tupe of amplification, make to improve multiplication factor as much as possible when there is not distorted signals, to facilitating the process of subsequent conditioning circuit, as shown in Figure 1, be provided with following structure especially: comprise power amplifier and filtering shaping circuit, described power amplifier is connected with filtering shaping circuit.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, as shown in Figure 1, described power amplifier comprises the push-pull amplifier circuit formed primarily of transistor Q3 and transistor Q4, described transistor Q3 go back and is connected to voltage-stabiliser tube D5, described transistor Q4 go back and is connected to voltage-stabiliser tube D6.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, and further to better implement the present invention, as shown in Figure 1, described transistor Q3 and transistor Q4 is NPN triode, and transistor Q3 and transistor Q4 common collector; The emitter junction of described transistor Q3 also meets voltage stabilizing didoe D5, and the positive pole of voltage stabilizing didoe D5 is connected with the base stage of transistor Q3; The emitter junction of described transistor Q4 also meets voltage stabilizing didoe D6, and the positive pole of voltage stabilizing didoe D6 is connected with the emitter of transistor Q4.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, as shown in Figure 1, described power amplifier also comprises transistor Q1, transistor Q2, described transistor Q1 and transistor Q2 is PNP triode, and transistor Q1 and transistor Q2 common base; The base stage of described transistor Q1, transistor Q2 is connected with the collector electrode of transistor Q3 and transistor Q4; Described transistor Q1 and transistor Q2 common emitter; The collector electrode of described transistor Q1 is connected and ground connection with the emitter of transistor Q4; The collector electrode of described transistor Q2 is connected with the emitter of transistor Q3 and connects power supply.
Embodiment 5:
The present embodiment is the enterprising one-step optimization in basis in embodiment 3 or 4, further to better implement the present invention, as shown in Figure 1, also comprise input circuit, described input circuit comprises resistance R2, resistance R3, electric capacity C5 and electric capacity C6, and described resistance R2 connects base stage and the electric capacity C5 of transistor Q3 respectively; Described resistance R3 connects base stage and the electric capacity C6 of transistor Q4 respectively, and described electric capacity C5 and electric capacity C6 accesses PSK-OUT signal.
Embodiment 6:
The present embodiment is that further to better implement the present invention, as shown in Figure 1, also comprise coupling circuit, described coupling circuit is connected with filtering shaping circuit at the enterprising one-step optimization in basis of embodiment 3 or 4 or 5; Described filtering shaping circuit adopts LC series circuit, and described LC series circuit comprises inductance L 3 and electric capacity C4, and described electric capacity C4 is connected with the emitter of transistor Q1, and described inductance L 3 is connected on coupling circuit.
Embodiment 7:
The present embodiment is the enterprising one-step optimization in basis in embodiment 3 or 4 or 5 or 6, further to better implement the present invention, as shown in Figure 1, also comprise diode D3, diode D4, the positive pole of described diode D3 is connected with the negative pole of diode D4 and is connected on the emitter of transistor Q2, the plus earth of described diode D4, the negative pole of described diode D3 connects power supply.
Embodiment 8:
Embodiment is that further to better implement the present invention, as shown in Figure 1, described power supply is+5v DC power supply at the enterprising one-step optimization in basis of embodiment 4 or 5 or 6 or 7.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (8)
1. adopt a power amplification circuit for power line carrier, PLC, it is characterized in that: comprise power amplifier and filtering shaping circuit, described power amplifier is connected with filtering shaping circuit.
2. a kind of power amplification circuit adopting power line carrier, PLC according to claim 1, it is characterized in that: described power amplifier comprises the push-pull amplifier circuit formed primarily of transistor Q3 and transistor Q4, described transistor Q3 go back and is connected to voltage-stabiliser tube D5, described transistor Q4 go back and is connected to voltage-stabiliser tube D6.
3. a kind of power amplification circuit adopting power line carrier, PLC according to claim 2, is characterized in that: described transistor Q3 and transistor Q4 is NPN triode, and transistor Q3 and transistor Q4 common collector; The emitter junction of described transistor Q3 also meets voltage stabilizing didoe D5, and the positive pole of voltage stabilizing didoe D5 is connected with the base stage of transistor Q3; The emitter junction of described transistor Q4 also meets voltage stabilizing didoe D6, and the positive pole of voltage stabilizing didoe D6 is connected with the emitter of transistor Q4.
4. a kind of power amplification circuit adopting power line carrier, PLC according to claim 3, it is characterized in that: described power amplifier also comprises transistor Q1, transistor Q2, described transistor Q1 and transistor Q2 is PNP triode, and transistor Q1 and transistor Q2 common base; The base stage of described transistor Q1, transistor Q2 is connected with the collector electrode of transistor Q3 and transistor Q4; Described transistor Q1 and transistor Q2 common emitter; The collector electrode of described transistor Q1 is connected and ground connection with the emitter of transistor Q4; The collector electrode of described transistor Q2 is connected with the emitter of transistor Q3 and connects power supply.
5. a kind of power amplification circuit adopting power line carrier, PLC according to claim 3, it is characterized in that: also comprise input circuit, described input circuit comprises resistance R2, resistance R3, electric capacity C5 and electric capacity C6, and described resistance R2 connects base stage and the electric capacity C5 of transistor Q3 respectively; Described resistance R3 connects base stage and the electric capacity C6 of transistor Q4 respectively.
6. a kind of power amplification circuit adopting power line carrier, PLC according to claim 4, it is characterized in that: also comprise coupling circuit, described coupling circuit is connected with filtering shaping circuit; Described filtering shaping circuit adopts LC series circuit, and described LC series circuit comprises inductance L 3 and electric capacity C4, and described electric capacity C4 is connected with the emitter of transistor Q1, and described inductance L 3 is connected on coupling circuit.
7. a kind of power amplification circuit adopting power line carrier, PLC according to claim 4, it is characterized in that: also comprise diode D3, diode D4, the positive pole of described diode D3 is connected with the negative pole of diode D4 and is connected on the emitter of transistor Q2, the plus earth of described diode D4, the negative pole of described diode D3 connects power supply.
8. a kind of power amplification circuit adopting power line carrier, PLC according to claim 4 or 6 or 7, is characterized in that: described power supply is+5v DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473017.3A CN105141267A (en) | 2015-08-05 | 2015-08-05 | Power amplifying circuit with adoption of power line carrier communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473017.3A CN105141267A (en) | 2015-08-05 | 2015-08-05 | Power amplifying circuit with adoption of power line carrier communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105141267A true CN105141267A (en) | 2015-12-09 |
Family
ID=54726508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510473017.3A Pending CN105141267A (en) | 2015-08-05 | 2015-08-05 | Power amplifying circuit with adoption of power line carrier communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105141267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007295A (en) * | 2019-11-15 | 2020-04-14 | 优利德科技(中国)股份有限公司 | Multimeter capable of automatically measuring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436882A (en) * | 2007-11-12 | 2009-05-20 | 凌岩 | Power-line carrier communication circuit |
| CN102223160A (en) * | 2011-06-21 | 2011-10-19 | 深圳市智联信通科技有限公司 | Power line carrier communication transmitting circuit |
| CN203104438U (en) * | 2013-01-24 | 2013-07-31 | 珠海精讯电子科技有限公司 | Electric power carrier wave transmitting and receiving electric circuit |
| CN203104437U (en) * | 2013-01-24 | 2013-07-31 | 珠海精讯电子科技有限公司 | Power carrier transceiver circuit |
| CN103281094A (en) * | 2013-05-27 | 2013-09-04 | 珠海精讯电子科技有限公司 | Plug and play module for hybrid modulation mode-based power line carrier communication |
-
2015
- 2015-08-05 CN CN201510473017.3A patent/CN105141267A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436882A (en) * | 2007-11-12 | 2009-05-20 | 凌岩 | Power-line carrier communication circuit |
| CN102223160A (en) * | 2011-06-21 | 2011-10-19 | 深圳市智联信通科技有限公司 | Power line carrier communication transmitting circuit |
| CN203104438U (en) * | 2013-01-24 | 2013-07-31 | 珠海精讯电子科技有限公司 | Electric power carrier wave transmitting and receiving electric circuit |
| CN203104437U (en) * | 2013-01-24 | 2013-07-31 | 珠海精讯电子科技有限公司 | Power carrier transceiver circuit |
| CN103281094A (en) * | 2013-05-27 | 2013-09-04 | 珠海精讯电子科技有限公司 | Plug and play module for hybrid modulation mode-based power line carrier communication |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007295A (en) * | 2019-11-15 | 2020-04-14 | 优利德科技(中国)股份有限公司 | Multimeter capable of automatically measuring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105141267A (en) | Power amplifying circuit with adoption of power line carrier communication | |
| CN203630953U (en) | Infrared emitting and receiving circuit of learning remote-controller | |
| CN201903573U (en) | Current detection and amplification circuit used for two-wire manufactured instrument | |
| CN204886880U (en) | Adopt power line carrier communication's power amplification circuit | |
| CN204408334U (en) | For the twisted-pair carrier communication circuit of Automatic meter reading system | |
| CN101593408A (en) | A kind of remote control equipment and remote control thereof, and the handheld device of integrated distant control function | |
| CN103279443A (en) | Uart communication signal conversion circuit | |
| CN203301428U (en) | Infrared amplifier with filter function | |
| CN204859131U (en) | Adopt power line carrier communication's receipt filter circuit | |
| CN204334504U (en) | Easy Resistance and Capacitance Coupled Amplification Circuit | |
| CN207399584U (en) | Lamp-controlling circuit | |
| CN204480242U (en) | A kind of M-Bus interface circuit | |
| CN203289450U (en) | Infrared receiver | |
| CN105024735A (en) | Alarm receiving circuit employing power line communication | |
| CN203178842U (en) | Alternating-current constant flow source character load circuit for sensor | |
| CN203840330U (en) | Wireless data transmission terminal | |
| CN209861214U (en) | USB series lamp control circuit | |
| CN203313128U (en) | Novel infrared amplifying circuit | |
| CN203930380U (en) | A kind of switching signal wireless converter | |
| CN104660920A (en) | Distribution circuit of video signals | |
| CN203225708U (en) | Instrumentation amplifier circuit | |
| CN208921908U (en) | Optocoupler sensor circuit and projector | |
| CN201557104U (en) | RS232 communication isolation circuit | |
| CN205070975U (en) | General interface circuit of children's beddo | |
| CN207410321U (en) | A kind of high performance analog multiplier circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |