CN104967460A - Cell phone device, radio frequency transceiver circuit and impedance adjustment device - Google Patents

Cell phone device, radio frequency transceiver circuit and impedance adjustment device Download PDF

Info

Publication number
CN104967460A
CN104967460A CN201510424768.6A CN201510424768A CN104967460A CN 104967460 A CN104967460 A CN 104967460A CN 201510424768 A CN201510424768 A CN 201510424768A CN 104967460 A CN104967460 A CN 104967460A
Authority
CN
China
Prior art keywords
power amplifier
tuning apparatus
impedence tuning
impedance
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510424768.6A
Other languages
Chinese (zh)
Inventor
许海波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Corp
Original Assignee
KY WIRE ELECTRIC CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KY WIRE ELECTRIC CO Ltd filed Critical KY WIRE ELECTRIC CO Ltd
Priority to CN201910963668.9A priority Critical patent/CN110661543B/en
Priority to CN201510424768.6A priority patent/CN104967460A/en
Publication of CN104967460A publication Critical patent/CN104967460A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a cell phone device, a radio frequency transceiver circuit and an impedance adjustment device. the cell phone device comprises a baseband processor, an antenna, a diplexer and a radio frequency transceiver circuit, wherein the antenna is used for receiving and transmitting a radio frequency signal; the diplexer is electrically connected with the antenna; the radio frequency transceiver circuit is connected with the baseband processor and the diplexer respectively; and the radio frequency transceiver circuit comprises a first power amplifier and an impedance adjustment device. The first power amplifier has first output impedance. The impedance adjustment device is electrically connected between the first power amplifier and the diplexer, and comprises at least one switch. The baseband processor is connected with and controls at least one switch in the impedance adjustment device so as to adjust the impedance value of the impedance adjustment device, and the first load impedance of the first power amplifier is matched with the first output impedance.

Description

Mobile device, radio-frequency transceiver circuitry and impedence tuning apparatus
Technical field
The present invention relates to impedence tuning apparatus, be particularly applied in the impedence tuning apparatus of coupling different capacity amplifier.
Background technology
Among general mobile communications device, radio circuit intermediate power amplifier, such as, wideband pulse-amplitude modulation power amplifier, matched impedance network all adopt the mode of customization to arrange in pairs or groups.Once need to change different power amplifiers, the matched impedance network of customization also must be changed thereupon.Which increase production cost.In view of this, the present invention proposes a kind of impedence tuning apparatus and applies the mobile device of this impedence tuning apparatus.
Summary of the invention
One embodiment of the invention provide a kind of mobile device.This mobile device comprises a baseband processor, an antenna, a duplexer and a radio-frequency transceiver circuitry.This antenna is in order to receive and dispatch multiple radiofrequency signal.This duplexer is electrically connected to this antenna.This radio-frequency transceiver circuitry is connected to this baseband processor and this duplexer respectively.This radio-frequency transceiver circuitry comprises one first power amplifier and an impedence tuning apparatus.This first power amplifier has one first output impedance.This impedence tuning apparatus is electrically connected between this first power amplifier and this duplexer, and comprise at least one switch, wherein this baseband processor connect and this at least one switch controlling this impedence tuning apparatus to adjust a resistance value of this impedence tuning apparatus, one first load impedance of this first power amplifier and this first output impedance are matched each other.
One embodiment of the invention provide a kind of radio-frequency transceiver circuitry.This radio-frequency transceiver circuitry comprises one first power amplifier and an impedence tuning apparatus.This first power amplifier has one first output impedance.This impedence tuning apparatus is electrically connected to this first power amplifier, and comprise at least one switch, wherein this impedence tuning apparatus controls this at least one switch to adjust one of this impedence tuning apparatus resistance value according to one first control signal being received from a baseband processor, and one first load impedance of this first power amplifier and this first output impedance are matched each other.
One embodiment of the invention provide a kind of impedence tuning apparatus, are applicable to coupling one first power amplifier or one second power amplifier.This impedence tuning apparatus comprises one first switch and a second switch.This first and second switch is one first resistance value or one second resistance value in order to switch a resistance value of this impedence tuning apparatus, wherein this resistance value is switched to this first resistance value to adjust one first load impedance of this first power amplifier according to one first control signal being received from a baseband processor by this impedence tuning apparatus, and one first output impedance of this first load impedance and this first power amplifier is matched each other.
Accompanying drawing explanation
Figure 1A and Figure 1B is the block diagram illustrating mobile device 10 of the present invention according to the first embodiment of the present invention.
Fig. 2 A and Fig. 2 B is the block diagram illustrating radio-frequency transceiver circuitry 20 of the present invention according to the second embodiment of the present invention.
Fig. 3 A and Fig. 3 B is the block diagram illustrating impedence tuning apparatus 30 of the present invention according to the third embodiment of the present invention.
Embodiment
Illustrated embodiment appended by the disclosure or example will as described below.The scope of the present disclosure is not as limit.Those skilled in the art should be able to know under the prerequisite not departing from spirit of the present disclosure and framework, when doing a little change, replacement and displacement.In embodiment of the present disclosure, component symbol may be used repeatedly, and connection with several embodiments of the present disclosure may share identical component symbol, but the feature member used for an embodiment must not used by another embodiment.
Figure 1A and Figure 1B is the block diagram illustrating one of the present invention mobile device 10 according to one first embodiment of the present invention.In the first embodiment of the invention, as shown in Figure 1A, mobile device 10 comprises antenna 110, duplexer 120, radio-frequency transceiver circuitry 130 and a baseband processor 140.Antenna 110 is in order to receive and dispatch multiple radiofrequency signal.Duplexer 120 is electrically connected antenna 110 and radio-frequency transceiver circuitry 130 respectively.Radio-frequency transceiver circuitry 130 is electrically connected to baseband processor 140.In the first embodiment of the invention, radio-frequency transceiver circuitry 130 comprises rf processing circuitry 131, low noise amplifier 132,1 first power amplifier 133 and an impedence tuning apparatus 134.Noise in the radiofrequency signal that low noise amplifier 132 receives in order to filtering antenna 110.First 133, power amplifier in order to export to antenna by after the power amplification of radiofrequency signal, and has one first output impedance.Impedence tuning apparatus 134 is electrically connected between the first power amplifier 133 and duplexer 120.The array that impedence tuning apparatus 134 is made up of variable capacitor, inductor and at least one switch, and there is adjustable resistance value.In the first embodiment of the invention, rf processing circuitry 131 comprises the associated radio frequency analog circuits such as mixer, pierce circuit, I/Q modulator circuit, phase-locked loop, frequency demultiplier circuit, IQ demodulator circuit.
In the first embodiment of the invention, baseband processor 140 connects impedence tuning apparatus 134, and this at least one switch of control group adjusting device 134 is to adjust a resistance value of impedence tuning apparatus 134.In the first embodiment of the invention, one first load impedance of the first power amplifier 133 is the equiva lent impedance that an equiva lent impedance of impedence tuning apparatus 134 adds next stage duplexer 120.Therefore, baseband processor 140 moves Industry Processor Interface (Mobile Industry Processor Interface by it; MIPI) this at least one switch of control group adjusting device 134 is to adjust this resistance value of impedence tuning apparatus 134, such as, one first control signal is sent to impedence tuning apparatus 134, and then one first load impedance of the first power amplifier 133 and this first output impedance are matched each other.Now, this first output impedance can equal the conjugate impedance of this first load impedance, makes the first power amplifier 133 be transferred to the energy of this first load impedance maximum.In addition, in the first embodiment of the invention, designer can calculate this resistance value of the impedence tuning apparatus 134 needed for mating with this first output impedance in advance according to the former figure of Smith.
In the first embodiment of the invention, as shown in Figure 1B, when the designer of mobile device 10 considers the first power amplifier 133 in mobile device 10 to be replaced into one second power amplifier 135 such as based on design, the power amplifier of another frequency band of displacement is considered based on frequency band, time, the designer of mobile device 10 sets baseband processor 140, makes baseband processor 140 pairs of impedence tuning apparatus 134 send one second control signal.Now, impedence tuning apparatus 134, according to this resistance value of this second control signal adjustment impedence tuning apparatus 134, makes one second load impedance of the second power amplifier 135 and one second output impedance of the second power amplifier 135 match each other.In the first embodiment of the invention, one second load impedance of the second power amplifier 135 is the equiva lent impedance that one of impedence tuning apparatus 134 equiva lent impedance adds next stage duplexer 120.Now, this second output impedance can equal the conjugate impedance of this second load impedance, makes the second power amplifier 135 be transferred to the energy of this second load impedance maximum.In addition, in the first embodiment of the invention, designer can calculate this resistance value of the impedence tuning apparatus 134 needed for mating with this second output impedance in advance according to the former figure of Smith.
Fig. 2 A and Fig. 2 B is the block diagram illustrating one of the present invention radio-frequency transceiver circuitry 20 according to one second embodiment of the present invention.In second embodiment of the invention, as shown in Figure 2 A, radio-frequency transceiver circuitry 20 comprises one first power amplifier 21 and an impedence tuning apparatus 22.First power amplifier 21 has one first output impedance, and is electrically connected to impedence tuning apparatus 22.The array that impedence tuning apparatus 22 is made up of variable capacitor, inductor and at least one switch, and there is adjustable resistance value.In second embodiment of the invention, impedence tuning apparatus 22, according to being received from least one switch of one first control signal control group adjusting device 22 of a baseband processor 23 to adjust the resistance value of himself, makes one first load impedance of the first power amplifier 21 and this first output impedance match each other.Now, this first output impedance can equal the conjugate impedance of this first load impedance, makes the first power amplifier 21 be transferred to the energy of this first load impedance maximum.
In second embodiment of the invention, as shown in Figure 2 B, when the first power amplifier 21 in radio-frequency transceiver circuitry 20 is replaced into second power amplifier 24, impedence tuning apparatus 22 controls this at least one switch to adjust the resistance value of himself according to one second control signal being received from baseband processor 23, and one second load impedance of this second power amplifier 24 and one second output impedance of the second power amplifier 24 match each other.Now, this second output impedance can equal the conjugate impedance of this second load impedance, makes the second power amplifier 24 be transferred to the energy of this second load impedance maximum.
Fig. 3 A and Fig. 3 B is the block diagram illustrating an impedence tuning apparatus 30 of the present invention according to of the present invention 1 the 3rd embodiment.In third embodiment of the invention, as shown in Figure 3A, impedence tuning apparatus 30 comprises one first switch 301, second switch 302,1 first impedance 303 and one second impedance 304.As shown in Figure 3A, the first switch 301 and second switch 302 are electrically connected to the first impedance 303 and the second impedance 304 separately.Impedence tuning apparatus 30 by switching first switch 301 and second switch 302 to provide the first impedance 303 or the second impedance 304, and the load impedance using it as one first power amplifier 31.In third embodiment of the invention, impedence tuning apparatus 30 is according to one first control signal conducting first switch 301 being received from a baseband processor 32 and close second switch 302 to provide the first impedance 303, and one first output impedance of the first impedance 303 and the first power amplifier 31 is matched each other.In addition, in third embodiment of the invention, designer can calculate this resistance value of the first impedance 303 needed for mating with this first output impedance in advance according to the former figure of Smith.
In third embodiment of the invention, as shown in Figure 3 B, when impedence tuning apparatus 30 uses second output impedance in coupling one second power amplifier 33 instead, impedence tuning apparatus 30 is according to the one second control signal conducting second switch 302 being received from baseband processor 32 and close the first switch 301 to provide the second impedance 304, and one second output impedance of the second impedance 304 and the second power amplifier 33 is matched each other.In addition, in third embodiment of the invention, designer can calculate this resistance value of the second impedance 304 needed for mating with this second output impedance in advance according to the former figure of Smith.
Impedence tuning apparatus described in of the present invention first to the 3rd embodiment can be applied among general radio frequency transmitter circuit, and can as the load impedance mated with each power amplifier in radio frequency transmitter circuit.Such as, all employ multiple power amplifier being applied in different bandwidth in the portable radio device of general LTE or CDMA, among the replacing of designer's wish during certain several power amplifier, the matched impedance network of arranging in pairs or groups with power amplifier also needs to change thereupon.Now, if impedence tuning apparatus of the present invention to be equipped on respectively the load end of each power amplifier, then designer only need send a control signal to impedence tuning apparatus to adjust its resistance value by baseband processor, and does not need the matched impedance network that replacing power amplifier is arranged in pairs or groups.Therefore, apply impedence tuning apparatus of the present invention and the designer of radio-frequency unit can be allowed when intending to change different capacity amplifier, do not need the impedance matching network changed in the lump corresponding to power amplifier and effectively can save development cost.In addition, the matched impedance that the impedence tuning apparatus visual user Demand Design many groups described in the of the present invention first to the 3rd embodiment is different, its number viewable design person demand changes.
Though the present invention with preferred embodiment openly as above, makes those skilled in the art can more clearly understand content of the present invention.But, it will be understood by those skilled in the art that they can easily with the present invention as basis, design or modification process and use mobile device, radio-frequency transceiver circuitry and impedence tuning apparatus carry out identical object and/or reach the same advantage of embodiment presented here.Therefore protection scope of the present invention is when being as the criterion depending on appended claims confining spectrum.

Claims (8)

1. a mobile device, comprising:
Baseband processor;
Antenna, in order to receive and dispatch multiple radiofrequency signal;
Duplexer, is electrically connected to this antenna; And
Radio-frequency transceiver circuitry, be connected to this baseband processor and this duplexer respectively, this radio-frequency transceiver circuitry comprises:
First power amplifier, has the first output impedance; And
Impedence tuning apparatus, be electrically connected between this first power amplifier and this duplexer, wherein this impedence tuning apparatus comprises at least one switch; And
Wherein this baseband processor connect and this at least one switch controlling this impedence tuning apparatus to adjust the resistance value of this impedence tuning apparatus, the first load impedance of this first power amplifier and this first output impedance are matched each other.
2. mobile device as claimed in claim 1, wherein this baseband processor controls this at least one switch of this impedence tuning apparatus by the mobile Industry Processor Interface of this baseband processor.
3. mobile device as claimed in claim 1, wherein when this first power amplifier in this mobile device is replaced into the second power amplifier, this baseband processor controls this impedence tuning apparatus to adjust this resistance value of this impedence tuning apparatus, and the second load impedance of this second power amplifier and the second output impedance of this second power amplifier are matched each other.
4. a radio-frequency transceiver circuitry, comprising:
First power amplifier, has the first output impedance; And
Impedence tuning apparatus, be electrically connected to this first power amplifier, wherein this impedence tuning apparatus comprises at least one switch; And
Wherein this impedence tuning apparatus controls this at least one switch to adjust the resistance value of this impedence tuning apparatus according to the first control signal being received from baseband processor, and the first load impedance of this first power amplifier and this first output impedance are matched each other.
5. radio-frequency transceiver circuitry as claimed in claim 4, wherein this baseband processor sends this first control signal by mobile Industry Processor Interface.
6. radio-frequency transceiver circuitry as claimed in claim 4, wherein when this first power amplifier in this radio-frequency transceiver circuitry is replaced into the second power amplifier, this impedence tuning apparatus controls this at least one switch to adjust this resistance value of this impedence tuning apparatus according to the second control signal being received from this baseband processor, and one second load impedance of this second power amplifier and the second output impedance of this second power amplifier are matched each other.
7. an impedence tuning apparatus, be applicable to coupling first power amplifier or the second power amplifier, this impedence tuning apparatus comprises:
First switch and second switch, be the first resistance value or the second resistance value in order to switch the resistance value of this impedence tuning apparatus, wherein this resistance value is switched to this first resistance value to adjust the first load impedance of this first power amplifier according to the first control signal being received from baseband processor by this impedence tuning apparatus, and one first output impedance of this first load impedance and this first power amplifier is matched each other.
8. impedence tuning apparatus as claimed in claim 7, wherein when this impedence tuning apparatus uses the second output impedance in coupling second power amplifier instead, this impedence tuning apparatus controls this resistance value to switch to this second resistance value to adjust the second load impedance of this second power amplifier according to the second control signal being received from this baseband processor, and the second output impedance of this second load impedance and this second power amplifier is matched each other.
CN201510424768.6A 2015-07-17 2015-07-17 Cell phone device, radio frequency transceiver circuit and impedance adjustment device Pending CN104967460A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910963668.9A CN110661543B (en) 2015-07-17 2015-07-17 Mobile phone device, radio frequency transceiver circuit and impedance adjusting device
CN201510424768.6A CN104967460A (en) 2015-07-17 2015-07-17 Cell phone device, radio frequency transceiver circuit and impedance adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510424768.6A CN104967460A (en) 2015-07-17 2015-07-17 Cell phone device, radio frequency transceiver circuit and impedance adjustment device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201910963668.9A Division CN110661543B (en) 2015-07-17 2015-07-17 Mobile phone device, radio frequency transceiver circuit and impedance adjusting device

Publications (1)

Publication Number Publication Date
CN104967460A true CN104967460A (en) 2015-10-07

Family

ID=54221419

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201510424768.6A Pending CN104967460A (en) 2015-07-17 2015-07-17 Cell phone device, radio frequency transceiver circuit and impedance adjustment device
CN201910963668.9A Active CN110661543B (en) 2015-07-17 2015-07-17 Mobile phone device, radio frequency transceiver circuit and impedance adjusting device

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201910963668.9A Active CN110661543B (en) 2015-07-17 2015-07-17 Mobile phone device, radio frequency transceiver circuit and impedance adjusting device

Country Status (1)

Country Link
CN (2) CN104967460A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114826313A (en) * 2021-01-11 2022-07-29 炬芯科技股份有限公司 Radio frequency circuit, touch detection method of radio frequency circuit and wearable device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113541632A (en) * 2021-06-29 2021-10-22 深圳市广和通无线股份有限公司 Impedance adjustable circuit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070135062A1 (en) * 2005-12-14 2007-06-14 Samsung Electronics Co., Ltd. Apparatus for automatically matching frequency of antenna in wireless terminal and method thereof
CN101005289A (en) * 2005-12-14 2007-07-25 三星电子株式会社 Apparatus for automatically matching frequency of antenna in wireless terminal and method of using the same
WO2013063938A1 (en) * 2011-11-04 2013-05-10 中兴通讯股份有限公司 Power amplification module, multi-mode radio frequency transceiver, duplexer and multi-mode terminal
CN103312278A (en) * 2013-05-10 2013-09-18 华中科技大学 Power control system for radio-frequency power amplifier
CN103428829A (en) * 2012-05-14 2013-12-04 联想(北京)有限公司 Method for optimizing communication terminal power consumption and communication terminal
CN103546188A (en) * 2013-10-30 2014-01-29 西安乾易企业管理咨询有限公司 Wireless mobile terminal of self-tuning antenna and adjusting method of self-tuning antenna

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7379714B2 (en) * 2004-04-02 2008-05-27 Interdigital Technology Corporation Method and apparatus for dynamically adjusting a transmitter's impedance
US7420425B2 (en) * 2006-09-28 2008-09-02 Via Technologies, Inc. Power amplifier and method thereof
CN101478291A (en) * 2008-10-24 2009-07-08 锐迪科微电子(上海)有限公司 Radio frequency power amplifier circuit and radio frequency power amplifying method
JP5672098B2 (en) * 2011-03-18 2015-02-18 富士通株式会社 Wireless terminal device
US8638156B2 (en) * 2011-08-05 2014-01-28 Analog Devices, Inc. Multi-output-resistance switch driver circuits

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070135062A1 (en) * 2005-12-14 2007-06-14 Samsung Electronics Co., Ltd. Apparatus for automatically matching frequency of antenna in wireless terminal and method thereof
CN101005289A (en) * 2005-12-14 2007-07-25 三星电子株式会社 Apparatus for automatically matching frequency of antenna in wireless terminal and method of using the same
WO2013063938A1 (en) * 2011-11-04 2013-05-10 中兴通讯股份有限公司 Power amplification module, multi-mode radio frequency transceiver, duplexer and multi-mode terminal
CN103428829A (en) * 2012-05-14 2013-12-04 联想(北京)有限公司 Method for optimizing communication terminal power consumption and communication terminal
CN103312278A (en) * 2013-05-10 2013-09-18 华中科技大学 Power control system for radio-frequency power amplifier
CN103546188A (en) * 2013-10-30 2014-01-29 西安乾易企业管理咨询有限公司 Wireless mobile terminal of self-tuning antenna and adjusting method of self-tuning antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114826313A (en) * 2021-01-11 2022-07-29 炬芯科技股份有限公司 Radio frequency circuit, touch detection method of radio frequency circuit and wearable device
CN114826313B (en) * 2021-01-11 2024-01-09 炬芯科技股份有限公司 Radio frequency circuit, touch detection method of radio frequency circuit and wearable device

Also Published As

Publication number Publication date
CN110661543A (en) 2020-01-07
CN110661543B (en) 2021-07-06

Similar Documents

Publication Publication Date Title
US8712348B2 (en) Apparatus and method for controlling a tunable matching network in a wireless network
KR102362459B1 (en) Adaptive load for coupler in broadband multimode multi-band front end module
US8942641B2 (en) Antenna apparatus and communication apparatus
US10164668B2 (en) Mobile device, radio transceiver circuit, and impedance adjustment device
CN101459442B (en) Method and system for processing communication signal
EP2424119A1 (en) Antenna module and impedance matching method thereof
CN108365860B (en) Terminal equipment
TWI724360B (en) Antenna apparatus, electronic apparatus and antenna modification method
JP2012039637A (en) Dual band radio frequency transmitter
CN105471490B (en) Repeater and signal processing method thereof
EP3082268B1 (en) Broadband signal receiving method and device, radio-frequency processing unit and broadband antenna
CN104320154A (en) Multimode multi-frequency front end device
KR100946098B1 (en) Wireless communication apparatus of time division type
CN104967460A (en) Cell phone device, radio frequency transceiver circuit and impedance adjustment device
CN104518812B (en) A kind of mobile terminal switching antenna and its switching method
CN105227198B (en) A kind of antenna system and mobile terminal
KR102194705B1 (en) Band selection switch circuit and amplifying device
TWI462537B (en) Communication apparatus and radio frequency equalizer
US11277165B2 (en) Radio frequency front-end transmission module, chip, and communications terminal
CN105990683B (en) Device and method for adjusting antenna
KR101641019B1 (en) Variable Attenuator System
US9484963B2 (en) Multi-mode and multi-band front-end device
JP2015204604A (en) Communication circuit and electronic apparatus
CN111162814A (en) Impedance adjuster, radio frequency circuit and electronic equipment
CN204145467U (en) A kind of mobile communication intermediate frequency far-drawing system radio-frequency transmitter chip structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20160728

Address after: American California

Applicant after: Intel Corporation

Address before: The Cayman Islands, British West Indies

Applicant before: Ky Wire Electric Co., Ltd.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20151007