CN106253915B - A kind of handheld device - Google Patents
A kind of handheld device Download PDFInfo
- Publication number
- CN106253915B CN106253915B CN201510868790.XA CN201510868790A CN106253915B CN 106253915 B CN106253915 B CN 106253915B CN 201510868790 A CN201510868790 A CN 201510868790A CN 106253915 B CN106253915 B CN 106253915B
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- Prior art keywords
- battery
- gan
- power amplifier
- frequency power
- radio
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The present invention discloses a kind of handheld device, comprising: GaN radio-frequency power amplifier, battery unit, battery management unit, digital processing element, transmitter and antenna；GaN radio-frequency power amplifier is connect with transmitter, antenna and digital processing element respectively；Transmitter is connect with digital processing element；Battery unit includes multiple batteries；Battery management unit is connect with digital processing element and battery unit respectively, battery management unit has the first supplying channels, battery management unit is under the control of digital processing element, the series-parallel relationship that battery in battery unit is adjusted according to the power demands of GaN radio-frequency power amplifier, provides the voltage for capableing of dynamic change by the first supplying channels for GaN radio-frequency power amplifier；Digital processing element controls battery management unit for handling signal of communication.Handheld device disclosed by the invention transmitting link bandwidth with higher and efficiency, and the area for emitting link is smaller.
Description
Technical field
The invention belongs to field of communication technology more particularly to a kind of handheld devices.
Background technique
With the arrival of big data era, (radio communication of the consumption terminal, broadcast type of such as cell phone type is whole for handheld device
End or small-sized movable short-distance and medium-distance base station terminal) it is used as terminal, carry the mission of information transmitting.
Mobile communication comes into the 4G epoch at present, this mainly has benefited from the application of LTE (long term evolution) technology.LTE is adopted
With OFDMA (orthogonal frequency division multiple access) modulation technique, band efficiency is improved, peak rate is up to 1Gps, maximum bandwidth
It is up to 100MHz.Very widely used today LTE frequency band reaches 43 Bands (frequency range), covers 700MHz-3.4GHz.Mobile phone
Manufacturer needs to do multichannel on transmitting chain road, to meet the communication requirement of each department covering multiband multi-standard.It is a in this way
Mobile phone generally requires 4 to 5 transmission channels, to handle respectively GSM (global system for mobile communications), CDMA (CDMA),
The different frequency ranges signals such as WCDMA (wideband code division multiple access), LTE, while as channel increases, it is also necessary to match to each transmission channel
Standby filter, switch, duplexer.Therefore, cell phone manufacturer is faced with the efficiency for how improving handheld device, system broad, hair
Penetrate the problem of link area small-sized.
The method primarily now used are as follows: Multi-Mode Multi-Band (multi-mode-multi-band) power amplifier is used,
Referred to as MMMB power amplifier.Wherein, MMMB power amplifier generallys use GaAs MMMB power amplifier, and GaAs is arsenic
Change gallium.But the efficiency that the low mobility in GaAs material property will lead to GaAs MMMB power amplifier can not do height, it is defeated
Capacitor is excessive out leads to apparent narrow-band characteristic.Meanwhile GaAs MMMB power amplifier is limited by its reliability and can only be applied
In low pressure, determine that GaAs MMMB power amplifier can not undertake efficient, broadband, the technical need of small size of systems in this way.
Therefore, the transmitting link efficiency and bandwidth of handhold device system how are improved, and reduces the area of transmitting link, still
It is so the technical problem that those skilled in the art face.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of handheld device, transmitting link efficiency and band with higher
Width, and its area for emitting link is smaller.
To achieve the above object, the invention provides the following technical scheme:
The present invention discloses a kind of gallium nitride GaN radio-frequency power amplifier, battery unit, battery management unit, digital processing
Unit, transmitter and antenna；
The GaN radio-frequency power amplifier connects with the transmitter, the antenna and the digital processing element respectively
It connects；
The transmitter is connect with the digital processing element；
The battery unit includes multiple batteries；
The battery management unit is connect with the digital processing element and the battery unit respectively, the cell tube
Managing unit has the first supplying channels, and the battery management unit is under the control of the digital processing element, according to the GaN
The power demands of radio-frequency power amplifier adjust the series-parallel relationship of battery in the battery unit, logical by first power supply
Road provides the voltage for capableing of dynamic change for the GaN radio-frequency power amplifier, and the battery management unit is the GaN
The maximum voltage that radio-frequency power amplifier provides is not less than the maximum working voltage of the GaN radio-frequency power amplifier；
The digital processing element controls the battery management unit for handling signal of communication.
Optionally, in above-mentioned handheld device, the optimum operating voltage of the GaN radio-frequency power amplifier is with its output power
Variation and dynamic change.
Optionally, above-mentioned handheld device includes multiple GaN radio-frequency power amplifiers；The multiple GaN radio-frequency power amplification
Device is GaN linear power amplifier；Alternatively, the multiple GaN radio-frequency power amplifier is GaN digital switch power amplification
Device；Alternatively, the multiple GaN radio-frequency power amplifier is GaN wideband power amplifer；Alternatively, the multiple GaN radio frequency function
Rate amplifier is any group of GaN linear power amplifier, GaN digital switch power amplifier and GaN wideband power amplifer
It closes.
Optionally, in above-mentioned handheld device, multiple batteries in the battery unit are sequentially connected in series to form battery strings, described
The cathode of battery strings is grounded；
The battery management unit includes multiple switch pipe, and the battery management unit also has the second supplying channels,
Second supplying channels are connect with the feeder ear of the feeder ear of the digital processing element and the transmitter；
The control terminal of the multiple switching tube is connect with the digital processing element, and the anode of each battery is opened by one
It closes pipe and is connected to first supplying channels, the anode of particular battery connects in second supplying channels and the battery unit
It connects.
Optionally, in above-mentioned handheld device, the battery management unit includes multiple switch pipe, and the battery management list
Member also has the second supplying channels, the feeder ear and the transmitting of second supplying channels and the digital processing element
The feeder ear of machine connects；
The control terminal of the multiple switching tube is connect with the digital processing element, and the anode of each battery is opened by one
It closes pipe and is connected to first supplying channels, the cathode of each battery is by a switching tube ground connection, and two neighboring battery is just
A switching tube is connected between pole and cathode, the anode of particular battery connects in second supplying channels and the battery unit
It connects.
Optionally, above-mentioned handheld device further includes filter, RF switch and duplexer, the GaN radio-frequency power amplification
Device passes sequentially through the filter, the RF switch and the duplexer and connect with the antenna.
Optionally, in above-mentioned handheld device, the GaN radio-frequency power amplifier, the filter and the RF switch
Form GaN integrated amplifier module or GaN monolithic integrated microwave circuit.
Optionally, in above-mentioned handheld device, the RF switch is GaN RF switch；The power supply of the GaN RF switch
End is connect with first supplying channels；Alternatively, particular battery in the feeder ear of the GaN RF switch and the battery unit
Anode connection.
Optionally, in above-mentioned handheld device, the battery is lithium battery, nickel-cadmium cell or graphene battery.
Optionally, in above-mentioned handheld device, the battery unit includes the lithium battery or described that 10 voltages are 3.6V
Battery unit includes the nickel-cadmium cell that 30 voltages are 1.2V.
Optionally, in above-mentioned handheld device, the digital processing element is multi-core central processing unit CPU or independent digit
Handle chip.
It can be seen that the invention has the benefit that
Handheld device disclosed by the invention includes GaN radio-frequency power amplifier, battery unit, battery management unit, number
Processing unit, transmitter and antenna, battery management unit amplify under the control of digital processing element according to GaN radio-frequency power
The series-parallel relationship of battery in the power demands adjustment battery unit of device, to be GaN radio-frequency power by the first supplying channels
Amplifier provides the voltage for capableing of dynamic change.Handheld device disclosed by the invention, using GaN radio-frequency power amplifier, therefore
It can be improved the bandwidth of the transmitting link of handheld device, and due to GaN radio-frequency power amplifier efficiency with higher,
It can be improved the efficiency of the transmitting link of handheld device；In addition, handheld device by adjusting in battery unit battery it is series-parallel
Relationship provides the supply voltage of adaptation for GaN radio-frequency power amplifier, and it is efficient can to give full play to GaN radio-frequency power amplifier
Performance, and the loss of electric energy is smaller, and the efficiency of whole system can be improved；Meanwhile in handheld device disclosed by the invention
The voltage that switching tube is born is the supply voltage after battery is series-parallel, will not generate high dv/dt component and di/ in switching
Dt component, therefore the lesser switching tube of area can be used, also not needing setting prevents the auxiliary circuit of EMI, and GaN radio frequency
The area of power amplifier is smaller, therefore can reduce the area of transmitting link.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of handheld device disclosed by the invention；
Fig. 2 is the structural schematic diagram of another handheld device disclosed by the invention；
Fig. 3 is the structural schematic diagram of another handheld device disclosed by the invention；
Fig. 4 is the structural schematic diagram of another handheld device disclosed by the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention discloses a kind of handheld device, transmitting link efficiency with higher and bandwidth, and it emits link
Area is smaller.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of handheld device disclosed by the invention.The handheld device includes battery
Unit 1, battery management unit 2, digital processing element 3, GaN radio-frequency power amplifier 4, antenna 5 and transmitter 6.
Wherein:
GaN radio-frequency power amplifier 4 is connect with transmitter 6, antenna 5 and digital processing element 3 respectively.
Transmitter 6 is connect with digital processing element 3.
Battery unit 1 includes multiple batteries.The voltage that battery in battery unit 1 provides under series connection is not less than
The maximum working voltage of GaN radio-frequency power amplifier 4.Preferably, battery unit 1 can be configured that battery unit 1
In the voltage that is provided under series connection of battery not less than GaN radio-frequency power amplifier 4 maximum working voltage and be not more than
The safe voltage (such as 36V) of human body.
Battery management unit 2 is connect with digital processing element 3 and battery unit 1 respectively, and battery management unit 2 has the
One supplying channels, battery management unit 2 is under the control of digital processing element 3, according to the power supply of GaN radio-frequency power amplifier 4
Demand adjusts the series-parallel relationship of battery in battery unit 1, is that GaN radio-frequency power amplifier 4 provides by the first supplying channels
It is capable of the voltage of dynamic change, and battery management unit 2 is that the maximum voltage that GaN radio-frequency power amplifier 4 provides is not less than
The maximum working voltage of GaN radio-frequency power amplifier 4.
Digital processing element 3 controls battery management unit 2 for handling signal of communication.
GaN material be third generation semiconductor material, with biggish forbidden bandwidth, high breakdown field strength, high mobility with
And the characteristic of high current density, with GaN material make radio-frequency power amplifier have high power density, efficiently, high reliability,
And the characteristic in broadband.
The output equivalent capacitor Cds of GaN radio-frequency power amplifier is smaller, the magnitude of only several pF.With Si (silicon) material
It is compared with the radio-frequency power amplifier of GaAs (GaAs) material, the output resistance Rout of GaN radio-frequency power amplifier is with frequency
The variable quantity of growth can be much smaller, while the switch response time of GaN radio-frequency power amplifier is very short, therefore penetrates using GaN
The efficiency of close power amplifier can be greatly improved as the power amplifier in handheld device in frequency power amplifier, so as to improve
The efficiency of handheld device.
In addition, GaN material compared with GaAs material, has higher power density properties, therefore GaN radio-frequency power amplifies
Device is using more small area, it will be able to reach power capability required by handheld device.Meanwhile GaN material has
Broadband character can cover multiband using less GaN radio-frequency power amplifier, reduce the transmitting link of handheld device
Area.
GaN radio-frequency power amplifier needs work at 10-40V, could send out efficient, high power density, broadband character
It shoots and.Power supply in existing handheld device is low-tension supply (usually 3.3V), if directly will using boost module
The low-tension supply of 3.3V boosts to 36V, and boosting ratio is up to 11 times, can have the defects that two aspects: 1) increase radio frequency
Link area.Since the switching tube in boost module during switch conversion otherwise stops switching over, it will appear dv/dt
Component and di/dt component, these components can generate the big transient voltage value for arriving 2-3 times of supply voltage, and switching tube is required to hold
By this high pressure, in order to improve the voltage endurance capability of switching tube, switching tube needs very big area.Meanwhile increase being needed to prevent EMI
The auxiliary circuit of (electromagnetic interference) will increase radio frequency link area in this way.2) efficiency is lower.Switching tube in boost module is being opened
Pass process will appear very high dv/dt component and di/dt component, these components will increase switching loss, lead to turning for power supply
Change that efficiency is lower, to reduce the efficiency of whole system.
And handheld device disclosed by the invention, the series-parallel pass of battery in battery unit 1 is adjusted by battery management unit 2
System exports the power supply being adapted to GaN radio-frequency power amplifier 4, and the loss of electric energy is smaller, and the efficiency of whole system can be improved.
In addition, the voltage that the switching tube in handheld device disclosed by the invention is born is the supply voltage after battery is series-parallel, switch exists
High dv/dt component and di/dt component will not be generated in switching, therefore can use the lesser switching tube of area, and also not
It needs that the auxiliary circuit for preventing EMI is arranged, can reduce the area of transmitting link.
Handheld device disclosed by the invention includes GaN radio-frequency power amplifier, battery unit, battery management unit, number
Processing unit, transmitter and antenna, battery management unit amplify under the control of digital processing element according to GaN radio-frequency power
The series-parallel relationship of battery in the power demands adjustment battery unit of device, to be GaN radio-frequency power by the first supplying channels
Amplifier provides the voltage for capableing of dynamic change.Handheld device disclosed by the invention, using GaN radio-frequency power amplifier, therefore
It can be improved the bandwidth of the transmitting link of handheld device, and due to GaN radio-frequency power amplifier efficiency with higher,
It can be improved the efficiency of the transmitting link of handheld device；In addition, handheld device by adjusting in battery unit battery it is series-parallel
Relationship provides the supply voltage of adaptation for GaN radio-frequency power amplifier, and it is efficient can to give full play to GaN radio-frequency power amplifier
Performance, and the loss of electric energy is smaller, and the efficiency of whole system can be improved；Meanwhile in handheld device disclosed by the invention
The voltage that switching tube is born is the supply voltage after battery is series-parallel, will not generate high dv/dt component and di/ in switching
Dt component, therefore the lesser switching tube of area can be used, also not needing setting prevents the auxiliary circuit of EMI, and GaN radio frequency
The area of power amplifier is smaller, therefore can reduce the area of transmitting link.
In concrete application, when the communication distance of handheld device farther out when, GaN radio-frequency power amplifier 4 need power supply electricity
Press higher, battery series connection some or all of in the battery unit 1 of the control of Power Management Unit 2 at this time, thus to GaN radio-frequency power
Amplifier 4 provides corresponding high voltage.When the communication distance of handheld device is closer, the confession of the needs of GaN radio-frequency power amplifier 4
Piezoelectric voltage is lower, and Power Management Unit 2 controls the battery parallel connection in battery unit 1 at this time, thus to GaN radio-frequency power amplifier
4 provide corresponding low-voltage, while but also electricity is maximized using the time.
Preferably, the optimum operating voltage of GaN radio-frequency power amplifier 4 with the variation of its output power dynamic
Variation.When the output power of GaN radio-frequency power amplifier 4 is larger, the operating voltage of GaN radio-frequency power amplifier 4 is larger
Numerical value, when the output power of GaN radio-frequency power amplifier 4 is smaller, the operating voltage of GaN radio-frequency power amplifier 4 be compared with
Small numerical value.
In implementation, a GaN radio-frequency power amplifier is can be set in handheld terminal, which can be with
For GaN linear power amplifier, GaN digital switch power amplifier or GaN wideband power amplifer.
In addition, multiple GaN radio-frequency power amplifiers also can be set in handheld terminal, handheld terminal is covered more
Frequency range.In the case where multiple GaN radio-frequency power amplifiers are arranged in handheld terminal, multiple GaN radio-frequency power amplifiers can be with
It is GaN linear power amplifier；Alternatively, multiple GaN radio-frequency power amplifiers are GaN digital switch power amplifier；Or
Person, multiple GaN radio-frequency power amplifiers are GaN wideband power amplifer；Alternatively, multiple GaN radio-frequency power amplifiers are GaN
Any combination of linear power amplifier, GaN digital switch power amplifier and GaN wideband power amplifer.
In implementation, battery unit 1 and battery management unit 2 have various structures.It is illustrated below with reference to Fig. 2 and Fig. 3.
Referring to fig. 2, Fig. 2 is the structural schematic diagram of another handheld device disclosed by the invention.The handheld device includes electricity
Pool unit 1, battery management unit 2, digital processing element 3, GaN radio-frequency power amplifier 4, antenna 5 and transmitter 6.
Wherein:
GaN radio-frequency power amplifier 4 is connect with transmitter 6, antenna 5 and digital processing element 3 respectively.
Transmitter 6 is connect with digital processing element 3.
Battery unit 1 includes multiple batteries, and the battery in battery unit 1 is sequentially connected in series to form battery strings, the battery
The cathode of string is grounded.In Fig. 2, battery in battery unit respectively with Section 1, Section 2 ... N-1 section, N feast-brand mark show, the
The cathode of 1 batteries is the cathode of battery strings.
Battery management unit 2 includes multiple switch pipe, and there are battery management unit 2 first supplying channels 21 and second to supply
Electric channel 22.Wherein, the first supplying channels 21 are connect with the feeder ear of GaN radio-frequency power amplifier 4, the second supplying channels 22 with
The feeder ear connection of the feeder ear and transmitter 6 of digital processing element 3.
The control terminal of each switching tube is connect with digital processing element 3 in battery management unit 2.It is each in battery unit 1
The anode of battery is connected to the first supplying channels 21 by a switching tube.Second supplying channels 22 with it is specific in battery unit 1
The anode connection of battery, in Fig. 2, the second supplying channels 22 are connect with the anode of Section 1 battery.
Digital processing element 3 controls battery management unit 2 for handling signal of communication, so as to battery management
Unit 2 adjusts the series-parallel relationship of the battery in battery unit 1.Specific: digital processing element 3 is put according to GaN radio-frequency power
The power demands of big device 4 adjust the on off operating mode of each switching tube, only have a switching tube in synchronization, multiple switch pipe
In the conductive state, other switching tubes are in off state.
Such as: supply voltage needed for the voltage and GaN radio-frequency power amplifier 4 after Section 1 battery to Section 5 battery series connection
In matched situation, digital processing element 3 is controlled to be connected with the switching tube of the anode connection of the 5th batteries, controls other switches
Pipe shutdown.
Present invention handheld device shown in Fig. 2, battery unit include multiple concatenated batteries, and battery management unit includes more
A switching tube, the first supplying channels and the second supplying channels.The anode of each battery in battery unit passes through a switching tube
The first supplying channels are connected to, the feeder ear of GaN radio-frequency power amplifier is connect with the first supplying channels, and digital processing element is logical
Cross the operation of control switch pipe, so that it may which controlling all or part of battery series connection in battery unit is that GaN radio-frequency power amplifies
Device power supply, or only by a battery be GaN radio-frequency power amplifier power, to be provided for GaN radio-frequency power amplifier suitable
The supply voltage matched.In addition, the anode connection of the second supplying channels and particular battery in battery management unit, is digital processing
Unit and transmitter power supply.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of another handheld device disclosed by the invention.The handheld device includes electricity
Pool unit 1, battery management unit 2, digital processing element 3, GaN radio-frequency power amplifier 4, antenna 5 and transmitter 6.
Wherein:
GaN radio-frequency power amplifier 4 is connect with transmitter 6, antenna 5 and digital processing element 3 respectively.
Transmitter 6 is connect with digital processing element 3.
Battery unit 1 includes multiple batteries.In Fig. 3, battery in battery unit respectively with Section 1, Section 2 ...
N-1 section, N feast-brand mark show.
Battery management unit 2 includes multiple switch pipe, and battery management unit 2 has the first supplying channels 21 and second
Supplying channels 22, the first supplying channels 21 are connect with the feeder ear of GaN radio-frequency power amplifier 4, the second supplying channels 22 and number
The feeder ear connection of the feeder ear and transmitter 6 of word processing unit 3.
The control terminal of multiple switch pipe is connect with digital processing element 3 in battery management unit 2.It is adjacent in battery unit 1
A switching tube is connected between the anode and cathode of two batteries.For Section 2 battery to n-th batteries, the anode of each battery is each
The first supplying channels 21 are connected to by a switching tube, the cathode of each battery respectively passes through a switching tube ground connection.Section 1 electricity
The anode in pond is connected to the first supplying channels 21, the cathode ground connection of Section 1 battery by a switching tube.Second supplying channels 22
It is connect with the anode of particular battery in battery unit 1, in Fig. 3, the second supplying channels 22 are connect with the anode of Section 1 battery.
It, can also be in the following way in implementation: being connected between the anode and cathode of two neighboring battery in battery unit
The anode of one switching tube, each battery is connected to the first supplying channels 21 by a switching tube, and the cathode of each battery is logical
It crosses a switching tube and is connected to the second supplying channels 22.
Below in handheld device operational process, the control process of digital processing element 3 is illustrated.
The first control mode:
The control of digital processing element 3 is located at the i-th batteries to the switching tube conducting between the i-th+m batteries, control connection
Switching tube between the cathode and ground terminal of the i-th batteries is connected, and controls the switching tube connecting with the anode of the i-th+m batteries
Conducting controls the shutdown of other switching tubes, at this point, being GaN radio-frequency power amplifier 4 by the series connection of the i-th batteries to the i-th+m batteries
Power supply.Wherein, i is the positive integer no more than N, and i+m is not more than N.
Such as: control is located at Section 1 battery to the switching tube conducting between Section 3 battery, and control and Section 3 battery are just
The switching tube conducting of pole connection, controls the shutdown of other switching tubes.It is penetrated at this point, being connected by Section 1 battery to Section 3 battery for GaN
Frequency power amplifier 4 is powered.
Such as: control is located at Section 2 battery to the switching tube conducting between Section 5 battery, and control is connected to Section 2 battery
Cathode and ground terminal between switching tube conducting, control with Section 5 battery anode connect switching tube be connected, control other
Switching tube shutdown.At this point, being that GaN radio-frequency power amplifier 4 is powered by Section 2 battery to Section 5 battery series connection.
Such as: control is located at Section 1 battery to the switching tube conducting between n-th batteries, and control and n-th batteries are just
The switching tube conducting of pole connection, controls the shutdown of other switching tubes.It is penetrated at this point, being connected by Section 1 battery to n-th batteries for GaN
Frequency power amplifier 4 is powered, that is, whole battery series connection is that GaN radio-frequency power amplifier 4 is powered.
Certainly, digital processing element 3 is only controlled is connected with the switching tube of the anode connection of Section 1 battery, also possible,
It is at this time that GaN radio-frequency power amplifier 4 is powered by Section 1 battery.
Second of control mode:
Switching tube of the control of digital processing element 3 between two neighboring battery is turned off, and is controlling all batteries just
The switching tube conducting that the positive and negative anodes of switching tube conducting or control section battery that cathode is connected are connected.
It is turned off controlling switching tube positioned at two neighboring battery between, all batteries are being just in control battery unit 1
When the switching tube that cathode is connected is both turned on, the effect that reaches are as follows: all batteries parallel connection is GaN radio frequency function in battery unit 1
Rate amplifier 4 is powered, so that the electricity of single voltage maximizes.
It is turned off in the switching tube controlled between two neighboring battery, percentage of batteries is positive and negative in control battery unit
When the switching tube that pole is connected is both turned on, the effect that reaches are as follows: the percentage of batteries parallel connection in battery unit 1 is GaN radio frequency function
Rate amplifier 4 is powered.Such as: 3 battery parallel connections in control battery unit 1 are the power supply of GaN radio-frequency power amplifier 4.
Certainly, the switching tube conducting that the positive and negative anodes that digital processing element 3 only controls 1 battery are connected, it is also possible,
It is at this time that GaN radio-frequency power amplifier 4 is powered by the battery.
The third control mode:
Battery in battery unit 1 is divided into multiple battery packs by digital processing element 3, wherein each battery pack includes
Number of batteries is consistent, and each battery in a battery pack can be sequentially connected in series by switching tube.Digital processing element 3 controls
All or part of battery pack parallel connection is the power supply of GaN radio-frequency power amplifier 4.
Such as: Section 1 battery to Section 3 battery is divided into a battery pack, Section 4 battery to Section 6 battery is drawn
Be divided into a battery pack, for other batteries, and so on divided.
It is of course also possible to only be divided to the percentage of batteries in battery unit, as long as guaranteeing that each battery pack includes
Number of batteries is consistent, and each battery in a battery pack can be sequentially connected in series by switching tube.Such as: extremely by Section 2
Section 5 battery is divided into a battery pack, and Section 7 battery to Section 10 battery is divided into a battery pack.
Switching tube in 3 control section battery pack of digital processing element or all batteries group between adjacent cell is led
It is logical, it controls the switching tube connected with the cathode of above-mentioned battery pack and is connected, control the switching tube connecting with the anode of above-mentioned battery pack
Conducting controls the shutdown of other switching tubes.Its effect reached are as follows: the battery series connection in a battery pack, it is all or part of
Battery pack parallel connection is the power supply of GaN radio-frequency power amplifier 4, can both provide the power supply electricity being adapted to GaN radio-frequency power amplifier 4
Pressure, can also be improved electric quantity of power supply, thus optimization system performance.
In implementation, digital processing element 3 can control the more battery pack parallel connection of remaining capacity as the amplification of GaN radio-frequency power
Device 4 is powered.
Present invention handheld device shown in Fig. 3, digital processing element by control battery management unit switching tube it is logical
Disconnected state, can control in battery unit battery by it is a variety of it is series-parallel in the form of power for GaN radio-frequency power amplifier.With Fig. 2 institute
Show that handheld device is compared, in the case where providing for GaN radio-frequency power amplifier compared with low suppling voltage, power supply electricity can be improved
Amount, thus optimization system performance.
It should be noted that in Fig. 2 and handheld device shown in Fig. 3, the second supplying channels 22 specifically with battery unit 1
In which battery anode connection, confession needed for being decided by the supply voltage and digital processing element 3 and transmitter 6 of battery
Piezoelectric voltage.
In addition, the second supplying channels 22 can be to be multiple, multiple second supplying channels 22 can be different from battery unit 1
The anode connection of battery, that is to say, that each second supplying channels 22 have different voltage, digital processing element 3 and transmitting
Machine 6 can connect to corresponding second supplying channels 22, to obtain the supply voltage of adaptation.
In addition, other electricity consumption devices in handheld terminal also can connect to corresponding second supplying channels 22, to be
Each electricity consumption device power supply.
Preferably, RF switch can be further set into handheld device shown in Fig. 3 in Fig. 1 of the present invention
7, duplexer 8 and filter 9, GaN radio-frequency power amplifier 4 pass sequentially through filter 9, RF switch 7, duplexer 8 and antenna 5
Connection, as shown in Figure 4.Filter 9 is for being filtered the signal amplified through GaN radio-frequency power amplifier 4.
It should be noted that GaN radio-frequency power amplifier 4, filter 9 and RF switch 7 can form the integrated amplification of GaN
Device module or GaN monolithic integrated microwave circuit.
Preferably, RF switch 7 uses GaN RF switch.The feeder ear of the GaN RF switch and the first power supply
Channel 21 connects, that is, GaN RF switch and GaN radio-frequency power amplifier 4 use identical supply voltage.Alternatively, GaN is penetrated
The feeder ear of frequency switch is connect with the anode of particular battery in battery unit 1.
In addition, battery can use lithium battery, nickel-cadmium cell or graphite in present invention handheld device disclosed above
Alkene battery.In implementation, the form of battery can encapsulate battery for solid state battery, hull cell or liquid.
Battery unit 1 includes the lithium battery that 10 voltages are 3.6V as a preferred method,.Battery management unit 2 is logical
The series-parallel relationship for adjusting each lithium battery is crossed, the power supply of 3.6V to 36V can be provided to GaN radio-frequency power amplifier 4.
As another preferred embodiment, battery unit 1 includes the nickel-cadmium cell that 30 voltages are 1.2V.Battery management unit
2 by adjusting each nickel-cadmium cell series-parallel relationship, can to GaN radio-frequency power amplifier 4 provide 1.2V to 36V power supply.
In addition, digital processing element 3 can use multi-core CPU (central processing in handheld device disclosed above of the invention
Device), chip can also be handled using independent digit.
The operation that battery management unit 2 is controlled by digital processing element 3, the string of battery in battery unit 1 is adjusted with this
Parallel relationship is realized that the wide-range power voltage of 1.2V-36V is adjusted, can be incited somebody to action so as to adjust the output voltage of battery unit 1
The performance of GaN radio-frequency power amplifier or GaN envelope-tracking emission system (referred to as ET) performs to ultimate attainment.In addition, for
For using GaAs radio-frequency power amplifier or using the handheld device of Si (silicon) material radio-frequency power amplifier, it can also adopt
Reach promotion hand with battery unit disclosed by the invention and battery management unit to realize the power supply mode of low pressure dynamic regulation
The purpose of the efficiency of holding equipment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of handheld device characterized by comprising gallium nitride GaN radio-frequency power amplifier, battery unit, battery management
Unit, digital processing element, transmitter and antenna；The GaN radio-frequency power amplifier respectively with the transmitter, the antenna
And the digital processing element connection；The transmitter is connect with the digital processing element；The battery unit includes more
A battery；The battery management unit is connect with the digital processing element and the battery unit respectively, the cell tube
Managing unit has the first supplying channels, and the battery management unit is under the control of the digital processing element, according to the GaN
The power demands of radio-frequency power amplifier adjust the series-parallel relationship of battery in the battery unit, logical by first power supply
Road provides the voltage for capableing of dynamic change for the GaN radio-frequency power amplifier, and the battery management unit is the GaN
The maximum voltage that radio-frequency power amplifier provides is not less than the maximum working voltage of the GaN radio-frequency power amplifier；The number
Word processing unit controls the battery management unit for handling signal of communication, wherein in the battery unit
Multiple batteries are sequentially connected in series to form battery strings, the cathode ground connection of the battery strings；The battery management unit includes multiple switch
Pipe, and the battery management unit also has the second supplying channels, second supplying channels and the digital processing element
The connection of the feeder ear of feeder ear and the transmitter；The control terminal of the multiple switching tube and the digital processing element connect
Connect, the anode of each battery is connected to first supplying channels by a switching tube, second supplying channels with it is described
The anode connection of particular battery in battery unit.
2. handheld device according to claim 1, which is characterized in that the best effort of the GaN radio-frequency power amplifier
Voltage dynamic change with the variation of its output power.
3. handheld device according to claim 2, which is characterized in that the handheld device includes multiple GaN radio-frequency powers
Amplifier；The multiple GaN radio-frequency power amplifier is GaN linear power amplifier；Alternatively, the multiple GaN radio frequency function
Rate amplifier is GaN digital switch power amplifier；Alternatively, the multiple GaN radio-frequency power amplifier is the broadband GaN function
Rate amplifier；Alternatively, the multiple GaN radio-frequency power amplifier is GaN linear power amplifier, GaN digital switch power is put
Any combination of big device and GaN wideband power amplifer.
4. handheld device according to claim 1,2 or 3, which is characterized in that further include filter, RF switch and duplex
Device, the GaN radio-frequency power amplifier pass sequentially through the filter, the RF switch and the duplexer and the antenna
Connection.
5. handheld device according to claim 4, which is characterized in that the GaN radio-frequency power amplifier, the filter
GaN integrated amplifier module or GaN monolithic integrated microwave circuit are formed with the RF switch.
6. handheld device according to claim 4, which is characterized in that the RF switch is GaN RF switch；It is described
The feeder ear of GaN RF switch is connect with first supplying channels；Alternatively, the feeder ear of the GaN RF switch with it is described
The anode connection of particular battery in battery unit.
7. handheld device according to claim 1,2 or 3, which is characterized in that the battery be lithium battery, nickel-cadmium cell or
Person's graphene battery.
8. handheld device according to claim 1,2 or 3, which is characterized in that the battery unit includes that 10 voltages are
The lithium battery of 3.6V or the battery unit include the nickel-cadmium cell that 30 voltages are 1.2V.
9. handheld device according to claim 1,2 or 3, which is characterized in that the digital processing element is multicore center
Processor CPU or independent digit handle chip.
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| CN201510868790.XA CN106253915B (en) | 2015-12-01 | 2015-12-01 | A kind of handheld device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510868790.XA CN106253915B (en) | 2015-12-01 | 2015-12-01 | A kind of handheld device |
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| CN106253915A CN106253915A (en) | 2016-12-21 |
| CN106253915B true CN106253915B (en) | 2018-12-18 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684712A (en) * | 2012-04-25 | 2012-09-19 | 中国工程物理研究院电子工程研究所 | High-efficiency frequency modulation transmitter, circuit structure of power amplifier and design method |
| WO2013147947A2 (en) * | 2011-12-30 | 2013-10-03 | Flir Systems, Inc. | Radar system and related methods |
| CN104521139A (en) * | 2012-09-26 | 2015-04-15 | 夏普株式会社 | Amplifying device, and wireless communication device equipped with amplifying device |
-
2015
- 2015-12-01 CN CN201510868790.XA patent/CN106253915B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013147947A2 (en) * | 2011-12-30 | 2013-10-03 | Flir Systems, Inc. | Radar system and related methods |
| CN102684712A (en) * | 2012-04-25 | 2012-09-19 | 中国工程物理研究院电子工程研究所 | High-efficiency frequency modulation transmitter, circuit structure of power amplifier and design method |
| CN104521139A (en) * | 2012-09-26 | 2015-04-15 | 夏普株式会社 | Amplifying device, and wireless communication device equipped with amplifying device |
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| CN106253915A (en) | 2016-12-21 |
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