CN103532495B - A kind of adjust the method for power amplifier voltage, Apparatus and system - Google Patents
A kind of adjust the method for power amplifier voltage, Apparatus and system Download PDFInfo
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- CN103532495B CN103532495B CN201210225249.3A CN201210225249A CN103532495B CN 103532495 B CN103532495 B CN 103532495B CN 201210225249 A CN201210225249 A CN 201210225249A CN 103532495 B CN103532495 B CN 103532495B
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- power amplifier
- working channel
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- offset
- bias voltage
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Abstract
The invention discloses a kind of method adjusting power amplifier voltage, the method includes, identifies the working channel that power amplifier is currently located；Running voltage offset corresponding to current operating channel and bias voltage offset is obtained according to the corresponding relation between preset working channel with running voltage offset and the corresponding relation between working channel with bias voltage offset and the working channel that identified；Running voltage offset and bias voltage offset according to obtaining adjust the current running voltage of power amplifier and bias voltage.The invention also discloses a kind of Apparatus and system adjusting power amplifier voltage.The method disclosed in the present, Apparatus and system can make power amplifier obtain running voltage and the bias voltage being suitable for current operating channel, power amplifier is improved in the efficiency of current operating channel, and the flying power of the communication terminal at power amplifier place is also improved.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of adjust the method for power amplifier voltage, dress
Put and system.
Background technology
Mobile terminal product is the highest to the requirement of power consumption, and battery powered mobile terminal can by reducing power consumption
Increase its flying power.The power consumption of power amplifier is power consuming portions main in whole mobile terminal apparatus,
The power consumption of currently a popular 3G mobile intermediate power amplifier almost account for the 50% of whole mobile phone power consumption amount, very
To more.Therefore optimize the efficiency of power amplifier, can reduce the power consumption of power amplifier, thus significantly
Reduce Overall Power Consumption.
Power amplifier all uses identical supply voltage on different operating channel at present, so makes power
The supply voltage of amplifier to be arranged according to the various indexs required by the working channel of poor linearity, works as merit
When rate amplifier works on the working channel that the linearity is outstanding, the running voltage of power amplifier may the most not
It is that it reaches the voltage needed for optimum working efficiency, so that the power consumption of power amplifier increases, is unfavorable for
The flying power of power amplifier place end product.
Summary of the invention
The embodiment of the present invention provides a kind of and adjusts the method for power amplifier voltage, Apparatus and system, to making
Power amplifier obtains suitable voltage according to the working channel at place so that the work efficiency of power amplifier
Reach optimum.
The embodiment of the present invention provides a kind of method adjusting power amplifier voltage, including:
Identify the working channel that power amplifier is currently located；
The work that current operating channel is corresponding is obtained according to the working channel identified and preset corresponding relation
Making voltage compensation value and bias voltage offset, wherein, described preset corresponding relation is working channel and work
Make the corresponding pass between the corresponding relation between voltage compensation value, and working channel with bias voltage offset
System；
Power amplifier is adjusted respectively current according to the running voltage offset obtained and bias voltage offset
Running voltage and bias voltage.
The embodiment of the present invention also provides for a kind of device adjusting power amplifier voltage, and this device includes:
Identification module, for identifying the working channel that power amplifier is currently located；
Acquisition module, for the working channel identified according to described identification module and preset corresponding relation
Obtain running voltage offset corresponding to current operating channel and bias voltage offset, wherein said preset
Corresponding relation is the corresponding relation between working channel and running voltage offset, and working channel and biasing
Corresponding relation between voltage compensation value；
Adjusting module, for mending according to the running voltage offset acquired in described acquisition module and bias voltage
Repay value and adjust the current running voltage of power amplifier and bias voltage respectively.
The embodiment of the present invention also provides for a kind of system adjusting power amplifier voltage, and this system includes:
Adjusting apparatus, for identifying the working channel that power amplifier is currently located, according to the work identified
Channel and preset corresponding relation obtain running voltage offset corresponding to current operating channel and biased electrical
Pressure offset, wherein, described preset corresponding relation is right between working channel and running voltage offset
Should be related to, and the corresponding relation between working channel and bias voltage offset, according to the work electricity obtained
Pressure offset and bias voltage offset adjust the current running voltage of power amplifier and bias voltage respectively；
Power amplifier, is connected with described adjusting apparatus, for the work after adjusting through described adjusting apparatus
Work under voltage and bias voltage.
From the foregoing, it will be observed that due to the fact that be prefixed the running voltage offset that adapts with all kinds of working channels with
And bias voltage offset, the running voltage that therefore can obtain its correspondence after identifying current operating channel is mended
Repay value and bias voltage offset, and come according to the running voltage offset obtained and bias voltage offset
Adjust the current running voltage of power amplifier and bias voltage so that the running voltage of power amplifier is with inclined
Put voltage to adapt with current operating channel, thus improve power amplifier and imitate in the work of current operating channel
Rate.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of method basic procedure signal adjusting power amplifier voltage that the embodiment of the present invention provides
Figure；
Fig. 2 is the another kind of method flow signal adjusting power amplifier voltage that the embodiment of the present invention provides
Figure；
Fig. 3 is the another kind of method flow signal adjusting power amplifier voltage that the embodiment of the present invention provides
Figure；
Fig. 4 is the structural representation of a kind of device adjusting power amplifier voltage that the embodiment of the present invention provides
Figure；
Fig. 5 is the structural representation of the another kind of device adjusting power amplifier voltage that the embodiment of the present invention provides
Figure；
Fig. 6 is the structural representation of a kind of system adjusting power amplifier voltage that the embodiment of the present invention provides
Figure；
Fig. 7 is the structural representation of the another kind of system adjusting power amplifier voltage that the embodiment of the present invention provides
Figure.
Detailed description of the invention
The embodiment of the present invention provides a kind of and adjusts the method for power amplifier voltage, Apparatus and system, to making
Power amplifier obtains suitable voltage according to the working channel at place so that the work efficiency of power amplifier
Reach optimum.
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 clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of method improving operating efficiency of power amplifier, including:
Identify the working channel that power amplifier is currently located；
The work that current operating channel is corresponding is obtained according to the working channel identified and preset corresponding relation
Making voltage compensation value and bias voltage offset, wherein, described preset corresponding relation is working channel and work
Make the corresponding pass between the corresponding relation between voltage compensation value, and working channel with bias voltage offset
System；
Power amplifier is adjusted respectively current according to the running voltage offset obtained and bias voltage offset
Running voltage and bias voltage.
Therefore, the embodiment of the present invention is prefixed the running voltage offset adapted with working channel and partially
Put voltage compensation value, so after identifying current operating channel, it is possible to obtain the running voltage of its correspondence compensates
Value and bias voltage offset, thus the running voltage offset and bias voltage offset according to obtaining is adjusted
Running voltage that whole power amplifier is current and bias voltage so that power amplifier obtains and is appropriate to current work
Make running voltage and the bias voltage of channel, improve power amplifier and imitate in the work of current operating channel
Rate, thus improve the flying power of power amplifier place mobile terminal.
The embodiment of the present invention provides the method that another kind adjusts power amplifier voltage, as it is shown in figure 1, include:
The working channel that A1, identification power amplifier are currently located；
Power amplifier can be arranged in the mobile communication equipment with radio emission function such as mobile phone, this
Place identifies that working channel can identify according to the attribute of working channel, the frequency of such as working channel.
A2, to obtain current operating channel according to the working channel identified and preset corresponding relation corresponding
Running voltage offset and bias voltage offset, wherein, described preset corresponding relation is working channel
And right between the corresponding relation between running voltage offset, and working channel and bias voltage offset
Should be related to；
It should be noted that the working channel of different attribute presets the running voltage offset adapted with it
With bias voltage offset, after therefore identifying working channel, can transfer current from preset corresponding relation
Running voltage offset corresponding to working channel and bias voltage offset.
A3, according to obtain running voltage offset and bias voltage offset adjust power amplifier respectively
Current running voltage and bias voltage.
Running voltage offset and bias voltage offset according to the current operating channel obtained increase respectively
Or reduce the current running voltage of power amplifier and bias voltage so that the running voltage of power amplifier
Service efficiency is reached the highest while meeting current operating channel specification requirement with bias voltage.
Therefore, owing to using different running voltages when power amplifier works on different operating channel
And bias voltage, thus power amplifier can be appropriate to the operating at voltages of current operating channel, improves
The efficiency of power amplifier, thus improve the flying power of power amplifier place mobile terminal.
The embodiment of the present invention also provides for the another kind of method adjusting power amplifier voltage, as in figure 2 it is shown, bag
Include:
B1, set up the first tables of data and the second tables of data, wherein, the first tables of data comprise working channel with
Corresponding relation between running voltage offset, the second tables of data comprises working channel and bias voltage offset
Between corresponding relation；
Corresponding relation between working channel and running voltage offset, and working channel and bias voltage mend
Repay the difference that the corresponding relation between value can be the frequency according to working channel to be correspondingly arranged and adapt with it
Running voltage offset and bias voltage offset.
The working channel that B2, identification power amplifier are currently located；
Identify that the working channel that power amplifier is currently located can be by reading current operating channel herein
Frequency identifies current operating channel.
B3, obtain respectively from the first tables of data and the second tables of data current operating channel running voltage mend
Repay value and bias voltage offset；
According to the current operating channel identified, from the first tables of data, transfer the work that current operating channel is corresponding
Make voltage compensation value, from the second tables of data, transfer the bias voltage offset that current operating channel is corresponding.
B4, according to obtain running voltage offset and bias voltage offset adjust power amplifier respectively
Current running voltage and bias voltage；
Running voltage offset and bias voltage offset according to the current operating channel obtained increase accordingly
Big or reduce the current running voltage of power amplifier and bias voltage.
Therefore, owing to the power amplifier that is not all of the working channel according to power amplifier place is distinguished
Be provided with adapt with working channel running voltage offset and bias voltage offset, and according to obtaining
Running voltage offset and bias voltage offset adjust respectively the current running voltage of power amplifier and
Bias voltage so that the running voltage of power amplifier and bias voltage are more suitable for current working channel,
Thus improve the power amplifier efficiency at current operating channel, and improve power amplifier place
The flying power of mobile terminal.
The embodiment of the present invention also provides for the another kind of method adjusting power amplifier voltage, as it is shown on figure 3, bag
Include:
C1, setting up the 3rd tables of data, wherein, the 3rd tables of data comprises working channel and compensates with running voltage
Corresponding relation between value and bias voltage offset；
Right between working channel and running voltage offset and bias voltage offset in 3rd tables of data
Should be related to can be according to the different running voltage offsets adapted with it that arrange of working channel frequency with inclined
Put voltage compensation value.
The working channel that C2, identification power amplifier are currently located；
Current operating channel can be identified by the frequency of read work channel herein.
C3, the running voltage offset obtaining the working channel identified from the 3rd tables of data and biased electrical
Pressure offset；
Can transfer should the work of frequency from the 3rd tables of data according to the frequency of working channel read
The running voltage offset of channel and bias voltage offset.
C4, according to obtain running voltage offset and bias voltage offset adjust power amplifier work as
Front running voltage and bias voltage.
Running voltage offset according to obtaining increases or reduces the running voltage that power amplifier is current,
Bias voltage offset according to obtaining increases or reduces the bias voltage that power amplifier is current.
Therefore, owing to the difference of the working channel according to power amplifier place adjusts power amplification accordingly
Running voltage that device is current and bias voltage so that running voltage and the bias voltage of power amplifier are more suitable for
In current working channel, thus power amplifier can work on this working channel the most efficiently, thus changes
It is apt to the flying power of the communication terminal at this power amplifier place.
The embodiment of the present invention also provides for a kind of device improving operating efficiency of power amplifier, and this device includes:
Identification module, for identifying the working channel that power amplifier is currently located；
Acquisition module, for the working channel identified according to described identification module and preset corresponding relation
Obtain running voltage offset corresponding to current operating channel and bias voltage offset, wherein said preset
Corresponding relation is the corresponding relation between working channel and running voltage offset, and working channel and biasing
Corresponding relation between voltage compensation value；
Adjusting module, for mending according to the running voltage offset acquired in described acquisition module and bias voltage
Repay value and adjust the current running voltage of power amplifier and bias voltage respectively.
Therefore, the working channel that can be identified according to identification module due to the acquisition module in this device
Obtain the running voltage offset that adapts with this working channel and bias voltage offset, thus adjusting module
Power amplifier can be adjusted respectively current according to the running voltage offset obtained and bias voltage offset
Running voltage and bias voltage, so make the current running voltage of power amplifier and bias voltage be more suitable for
The working channel being currently located, improves the power amplifier work efficiency at current operating channel, so that
The flying power of the communication terminal obtaining power amplifier place is improved.
The embodiment of the present invention provides another kind to adjust the device of power amplifier voltage, as shown in Figure 4, this dress
Put and include:
Identification module 401, for identifying the working channel that power amplifier is currently located；
It should be noted that identification module 401 can identify work by the frequency reading current operating channel
Make channel.
Acquisition module 402, for the working channel identified according to identification module 401 and preset corresponding pass
System obtains running voltage offset corresponding to current operating channel and bias voltage offset, wherein said preset
Corresponding relation be the corresponding relation between working channel and running voltage offset, and working channel with partially
Put the corresponding relation between voltage compensation value；
Adjusting module 403, for according to the running voltage offset acquired in acquisition module 402 and bias voltage
Offset adjusts the current running voltage of power amplifier and bias voltage respectively.
Wherein, adjusting module 403 can be according to the running voltage offset obtained from acquisition module 402 with inclined
Put voltage compensation value and increase or reduce the current running voltage of power amplifier and bias voltage respectively.
Therefore, owing to the present invention implements the acquisition module 402 in the device provided according to power amplifier
The working channel at place obtains the running voltage offset adapted with this working channel and bias voltage is mended
Repay value, and adjusting module 403 adjusts, according to the output of acquisition module 402, the work that power amplifier is current accordingly
Make voltage and bias voltage so that the running voltage of power amplifier and bias voltage are more suitable for current work
Make channel, thus provide the efficiency of power amplifier, improve the mobile communication at power amplifier place eventually
The flying power of end.
The embodiment of the present invention provides another kind to adjust the device of power amplifier voltage, as it is shown in figure 5, include:
Identification module 501, is identified for being currently located the frequency of working channel by readout power amplifier
Working channel；
Acquisition module 502, including arranging unit 502A and transferring unit 502B；
Unit 502A is set, for arrange running voltage offset corresponding to the working channel of different frequency and
Bias voltage offset；
Transfer unit 502B, for the working channel that identified according to identification module 501 from arranging unit 502A
In transfer running voltage offset corresponding to current operating channel and bias voltage offset, and will be transferred
Running voltage offset and bias voltage offset are sent to adjusting module 503；
Adjusting module 503, for according to transferring running voltage offset and the biased electrical that unit 502B is transferred
Pressure offset adjusts the current running voltage of power amplifier and bias voltage respectively.
It should be noted that adjusting module 503 compensates according to the running voltage offset received and bias voltage
Value increases or reduces the current running voltage of power amplifier and bias voltage respectively；
Adjusting module 503 can be the device that dc-dc etc. has voltage-regulation function, adjusting module
503 can be connected with the colelctor electrode of power amplifier with one end, and one end connects with the biased electrical pressure side of power amplifier
Connect.
Therefore, it is provided with and all kinds of works according to the difference of working channel frequency owing to arranging unit 502A
The running voltage offset adapted as channel and bias voltage offset, therefore identify when identification module 501
After going out the working channel being currently located, transfer module 502B and just unit 502A can transfer and institute from arranging
Running voltage offset that the working channel that identifies is corresponding and bias voltage offset, thus adjusting module
503 adjust running voltage and the bias voltage of operable amplifier accordingly according to the output transferring module 502B,
Make power amplifier obtain the running voltage and bias voltage being suitable for current operating channel, thus power is put
Big device efficiency on this working channel is improved, and improves the mobile communication at power amplifier place
The flying power of terminal.
The embodiment of the present invention also provides for a kind of system adjusting power amplifier voltage, including:
Adjusting apparatus, for identifying the working channel that power amplifier is currently located, according to the work identified
Channel and preset corresponding relation obtain running voltage offset corresponding to current operating channel and biased electrical
Pressure offset, wherein, described preset corresponding relation is working channel and running voltage offset and biased electrical
Corresponding relation between pressure offset, according to the running voltage offset obtained and bias voltage offset difference
Adjust the current running voltage of power amplifier and bias voltage；
Power amplifier, is connected with described adjusting apparatus, for the work after adjusting through described adjusting apparatus
Work under voltage and bias voltage.
Therefore, the adjusting apparatus in the system that the embodiment of the present invention provides can be according to power amplifier place
Working channel adjust accordingly adapt with this working channel running voltage offset and bias voltage mend
Repay value, and it is current to adjust power amplifier according to the running voltage offset obtained and bias voltage offset
Running voltage and bias voltage so that running voltage and the bias voltage of power amplifier are more suitable for currently
The working channel at place, thus improve the power amplifier work efficiency at current operating channel, and improve merit
The flying power of the communication terminal at rate amplifier place.
The embodiment of the present invention also provides for the another kind of system adjusting power amplifier voltage, as shown in Figure 6, bag
Include:
Adjusting apparatus 601, for identifying the working channel that power amplifier 602 is currently located, according to being identified
Working channel and preset corresponding relation obtain running voltage offset corresponding to current operating channel and
Bias voltage offset, wherein, described preset corresponding relation be working channel with running voltage offset and
Corresponding relation between bias voltage offset, compensates according to the running voltage offset obtained and bias voltage
Value adjusts the current running voltage of power amplifier 602 and bias voltage respectively；
Power amplifier 602, is connected with adjusting apparatus 601, for after adjusting through described adjusting apparatus 601
Running voltage and bias voltage under work.
The collector terminal of power amplifier 602 is connected with adjusting apparatus 601 respectively with biased electrical pressure side.
Therefore, the running voltage being suitable for current operating channel by acquisition due to adjusting apparatus 601 is mended
Repay value and bias voltage offset to adjust running voltage and the bias voltage of power amplifier 602, so that
The running voltage of power amplifier 602 and bias voltage are more suitable for current working channel, thus power
Amplifier 602 is improved in the work efficiency of current operating channel, and the movement at power amplifier 602 place is led to
News terminal flying power also be improved significantly.
The embodiment of the present invention also provides for the another kind of system adjusting power amplifier voltage, as it is shown in fig. 7, bag
Include:
Identification module 701, for identifying work by the frequency of readout power amplifier 704 place working channel
Make channel；
Acquisition module 702, for arranging running voltage offset corresponding to the working channel of different frequency with inclined
Put voltage compensation value, and the working channel identified according to identification module 701 is by corresponding for this working channel
Running voltage offset and bias voltage offset are sent to adjusting module 703；
Adjusting module 703, for adjusting according to the running voltage offset received and bias voltage offset
V1 end exports the running voltage to power amplifier 704 and V2 end exports to the biased electrical of power amplifier 704
Pressure.
Power amplifier 704, the V1 end phase of collector terminal VCC of power amplifier 704 and adjusting module 703
Connecting, biased electrical pressure side Vbias of power amplifier 704 is connected with the V2 end of adjusting module 703.
Adjusting module 703 can be the device that dc-dc etc. has voltage control function.
Therefore, acquisition module 702 is by running voltage offset corresponding for current operating channel and biased electrical
After pressure offset is sent to adjusting module 703, adjusting module 703 correspondingly adjusts output to power amplifier
The running voltage of 704 and bias voltage so that running voltage and the bias voltage of power amplifier 704 are more suitable for
In current working channel, improve the power amplifier 704 work efficiency at current operating channel, and
Improve the flying power of the communication terminal at power amplifier 704 place.
It should be noted that for aforesaid each method embodiment, in order to be briefly described, therefore it is all stated
For a series of combination of actions, but those skilled in the art should know, the present invention is not by described
The restriction of sequence of movement because according to the present invention, some step can use other orders or with
Shi Jinhang.Secondly, those skilled in the art also should know, embodiment described in this description is equal
Belong to preferred embodiment, necessary to involved action and the module not necessarily present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not has in certain embodiment
The part being described in detail, may refer to the associated description of other embodiments.
Above the embodiment of the present invention is provided a kind of improve operating efficiency of power amplifier method,
Apparatus and system is described in detail, and specific case used herein is to the principle of the present invention and reality
The mode of executing is set forth, the explanation of above example be only intended to help to understand the method for the present invention and
Its core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention,
All will change in detailed description of the invention and range of application, to sum up, this specification content should not be managed
Solve as limitation of the present invention.
Claims (10)
1. the method adjusting power amplifier voltage, it is characterised in that including:
Identify the working channel that power amplifier is currently located；
The work that current operating channel is corresponding is obtained according to the working channel identified and preset corresponding relation
Making voltage compensation value and bias voltage offset, wherein, described preset corresponding relation is working channel and work
Make the corresponding pass between the corresponding relation between voltage compensation value, and working channel with bias voltage offset
System；
Power amplifier is adjusted respectively current according to the running voltage offset obtained and bias voltage offset
Running voltage and bias voltage, during to make described power amplifier work on different operating channel use not
Same running voltage and bias voltage.
Method the most according to claim 1, it is characterised in that described working channel and running voltage
Corresponding relation between offset is preset in the middle of the first tables of data, and described working channel is mended with bias voltage
Repay the corresponding relation between value to be preset in the middle of the second tables of data.
Method the most according to claim 1, it is characterised in that described working channel and running voltage
Corresponding relation between corresponding relation between offset, and working channel and bias voltage offset is preset
In the middle of the 3rd tables of data.
The most according to the method in claim 2 or 3, it is characterised in that described identification power amplifier
The working channel that is currently located is specifically, the frequency of working channel that is currently located of readout power amplifier；
Corresponding relation between described working channel and running voltage offset, and working channel and biasing
Corresponding relation between voltage compensation value is specifically, the working channel of different frequency has the running voltage of its correspondence
Offset and bias voltage offset.
5. the device adjusting power amplifier voltage, it is characterised in that this device includes:
Identification module, for identifying the working channel that power amplifier is currently located；
Acquisition module, for the working channel identified according to described identification module and preset corresponding relation
Obtain running voltage offset corresponding to current operating channel and bias voltage offset, wherein said preset
Corresponding relation is the corresponding relation between working channel and running voltage offset, and working channel and biasing
Corresponding relation between voltage compensation value；
Adjusting module, for mending according to the running voltage offset acquired in described acquisition module and bias voltage
Repay value and adjust the current running voltage of power amplifier and bias voltage respectively, to make described power amplifier exist
Different running voltages and bias voltage is used when working on different operating channel.
Device the most according to claim 5, it is characterised in that
The frequency that described identification module is currently located working channel by readout power amplifier identifies work
Channel；
Described acquisition module specifically includes and arranges unit and transfer unit,
Described unit is set, for arranging running voltage offset corresponding to the working channel of different frequency and partially
Put voltage compensation value；
Described transfer unit, for the working channel identified according to described identification module, unit is set from described
In transfer running voltage offset corresponding to described working channel and bias voltage offset, and will be transferred
Running voltage offset and bias voltage offset are sent to adjusting module.
Device the most according to claim 6, it is characterised in that described adjusting module is the adjustable dress of voltage
Put.
8. the system adjusting power amplifier voltage, it is characterised in that this system includes:
Adjusting apparatus, for identifying the working channel that power amplifier is currently located, according to the work identified
Channel and preset corresponding relation obtain running voltage offset corresponding to current operating channel and biased electrical
Pressure offset, wherein, described preset corresponding relation is right between working channel and running voltage offset
Should be related to, and the corresponding relation between working channel and bias voltage offset, according to the work electricity obtained
Pressure offset and bias voltage offset adjust the current running voltage of power amplifier and bias voltage respectively；
Power amplifier, is connected with described adjusting apparatus, for the work after adjusting through described adjusting apparatus
Work under voltage and bias voltage.
System the most according to claim 8, it is characterised in that
The frequency of the working channel that described adjusting apparatus is currently located by readout power amplifier identifies to be worked as
Front working channel；
Corresponding relation between described working channel and running voltage offset, and working channel and biasing
Corresponding relation between voltage compensation value is specifically, the working channel of different frequency has the running voltage of its correspondence
Offset and bias voltage offset.
System the most according to claim 9, it is characterised in that described adjusting apparatus includes voltage
Tunable arrangement.
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| CN201210225249.3A CN103532495B (en) | 2012-07-02 | 2012-07-02 | A kind of adjust the method for power amplifier voltage, Apparatus and system |
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| CN201210225249.3A CN103532495B (en) | 2012-07-02 | 2012-07-02 | A kind of adjust the method for power amplifier voltage, Apparatus and system |
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| CN103532495B true CN103532495B (en) | 2016-12-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106255186A (en) * | 2016-08-18 | 2016-12-21 | 青岛海信移动通信技术股份有限公司 | The method of adjustment of a kind of power and communication terminal |
| CN106569539B (en) * | 2016-10-31 | 2018-04-17 | 努比亚技术有限公司 | A kind of method and device, the terminal of bias voltage compensation |
| CN108649907A (en) * | 2018-05-15 | 2018-10-12 | Oppo广东移动通信有限公司 | Radio-frequency power amplifier method for controlling power supply, device, terminal device and medium |
| CN112180147B (en) * | 2020-09-25 | 2022-12-23 | 加特兰微电子科技(上海)有限公司 | Power amplifier output impedance abnormity detection method, detection device and related device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282139A (en) * | 1999-07-22 | 2001-01-31 | 摩托罗拉公司 | Amplifier load regulating system based on memory |
| CN1832360A (en) * | 2005-03-11 | 2006-09-13 | Lg电子株式会社 | Mobile communications terminal having driving voltage control apparatus and method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8126164B2 (en) * | 2006-11-29 | 2012-02-28 | Texas Instruments Incorporated | Digital compensation of analog volume control gain in a digital audio amplifier |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282139A (en) * | 1999-07-22 | 2001-01-31 | 摩托罗拉公司 | Amplifier load regulating system based on memory |
| CN1832360A (en) * | 2005-03-11 | 2006-09-13 | Lg电子株式会社 | Mobile communications terminal having driving voltage control apparatus and method thereof |
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Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Huawei Device Co., Ltd. Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: HUAWEI terminal (Dongguan) Co., Ltd. |