阅读说明：本技术 一种功率放大器的电压调整方法、装置及电子设备 (Voltage adjusting method and device of power amplifier and electronic equipment ) 是由 马士强 于 2020-05-13 设计创作，主要内容包括：本发明提供一种功率放大器的电压调整方法、装置及电子设备；其中,所述功率放大器的电压调整方法,包括：获取目标时间段内的功率输出极大值；根据预设的功率输出值与电压的映射关系,获取与所述功率输出极大值对应的目标电压；将所述目标时间段内的电压调整为所述目标电压。本发明提供的技术方案解决了现有的功率放大器功耗较大的问题。(The invention provides a voltage adjusting method and device of a power amplifier and electronic equipment; the voltage adjusting method of the power amplifier comprises the following steps: acquiring a power output maximum value in a target time period; acquiring a target voltage corresponding to the power output maximum value according to a preset mapping relation between the power output value and the voltage; adjusting the voltage within the target time period to the target voltage. The technical scheme provided by the invention solves the problem that the power consumption of the conventional power amplifier is larger.)

1. A method for adjusting a voltage of a power amplifier, comprising:

acquiring a power output maximum value in a target time period;

acquiring a target voltage corresponding to the power output maximum value according to a preset mapping relation between the power output value and the voltage;

adjusting the voltage within the target time period to the target voltage.

2. The method of claim 1, wherein obtaining a power output maximum within a target time period comprises:

detecting a first output signal, and determining an extreme point of the first output signal;

determining a time period between minimum value points of two adjacent first output signals as the target time period, and acquiring a maximum value of the first output signal in the target time period;

the power output maximum value corresponding to the maximum value of the first output signal is acquired based on the correspondence relationship between the first output signal and the power output signal.

3. The method of claim 2, wherein prior to detecting the first output signal and determining the extreme point of the first output signal, the method further comprises:

dividing the initial output signal into a first branch signal and a second branch signal;

outputting the first branch signal to a power amplifier;

and filtering the second branch signal to obtain the first output signal.

4. The method of claim 1, wherein before the obtaining of the target voltage corresponding to the maximum power output value according to the preset mapping relationship between the power output value and the voltage, the method further comprises:

determining a preset power output value;

and adjusting the voltage of the power amplifier based on the preset power output value to obtain the mapping relation between the preset power output value and the voltage.

5. The method of claim 4, wherein the adjusting the voltage of the power amplifier based on the preset power output value to obtain the preset power output value-voltage mapping relationship comprises:

and adjusting the voltage of the power amplifier based on the preset power output value, determining the minimum voltage which accords with the preset adjacent channel leakage ratio AC L R as a target voltage, and obtaining the mapping relation between the preset power output value and the voltage.

6. A voltage adjustment apparatus for a power amplifier, comprising:

the first acquisition module is used for acquiring a power output maximum value in a target time period;

the second acquisition module is used for acquiring a target voltage corresponding to the power output maximum value according to a preset mapping relation between the power output value and the voltage;

and the adjusting module is used for adjusting the voltage in the target time period to the target voltage.

7. The apparatus of claim 6, wherein the first obtaining module is further configured to:

detecting a first output signal, and determining an extreme point of the first output signal;

determining a time period between minimum value points of two adjacent first output signals as the target time period, and acquiring a maximum value of the first output signal in the target time period;

the power output maximum value corresponding to the maximum value of the first output signal is acquired based on the correspondence relationship between the first output signal and the power output signal.

8. The apparatus of claim 7, further comprising:

a dividing module for dividing the initial output signal into a first branch signal and a second branch signal;

an output module, configured to output the first branch signal to a power amplifier;

and the filtering module is used for filtering the second branch signal to obtain the first output signal.

9. The apparatus of claim 6, further comprising:

the determining module is used for determining a preset power output value;

and the adjusting module is used for adjusting the voltage of the power amplifier based on the preset power output value so as to obtain the mapping relation between the preset power output value and the voltage.

10. The apparatus of claim 9, wherein the adjustment module is further configured to:

and adjusting the voltage of the power amplifier based on the preset power output value, determining the minimum voltage which accords with the preset adjacent channel leakage ratio AC L R as a target voltage, and obtaining the mapping relation between the preset power output value and the voltage.

11. An electronic device, comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the method of voltage regulation of a power amplifier according to any one of claims 1 to 5.

12. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method for voltage adjustment of a power amplifier according to any one of claims 1 to 5.

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for adjusting a voltage of a power amplifier, and an electronic device.

Background

The Power Amplifier (PA) is an important component of the rf front end, and the Power consumption of the PA is also a main Power consumption part of the electronic device, so that the efficiency of the PA is optimized, the Power consumption of the PA can be reduced, and the overall Power consumption of the electronic device can be greatly reduced. At present, a power amplifier usually adopts a fixed voltage mode, and when the power amplifier is in a maximum output state, the power supply voltage of the amplifier may not be the voltage required when the power amplifier reaches the maximum output state, so that the power consumption of the power amplifier is increased, and the power consumption of the whole machine is also increased.

Disclosure of Invention

The embodiment of the invention provides a voltage adjusting method and device of a power amplifier and electronic equipment, and aims to solve the problem that the power consumption of the conventional power amplifier is large.

In order to solve the technical problem, the invention is realized as follows:

in a first aspect, an embodiment of the present invention provides a method for adjusting a voltage of a power amplifier, including:

acquiring a power output maximum value in a target time period;

acquiring a target voltage corresponding to the power output maximum value according to a preset mapping relation between the power output value and the voltage;

adjusting the voltage within the target time period to the target voltage.

In a second aspect, an embodiment of the present invention further provides a voltage adjustment apparatus for a power amplifier, including:

the first acquisition module is used for acquiring a power output maximum value in a target time period;

the second acquisition module is used for acquiring a target voltage corresponding to the power output maximum value according to a preset mapping relation between the power output value and the voltage;

and the adjusting module is used for adjusting the voltage in the target time period to the target voltage.

In a third aspect, an embodiment of the present invention further provides an electronic device, which includes a processor, a memory, and a computer program stored on the memory and executable on the processor, and when the computer program is executed by the processor, the steps of the voltage adjustment method for a power amplifier according to the first aspect are implemented.

In a fourth aspect, the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the voltage adjustment method for a power amplifier according to the first aspect.

According to the technical scheme provided by the embodiment of the invention, the target voltage corresponding to the power output maximum value is obtained according to the mapping relation between the preset power output value and the voltage by obtaining the power output maximum value in the target time period; and adjusting the voltage in the target time period to the target voltage. Therefore, the voltage output to the power amplifier in the target time period can be adjusted, the purpose of reducing the power consumption of the power amplifier is achieved, and the power consumption of the electronic equipment can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a flowchart of a voltage adjustment method for a power amplifier according to an embodiment of the present invention;

FIG. 2 is a block diagram of a radio frequency front end in an electronic device that employs the method provided in FIG. 1;

fig. 3 is a waveform diagram of a digital output signal in a voltage adjustment method for a power amplifier according to an embodiment of the present invention;

fig. 4 is a structural diagram of a voltage adjustment apparatus of a power amplifier according to an embodiment of the present invention;

fig. 5 is a block diagram of an electronic device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a flowchart of a voltage adjustment method of a power amplifier according to an embodiment of the present invention, and as shown in fig. 1, the voltage adjustment method of the power amplifier includes the following steps:

step 101, obtaining a power output maximum value in a target time period.

The method provided by the embodiment of the invention can be applied to electronic equipment, and can also be applied to a voltage adjusting device of a specific power amplifier in the electronic equipment. For example, the maximum value of the power output in the target time period may be obtained by the voltage adjustment device of the power amplifier.

In this step, the maximum value of power output in the target time period may be obtained when the electronic device is in the signaling connection state. The target time period may be a specific time period defined by a user, or may also be a time period when a certain parameter of the electronic device meets a preset condition, and the like; the power output maximum may refer to a maximum output power of a power amplifier in the electronic device. In addition to transmitting user information, signaling is a control signal required for guaranteeing normal communication in a wireless communication system to operate the entire network in order. In this embodiment, the electronic device is in a signaling connection state, which may be considered as a state where a signaling plane connection exists between the electronic device and a core network entity in the network system.

Optionally, the step 101 includes:

detecting a first output signal, and determining an extreme point of the first output signal;

determining a time period between minimum value points of two adjacent first output signals as the target time period, and acquiring a maximum value of the first output signal in the target time period;

the power output maximum value corresponding to the maximum value of the first output signal is acquired based on the correspondence relationship between the first output signal and the power output signal.

Optionally, the waveform of the first output signal matches the waveform of the power output signal.

To better explain the steps of the method provided in this embodiment, please refer to fig. 2 for a structure diagram of the rf front end in the electronic device.

As shown in fig. 2, the radio frequency front end includes a Modem (Modem), a first filter circuit, a second filter circuit, a Power Amplifier (PA), a Peak Detector (Peak Detector) module, and a DC-DC converter (DC-DC), wherein a first output terminal of the Modem is connected to an input terminal of the first filter circuit, an output terminal of the first filter circuit is connected to an input terminal of the Power Amplifier, a second output terminal of the Modem is connected to an input terminal of the second filter circuit, an output terminal of the second filter circuit is connected to an input terminal of the Modem, a third output terminal of the Modem is connected to an input terminal of the DC-DC converter, and an output terminal of the DC-DC converter is connected to an input terminal of the Power Amplifier.

It should be noted that the output signal of the modem is divided into I, Q by serial-parallel conversion, so as to obtain an i (n) sequence and a q (n) sequence, where the i (n) sequence and the q (n) sequence have a first branch signal ① and a second branch signal ②, respectively, where the two first branch signals ① of the i (n) sequence and the q (n) sequence are output to a first filter circuit through a first output end of the modem, the first filter circuit filters the first branch signal ① and outputs the first branch signal to a power amplifier to obtain a power output signal, the two second branch signals ② of the i (n) sequence and the q (n) sequence are output to a second filter circuit through a second output end of the modem, and the second filter circuit filters the second branch signal ② to obtain a digital output signal (the first output signal in this embodiment), and outputs the digital output signal to a peak detection module to detect a peak value of the digital output signal.

Further, the first Filter circuit includes a first Delay (Delay) module, a DAC (Digital-to-analog converter) and a BB Filter (baseband Filter), an input end of the first Delay module is connected to a first output end of the modem, an output end of the first Delay module is connected to an input end of the DAC, an output end of the DAC is connected to an input end of the BB Filter, and an output end of the BB Filter is connected to an input end of the power amplifier. The second filter circuit includes a second delay module and a Finite Impulse Response (FIR) filter, an input end of the second delay module is connected to the second output end of the modem, an output end of the second delay module is connected to an input end of the FIR, and an output end of the FIR is connected to an input end of the peak detection module. The specific structure and signal flow path of the rf front end will be specifically described with reference to fig. 2.

As shown in fig. 2, the baseband signal Base Band (n) in the Modem module is deserialized I, Q to obtain an i (n) sequence and a q (n) sequence, respectively, where the i (n) sequence and the q (n) sequence have a first branch signal ① and a second branch signal ②, respectively, where two first branch signals ① of the i (n) sequence and the q (n) sequence pass through a Delay module (i.e. the first Delay module), a DAC (Digital analog converter), a BBFilter (Base Band Filter ), and a Mixer, respectively, to form an RF (radio frequency) signal, i.e. the Mixer also receives a Carrier signal Carrier, the two first branch signals ① are added and then output to an input of a PA (Power Amplifier ) to obtain a Power output signal, the i (n) sequence and the q (n) sequence are output in accordance with the first Power output waveform of the PA (Power Amplifier, the Filter output signal is output in accordance with the Digital output waveform of the first branch signal output of the PA (Filter) in this embodiment, and the Filter output of the present invention is implemented by a Digital Filter (Digital Filter) output waveform matching the first branch signal output of the first branch signal of the present invention.

It should be noted that the digital Filter FIR is a digitized version of BB Filter, so as to match the waveform of the second branch signal with the waveform of the first branch signal, i.e. to enable the waveform of the power output signal to match, e.g. coincide with, the waveform of the digital output signal.

Optionally, before detecting the first output signal and determining the extreme point of the first output signal, the method further includes:

dividing the initial output signal into a first branch signal and a second branch signal;

outputting the first branch signal to a power amplifier;

and filtering the second branch signal to obtain the first output signal.

Wherein the first branch signals are two first branch signals ① comprising the sequence I (n) and the sequence Q (n) as shown in FIG. 2, and the second branch signals are the second branch signals ② as shown in FIG. 2.

In this embodiment, when the electronic device is in the signaling connection state, the initial output signal (which may be a baseband signal) of the electronic device is transmitted through the signal path as shown in fig. 2, and then the first output signal and the power output signal are obtained. It will be appreciated that the shape or form of the signal is typically represented by a waveform diagram, i.e., a waveform diagram typically includes peaks and valleys.

Referring to fig. 3, fig. 3 is a waveform diagram of the first output signal in this embodiment, the extreme points of the first output signal also include a maximum value and a minimum value of the first output signal, the maximum value of the first output signal may refer to the first output signal corresponding to the peak in the waveform diagram, the minimum value of the first output signal may refer to the first output signal corresponding to the lowest point of the waveform, and according to the characteristics of the waveform diagram, a maximum value of the first output signal also exists between the minimum points of any two first output signals. As shown in fig. 3, the time period between the minimum values S (N1) and S (N3) of two adjacent first output signals is determined as the target time period, and the maximum value S (N2) between the minimum values of the two first output signals can be obtained, and the power output maximum value corresponding to the maximum value S (N2) of the first output signal can be obtained from the maximum value S (N2) of the first output signal based on the correspondence relationship between the first output signal and the power output signal. In this embodiment, the waveform of the first output signal is identical to the waveform of the power output signal, that is, the maximum value of the first output signal corresponds to the maximum value of the power output in the same time period.

And 102, acquiring a target voltage corresponding to the power output maximum value according to a preset mapping relation between the power output value and the voltage.

In this embodiment, after the power output maximum within the target time period is obtained, the electronic device obtains a target voltage corresponding to the power output maximum according to a preset mapping relationship between the power output value and the voltage, so as to adjust the voltage of the power amplifier.

It is understood that the mapping relationship between the preset power output value and the voltage is preset and stored by the electronic device. Optionally, step 102 may be preceded by:

determining a preset power output value;

and adjusting the voltage of the power amplifier based on the preset power output value to obtain the mapping relation between the preset power output value and the voltage.

The above step may be before step 102, or before step 101. Alternatively, the preset power output value may be determined when the electronic device is in a non-signaling connection state. The electronic device is in a non-signaling connection state, which may be a state where no signaling plane connection exists between the electronic device and a core network entity in a network system. When the electronic device is in the non-signaling connection state, the preset power output value is determined, for example, a power output value is set by a user, and then the input voltage of the power amplifier is adjusted based on the preset power output value, so as to obtain a mapping relationship between the preset power output value and the voltage.

Optionally, the adjusting the voltage of the power amplifier based on the preset power output value to obtain a mapping relationship between the preset power output value and the voltage includes:

and adjusting the voltage of the power amplifier based on the preset power output value, determining the minimum voltage which accords with the preset adjacent channel leakage ratio AC L R as a target voltage, and obtaining the mapping relation between the preset power output value and the voltage.

For example, after setting the preset power output value P1, the user may gradually adjust the voltage of the power amplifier from high to low, and obtain the minimum voltage U1 that meets the preset expected AC L R (Adjacent Channel L eakage Ratio) in the process, and further establish a mapping relationship between the minimum voltage U1 and the preset power output value P1.

It can be understood that the preset mapping relationship between the power output values and the voltages may include multiple groups of power output values and voltages corresponding to one another, and a user may set multiple preset power output values in sequence, and based on the above method, the minimum voltage corresponding to each preset power output value is determined, so that the mapping relationship between the multiple groups of power output values and the voltages corresponding to one another may be obtained.

Therefore, after the electronic equipment acquires the power output maximum value in the target time period, the target voltage corresponding to the power output maximum value can be acquired according to the preset mapping relation between the power output value and the voltage. For example, after the power output maximum value within the target time period is obtained, the preset power output value closest to the power output maximum value in the mapping relationship between the preset power output value and the voltage is obtained, and then the voltage corresponding to the preset power output value is determined as the target voltage.

Step 103, adjusting the voltage in the target time period to the target voltage.

In this embodiment, after the target voltage is determined, the voltage in the target time period is adjusted to the target voltage, and it can be understood that, based on the mapping relationship between the preset power output value and the voltage, the target voltage is the minimum voltage meeting the preset AC L R at the specific power output value.

Referring to fig. 2 again, two second branch signals ② of the i (n) sequence and the q (n) sequence are filtered in the digital domain by the Delay module and the FIR, the two filtered second branch signals ② are added to form a first output signal and transmitted to the Peak Detector (Peak Detector) module, so that the Peak value of the first output signal is detected by the Peak Detector module, including detecting the maximum value and the minimum value of the first output signal, and the detection result is transmitted to the modem, so as to adjust the output voltage of the DC-DC converter (DC-DC) by the modem, for example, adjust the output voltage of the DC-DC converter to a target voltage, and further adjust the input voltage of the power amplifier to the target voltage.

It should be noted that the power output value of the power amplifier changes in real time, and by adopting the scheme provided by the embodiment of the invention, the target time period can be divided according to the extreme power, so as to adjust the voltage output to the power amplifier in the target time period; with the circulation, the input voltage of the power amplifier can be continuously adjusted according to the extreme power, so that the power consumption of the power amplifier is reduced.

According to the technical scheme provided by the embodiment of the invention, the target voltage corresponding to the power output maximum value is obtained according to the mapping relation between the preset power output value and the voltage by obtaining the power output maximum value in the target time period; and adjusting the voltage in the target time period to the target voltage. Therefore, the voltage output to the power amplifier in the target time period can be adjusted, the purpose of reducing the power consumption of the power amplifier is achieved, and the power consumption of the electronic equipment can be reduced.

Referring to fig. 4, fig. 4 is a structural diagram of a voltage adjustment apparatus of a power amplifier according to an embodiment of the present invention, and as shown in fig. 4, the voltage adjustment apparatus 400 of the power amplifier includes:

a first obtaining module 401, configured to obtain a maximum power output value in a target time period;

a second obtaining module 402, configured to obtain, according to a preset mapping relationship between a power output value and a voltage, a target voltage corresponding to the power output maximum value;

an adjusting module 403, configured to adjust the voltage in the target time period to the target voltage.

Optionally, the first obtaining module 401 is further configured to:

detecting a first output signal, and determining an extreme point of the first output signal;

determining a time period between minimum value points of two adjacent first output signals as the target time period, and acquiring a maximum value of the first output signal in the target time period;

the power output maximum value corresponding to the maximum value of the first output signal is acquired based on the correspondence relationship between the first output signal and the power output signal.

Optionally, the voltage adjustment apparatus 400 of the power amplifier further includes:

a dividing module for dividing the initial output signal into a first branch signal and a second branch signal;

an output module, configured to output the first branch signal to a power amplifier;

and the filtering module is used for filtering the second branch signal to obtain the first output signal.

Optionally, the voltage adjustment apparatus 400 of the power amplifier further includes:

the determining module is used for determining a preset power output value;

and the adjusting module is used for adjusting the voltage of the power amplifier based on the preset power output value so as to obtain the mapping relation between the preset power output value and the voltage.

Optionally, the adjusting module is further configured to:

and adjusting the voltage of the power amplifier based on the preset power output value, determining the minimum voltage which accords with the preset adjacent channel leakage ratio AC L R as a target voltage, and obtaining the mapping relation between the preset power output value and the voltage.

It should be noted that the voltage adjustment apparatus 400 of the power amplifier can implement each process of the voltage adjustment method embodiment of the power amplifier illustrated in fig. 1, and can achieve the same technical effect, and for avoiding repetition, the details are not described here again.

In the embodiment of the present invention, the voltage adjustment device 400 of the power amplifier obtains the power output maximum value in the target time period, and obtains the target voltage corresponding to the power output maximum value according to the preset mapping relationship between the power output value and the voltage; and adjusting the voltage in the target time period to the target voltage. Therefore, the voltage output to the power amplifier in the target time period can be adjusted, and the purpose of reducing the power consumption of the power amplifier is achieved.

Referring to fig. 5, fig. 5 is a structural diagram of another electronic device for implementing the embodiment of the invention, and the electronic device 500 can implement each process of the embodiment of the voltage adjustment method of the power amplifier shown in fig. 1 and achieve the same technical effect. As shown in fig. 5, the electronic device 500 includes, but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, a processor 510, and a power supply 511. Those skilled in the art will appreciate that the electronic device configuration shown in fig. 5 does not constitute a limitation of the electronic device, and that the electronic device may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the electronic device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.

Wherein, the processor 510 is configured to:

acquiring a power output maximum value in a target time period through the radio frequency unit 501;

acquiring a target voltage corresponding to the power output maximum value according to a preset mapping relation between the power output value and the voltage;

the voltage in the target time period is adjusted to the target voltage by the radio frequency unit 501.

Optionally, the processor 510 is configured to:

detecting a first output signal through the radio frequency unit 501, and determining an extreme point of the first output signal;

determining a time period between minimum value points of two adjacent first output signals as the target time period, and acquiring a maximum value of the first output signal in the target time period;

based on the correspondence between the first output signal and the power output signal, the power output maximum corresponding to the maximum of the first output signal is obtained, and the power output maximum is sent to the processor 510.

Optionally, the processor 510 is further configured to:

dividing the initial output signal into a first branch signal and a second branch signal by the radio frequency unit 501;

outputting the first branch signal to a power amplifier in the radio frequency unit 501;

the second branch signal is filtered by the rf unit 501 to obtain the first output signal.

Optionally, the processor 510 is further configured to:

determining a preset power output value;

and adjusting the voltage of the power amplifier based on the preset power output value to obtain the mapping relation between the preset power output value and the voltage.

Optionally, the processor 510 is further configured to:

and adjusting the voltage of the power amplifier based on the preset power output value, determining the minimum voltage which accords with the preset adjacent channel leakage ratio AC L R as a target voltage, and obtaining the mapping relation between the preset power output value and the voltage.

In this embodiment of the present invention, the electronic device 500 obtains the target voltage corresponding to the maximum power output value according to the preset mapping relationship between the maximum power output value and the voltage by obtaining the maximum power output value in the target time period, and adjusts the voltage in the target time period to the target voltage. In this way, the voltage output to the power amplifier in the target time period can be adjusted to achieve the purpose of reducing the power consumption of the power amplifier, and further, the power consumption of the electronic device 500 can be reduced.

It should be understood that, in the embodiment of the present invention, the radio frequency unit 501 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 510; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 501 can also communicate with a network and other devices through a wireless communication system.

The electronic device 500 provides the user with wireless broadband internet access via the network module 502, such as assisting the user in sending and receiving e-mails, browsing web pages, and accessing streaming media.

The audio output unit 503 may convert audio data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into an audio signal and output as sound. Also, the audio output unit 503 may also provide audio output related to a specific function performed by the electronic apparatus 500 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 503 includes a speaker, a buzzer, a receiver, and the like.

The input unit 504 is used to receive an audio or video signal. The input Unit 504 may include a Graphics Processing Unit (GPU) 5041 and a microphone 5042, and the Graphics processor 5041 processes image data of a still image or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 506. The image frames processed by the graphics processor 5041 may be stored in the memory 509 (or other computer-readable storage medium) or transmitted via the radio frequency unit 501 or the network module 502. The microphone 5042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 501 in case of the phone call mode.

The electronic device 500 also includes at least one sensor 505, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 5051 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 5051 and/or a backlight when the electronic device 500 is moved to the ear. As one type of motion sensor, an accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of an electronic device (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 505 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.

The Display unit 506 may include a Display panel 5051, and the Display panel 5051 may be configured in the form of a liquid Crystal Display (L acquired Crystal Display, L CD), an Organic light-Emitting Diode (O L ED), or the like.

The user input unit 507 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the electronic device 500. Specifically, the user input unit 507 includes a touch panel 5071 and other input devices 5072. Touch panel 5071, also referred to as a touch screen, may collect touch operations by a user on or near it (e.g., operations by a user on or near touch panel 5071 using a finger, stylus, or any suitable object or attachment). The touch panel 5071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 510, and receives and executes commands sent by the processor 510. In addition, the touch panel 5071 may be implemented in various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 5071, the user input unit 507 may include other input devices 5072. In particular, other input devices 5072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

Further, a touch panel 5071 may be overlaid on the display panel 5051, and when the touch panel 5071 detects a touch operation thereon or thereabout, the touch panel is transmitted to the processor 510 to determine the type of touch event, and then the processor 510 provides a corresponding visual output on the display panel 5051 according to the type of touch event. Although in fig. 5, the touch panel 5071 and the display panel 5051 are implemented as two separate components to implement the input and output functions of the electronic device 500, in some embodiments, the touch panel 5071 and the display panel 5051 may be integrated to implement the input and output functions of the electronic device 500, and are not limited herein.

The interface unit 508 is an interface for connecting an external device to the electronic apparatus 500. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 508 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the electronic apparatus 500 or may be used to transmit data between the electronic apparatus 500 and external devices.

The memory 509 may be used to store software programs as well as various data. The memory 509 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 509 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.

The processor 510 is a control center of the electronic device 500, connects various parts of the whole electronic device 500 by using various interfaces and lines, and performs various functions of the electronic device 500 and processes data by running or executing software programs and/or modules stored in the memory 509 and calling data stored in the memory 509, thereby performing overall monitoring of the electronic device 500. Processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 510.

The electronic device 500 may further include a power supply 511 (e.g., a battery) for supplying power to various components, and preferably, the power supply 511 may be logically connected to the processor 510 via a power management system, so as to implement functions of managing charging, discharging, and power consumption via the power management system.

In addition, the electronic device 500 includes some functional modules that are not shown, and are not described in detail herein.

Optionally, an embodiment of the present invention further provides an electronic device, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, implements each process of the above-mentioned voltage adjustment method for a power amplifier, and can achieve the same technical effect, and details are not repeated here to avoid repetition.

The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the embodiment of the voltage adjustment method for a power amplifier, and can achieve the same technical effect, and in order to avoid repetition, the detailed description is omitted here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.