CN110428039A - A kind of PLC technology RF power amplification power supply module - Google Patents
A kind of PLC technology RF power amplification power supply module Download PDFInfo
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- CN110428039A CN110428039A CN201910658225.9A CN201910658225A CN110428039A CN 110428039 A CN110428039 A CN 110428039A CN 201910658225 A CN201910658225 A CN 201910658225A CN 110428039 A CN110428039 A CN 110428039A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0715—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including means to regulate power transfer to the integrated circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/16—Adjustable resistors including plural resistive elements
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- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a kind of PLC technology RF power amplification power supply modules, are made of control MCU, digital adjustable potentiometer and power supply circuit；Control MCU is used to control the electrifying timing sequence of power supply circuit, adjusts grid and drain voltage size by controlling digital adjustable potentiometer resistance value；Power supply circuit includes two power supplys, and respectively RF power amplification chip drain and gate provides voltage.The present invention can have the RF power amplification chip of strict demand to carry out powering on for PLC technology to electrifying timing sequence, reliable and stable, play a protective role to RF power amplification chip；And cost of implementation of the present invention is low, structure is simple, it can freely be adjusted by way of the resistance value of MCU PLC technology number adjustable potentiometer and be output to RF power amplification grid and drain voltage size, strong applicability can be adapted for different types of RF power amplification chip.
Description
Technical field
The present invention relates to RF power amplification fields, and in particular to a kind of PLC technology RF power amplification power supply module.
Background technique
It is the chief component of RF emission system in numerous application fields, the RF power amplification such as communication and radar.Currently
The receive-transmit system of wireless communication and radar develops towards high integration and subminaturization direction, and RF power amplification chip is answered extensively
For wirelessly communicating, the receive-transmit system of Internet of Things, radar etc..
And existing frequently-used RF power amplification chip mostly uses field-effect tube (MOSFET), and field-effect tube has electrifying timing sequence
Strict requirements, it is necessary to apply drain voltage again after grid pinch off, if powering on may make power amplifier chips short-circuit simultaneously
Cause to damage chip for electric overload, it is therefore necessary to pass through PLC technology power amplifier chips electrifying timing sequence.In order to reach RF power amplification
To ideal operating point, after applying drain voltage, it is necessary to which adjusting grid voltage and being gradually connected by channel makes drain electrode reach ideal
Operating current, therefore programmably to adjust grid voltage come ensure power amplifier chips work normally, guarantee the reliability of system
And stability.Also there is electric control chip on dedicated RF power amplification at present, but expensive, and main applicable a kind of or a kind of function
It puts, and existing RF power amplification has the demand of the voltage adjustable control of more different timing control demands and more than two-way, and
Need to realize the solution simpler, cost is less expensive.
Summary of the invention
The purpose of the present invention is to provide a kind of PLC technology RF power amplification power supply modules, to solve to have electrifying timing sequence
It is required that RF power amplification upper electricity demanding, guarantee the stability and reliability of system.
The technical solution for realizing the aim of the invention is as follows: a kind of PLC technology RF power amplification power supply module, by controlling
MCU, digital adjustable potentiometer and power supply circuit composition；
The control MCU is used to control the electrifying timing sequence of power supply circuit, is adjusted by controlling digital adjustable potentiometer resistance value
Grid and drain voltage size；Power supply circuit includes two power supplys, and respectively RF power amplification chip drain and gate provides voltage.
Compared with prior art, remarkable advantage of the invention are as follows: (1) powered on compared to expensive special-purpose radio-frequency power amplifier
Chip is controlled, cost of implementation of the present invention is low and realization is easy；(2) present invention is controlled by programmable electrifying timing sequence and powers on electricity
Voltage-controlled system can be applicable in the upper electricity demanding of different type power amplifier.
Detailed description of the invention
Fig. 1 is the system schematic of PLC technology RF power amplification power supply module.
Fig. 2 is the schematic illustration of PLC technology RF power amplification power supply module specific embodiment.
Fig. 3 is PLC technology RF power amplification power supply module control flow chart.
Specific embodiment
The RF power amplification chip of MOSFET type is very sensitive to electrifying timing sequence at present, needs the programmably control to electrifying timing sequence
System, and RF power amplification chip will reach in the range that ideal operating point needs for grid voltage to be adjusted to certain, therefore also need
Adjustable control is carried out to grid voltage.The present invention provides a kind of PLC technology RF power amplification power supply module, can be to upper
Electric timing has the RF power amplification chip of strict demand to carry out powering on for PLC technology, reliable and stable, can be to RF power amplification core
Piece plays a protective role.
As shown in Figure 1, a kind of PLC technology RF power amplification power supply module, by control MCU, digital adjustable potentiometer and confession
Circuit composition；
The control MCU is used to control the electrifying timing sequence of power supply circuit, is adjusted by controlling digital adjustable potentiometer resistance value
Grid and drain voltage size；Power supply circuit includes two power supplys, and respectively RF power amplification chip drain and gate provides voltage.
The power supply circuit includes providing for the first power supply that RF power amplification drain electrode provides voltage with for RF power amplification grid
The second source of voltage；
First power supply using electrical level transferring chip control enable end, output voltage by digital adjustable potentiometer resistance value tune
Section, output are connected to RF power amplification drain electrode；
Second source is generated by the first level shifting circuit and second electrical level conversion circuit output partial pressure, the first level conversion
Circuit turns negative level conversion chip using negative, and second electrical level conversion circuit makes to can control electrical level transferring chip using band, and its is defeated
Voltage is adjusted by the resistance value of digital adjustable potentiometer out；First level shifting circuit and the output of second electrical level conversion circuit are by dividing
Piezoresistance connects together, and output is connected to RF power amplification grid.
The electrical level transferring chip enable end of first power supply, the digital adjustable potentiometer control terminal of the first power supply, second source
The second tunnel electrical level transferring chip enable end, second source the second road level shifting circuit number adjustable potentiometer control terminal all
It is connected to the control port of control MCU.
The electrifying timing sequence of power supply circuit is arranged by internal clocking delay by the control MCU.Electrifying timing sequence are as follows: answer first
Ensure RF power amplification grid pinch off, then control drain voltage output, finally by the resistance of PLC technology number adjustable potentiometer
Value adjusts grid voltage to ideal operation point.
The enable end of power supply circuit output voltage is all connected to the I/O mouth of control MCU, control of the electrifying timing sequence by control MCU
System.
Electrifying timing sequence are as follows: first it is ensured that RF power amplification grid pinch off, then drain voltage output is controlled, finally by can compile
The resistance value of process control number adjustable potentiometer adjusts grid voltage to ideal operation point.
The output voltage of second source is generated by two-way voltage, wherein the following voltage of output -4V is fixed all the way, it is another
Road voltage generates the electrical level transferring chip that can control by band, and its voltage is adjustable, and voltage controls number by control MCU can
The resistance value of potentiometer is adjusted to adjust, voltage output value reaches grid voltage needed for best operating point by RF power amplification chip and determines.
Control MCU of the invention is ARM microprocessor, additionally includes the peripheral circuit of microprocessor.Controlling MCU includes
Two functions, one is the electrifying timing sequence of power supply circuit described in PLC technology, the second is by controlling digital adjustable potentiometer
Resistance value programmable regulating grid and drain voltage size.
Digital adjustable potentiometer is also known as numerical control programmable resistance, and resistance value is adjusted by the mode of numeral input, and
Degree of regulation is high, and grid and drain voltage are all exported by adjustable level conversion chip on power supply circuit, and output voltage is all counted
The resistance value of word adjustable potentiometer is adjusted.
Power supply circuit is exported comprising two-way power supply.First power supply is that the drain electrode of RF power amplification chip separately provides voltage,
Control of the electrifying timing sequence by control module.The power supply makes can control using band and the voltage of the adjustable output of voltage converts core
Piece, in the case where RF power amplification chip gate pinch off, control module gives the voltage conversion chip enable signal.The voltage
Conversion chip will have stronger load capacity, meet the current needs of RF power amplification normal work.
Second source provides voltage, control of the electrifying timing sequence by control module, output for RF power amplification chip gate
Voltage is controlled by digital adjustable potentiometer.Second source is initially required the power supply of offer -2V or more to guarantee RF power amplification chip
Grid voltage is drawn the voltage to ideal operation point by grid pinch off, drain voltage again after applying.The output of the second source
Voltage is generated by two-way voltage, wherein fixing the following voltage of output -4V all the way, another way voltage is made the electricity that can control by band
Flat conversion chip generates, and its voltage is adjustable, and voltage is adjusted by the resistance value of the digital adjustable potentiometer of control MCU control,
Voltage output value reaches grid voltage needed for best operating point by RF power amplification chip and determines.
The present invention can satisfy the programmable upper electric control for the RF power amplification chip for having strict demand to electrifying timing sequence, can also
Programmable control is carried out to the voltage swing for being output to RF power amplification grid and drain electrode to meet.
In order to be clearer and more clear technical problems, technical solutions and advantages to be solved, tie below
Drawings and examples are closed, the present invention will be described in further detail.
Embodiment
As shown in Fig. 2, a kind of PLC technology RF power amplification power supply module, including power supply circuit, control MCU and number
Adjustable potentiometer.
Power supply circuit includes two power supplys, and the first power supply provides 5V voltage for the drain electrode of RF power amplification chip, and input terminal makes
The shunt capacitance at energy end and the decoupling capacitor of output end all use microfarad range, and the capacitor's capacity that the present embodiment uses is micro- between 0.1
Method is between 10 microfarads.First power supply makes the output voltage adjustable level conversion chip that can control using band, and enable end is controlled
The common I/O foot control system of one of MCU processed, after I/O foot is enabled, the first power supply could output voltage.First power level converts core
The voltage controlled resistance of piece is adjustable digital adjustable potentiometer, and control MCU provides numeral input by communication interface to adjust electricity
The resistance value size of position device, thus the power supply output size of the first power supply of control.
Second source provides voltage output for the grid of RF power amplification chip, be when the grid voltage of RF power amplification starts-
After 2.5V guarantees that grid pinch off, drain voltage apply, grid voltage jumps to -1V or so to reach RF power amplification best effort
Point.Second source is generated by dividing after two-way Voltage Series same resistance, wherein being all the way -5V, another way is 3V voltage, 3V electricity
Pressure is generated by control MCU control electrical level transferring chip enable end.- 5V voltage is generated by DCDC Switching Power Supply, DCDC Switching Power Supply
Output resistance should be as small as possible to guarantee stable output voltage.3V voltage is adjustable voltage, and output voltage can pass through number
The resistance value of adjustable potentiometer is adjusted, and digital adjustable potentiometer is by the control of control MCU, can according to real work situation into
Row is adjusted to provide the grid voltage of RF power amplification best operating point.
Control module is made of the MCU and its peripheral circuit of ARM kernel, and control module includes two kinds of functions, one is can
The electrifying timing sequence of power supply circuit described in programming Control, the second is by controlling digital adjustable potentiometer resistance value programmable regulating grid
With drain voltage size.
As shown in figure 3, the electrifying timing sequence of power supply module, offer -2.5V voltage gives radio frequency function after second source is divided by -5V
It puts chip gate and guarantees grid pinch off.After control module is started to work, the first power supply can be enabled first, RF power amplification chip is provided
Drain voltage, then the second road voltage of enabled second source, 3V voltage are supplied to generation -1V voltage after -5V voltage and penetrate
Frequency power amplifier chips grid.Grid voltage and drain voltage have and can programmably be adjusted to be applicable in different RF power amplifications
Chip.
The present invention is powered on using the programmable timing sequence that the internal clocking delay of control MCU realizes RF power amplification chip, is protected
The normal work for having demonstrate,proved RF power amplification chip improves the stability and safety of system.The control MCU also passes through control can
It adjusts the resistance value of digital adjustable potentiometer to realize the programmable regulating of RF power amplification chip gate voltage and drain voltage, makes this hair
It is bright to be suitable for a variety of different power amplifier chips, and power supply module structure of the invention is simple, it is low in cost.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, what can be readily occurred in transforms or replaces those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (6)
1. a kind of PLC technology RF power amplification power supply module, which is characterized in that by control MCU, digital adjustable potentiometer and confession
Circuit composition；
The control MCU is used to control the electrifying timing sequence of power supply circuit, adjusts grid by controlling digital adjustable potentiometer resistance value
With drain voltage size；Power supply circuit includes two power supplys, and respectively RF power amplification chip drain and gate provides voltage.
2. PLC technology RF power amplification power supply module according to claim 1, which is characterized in that the power supply circuit packet
It includes and provides the first power supply of voltage for RF power amplification drain electrode and provide the second source of voltage for RF power amplification grid；
First power supply controls enable end using electrical level transferring chip, and output voltage is adjusted by the resistance value of digital adjustable potentiometer,
Output is connected to RF power amplification drain electrode；
Second source is generated by the first level shifting circuit and second electrical level conversion circuit output partial pressure, the first level shifting circuit
Turn negative level conversion chip using negative, second electrical level conversion circuit makes to can control electrical level transferring chip, and its output electricity using band
Pressure is adjusted by the resistance value of digital adjustable potentiometer；First level shifting circuit and the output of second electrical level conversion circuit pass through partial pressure electricity
Resistance connects together, and output is connected to RF power amplification grid.
3. PLC technology RF power amplification power supply module according to claim 2, which is characterized in that the level of the first power supply
Conversion chip enable end, the first power supply digital adjustable potentiometer control terminal be connected to control MCU control port.
4. PLC technology RF power amplification power supply module according to claim 1, which is characterized in that the control MCU is logical
Internal clocking delay is crossed the electrifying timing sequence of power supply circuit is arranged.
5. PLC technology RF power amplification power supply module according to claim 4, which is characterized in that electrifying timing sequence are as follows: first
First it is ensured that RF power amplification grid pinch off, then drain voltage output is controlled, finally by PLC technology number adjustable potentiometer
Resistance value adjust grid voltage to ideal operation point.
6. PLC technology RF power amplification power supply module according to claim 1, which is characterized in that the output of second source
Voltage is generated by two-way voltage, wherein fixing the following voltage of output -4V all the way, another way voltage is made the electricity that can control by band
Flat conversion chip generates, and its voltage is adjustable, and voltage is adjusted by the resistance value of the digital adjustable potentiometer of control MCU control,
Voltage output value reaches grid voltage needed for best operating point by RF power amplification chip and determines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658225.9A CN110428039B (en) | 2019-07-21 | 2019-07-21 | Programmable control radio frequency power amplifier power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658225.9A CN110428039B (en) | 2019-07-21 | 2019-07-21 | Programmable control radio frequency power amplifier power supply module |
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| Publication Number | Publication Date |
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| CN110428039A true CN110428039A (en) | 2019-11-08 |
| CN110428039B CN110428039B (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910658225.9A Active CN110428039B (en) | 2019-07-21 | 2019-07-21 | Programmable control radio frequency power amplifier power supply module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111294214A (en) * | 2020-01-21 | 2020-06-16 | Oppo广东移动通信有限公司 | Power supply method and related product |
| CN112153532A (en) * | 2020-09-27 | 2020-12-29 | 上海博泰悦臻网络技术服务有限公司 | Vehicle, vehicle machine with vehicle machine, vehicle machine circuit adaptive to external power amplifier and control method |
| CN112799020A (en) * | 2020-12-16 | 2021-05-14 | 北京无线电测量研究所 | Multi-voltage power supply modulation chip |
| CN115373324A (en) * | 2022-10-19 | 2022-11-22 | 井芯微电子技术(天津)有限公司 | Board card power supply time sequence control and monitoring method and device based on micro control unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956979A (en) * | 2014-04-01 | 2014-07-30 | 京信通信技术(广州)有限公司 | Power supply control device for power amplifier tube and power-on and power-off control method thereof |
| CN207529257U (en) * | 2017-07-05 | 2018-06-22 | 南京朴与诚电子科技有限公司 | GaN-HEMT power tube grid drain electrodes sequence of power switching protects biasing circuit |
-
2019
- 2019-07-21 CN CN201910658225.9A patent/CN110428039B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956979A (en) * | 2014-04-01 | 2014-07-30 | 京信通信技术(广州)有限公司 | Power supply control device for power amplifier tube and power-on and power-off control method thereof |
| CN207529257U (en) * | 2017-07-05 | 2018-06-22 | 南京朴与诚电子科技有限公司 | GaN-HEMT power tube grid drain electrodes sequence of power switching protects biasing circuit |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111294214A (en) * | 2020-01-21 | 2020-06-16 | Oppo广东移动通信有限公司 | Power supply method and related product |
| CN111294214B (en) * | 2020-01-21 | 2021-09-14 | Oppo广东移动通信有限公司 | Power supply method and related product |
| CN112153532A (en) * | 2020-09-27 | 2020-12-29 | 上海博泰悦臻网络技术服务有限公司 | Vehicle, vehicle machine with vehicle machine, vehicle machine circuit adaptive to external power amplifier and control method |
| CN112153532B (en) * | 2020-09-27 | 2022-07-19 | 上海博泰悦臻网络技术服务有限公司 | Vehicle, vehicle machine with vehicle machine, vehicle machine circuit adaptive to external power amplifier and control method |
| CN112799020A (en) * | 2020-12-16 | 2021-05-14 | 北京无线电测量研究所 | Multi-voltage power supply modulation chip |
| CN112799020B (en) * | 2020-12-16 | 2023-11-28 | 北京无线电测量研究所 | Multi-voltage power supply modulation chip |
| CN115373324A (en) * | 2022-10-19 | 2022-11-22 | 井芯微电子技术(天津)有限公司 | Board card power supply time sequence control and monitoring method and device based on micro control unit |
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| Publication number | Publication date |
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| CN110428039B (en) | 2022-09-27 |
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