CN109067365A - Power amplifying system with variable supply voltage - Google Patents
Power amplifying system with variable supply voltage Download PDFInfo
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- CN109067365A CN109067365A CN201810914490.4A CN201810914490A CN109067365A CN 109067365 A CN109067365 A CN 109067365A CN 201810914490 A CN201810914490 A CN 201810914490A CN 109067365 A CN109067365 A CN 109067365A
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Abstract
Power amplifying system with variable supply voltage.A kind of power amplifying system may include power amplifier and boost converter, and the boost converter is configured as providing supply voltage to the power amplifier.The power amplifying system may include control system, be configured as providing boost converter control signal to the boost converter, to adjust the supply voltage based on parameter associated with the power amplifier.
Description
The application is the invention of entitled " power amplifying system with variable supply voltage " submitted on September 30th, 2015
The divisional application of patent application 201510640787.2.
Cross reference to related applications
This application claims on 2 15th, 2015 " PROGRAMMABLE POWER AMPLIFIER submitting, entitled
The U.S. of PERFORMANCE USING BOOSTED SUPPLY (using the programmable power amplifier performance of boosting power supply) " faces
When the 62/116th, No. 459 priority of application, the disclosure of which is clearly all incorporated herein by reference hereby.
Technical field
Present application relates generally to power amplifying systems.
Background technique
Power amplifying system can be powered by the power voltage supply system for providing supply voltage.Supply voltage can come
Derived from the cell voltage provided to power voltage supply system, and it is different.It is desirable that power amplifier supply voltage should be
Such as average output power is tracked on the 20dB window of 1V from substantially 10 volts (V).In the nominal battery of given approximation 3.8V
In the case where voltage (Vbatt), boost function can use to generate the supply voltage greater than Vbatt, and can use drop
Function is pressed to generate the supply voltage less than Vbatt.
Summary of the invention
According to some embodiments, this application involves a kind of power amplifying systems.The power amplifying system includes power
Amplifier and boost converter, the boost converter are configured as providing supply voltage to the power amplifier.The function
Rate amplification system includes control system, is configured as providing boost converter control signal to the boost converter, to be based on
Associated with power amplifier parameter adjusts the supply voltage.
In some embodiments, the parameter may include the sensing situation of the power amplifier.In some embodiments
In, the control system can be configured as the sensing situation for detecting the power amplifier.In some embodiments, the control
System processed can be configured as the signal for receiving the sensing situation for indicating the power amplifier.In some embodiments, described
Control system can be configured as the signal of the sensing situation based on the power amplifier of reception.
In some embodiments, the boost converter control signal may include reference voltage, residual quantity signal or enabled
At least one of signal.In some embodiments, in response to increased reference voltage, the boost converter can be configured
To adjust the supply voltage by increasing the supply voltage.In some embodiments, increasing the supply voltage can be with
The additional headroom for being used for the power amplifier is provided.In some embodiments, in response to the residual quantity signal, the boosting turns
Parallel operation can be configured as by the way that the supply voltage is increased by a predetermined amount and adjust the supply voltage.
In some embodiments, the control system can be additionally configured to provide power amplification to the power amplifier
Device controls signal.In some embodiments, the power amplifier control signal may include in bias voltage or enable signal
At least one.
In some embodiments, the parameter may include the operation mode of the power amplifier, and can be to institute
It states boost converter and the boost converter control signal is provided, to support the operation mode.In some embodiments, described
Operation mode may include increasing linearity mode.In some embodiments, the increase linearity mode can be high pressing mold
At least one of formula or high-output power mode.
In some embodiments, the boost converter can be powered by cell voltage, and the supply voltage
The cell voltage can be greater than.
In some embodiments, it this application involves a kind of radio frequency (RF) module, including package substrate, is configured as accommodating
Multiple components.The RF module includes power amplifying system, is realized in the package substrate.The power amplifying system includes
Power amplifier and boost converter, the boost converter are configured as providing supply voltage to the power amplifier.Institute
Stating power amplifying system further includes control system, is configured as providing boost converter control signal to the boost converter,
To adjust the supply voltage based on parameter associated with the power amplifier.
In some embodiments, the RF module can be front-end module (FEM).
In some embodiments, this application involves a kind of wireless devices, comprising: transceiver is configurable to generate radio frequency
(RF) signal.The wireless device includes front-end module (FEM), is communicated with the transceiver.The FEM includes encapsulation lining
Bottom is configured as accommodating multiple components.The FEM model includes power amplifying system, is realized in the package substrate.It is described
Power amplifying system includes power amplifier, and the power amplifier is configured as amplifying the RF signal.The power amplification
System further includes boost converter, and the boost converter is configured as providing supply voltage to the power amplifier.It is described
Power amplifying system further includes control system, and the control system is configured as providing boost converter to the boost converter
Signal is controlled, to adjust the supply voltage based on parameter associated with the power amplifier.The wireless device packet
Antenna is included, is communicated with the FEM.The antenna is configured as emitting amplified RF signal.
In some embodiments, the control system can be configured as the sensing situation for detecting the power amplifier,
And the boost converter control signal is generated based on the sensing situation.
In some embodiments, the transceiver can be configured as the sensing situation for receiving and indicating the power amplifier
Signal, and to the control system send the Transceiver control signals based on the sensing situation.The control system can
To be configured as generating the boost converter control signal based on the Transceiver control signals.
For the purpose for summarizing the disclosure, certain aspects of the invention, advantage and novel feature has been described herein.
It should be appreciated that any specific embodiment according to the present invention, be not necessarily intended to realize all these advantages.Therefore, it is possible to according to reality
The present invention is practiced or carried out such as the mode of the advantage or one group of advantage instructed herein in existing or optimization, without realizing
Such as the further advantage that can be instructed or suggest herein.
Detailed description of the invention
Fig. 1 shows example wireless system or structure (architecture).
Fig. 2 shows in some embodiments, amplification system may include with one or more power amplifications
Radio frequency (RF) amplifier block (assembly) of device.
Fig. 3 A-3E shows the non-limiting example of power amplifier.
Fig. 4 illustrates the block diagram of the power amplifying system including boost converter.
Fig. 5 shows how the boost output voltage from SMPS boost converter directly proportional to reference voltage can show
Example.
Fig. 6 shows how that current collection is removed or significantly loosened using the variable supply voltage from boost converter
The example of pole supply voltage limitation.
Fig. 7, which is shown, may be implemented as operation boost converter to realize the expected result for corresponding to power amplifier
Processing.
Fig. 8 shows the place that may be implemented as making the power amplifier situation of sensing (effectuate) response
Reason.
Fig. 9 shows the more specific exemplary processing for the processing that can be implemented as Fig. 7.
Figure 10 shows the more specific of the processing that can be implemented as Fig. 9 in the example context that the linearity controls
Exemplary processing.
Figure 11 depicts the module with one or more features as described herein.
Figure 12 depicts the wireless device with one or more features as described herein.
Specific embodiment
If any, for the sake of the title provided herein is just to convenience, without claimed invention should be influenced
Range or meaning.
With reference to Fig. 1, the one or more features of the application are generally related to the wireless system or knot with amplification system 52
Structure 50.In some embodiments, amplification system 52 can be embodied as to one or more devices, and this device can be used in
In wireless system/structure 50.In some embodiments, such as wireless system/structure 50 can be realized in portable mobile wireless dress
In setting.The example of this wireless device is described herein.
Fig. 2 shows the amplification systems 52 of Fig. 1 to typically comprise radio frequency (RF) amplifier block 54, has one or more
A power amplifier (PA).In the figure 2 example, three PA 60a-60c are portrayed as to form RF amplifier block 54.It will reason
Solution, also may be implemented the PA of other numbers.It will also be understood that can also be in the RF amplifier group with other types of RF amplifier
The one or more features of the application are realized in part.
In some embodiments, RF amplifier block 54 can be realized in one or more semiconductor die on pieces, and can
To include in the package module of such as power amplifier module (PAM) or front-end module (FEM) etc by this chip.It is this
Package module is typically mounted on circuit board for example associated with portable wireless device.
Typically, biasing is applied to each PA (for example, 60a-60c) in amplification system 52 by bias system 56
(bias).In addition, typically providing the supply voltage for each PA by power supply system 58.In some embodiments, biasing system
System any of 56 and power supply system 58 or both may include in the aforementioned encapsulation module with RF amplifier block 54.
In some embodiments, amplification system 52 may include matching network 62.This matching network can be configured as
Input matching and/or output matching feature are provided to RF amplifier block 54.
For purposes of illustration, it will be appreciated that can realize each PA (60) of Fig. 2 in many ways.Fig. 3 A-3E is shown
How the non-limiting example of this PA can be configured.Fig. 3 A shows the example PA with amplifying transistor 64, wherein to
The base stage of transistor 64 provides the RF signal (RF_in) of input, and is exported by the collector of transistor 64 amplified
RF signal (RF_out).
Fig. 3 B shows the example PA with multiple amplifying transistors (for example, 64a, 64b) in middle arrangements at different levels.Input
RF signal (RF_in) provide arrive the first transistor 64a base stage, and from the first transistor 64a amplified RF letter
It number is exported by its collector.Amplified RF signal from the first transistor 64a provides the base to second transistor 64b
Pole, and the amplified RF signal from second transistor 64b is exported by its collector, thus to generate the output of PA
RF signal (RF_out).
In some embodiments, the aforementioned exemplary PA of Fig. 3 B can be configured and is portrayed as two-stage or more, such as Fig. 3 C institute
Show.First order 64a can for example be configured as driving stage；And second level 64b can for example be configured as output stage.
Fig. 3 D is shown in some embodiments, and PA can be configured as Doherty (Doherty) PA.This Doherty PA
It may include amplifying transistor 64a, 64b, be configured to supply the carrier wave amplification and peak value amplification of input rf signal (RF_in),
To generate amplified output RF signal (RF_out).Input rf signal can be separated into carrier wave portion by separator (splitter)
Point and peak fractions.Combiner (combiner) can export RF signal with the carrier wave and peak signal after combined amplifier to generate.
Fig. 3 E is shown in some embodiments, can be configured with cascode (cascode or cascade) to realize
PA.Input rf signal (RF_in) can be provided for the first amplifying transistor 64a of common emitter device to operation.First amplification
The output of transistor 64a can be provided by its collector and provide the second amplification crystal that operation is common base device
The emitter of pipe 64b.The output of second amplifying transistor 64b can be provided by its collector, to generate the amplification of PA
Output RF signal (RF_out) afterwards.
In each example of Fig. 3 A-3E, by amplifying transistor be described as such as Heterojunction Bipolar Transistors (HBT) it
The bipolar junction transistor (BJT) of class.It will be understood that can also with or it is other using such as field effect transistor (FET) etc
The transistor of type realizes the one or more features of the application.
Fig. 4 illustrates the block diagram of the power amplifying system 100 including boost converter 122.In some embodiments, this
Power amplifying system may include high pressure (HV) amplifying power.Power amplifying system includes power amplifier 130 and is configured as
The power supply system 120 of supply voltage is provided to the power amplifier 130.Power amplifier 130 is configured as receiving penetrating for input
Frequency signal, and export the input radio frequency signal of amplified version, the radiofrequency signal as output.Power supply system 120 is configured as
It receives cell voltage (Vbatt) and exports supply voltage (Vcc), to power to power amplifier 130.For example, power supply system
120 may include switched-mode power supply (SMPS).Power supply system 120 includes boost converter 122, can be used for generation and is greater than
The supply voltage of (or being equal to) cell voltage.In some embodiments, power supply system 120 further includes other components, can example
Such as generating the supply voltage less than cell voltage.
Power supply system 120 and power amplifier 130 are by including control of power supply system component 112 and power amplifier control portion
The control system 110 of part 114 is controlled.Control system 110 (for example, control of power supply system component 112) is configured as to confession
Electric system provides control of power supply system signal, to adjust supply voltage based on parameter associated with power amplifier 130.Tool
Body, control system 110 is configured as providing boost converter control signal to boost converter 122, to be based on putting with power
The big associated parameter of device 130 adjusts supply voltage.
Boost converter control signal can be reference voltage, residual quantity (delta) signal, enable signal or any other
Digital or analog signal.For example, boost converter control signal can be reference voltage.In response to increased reference voltage, rise
Pressure converter 122 can be configured as by increasing supply voltage and adjust supply voltage.Increasing supply voltage can be to power
Amplifier 130 provides additional headroom (headroom).Similarly, in response to reduced reference voltage, boost converter 122 can
To be configured as adjusting supply voltage by reducing supply voltage.Power amplifier 130 can be improved by reducing supply voltage
Power added efficiency (PAE).
As another example, boost converter control signal can be residual quantity signal.In response to residual quantity signal, boost conversion
Device 122 can be configured as by the way that supply voltage is increased by a predetermined amount and adjust supply voltage.
In some embodiments, parameter associated with power amplifier 130 includes the sensing shape of power amplifier 130
Condition.In some embodiments, power amplifier control component 114 (and thus, control system 110) is configured as detection power
The sensing situation of amplifier.In some embodiments, control system 110 is configured as receiving indicated horsepower amplifier 130
The signal of sensing situation.For example, control of power supply system component 112 can receive indicated work from power amplifier control component 114
The signal of rate amplifier sensing situation.As another example, control system 110 can be from transceiver indicated horsepower amplifier
The signal of sensing situation.In some embodiments, control system 110 is configured as receiving the sense based on power amplifier 130
The signal of survey situation.
For example, the sensing situation of power amplifier can be the saturation situation of power amplifier 130.Power amplifier 130
(or one or more transistors of power amplifier 130) may be saturated, this reduces the linearity of power amplifier.
In some embodiments, parameter associated with power amplifier 130 includes the operation mould of power amplifier 130
Formula, and provide boost converter to boost converter 122 and control signal, to support the operation mode.For example, operation mode can
To be to increase linearity mode.Increasing linearity mode can be high pressure mode or high-output power mode.
Control system 110 (for example, power amplifier control component 114) is configured as providing function to power amplifier 130
Rate amplifier controls signal.Power amplifier control signal can be for (or the power amplifier 130 of power amplifier 130
One or more transistors) apply biasing offset signal (for example, bias voltage or bias current), enable signal or appoint
What other digital or analog signal.
Have the ability to input voltage (for example, by battery provide cell voltage) boost (power of such as Fig. 4 is put
Big system 100 etc) how power amplifying system can be can provide flexibility in terms of the power supply using this boosting.?
In some embodiments, the supply voltage of this boosting can depend on the control input of such as reference voltage (Vref) etc and become
Change.Correspondingly, this variation characteristic of boosting supply voltage can be utilized in many ways, and the various ways include that can compile
The embodiment of journey supply voltage.
Fig. 5 show the boost output voltage Vout from SMPS boost converter can how with reference voltage Vref at
The example of direct ratio.As can be seen that there are the utilizable Vout of wide scope (for example, in shown example, from battery electricity
Press Vbatt at least 11V).For example, there may be wide scope to power amplifier (for example, the transistor of power amplifier
Collector) provide supply voltage Vcc.
Additional example description relevant to variation Vout is generated is submitting, entitled on 2 15th, 2015
" DEVICES AND METHODS RELATED TO MULTI-MODE POWER MANAGEMENT is (with multiple mode power management
Relevant Apparatus and method for) " U.S. Provisional Application No. 62/116,458 in, hereby by quote the disclosure of which is bright
Really all it is incorporated herein.
In above-cited application, example Vout including boost mode part distribution (profile) can be by need not
It is related to the control system of (for example, from transceiver) control outside power amplifying system to obtain.However, herein for
The purpose of description, it will be appreciated that external control features may or may not be related to by controlling variable boosting output Vout.
About the foregoing methods of the supply voltage for providing wide scope from boost converter, this ability can use
Obtaining beneficial power amplifier properties improves.The linearity is the example of this power amplifier properties.Although online herein
Various examples are described in the context of property degree, it will be understood that, it is other to adjust to can use the variable characteristic of supply voltage
The relevant performance of power amplifier.
It should be noted that power amplifier non-linearity is often subject to the available horizontal powered by collector/drain voltage institute really
The limitation of fixed amplitude modulation compression.This amplitude modulation, which is compressed, may influence other parameters, needed for such as radio consistency
With interior Error Vector Magnitude (EVM) and spectral re-growth adjacent channel leakage ratio (ACLR) linearity performance, and possibly even
Receiver sensitivity is influenced, if duplexing gap (duplex gap) is sufficiently small.
Fig. 6 shows how to remove using the variable supply voltage from boost converter 102 or significantly loosen
The example of aforementioned collector supply voltage limitation.It is shown as this boost converter to generate supply voltage Vcc and be put to power
Big device provides, thus to allow to carry out operation power amplifier with the improved linearity.
For example, nominal preferred value Vcc can be provided to power amplifier using boost converter 102nom, given with realizing
The fixed linearity is horizontal.However, higher confession is arranged when (for example, with big envelope (110) amplitude) meets the additional linearity
Piezoelectric voltage level provides bigger headroom, and thus provides the better linearity.This increase in headroom may cause
The deterioration of DC consumption and efficiency performance；However, this sacrifice is only being related to the behaviour of higher emission level and linearity performance
Make to undergo in situation.
In the example of fig. 6, increased headroom above-mentioned can by by Vcc from nominal value VccnomIncrease by an amount Δ V
To generate increased supply voltage Vccnom+ Δ V is realized.It can choose incrementss Δ V, to adapt to such as by example envelope 110
Discribed high emission is horizontal.In some embodiments, it can be relevant to and VccnomIt is related to the two to any of Δ V
The value of connection generates the relevant operation of Vcc to boost converter to program.
The aforementioned exemplary that Vcc can be increased by the programming operation of boost converter is more general concept, wherein
The output of boost converter can be adjusted based on the relevant parameter of some power amplifiers.
Fig. 7, which is shown, may be implemented as operating this boost converter to realize the expectation for corresponding to power amplifier
As a result processing 200.In block 202, the input for representing power amplifier parameter can receive.In block 204, can be based on should
It inputs to generate the order of the output for changing boost converter.In block 206, the signal for representing the order can be transmitted
To boost converter, to adjust its output.
In some embodiments, aforementioned processing may be implemented, to allow boost converter in response to the power of some sensings
Amplifier situation.Fig. 8 shows the processing 210 that may be implemented as making this response.In block 212, power can detecte
Amplifier situation.In block 214, the life of the output for changing boost converter can be generated in response to situation detected
It enables.In block 216, the signal for representing the order can be passed into boost converter, to adjust its output.
Other than other examples, with boost converter for the aforementioned response phase of the power amplifier situation of some sensings
The example of pass is described in " COMPRESSION CONTROL THROUGH submitting, entitled on December 30th, 2014
The U.S. of POWER AMPLIFIER VOLTAGE ADJUSTMENT (compression control adjusted by power amplifier voltage) " faces
When application the 62/097th, 941 in, the disclosure of which is clearly all incorporated herein by reference hereby.
Fig. 9 shows the more specific exemplary processing 220 for the processing 200 that can be implemented as Fig. 7.At the place of Fig. 9
In reason 220, the operation of boost converter need not automatically respond to certain inputs.But for example, by the output of boost converter
On change be embodied as programming change.In Decision Block 222, processing 220 may determine whether that desired pattern changes.If
It is then to handle 220 orders for generating the output for changing boost converter in block 224 to support mode to change.In block 226
In, the signal for representing the order can be passed into boost converter, to adjust its output.
Figure 10 is shown in the example context that the linearity controls can be implemented as the processing 220 of Fig. 9 more
The processing 230 of specific example.In Decision Block 232, processing 230 may determine whether expectation linearity performance change.If so,
Then processing 230 generates the output for changing boost converter in block 234 to change the additional head room Δ V of supply voltage Vcc
Amount order.In block 236, the reference voltage for boost converter can be generated based on the order.In block 238,
Reference voltage can be supplied to boost converter, to adjust its output.
In some embodiments, it can be executed and/or be facilitated with reference to Fig. 7-by control system (for example, in Fig. 4 110)
Example process described in 10 it is some or all of.
Figure 11 is illustrated in some embodiments, the relevant function of the boost converter that can be will be described herein it is some
Or all realizations are in a module.This module for example can be front-end module (FEM).In the example of fig. 11, module 300 can
To include package substrate 302, and multiple components may be mounted in this package substrate.For example, front-end power management is integrated
Circuit (FE-PMIC) component 304, power amplifier component 306, matching block 308 and duplexing device assembly 310 can install and/
Or it realizes in package substrate 302 and/or in the package substrate 302.Such as multiple 314 Hes of surface mounting technique (SMT) device
Other components of antenna switch module (ASM) 312 etc also may be mounted in package substrate 302.Can will have such as at this
In the control system 104 of one or more features that describes be embodied as in FE-PMIC component 304 and power amplifier component 306
Either one or two of or both a part.It is deployed in package substrate 302 although all parts are all portrayed as, it will
Understand, can realize other components on some of the components.
In some embodiments, the device with one or more features described here and/or circuit can wrap
It includes in the RF device of such as wireless device etc.Can directly wireless device, modular form as described herein or
This device and/or circuit are realized in some combinations.In some embodiments, this wireless device for example may include honeycomb
Phone, smart phone, with and without wireless handheld device, wireless flat computer of telephony feature etc..
Figure 12 depicts the example wireless device 400 with one or more favorable characteristics described here.Have
In the context of the module of one or more features as described herein, it can generally describe this with by dashed box 300
Kind module, and can for example be embodied as this module front-end module (FEM).This module may include having as herein
The control system 104 of the one or more features of description.
With reference to Figure 12, power amplifier (PA) 420 can receive their corresponding RF signals, the transmitting-receiving from transceiver 410
Machine 410 can configuration and operation be in known manner to generate the RF signal that amplify and emit, and it is received to handle institute
Signal.Transceiver 410 is shown as interacting with baseband subsystems 408, which, which is configured to supply, is suitable for
The data and/or voice signal of user and suitable for the conversion between the RF signal of transceiver 410.Transceiver 410 can also and function
Rate management component 406 is communicated, which is configured as managing the power for operating wireless device 400.
This power management can also control the operation of baseband subsystems 408 and module 300.
Baseband subsystems 408 are shown as to be connected to user interface 402, with facilitate provide a user and from user it is received
Speech and/or the various of data output and input.Baseband subsystems 408 may be also connected to memory 404, the memory 404
It is configured as storing for the data for facilitating the operation of wireless device and/or instruction, and/or provides a user the storage of information.
In example wireless device 400, the output of each PA 420 is shown as carrying out (via corresponding match circuit 422)
Matching, and it is routed to their corresponding duplexers 420.Can by duplexer 414 by it is this amplification and filtered letter
Number it is routed to antenna 416, for emitting.In some embodiments, duplexer 420 can permit using community antenna (for example,
416) it is operated simultaneously to execute transmitting and receive.In Figure 12, received signal, which is illustrated route to, for example be can wrap
Include " receiving (Rx) " path (not shown) of low-noise amplifier (LNA).
A number of other wireless device configurations can use described one or more features herein.For example, without traditional thread binding
It sets and needs not be multi-band device.In another example, wireless device may include such as diversity antenna etc additional antenna and
The additional connection features of such as Wi-Fi, bluetooth and GPS etc.
This application describes various features, none of which feature is solely responsible for benefit described here.It will be understood that
As of ordinary skill in the art will be apparent, various features described here can be combined, modify or
It omits.Other combinations and sub-portfolio other than those of specifically describing content herein are for those of ordinary skill in the art
It will be apparent, and be intended to be formed a part of the application.The step of here in connection with each flow chart and/or stage description
Various methods.It will be understood that in many cases, certain steps and/or stage can be grouped together, allow to by
It is single step and/or stage that multiple steps shown in flow chart and/or stage, which execute,.It is also possible to by certain steps and/
Or stage resolutions be to be individually performed add sub- component part (sub-component).In some instances, it can arrange again
The sequence in the step and/or stage is arranged, and can be completely omitted certain steps and/or stage.Equally, described here
Method will be understood to open, so that can also execute for the additional step of content those of is illustrated and described herein
And/or the stage.
It can be advantageous to for example using any of computer software, hardware, firmware or computer software, hardware and firmware
Combine the various aspects to realize system and method described here.Computer software may include being stored in computer-readable Jie
Computer-executable code in matter (for example, non-transitory computer-readable medium) executes be described herein at runtime
Function.In some embodiments, computer-executable code is executed by one or more general-purpose computer processors.According to
The application, skilled artisans will appreciate that, any spy that the software to run on a general-purpose computer can be used to realize
The various combination of hardware, software or firmware can be used also to realize in sign or function.For example, such module can be used it is integrated
The combination of circuit is realized completely with hardware.Alternately or additionally, it except except through general purpose computer, also can be used
It is designed as executing the special purpose computer of specific function described here completely or partially to realize such feature or function.
Multiple distributed computing devices can replace any one computing device described here.This distributed
In embodiment, the function of a computing device is distributed by (for example, passing through network), so that holding on each distributed computing devices
The some functions of row.
It can be illustrated with reference to equation, algorithm, and/or flow chart to describe some embodiments.It can be used and may operate at one
Computer program instructions on a or multiple computers realize these methods.These methods can also be individually embodied as counting
Calculation machine program product, or it is embodied as the component of equipment or system.In this regard, can be patrolled by being included in computer readable program code
Hardware, firmware and/or the software of the middle one or more computer program instructions implemented are collected to realize each equation, algorithm, block
Or the step of flow chart, and combinations thereof.As will be appreciated, any such computer program instructions can be loaded into including but not
It is limited to one or more computers of general purpose computer or special purpose computer or other programmable processing for manufacture machine is set
It is standby upper, so that the computer program instructions realization operated in (each) computer or (each) other programmable processing units is waiting
Each function of being specified in formula, algorithm, and/or flow chart.It will also be understood that in each equation, algorithm, and/or flow chart diagram
Block, and combinations thereof can by execute specified function or step by the computer system of specialized hardware or specialized hardware and based on
The combinations of calculation machine readable program code logic means (means) is realized.
It is being counted in addition, the computer program instructions such as implemented in computer readable program code logic also can store
In calculation machine readable memory (for example, non-transitory computer-readable medium), can instruct one or more computers or its
Its programmable processing unit works in particular manner, so that the instruction being stored in computer-readable memory is realized
The function of being specified in (each) block of (each) flow chart.The computer program instructions can also be loaded into one or more calculating
On machine or other programmable computing devices, so that executing one on one or more computers or other programmable computing devices
The operating procedure of series, so that computer implemented processing is generated, so that in the computer or other programmable processing equipments
The instruction of upper operation is provided for realizing the function specified in (each) equation, (each) algorithm, and/or (each) block of (each) flow chart
The step of energy.
Some or all of in each method and task described here can be executed by computer system and completely from
Dynamicization.In some cases, computer system may include multiple and different computer or computing device (for example, physical services
Device, work station, storage array etc.), communication and interactive operation are carried out by network to execute described function.It is each this
Kind computing device typically comprises processor (or multiple processors), and executing can in memory or other non-transitory computers
Read the program instruction stored in storage medium or device or module.Although some or all of disclosed function can replace
Ground is realized in the special circuit (for example, ASIC or FPGA) of computer system, but various functions disclosed herein can be with
Implemented with this program instruction.In the case where computer system includes multiple computing devices, these devices can with but need not
It is (co-located) to cooperate together.It can be by by the physical store of such as solid state memory chip and/or disk etc
Device is transformed into different conditions the result for permanently storing disclosed method and task.
Unless context clearly requires otherwise, otherwise run through specification and claims, according to exclusiveness or
Exhaustive adversative inclusive meaning, that is to say, that term " packet is illustrated according to the meaning of " including but not limited to "
Include (comprise) ", " comprising (comprising) " etc..The word " coupling " used as herein refers to two or more
Element can be directly connected or be connected by means of one or more intermediary elements.In addition, ought use in this application
When, term " herein ", " above ", " following " and similar meaning term should refer to the application as a whole, rather than
Any specific part of the application.It, can also using the term in being discussed in detail above of singular or plural when context allows
To respectively include plural number or odd number.Refer to the term "or" when list of two or more projects, this term covers the term
It is explained below in whole: any combination of project in any project in list, all items in list and list.
Herein by word " demonstration " exclusiveness for meaning as example, example or illustration.It is depicted here as " demonstration "
Any embodiment need not be construed as compared with other embodiment being preferred or advantageous.
It is not intended to for the application to be limited to embodiment shown here.For the embodiment that describes in this application
Various modifications can be those skilled in the art fairly obvious, and the General Principle defined herein can be adapted for
Other embodiment, without being detached from spirit herein or range.The teachings of the present application provided herein can be adapted for
Other method and systems, however it is not limited to above-mentioned method and system, and each member of above-mentioned each embodiment can be combined
Element and movement, to provide further embodiment.Correspondingly, can implement according to a variety of other forms described here new
Clever method and system；Furthermore, it is possible to make the formal various omissions of method and system described here, replace and change
Become, without being detached from spirit herein.Attached drawing and their equivalent are intended to cover as that will fall into scope of the present application and essence
This form or modification in mind.
Claims (20)
1. a kind of power amplifying system, comprising:
Power amplifier；
Boost converter is configured to provide supply voltage to the power amplifier；And
Control system is configured to provide boost converter control signal to the boost converter, to be based on putting with the power
The big associated parameter of device adjusts the supply voltage.
2. power amplifying system according to claim 1, wherein the control system of the power amplifying system is couple to the function
Rate amplifier and the boost converter.
3. power amplifying system according to claim 2, wherein the control system of the power amplifying system includes power supply system
Control unit and power amplifier control component.
4. power amplifying system according to claim 3, wherein be couple to the liter to the control of power supply system component communication
Pressure converter is couple to the power amplifier to the power amplifier control component communication.
5. power amplifying system according to claim 4, wherein parameter associated with the power amplifier includes the function
The sensing situation of rate amplifier.
6. power amplifying system according to claim 5, wherein the control of power supply system component is configured to detect the power
The sensing situation of amplifier.
7. power amplifying system according to claim 1, wherein the boost converter control signal is reference voltage, residual quantity
At least one of signal or enable signal.
8. power amplifying system according to claim 1, wherein parameter associated with the power amplifier includes the function
The operation mode of rate amplifier, the boost converter control signal are provided to the boost converter to support the operation
Mode.
9. power amplifying system according to claim 8, wherein the operation mode includes increasing linearity mode.
10. power amplifying system according to claim 9, wherein the increase linearity mode is that high voltage mode or height are defeated
At least one of power mode out.
11. power amplifying system according to claim 1, wherein the boost converter is powered by cell voltage.
12. a kind of operating method of the control system of power amplifying system, comprising:
Determine the generation of the event of the first situation of indicated horsepower amplifier；
Generate the order of the output supply voltage for changing the boost converter for being couple to the power amplifier；And
The boost converter for representing order control signal is passed into the boost converter.
13. method according to claim 12, wherein the event includes receiving the input for representing power amplifier parameter.
14. method according to claim 12, wherein the event includes detection power amplifier situation.
15. method according to claim 14, wherein the power amplifier situation indicate one of the power amplifier or
Multiple transistor saturations.
16. method according to claim 12, wherein the event includes that desired, programming mode changes, and generates the life
Enable includes generating the order to support desired, programming the mode to change.
17. method according to claim 12, wherein the event includes desired, linearity performance change, generates the life
Enable includes generating the order to support the desired, linearity performance change.
18. method according to claim 12, wherein transmitting the boost converter control signal includes from reference voltage set
Middle selection reference voltage, each reference voltage correspond to corresponding output supply voltage.
19. method according to claim 12, wherein the boost converter is couple to the power amplifier and is couple to
The control system.
20. a kind of wireless device, comprising:
Transceiver is configured to generate radiofrequency signal；
Front-end module, with the transceiver communication, the front-end module includes package substrate, and the package substrate is configured to accommodate
Multiple components, the front-end module further include power amplifying system, and the power amplifying system is implemented in the package substrate,
The power amplifying system includes power amplifier, and the power amplifier is configured to amplify the radiofrequency signal, the power
Amplification system further includes the boost converter for being couple to the power amplifier, and the boost converter is configured to the power
Amplifier provides supply voltage, and the power amplifying system further includes being couple to the power amplifier and the boost converter
Control system, the control system is configured to parameter associated with the power amplifier to the boost converter
Boost converter is provided and controls signal；And
Antenna is communicated with the front-end module, and the antenna configuration is to emit amplified radiofrequency signal.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462097941P | 2014-12-30 | 2014-12-30 | |
| US62/097,941 | 2014-12-30 | ||
| US201562116458P | 2015-02-15 | 2015-02-15 | |
| US201562116459P | 2015-02-15 | 2015-02-15 | |
| US62/116,458 | 2015-02-15 | ||
| US62/116,459 | 2015-02-15 | ||
| CN201510640787.2A CN105743445B (en) | 2014-12-30 | 2015-09-30 | Power amplifying system with variable supply voltage |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510640787.2A Division CN105743445B (en) | 2014-12-30 | 2015-09-30 | Power amplifying system with variable supply voltage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109067365A true CN109067365A (en) | 2018-12-21 |
| CN109067365B CN109067365B (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810914490.4A Active CN109067365B (en) | 2014-12-30 | 2015-09-30 | Power amplification system with variable supply voltage |
| CN201510640787.2A Active CN105743445B (en) | 2014-12-30 | 2015-09-30 | Power amplifying system with variable supply voltage |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510640787.2A Active CN105743445B (en) | 2014-12-30 | 2015-09-30 | Power amplifying system with variable supply voltage |
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| CN (2) | CN109067365B (en) |
| HK (1) | HK1223202A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449053B (en) * | 2018-02-28 | 2022-05-03 | 惠州Tcl移动通信有限公司 | Method, storage medium and equipment for cooperative setting of radio frequency power amplifier and converter |
| CN108983934B (en) * | 2018-06-29 | 2021-11-16 | 联想(北京)有限公司 | Electronic device and control method for electronic device |
| CN110196613B (en) * | 2019-05-28 | 2021-03-30 | 电子科技大学 | Power supply device for DUT in integrated circuit test system |
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| US7522676B2 (en) * | 2006-02-06 | 2009-04-21 | Nokia Corporation | Method and system for transmitter envelope delay calibration |
| US7519336B2 (en) * | 2006-05-05 | 2009-04-14 | Nokia Corporation | Method and arrangement for optimizing efficiency of a power amplifier |
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- 2015-09-30 CN CN201810914490.4A patent/CN109067365B/en active Active
- 2015-09-30 CN CN201510640787.2A patent/CN105743445B/en active Active
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| US20090115531A1 (en) * | 2007-10-16 | 2009-05-07 | Thx Ltd. | Efficient power amplifier |
| US20110084760A1 (en) * | 2009-10-09 | 2011-04-14 | Richtek Technology Corp. | Highly efficient class-g amplifier and control method thereof |
| US20140057684A1 (en) * | 2011-05-05 | 2014-02-27 | Rf Micro Devices, Inc. | Power loop control based envelope tracking |
| CN104185953A (en) * | 2012-02-09 | 2014-12-03 | 天工方案公司 | Apparatus and methods for envelope tracking |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109067365B (en) | 2022-08-12 |
| CN105743445A (en) | 2016-07-06 |
| HK1223202A1 (en) | 2017-07-21 |
| CN105743445B (en) | 2018-07-31 |
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