CN107707251A - A kind of signal transmission power control method and device - Google Patents
A kind of signal transmission power control method and device Download PDFInfo
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- CN107707251A CN107707251A CN201710474566.1A CN201710474566A CN107707251A CN 107707251 A CN107707251 A CN 107707251A CN 201710474566 A CN201710474566 A CN 201710474566A CN 107707251 A CN107707251 A CN 107707251A
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- voltage reference
- radio
- bandgap voltage
- control
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L5/00—Automatic control of voltage, current, or power
- H03L5/02—Automatic control of voltage, current, or power of power
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
Abstract
The embodiment of the invention discloses a kind of signal transmission power control method and device, it is related to electronic technology field, wherein method includes：Open radio-frequency power amplifier；Obtain default first bandgap voltage reference control word and the first bandgap voltage reference regulation step；According to the first bandgap voltage reference control word and the first bandgap voltage reference regulation step, the bandgap voltage reference of radio-frequency power amplifier input is adjusted up, completes the climbing control of one-level power；Obtain default first gain control word and the first gain-adjusted step；According to the first gain control word and the first gain-adjusted step, the gain factor of radio-frequency power amplifier is adjusted up, completes secondary power climbing control.The embodiment of the present invention when radio frequency amplifier is turned on and off, can realize the slow smooth control of transmission power, effective to suppress out of band spectrum leakage.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of signal transmission power control method and device.
Background technology
In recent years, a series of researchs on radio communication circuit have been carried out both at home and abroad, have obtained in a wireless communication system
Many great successes, especially low-power consumption bluetooth wireless communication standard modulation system GFSK (Gaussian Frequency
Shift Keying, GFSK Gaussian Frequency Shift Keying), obtain larger breakthrough, its have easily realize, applicable band is wide, anti-interference energy
The power preferable radio-frequency performance such as by force, but in some aspects there is also there is some defects, the radio frequency work(as used in GFSK modulation
For rate amplifier when being turned on and off, signal transmission power transient change amplitude is larger, and out of band spectrum leakage easily occurs, reduces
Communication performance；In addition, radio-frequency power amplifier when opening, can also make voltage controlled oscillator produce frequency pulling and impact electricity
Stream.
The content of the invention
The embodiment of the present invention provides a kind of signal transmission power control method and device, can be opened in radio-frequency power amplifier
Qi Shi, the slow smooth control of signal transmission power is realized, suppresses out of band spectrum leakage；Furthermore it is also possible to reduce VCO
Frequency pulling caused by device and dash current.
In a first aspect, the embodiments of the invention provide a kind of signal transmission power control method, including：
Open radio-frequency power amplifier；
Obtain default first bandgap voltage reference control word and the first bandgap voltage reference regulation step；
According to the first bandgap voltage reference control word and first bandgap voltage reference regulation step, it is adjusted up
The bandgap voltage reference of the radio-frequency power amplifier input, complete the climbing control of one-level power；
Obtain default first gain control word and the first gain-adjusted step；
According to the first gain control word and the first gain-adjusted step, the radio-frequency power amplification is adjusted up
The gain factor of device, complete secondary power climbing control.
Second aspect, the embodiments of the invention provide a kind of signal transmission power control method, including：
Close the radio-frequency power amplifier；
Obtain default second gain control word and the second gain-adjusted step；
According to the second gain control word and the second gain-adjusted step, the radio-frequency power amplification is adjusted downwards
The gain factor of device, complete the control of one-level power descending grade；
Obtain default second bandgap voltage reference control word and the second bandgap voltage reference regulation step；
According to the second bandgap voltage reference control word and second bandgap voltage reference regulation step, downwards regulation
The bandgap voltage reference of the radio-frequency power amplifier input, completes the control of secondary power descending grade.
The third aspect, the embodiments of the invention provide a kind of signal transmission power control device, including：
First switch control unit, for opening radio-frequency power amplifier；
One-level climbing parameter acquiring unit, for obtaining default first bandgap voltage reference control word and the first band gap base
Quasi- voltage-regulation step；
One-level climbing control unit, for according to the default first bandgap voltage reference control word and the first band
Gap reference voltage adjusts step, is adjusted up the bandgap voltage reference of the radio-frequency power amplifier input, completes one-level power
Climbing control；
Two level climbing parameter acquiring unit, for obtaining default first gain control word and the first gain-adjusted step；
Two level climbing control unit, for according to the default first gain control word and first gain-adjusted step
Rank, the gain factor of the radio-frequency power amplifier is adjusted up, completes secondary power climbing control.
Fourth aspect, the embodiments of the invention provide a kind of signal transmission power control device, including：
Second switch control unit, for closing the radio-frequency power amplifier；
One-level descending grade parameter acquiring unit, for obtaining default second gain control word and the second gain-adjusted step；
One-level descending grade control unit, for according to the second gain control word and the second gain-adjusted step, to
The gain factor of the lower regulation radio-frequency power amplifier, completes the control of one-level power descending grade；
Two level descending grade parameter acquiring unit, for obtaining default second bandgap voltage reference control word and the second band gap base
Quasi- voltage-regulation step；
Two level descending grade control unit, for according to the second bandgap voltage reference control word and second band-gap reference
Voltage-regulation step, the bandgap voltage reference of the radio-frequency power amplifier input is adjusted downwards, completes secondary power descending grade control
System.
5th aspect, the embodiments of the invention provide another signal transmission power control device, including processor, input
Equipment, output equipment and memory, the processor, input equipment, output equipment and memory are connected with each other, wherein, it is described
Memory is used to store the application program instructions for supporting signal transmission power control device to perform the above method, the processor quilt
It is configured to call the application program instructions, the method for performing above-mentioned first aspect.
6th aspect, the embodiments of the invention provide a kind of computer-readable recording medium, the computer-readable storage medium
Computer program is stored with, the computer program includes programmed instruction, and described program instruction makes institute when being executed by a processor
The method for stating the above-mentioned first aspect of computing device.
7th aspect, the embodiments of the invention provide another signal transmission power control device, including processor, input
Equipment, output equipment and memory, the processor, input equipment, output equipment and memory are connected with each other, wherein, it is described
Memory is used to store the application program instructions for supporting signal transmission power control device to perform the above method, the processor quilt
It is configured to call the application program instructions, the method for performing above-mentioned second aspect.
Eighth aspect, the embodiments of the invention provide a kind of computer-readable recording medium, the computer-readable storage medium
Computer program is stored with, the computer program includes programmed instruction, and described program instruction makes institute when being executed by a processor
The method for stating the above-mentioned second aspect of computing device.
The embodiment of the present invention climbed by two stage power/precise controlling of descending grade, it can open or close in radio frequency amplifier
When closing, the slow smooth control of transmission power is realized, it is effective to suppress out of band spectrum leakage；In addition, the embodiment of the present invention, passes through
After radio-frequency power amplifier unlatching, default climbing time delay is waited, then proceeds by power climbing, radio frequency can be reduced
When amplifier is opened, frequency pulling and dash current caused by voltage controlled oscillator.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it is required in being described below to embodiment to use
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow diagram for signal transmission power control method that the embodiment of the present invention one provides；
Fig. 2 is a kind of schematic flow diagram for signal transmission power control method that the embodiment of the present invention two provides；
Fig. 3 is a kind of schematic flow diagram for signal transmission power control method that the embodiment of the present invention three provides；
Fig. 4 is a kind of schematic flow diagram for signal transmission power control method that the embodiment of the present invention four provides；
Fig. 5 be the embodiment of the present invention four provide a kind of signal transmission power control method in radio-frequency power amplifier when
Sequence control figure；
Fig. 6 is a kind of schematic block diagram for signal transmission power control device that the embodiment of the present invention five provides；
Fig. 7 is a kind of schematic block diagram for signal transmission power control device that the embodiment of the present invention six provides；
Fig. 8 is a kind of signal transmission power control device schematic block diagram that the embodiment of the present invention seven provides；
Fig. 9 is a kind of signal transmission power control device schematic block diagram that the embodiment of the present invention eight provides；
Figure 10 is a kind of signal transmission power control device schematic block diagram that the embodiment of the present invention nine provides；
Figure 11 is a kind of signal transmission power control device schematic block diagram that the embodiment of the present invention ten provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It should be appreciated that ought be in this specification and in the appended claims in use, term " comprising " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but it is not precluded from one or more of the other feature, whole
Body, step, operation, element, component and/or its presence or addition for gathering.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As used in description of the invention and appended claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singulative, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and appended claims is
Refer to any combinations of one or more of the associated item listed and be possible to combine, and including these combinations.
As used in this specification and in the appended claims, term " if " can be according to context quilt
Be construed to " when ... " or " once " or " in response to determining " or " in response to detecting ".Similarly, phrase " if it is determined that " or
" if detecting [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " in response to true
It is fixed " or " once detecting [described condition or event] " or " in response to detecting [described condition or event] ".
It is that the embodiment of the present invention one provides a kind of schematic flow diagram of signal transmission power control method, the party referring to Fig. 1
The executive agent of method is the signal tranmitting frequency control device of radio-frequency power amplifier.As shown in figure 1, the one of the present embodiment offer
Kind signal transmission power control method, may comprise steps of：
Step S101, open radio-frequency power amplifier.
Preferably, in the present embodiment, before being received by the signal tranmitting frequency control device of the radio-frequency power amplifier
The packet enable signal of level circuit output, and determine whether that opening the radio-frequency power amplifies according to packet enable signal
Device, wherein the packet enable signal is high level signal or low level signal, the signal tranmitting frequency control device
It can be parsed after the packet enable signal is received, if it is high level signal to parse it, institute can be opened
State radio-frequency power amplifier.
Step S102, obtain default first bandgap voltage reference control word and the first bandgap voltage reference regulation step.
Preferably, in the present embodiment, the first bandgap voltage reference control word can be by user according to target power
Preset, the first bandgap voltage reference regulation step can be by user according to the first bandgap voltage reference control word
Preset with the desired one-level power climbing time, wherein the first band gap reference voltage control word refers to that one-level power is climbed
The target bandgap voltage reference on slope, wherein first band gap reference voltage regulation step refers to the band gap of radio frequency amplifier input
Regulation step of the reference voltage during power climbing.
Step S103, adjusted according to the default first bandgap voltage reference control word and first bandgap voltage reference
Step is saved, is adjusted up the bandgap voltage reference of the radio-frequency power amplifier input, completes the climbing control of one-level power.
Preferably, in the present embodiment, step S103 is specifically included：
Step is adjusted according to first bandgap voltage reference, controls the band-gap reference of the radio-frequency power amplifier input
Voltage, which is started from scratch, to be adjusted up, until the bandgap voltage reference of radio-frequency power amplifier input reaches described default the
Untill one bandgap voltage reference control word, the climbing control of one-level power is completed.
Step S104, after the completion of one-level power climbing, obtain default first gain control word and the first gain
Adjust step.
Preferably, in the present embodiment, the first gain control word can be preset by user according to target power,
The first gain-adjusted step can be climbed the time by user according to the gain-adjusted control word and desired secondary power
Preset, wherein the first gain control word refers to the target gain multiple of secondary power climbing, wherein described first increases
Benefit regulation step refers to regulation step of the gain factor of radio frequency amplifier during power climbing.
Step S105, according to the first gain control word and the first gain-adjusted step, it is adjusted up described penetrate
The gain factor of frequency power amplifier, complete secondary power climbing control.
Preferably, in the present embodiment, the radio-frequency power amplifier includes multistage amplifier circuit, in power climbing process
In, multistage amplifier circuit can be opened successively, to complete the increasing of radio-frequency power amplifier according to the gain-adjusted step pre-set
Benefit control.Further, step S105 is specifically included：
According to the first gain-adjusted step, the gain multiplication factor of the radio-frequency power amplifier is controlled to start from scratch
Slowly it is adjusted up, until the gain multiplication factor of the radio-frequency power amplifier reaches the default first gain control word
Untill, complete secondary power climbing control.
Above as can be seen that a kind of signal transmission power control method of the present embodiment offer is due to opening radio-frequency power
During amplifier, power rise is controlled to target power value using the control mode of two stage power climbing, so as in radio frequency work(
When rate amplifier is opened, the slow smooth control of transmission power is realized, effectively inhibits out of band spectrum to reveal.
Fig. 2 be the embodiment of the present invention two provide a kind of signal transmission power control method schematic flow diagram, this method
Executive agent be radio-frequency power amplifier in signal transmission power control device.It is shown in Figure 2, implement relative to upper one
Example, a kind of signal transmission power control method that the present embodiment provides, in addition to：
Step S202, after radio-frequency power amplifier unlatching, wait default climbing time delay.
Preferably, in the present embodiment, the default climbing time delay can be preset by user, it is necessary to ensure
The time sum needed for time and secondary power climbing needed for climbing time delay and one-level the power climbing be more than from
Radio frequency amplifier opens the time to the effective data packets for receiving front stage circuits transmission.It can so ensure, send data
The effective field of bag completes whole power climbing before arriving, reduce communication bit error rates.
It should be noted that the step S201 in the present embodiment, and step S203~step S206 due to respectively with it is upper
Step S101~step S105 implementation is identical in one embodiment, therefore, will not be repeated here.
Relative to a upper embodiment, the present embodiment use after radio-frequency power amplifier unlatching, wait default climbing
Time delay, then power climbing is proceeded by, when can so reduce radio frequency amplifier unlatching, frequency caused by voltage controlled oscillator
Traction and dash current.
Fig. 3 be the embodiment of the present invention three provide a kind of signal transmission power control method schematic flow diagram, this method
Executive agent be radio-frequency power amplifier in signal transmission power control device.It is shown in Figure 3, what the present embodiment provided
A kind of signal transmission power control method, including：
Step S307, close the radio-frequency power amplifier.
Preferably, in the present embodiment, before being received by the signal tranmitting frequency control device of the radio-frequency power amplifier
The packet enable signal of level circuit output, and determine whether that closing the radio-frequency power amplifies according to packet enable signal
Device, wherein the packet enable signal is high level signal or low level signal, the signal tranmitting frequency control device
It can be parsed after the packet enable signal is received, if it is low level signal to parse it, institute can be closed
State radio-frequency power amplifier.
Step S308, obtain default second gain control word and the second gain-adjusted step.
Wherein, the second gain control word refers to target gain of the radio frequency amplifier during power descending grade, described
Second gain control word can be preset by user.Preferably, in the present embodiment, the second gain control word is zero.
Wherein, the second gain-adjusted step refers to the gain multiplication factor of radio frequency amplifier, in power descending grade process
In regulation step, the second gain-adjusted step can be climbed by user according to gain-adjusted scope and desired secondary power
The slope time presets.
Step S309, according to the second gain control word and the second gain-adjusted step, penetrated described in regulation downwards
The gain factor of frequency power amplifier, complete the control of one-level power descending grade.
Preferably, in the present embodiment, step S309 is specifically included：
According to the second gain-adjusted step, control the gain factor of the radio frequency amplifier from power before climb when
Target gain multiple slowly adjust downwards, untill the gain factor of the radio frequency amplifier is reduced to zero, complete one-level work(
Rate descending grade controls.
Step S310, obtain default second bandgap voltage reference control word and the second bandgap voltage reference regulation step.
Wherein, the second bandgap voltage reference control word refers to the target bandgap voltage reference of secondary power rate descending grade,
It can be preset by user.Preferably, in the present embodiment, second bandgap voltage reference is zero.
Wherein, the second bandgap voltage reference regulation step refers to the bandgap voltage reference of radio frequency amplifier input in work(
Regulation step during rate descending grade, can by user previously according to secondary power descending grade when bandgap voltage reference adjustable range be
The time of desired secondary power descending grade sets.
Step S311, according to the second bandgap voltage reference control word and second bandgap voltage reference regulation step
Rank, the bandgap voltage reference of the radio-frequency power amplifier input is adjusted downwards, completes the control of secondary power descending grade.
Preferably, in the present embodiment, step S311 is specifically included：
Step is adjusted according to second bandgap voltage reference, controls the band-gap reference of the radio-frequency power amplifier input
Voltage is adjusted downwards since the bandgap voltage reference desired value that power before is climbed, until the radio-frequency power amplifier inputs
Bandgap voltage reference be reduced to zero untill, complete the control of secondary power descending grade.
Above as can be seen that the present embodiment provide a kind of signal transmission power control method, due to close radio frequency work(
During rate amplifier, zero is reduced to using the control mode control power on two stage power descending grade slope, so that can also be in radio-frequency power
When amplifier is closed, the slow smooth control of transmission power is realized, further effectively inhibits out of band spectrum to reveal.
Fig. 4 is a kind of schematic flow diagram for signal transmission power control method that the embodiment of the present invention four provides.Referring to Fig. 4
A kind of signal transmission power control method shown, that the present embodiment provides, including：
Step S401, open radio-frequency power amplifier；
Step S402, after radio-frequency power amplifier unlatching, wait default climbing time delay.
Step S403, obtain default first bandgap voltage reference control word and the first bandgap voltage reference regulation step；
Step S404, according to the first bandgap voltage reference control word and first bandgap voltage reference regulation step
Rank, the bandgap voltage reference of the radio-frequency power amplifier input is adjusted up, completes the climbing control of one-level power；
Step S405, obtain default first gain control word and the first gain-adjusted step；
Step S406, according to the first gain control word and the first gain-adjusted step, it is adjusted up described penetrate
The gain factor of frequency power amplifier, complete secondary power climbing control.
Step S407, close the radio-frequency power amplifier；
Step S408, obtain default second gain control word and the second gain-adjusted step；
Step S409, according to the second gain control word and the second gain-adjusted step, penetrated described in regulation downwards
The gain factor of frequency power amplifier, complete the control of one-level power descending grade；
Step S410, obtain default second bandgap voltage reference control word and the second bandgap voltage reference regulation step；
Step S411, according to the second bandgap voltage reference control word and second bandgap voltage reference regulation step
Rank, the bandgap voltage reference of the radio-frequency power amplifier input is adjusted downwards, completes the control of secondary power descending grade.
It should be noted that due to above-mentioned steps S401~step S404 in the present embodiment implementation respectively with Fig. 1
The implementation of each method and step is identical in~embodiment illustrated in fig. 3, therefore, will not be repeated here.
In addition, it is necessary to explanation, in a particular application, the second gain-adjusted step can be with described default the
One gain step is equal, can not also wait.Preferably, in the present embodiment, the second gain-adjusted step and described first
Gain-adjusted step is equal.
In addition, it is necessary to explanation, in a particular application, second bandgap voltage reference regulation step can with it is described
First bandgap voltage reference regulation step is identical, can also be different.Preferably, in the present embodiment, second band-gap reference
Voltage-regulation step is equal to first bandgap voltage reference regulation step.
Further, it is shown in Figure 5, it illustrates in the present embodiment, radio-frequency power amplifier in the present embodiment
SECO figure.Wherein, Pkt_en represents to refer to the enable signal of packet, and tx_data represents data packet signal, and Txvld is represented
Packet effective field signal, Pa_en represent the enable signal being turned on and off of radio frequency amplifier, and Bgr_d2a represents band gap
Reference voltage signal, Gctrl_d2a represent gain signal.As shown in Figure 4, can be arrived in the present embodiment in digital useful signal
Preceding completion power climbing, just starts power descending grade at the end of digital useful signal, can so reduce communication bit error rates.
Above as can be seen that a kind of signal transmission power control method provided in an embodiment of the present invention, due to opening or
When closing radio-frequency power amplifier, using two stage power climbing or the control mode of descending grade, the signal for adjusting radio frequency amplifier is sent out
Power is penetrated, so as to which the slow smooth control of transmission power when radio-frequency power amplifier is turned on and off, can also be realized, enters one
Step effectively inhibits out of band spectrum to reveal；Further, since after radio frequency amplifier unlatching, default climbing time delay is waited
Just proceed by afterwards power climbing, when starting so as to reduce radio frequency amplifier, frequency pulling caused by voltage controlled oscillator and
Dash current..
Fig. 6 be the embodiment of the present invention five provide a kind of signal transmission power control device schematic block diagram, the signal
Emission power control device is located in radio-frequency power amplifier, for controlling the signal of the radio-frequency power amplifier to launch work(
Rate.Part related to the present embodiment is illustrate only for convenience of description.
A kind of signal transmission power control device 600 shown in Figure 6, that the present embodiment provides, including：
First switch control unit 11, for opening radio-frequency power amplifier；
One-level climbing parameter acquiring unit 12, for obtaining default first bandgap voltage reference control word and the first band gap
Reference voltage adjusts step；
One-level climbing control unit 13, for according to the first bandgap voltage reference control word and the first band gap base
Quasi- voltage-regulation step, the bandgap voltage reference of the radio-frequency power amplifier input is adjusted up, completes the climbing of one-level power
Control；
Two level climbing parameter acquiring unit 14, for obtaining default first gain control word and the first gain-adjusted step
Rank；
Two level climbing control unit 15, for according to the default first gain control word and first gain-adjusted
Step, the gain factor of the radio-frequency power amplifier is adjusted up, completes secondary power climbing control.
Preferably, shown in Figure 7, in embodiment six, the signal transmission power control device 700 also includes：
Climbing delay cell 16, for after radio-frequency power amplifier unlatching, waiting default climbing time delay.
It should be noted that the unit in the device that the present embodiment provides is due to method shown in Fig. 1~Fig. 2 of the present invention
Embodiment is based on same design, and its technique effect brought is identical with embodiment of the method shown in Fig. 1~Fig. 2 of the present invention, specific interior
Hold the narration that can be found in embodiment of the method shown in Fig. 1~Fig. 2 of the present invention, here is omitted.
Thus, it will be seen that signal transmission power control device provided in an embodiment of the present invention is also due to pass through two-stage
The precise controlling of power climbing, the slow smooth control of transmission power, effective suppression when radio frequency amplifier is opened, can be realized
Out of band spectrum leakage processed；Further, since by after radio-frequency power amplifier is opened, waiting default climbing time delay, then
Proceed by power climbing, when being opened so as to reduce radio frequency amplifier, frequency pulling and impact caused by voltage controlled oscillator
Electric current.
Fig. 8 be the embodiment of the present invention seven provide a kind of signal transmission power control device schematic block diagram, the signal
Emission power control device is located in radio-frequency power amplifier, for controlling the signal of the radio-frequency power amplifier to launch work(
Rate.Part related to the present embodiment is illustrate only for convenience of description.
Shown in Figure 8, a kind of signal transmission power control device 800 that the present embodiment provides includes：
Second switch control unit 17, for closing the radio-frequency power amplifier；
One-level descending grade parameter acquiring unit 18, for obtaining default second gain-adjusted step；
One-level descending grade control unit 19, for according to the second gain-adjusted step, adjusting the radio-frequency power downwards
The gain factor of amplifier, until the gain factor of the radio frequency amplifier is reduced to zero, complete the control of one-level power descending grade；
Two level descending grade parameter acquiring unit 20, for when the one-level power descending grade is completed, obtaining default second band
Gap reference voltage adjusts step；
Two level descending grade control unit 21, for adjusting step according to second bandgap voltage reference, downwards described in regulation
The bandgap voltage reference of radio-frequency power amplifier input, until the bandgap voltage reference is reduced to zero, complete secondary power descending grade
Control.
It should be noted that the unit in the device that the present embodiment provides is due to the implementation of method shown in Fig. 3 of the present invention
Example is based on same design, and its technique effect brought is identical with embodiment of the method shown in Fig. 3 of the present invention, and particular content can be found in this
Narration in embodiment of the method shown in Invention figure 3, here is omitted.
Thus, it will be seen that signal transmission power control device provided in an embodiment of the present invention is due to passing through two stage power
The precise controlling of descending grade, the slow smooth control of transmission power when radio frequency amplifier is closed, can be realized, effectively suppresses band
External spectrum is revealed.
Fig. 9 be the embodiment of the present invention eight provide a kind of signal transmission power control device schematic block diagram, the signal
Emission power control device is located in radio-frequency power amplifier, for controlling the signal of the radio-frequency power amplifier to launch work(
Rate.Part related to the present embodiment is illustrate only for convenience of description.
Shown in Figure 9, a kind of signal transmission power control device 900 that the present embodiment provides includes：
First switch control unit 11, for opening radio-frequency power amplifier；
One-level climbing parameter acquiring unit 12, for obtaining default first bandgap voltage reference control word and the first band gap
Reference voltage adjusts step；
One-level climbing control unit 13, for according to the first bandgap voltage reference control word and the first band gap base
Quasi- voltage-regulation step, the bandgap voltage reference of the radio-frequency power amplifier input is adjusted up, completes the climbing of one-level power
Control；
Two level climbing parameter acquiring unit 14, for obtaining default first gain control word and the first gain-adjusted step
Rank；
Two level climbing control unit 15, for according to the default first gain control word and first gain-adjusted
Step, the gain factor of the radio-frequency power amplifier is adjusted up, completes secondary power climbing control.
Climbing delay cell 16, for after radio-frequency power amplifier unlatching, waiting default climbing time delay.
Second switch control unit 17, for closing the radio-frequency power amplifier；
One-level descending grade parameter acquiring unit 18, for obtaining default second gain-adjusted step；
One-level descending grade control unit 19, for according to the second gain-adjusted step, adjusting the radio-frequency power downwards
The gain factor of amplifier, until the gain factor of the radio frequency amplifier is reduced to zero, complete the control of one-level power descending grade；
Two level descending grade parameter acquiring unit 20, for when the one-level power descending grade is completed, obtaining default second band
Gap reference voltage adjusts step；
Two level descending grade control unit 21, for adjusting step according to second bandgap voltage reference, downwards described in regulation
The bandgap voltage reference of radio-frequency power amplifier input, until the bandgap voltage reference is reduced to zero, complete secondary power descending grade
Control.
It should be noted that the unit in the device that the present embodiment provides is due to the implementation of method shown in Fig. 4 of the present invention
Example is based on same design, and its technique effect brought is identical with embodiment of the method shown in Fig. 4 of the present invention, and particular content can be found in this
Narration in embodiment of the method shown in Invention figure 4, here is omitted.
Thus, it will be seen that signal transmission power control device provided in an embodiment of the present invention is due to passing through two stage power
The precise controlling of climbing/descending grade, the slow smooth control of transmission power when radio frequency amplifier is turned on and off, can be realized,
It is effective to suppress out of band spectrum leakage；Further, since by after radio-frequency power amplifier is opened, waiting default climbing delay
Time, then proceed by power climbing, when being opened so as to reduce radio frequency amplifier, frequency pulling caused by voltage controlled oscillator
And dash current.
It is a kind of schematic block diagram for signal transmission power control device that the embodiment of the present invention nine provides referring to Figure 10.
As shown in Figure 10, the signal transmission power control device 100 in the present embodiment can include：One or more processors 101；One
Individual or multiple input equipments 102, one or more output equipments 103 and memory 104.Above-mentioned processor 101, input equipment
102nd, output equipment 803 and memory 104 are connected by bus 105.Memory 102 is used to store application program instructions, handles
Device 101 is used for the instruction for performing the storage of memory 102.Wherein, the processor 101 is used to call application program instructions, performs
The signal transmission power control method that Fig. 1 or embodiment illustrated in fig. 2 provide, applied for example, the processor 101 is used to call
Programmed instruction, perform following steps：
Open radio-frequency power amplifier；
Obtain default first bandgap voltage reference control word and the first bandgap voltage reference regulation step；
According to the first bandgap voltage reference control word and first bandgap voltage reference regulation step, it is adjusted up
The bandgap voltage reference of the radio-frequency power amplifier input, complete the climbing control of one-level power；
Obtain default first gain control word and the first gain-adjusted step；
According to the first gain control word and the first gain-adjusted step, the radio-frequency power amplification is adjusted up
The gain factor of device, complete secondary power climbing control.
It is a kind of schematic block diagram for signal transmission power control device that the embodiment of the present invention ten provides referring to Figure 11.
As shown in figure 11, the signal transmission power control device 200 in the present embodiment can include：One or more processors 201；One
Individual or multiple input equipments 202, one or more output equipments 203 and memory 204.Above-mentioned processor 201, input equipment
202nd, output equipment 203 and memory 204 are connected by bus 205.Memory 202 is used to store application program instructions, handles
Device 201 is used for the instruction for performing the storage of memory 202.Wherein, the processor 201 is used to call application program instructions, performs
The signal transmission power control method that embodiment illustrated in fig. 3 provides, for example, the processor 201 is used to call application program to refer to
Order, perform following steps：
Close the radio-frequency power amplifier；
Obtain default second gain control word and the second gain-adjusted step；
According to the second gain control word and the second gain-adjusted step, the radio-frequency power amplification is adjusted downwards
The gain factor of device, complete the control of one-level power descending grade；
Obtain default second bandgap voltage reference control word and the second bandgap voltage reference regulation step；
According to the second bandgap voltage reference control word and second bandgap voltage reference regulation step, downwards regulation
The bandgap voltage reference of the radio-frequency power amplifier input, completes the control of secondary power descending grade.
It should be appreciated that in embodiments of the present invention, alleged processor 101 or 201 can be CPU
(Central Processing Unit, CPU), the processor can also be other general processors, digital signal processor
(Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated
Circuit, ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other can
Programmed logic device, discrete gate or transistor logic, discrete hardware components etc..General processor can be microprocessor
Or the processor can also be any conventional processor etc..
Input equipment 102 or 202 can include Trackpad, fingerprint adopts sensor and (is used for the finger print information for gathering user
With the directional information of fingerprint), microphone etc., output equipment 103 or 203 can include display (LCD etc.), loudspeaker etc..
The memory 104 or 204 can include read-only storage and random access memory, and be carried to processor 801
For instruction and data.The a part of of memory 104 or 204 can also include nonvolatile RAM.For example, deposit
Reservoir 104 or 204 can be with the information of storage device type.
In the specific implementation, processor 101 described in the embodiment of the present invention either 201, input equipment 102 or 202,
Output equipment 103 or 203 can perform the implementation described in embodiment of the method provided in an embodiment of the present invention, can also hold
The implementation of signal transmission power control device described by the row embodiment of the present invention, will not be repeated here.
A kind of computer-readable recording medium, the computer-readable storage medium are provided in embodiments of the invention 11
Matter is stored with computer program, and the computer program is realized when being executed by processor：
Open radio-frequency power amplifier；
Obtain default first bandgap voltage reference control word and the first bandgap voltage reference regulation step；
According to the first bandgap voltage reference control word and first bandgap voltage reference regulation step, it is adjusted up
The bandgap voltage reference of the radio-frequency power amplifier input, complete the climbing control of one-level power；
Obtain default first gain control word and the first gain-adjusted step；
According to the default first gain control word and the first gain-adjusted step, the radio frequency work(is adjusted up
The gain factor of rate amplifier, complete secondary power climbing control.
A kind of computer-readable recording medium, the computer-readable storage medium are provided in embodiments of the invention 12
Matter is stored with computer program, and the computer program is realized when being executed by processor：
Close the radio-frequency power amplifier；
Obtain default second gain control word and the second gain-adjusted step；
According to the second gain control word and the second gain-adjusted step, the radio-frequency power amplification is adjusted downwards
The gain factor of device, complete the control of one-level power descending grade；
Obtain default second bandgap voltage reference control word and the second bandgap voltage reference regulation step；
According to the second bandgap voltage reference control word and second bandgap voltage reference regulation step, downwards regulation
The bandgap voltage reference of the radio-frequency power amplifier input, completes the control of secondary power descending grade.
The computer-readable recording medium can be the signal transmission power control device described in foregoing any embodiment
Internal storage unit, such as the hard disk or internal memory of signal transmission power control device.The computer-readable recording medium
Can match somebody with somebody on the External memory equipment of the signal transmission power control device, such as the signal transmission power control device
Standby plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD)
Card, flash card (Flash Card) etc..Further, the computer-readable recording medium can also both include signal hair
Penetrating the internal storage unit of output control device also includes External memory equipment.The computer-readable recording medium is used to store
Other programs and data needed for the computer program and the signal transmission power control device.It is described computer-readable
Storage medium can be also used for temporarily storing the data that has exported or will export.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware
With the interchangeability of software, the composition and step of each example are generally described according to function in the above description.This
A little functions are performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specially
Industry technical staff can realize described function using distinct methods to each specific application, but this realization is not
It is considered as beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience of description and succinctly, foregoing description signal
The specific work process of emission power control device and unit, the corresponding process in preceding method embodiment is may be referred to, herein
Repeat no more.
In several embodiments provided herein, it should be understood that disclosed signal transmission power control device
And method, it can realize by another way.For example, device embodiment described above is only schematical, for example,
The division of the unit, only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple
Unit or component can combine or be desirably integrated into another system, or some features can be ignored, or not perform.In addition,
Shown or discussed mutual coupling or direct-coupling or communication connection can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection or electricity, mechanical or other forms connections.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize scheme of the embodiment of the present invention according to the actual needs
Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
It is that unit is individually physically present or two or more units are integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art, or all or part of the technical scheme can be in the form of software product
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the present invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or substitutions should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (10)
- A kind of 1. signal transmission power control method, it is characterised in that including：Open radio-frequency power amplifier；Obtain default first bandgap voltage reference control word and the first bandgap voltage reference regulation step；According to the first bandgap voltage reference control word and first bandgap voltage reference regulation step, it is adjusted up described The bandgap voltage reference of radio-frequency power amplifier input, complete the climbing control of one-level power；Obtain default first gain control word and the first gain-adjusted step；According to the first gain control word and the first gain-adjusted step, the radio-frequency power amplifier is adjusted up Gain factor, complete secondary power climbing control.
- 2. signal transmission power control method according to claim 1, it is characterised in that described to obtain default first band Also include before gap reference voltage control word and bandgap voltage reference regulation step：After radio-frequency power amplifier unlatching, default climbing time delay is waited.
- A kind of 3. signal transmission power control method, it is characterised in that including：Close the radio-frequency power amplifier；Obtain default second gain control word and the second gain-adjusted step；According to the second gain control word and the second gain-adjusted step, the radio-frequency power amplifier is adjusted downwards Gain factor, complete the control of one-level power descending grade；Obtain default second bandgap voltage reference control word and the second bandgap voltage reference regulation step；Step is adjusted according to the second bandgap voltage reference control word and second bandgap voltage reference, downwards described in regulation The bandgap voltage reference of radio-frequency power amplifier input, complete the control of secondary power descending grade.
- A kind of 4. signal transmission power control device, it is characterised in that including：First switch control unit, for opening radio-frequency power amplifier；One-level climbing parameter acquiring unit, for obtaining default first bandgap voltage reference control word and the first band-gap reference electricity Pressure regulation step；One-level climbing control unit, for according to the first bandgap voltage reference control word and first bandgap voltage reference Step is adjusted, is adjusted up the bandgap voltage reference of the radio-frequency power amplifier input, completes the climbing control of one-level power；Two level climbing parameter acquiring unit, for obtaining default first gain control word and the first gain-adjusted step；Two level is climbed control unit, for according to the first gain control word and the first gain-adjusted step, to up-regulation The gain factor of the radio-frequency power amplifier is saved, completes secondary power climbing control.
- 5. signal transmission power control device according to claim 4, it is characterised in that also include：Climbing delay cell, for after radio-frequency power amplifier unlatching, waiting default climbing time delay.
- 6. a kind of signal transmission power control device, it is characterised in that also include：Second switch control unit, for closing the radio-frequency power amplifier；One-level descending grade parameter acquiring unit, for obtaining default second gain control word and the second gain-adjusted step；One-level descending grade control unit, for according to the second gain control word and the second gain-adjusted step, to downward The gain factor of the radio-frequency power amplifier is saved, completes the control of one-level power descending grade；Two level descending grade parameter acquiring unit, for obtaining default second bandgap voltage reference control word and the second band-gap reference electricity Pressure regulation step；Two level descending grade control unit, for according to the second bandgap voltage reference control word and second bandgap voltage reference Step is adjusted, the bandgap voltage reference of the radio-frequency power amplifier input is adjusted downwards, completes the control of secondary power descending grade.
- 7. a kind of signal transmission power control device, it is characterised in that including processor, input equipment, output equipment and storage Device, the processor, input equipment, output equipment and memory are connected with each other, wherein, the memory, which is used to store, applies journey Sequence instructs, and the processor is arranged to call the application program instructions, performs as described in claim any one of 1-2 Method.
- 8. a kind of computer-readable recording medium, it is characterised in that the computer-readable storage medium is stored with computer program, institute Stating computer program includes programmed instruction, and described program instruction makes the computing device such as right will when being executed by a processor Seek the method described in any one of 1-2.
- 9. a kind of signal transmission power control device, it is characterised in that including processor, input equipment, output equipment and storage Device, the processor, input equipment, output equipment and memory are connected with each other, wherein, the memory, which is used to store, applies journey Sequence instructs, and the processor is arranged to call the application program instructions, performs method as claimed in claim 3.
- A kind of 10. computer-readable recording medium, it is characterised in that the computer-readable storage medium is stored with computer program, The computer program includes programmed instruction, and described program instruction makes the computing device such as right when being executed by a processor It is required that the method described in 3.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192127A (en) * | 2018-10-29 | 2019-01-11 | 合肥鑫晟光电科技有限公司 | Sequence controller and its driving method, display device |
| CN117014027A (en) * | 2020-08-18 | 2023-11-07 | 华为技术有限公司 | Power amplifier chip and communication device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316843A (en) * | 2000-03-31 | 2001-10-10 | 三菱电机株式会社 | Radio transmitter installation with low-power consumption |
| CN1340934A (en) * | 2000-09-02 | 2002-03-20 | 华为技术有限公司 | Broadband data access circuit and its self-adaptive regulation method of channel |
| JP2005269490A (en) * | 2004-03-22 | 2005-09-29 | Matsushita Electric Ind Co Ltd | High frequency power amplifying device and integrated circuit used in the same |
| CN101228720A (en) * | 2005-05-24 | 2008-07-23 | 天工方案公司 | Dual voltage regulator for a supply voltage controlled power amplifier in a closed power control loop |
| US20130049870A1 (en) * | 2011-08-31 | 2013-02-28 | Samsung Electro-Mechanics Co., Ltd. | Power amplifier system |
| CN103181077A (en) * | 2010-08-25 | 2013-06-26 | 天工方案公司 | Amplifier gain adjustment in response to reduced supply voltage |
-
2017
- 2017-06-20 CN CN201710474566.1A patent/CN107707251B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316843A (en) * | 2000-03-31 | 2001-10-10 | 三菱电机株式会社 | Radio transmitter installation with low-power consumption |
| CN1340934A (en) * | 2000-09-02 | 2002-03-20 | 华为技术有限公司 | Broadband data access circuit and its self-adaptive regulation method of channel |
| JP2005269490A (en) * | 2004-03-22 | 2005-09-29 | Matsushita Electric Ind Co Ltd | High frequency power amplifying device and integrated circuit used in the same |
| CN101228720A (en) * | 2005-05-24 | 2008-07-23 | 天工方案公司 | Dual voltage regulator for a supply voltage controlled power amplifier in a closed power control loop |
| CN103181077A (en) * | 2010-08-25 | 2013-06-26 | 天工方案公司 | Amplifier gain adjustment in response to reduced supply voltage |
| US20130049870A1 (en) * | 2011-08-31 | 2013-02-28 | Samsung Electro-Mechanics Co., Ltd. | Power amplifier system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192127A (en) * | 2018-10-29 | 2019-01-11 | 合肥鑫晟光电科技有限公司 | Sequence controller and its driving method, display device |
| US11069275B2 (en) | 2018-10-29 | 2021-07-20 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Timing controller having detection circuit and control circuit, and driving method and display device thereof |
| CN117014027A (en) * | 2020-08-18 | 2023-11-07 | 华为技术有限公司 | Power amplifier chip and communication device |
| CN117014027B (en) * | 2020-08-18 | 2024-04-12 | 华为技术有限公司 | Power amplifier chip and communication device |
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| CN107707251B (en) | 2021-05-14 |
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