IN2014CN04334A - - Google Patents

Info

Publication number
IN2014CN04334A
IN2014CN04334A IN4334CHN2014A IN2014CN04334A IN 2014CN04334 A IN2014CN04334 A IN 2014CN04334A IN 4334CHN2014 A IN4334CHN2014 A IN 4334CHN2014A IN 2014CN04334 A IN2014CN04334 A IN 2014CN04334A
Authority
IN
India
Prior art keywords
efficiency
baseband filter
upconverter
configurable
operate
Prior art date
Application number
Other languages
English (en)
Inventor
Bhushan Shanti Asuri
Ibrahim Ramez Chamas
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2014CN04334A publication Critical patent/IN2014CN04334A/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14Balanced arrangements
    • H03D7/1425Balanced arrangements with transistors
    • H03D7/1441Balanced arrangements with transistors using field-effect transistors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14Balanced arrangements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041Functional aspects of demodulators
    • H03D2200/0084Lowering the supply voltage and saving power

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
IN4334CHN2014 2012-01-18 2013-01-18 IN2014CN04334A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/353,050 US8781411B2 (en) 2012-01-18 2012-01-18 Baseband filter and upconverter with configurable efficiency for wireless transmitters
PCT/US2013/022216 WO2013109937A1 (en) 2012-01-18 2013-01-18 Baseband filter and upconverter with configurable efficiency for wireless transmitters

Publications (1)

Publication Number Publication Date
IN2014CN04334A true IN2014CN04334A (zh) 2015-09-04

Family

ID=47684024

Family Applications (1)

Application Number Title Priority Date Filing Date
IN4334CHN2014 IN2014CN04334A (zh) 2012-01-18 2013-01-18

Country Status (7)

Country Link
US (1) US8781411B2 (zh)
EP (1) EP2805411B1 (zh)
JP (1) JP5813889B2 (zh)
KR (1) KR101617821B1 (zh)
CN (1) CN104081660B (zh)
IN (1) IN2014CN04334A (zh)
WO (1) WO2013109937A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9160309B2 (en) * 2013-12-11 2015-10-13 Qualcomm Incorporated Area efficient baseband filter
US9647639B1 (en) 2015-11-13 2017-05-09 Qualcomm Incorporated Baseband filters and interfaces between a digital-to-analog converter and a baseband filter
US11387933B2 (en) 2020-01-31 2022-07-12 Qualcomm Incorporated Dynamic transmission front end and digital-to-analog converter in modem
US11736091B2 (en) * 2021-12-20 2023-08-22 International Business Machines Corporation Baseband filter for current-mode signal path

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3414454B2 (ja) * 1993-10-01 2003-06-09 ソニー株式会社 アンプのバイアス回路
JPH08139542A (ja) * 1994-11-04 1996-05-31 Toshiba Corp 半導体電力増幅器
US5926060A (en) * 1996-05-10 1999-07-20 National Semiconductor Corporation Mirror model for designing a continuous-time filter with reduced filter noise
US6037825A (en) * 1997-11-04 2000-03-14 Nortel Networks Corporation Tree mixer operable in class A, B or AB
US6185263B1 (en) 1998-11-09 2001-02-06 Broadcom Corporation Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
US6615028B1 (en) * 1998-12-29 2003-09-02 Skyworks Solutions, Inc. System and method for selecting amplifiers in a communications device
US6768391B1 (en) 2000-06-22 2004-07-27 Ericsson Inc. Class-B biased gilbert cells and quadrature modulators
IL155261A0 (en) * 2000-10-10 2003-11-23 Qualcomm Inc Adjustment of bias current in a first integrated circuit based on a signal gain of a second integrated circuit
EP1330872B1 (en) * 2000-11-03 2008-11-26 QUALCOMM Incorporated Adjustment of transmitter bias current based on transmitter gain
US6515541B2 (en) * 2001-06-13 2003-02-04 Skyworks Solutions, Inc. Multi-level power amplifier
US7151947B2 (en) * 2002-05-08 2006-12-19 Motorola, Inc. Method and apparatus for controlling transmission power associated with a transmitting unit
KR100630340B1 (ko) * 2002-05-22 2006-10-02 학교법인 한국정보통신학원 전력증폭기의 바이어스 제어 회로
US20040127173A1 (en) * 2002-12-30 2004-07-01 Motorola, Inc. Multiple mode transmitter
US6967574B1 (en) * 2003-01-21 2005-11-22 The Johns Hopkins University Multi-mode electromagnetic target discriminator sensor system and method of operation thereof
EP1450479B1 (en) * 2003-02-20 2012-03-28 Sony Ericsson Mobile Communications AB Efficient modulation of RF signals
JP2005045440A (ja) * 2003-07-25 2005-02-17 Toshiba Corp 電力増幅器及びこれを用いた無線通信装置
JP2005167805A (ja) 2003-12-04 2005-06-23 Matsushita Electric Ind Co Ltd 送信機
US7248120B2 (en) 2004-06-23 2007-07-24 Peregrine Semiconductor Corporation Stacked transistor method and apparatus
KR100674913B1 (ko) * 2004-09-24 2007-01-26 삼성전자주식회사 캐스코드 형태의 클래스 ab 제어단을 구비하는 차동증폭 회로
US7262657B2 (en) * 2005-03-21 2007-08-28 Skyworks Solutions, Inc. Bias control for reducing amplifier power consumption and maintaining linearity
US20070014382A1 (en) 2005-07-15 2007-01-18 Nokia Corporation Reconfigurable transmitter
CN101310436B (zh) * 2005-11-18 2011-10-12 Nxp股份有限公司 具有共模控制的极化调制设备和方法
US7508236B2 (en) 2006-08-18 2009-03-24 Infineon Technologies Ag Line driver device
US7456773B1 (en) 2007-06-14 2008-11-25 Qualcomm Incorporated Pseudo-differential class-AB digital-to-analog converter with code dependent DC current
KR100882881B1 (ko) * 2007-08-24 2009-02-10 전자부품연구원 무선통신 시스템의 송신 장치 및 방법
US8599938B2 (en) * 2007-09-14 2013-12-03 Qualcomm Incorporated Linear and polar dual mode transmitter circuit
US7941115B2 (en) * 2007-09-14 2011-05-10 Qualcomm Incorporated Mixer with high output power accuracy and low local oscillator leakage
JP5065493B2 (ja) * 2007-09-14 2012-10-31 クゥアルコム・インコーポレイテッド 調整可能なサイズを有する局部発振器バッファ及びミキサ
US8095092B2 (en) * 2008-06-26 2012-01-10 Infineon Technologies Ag Power efficient transmitter with high dynamic range
US8140030B2 (en) * 2008-09-12 2012-03-20 Panasonic Corporation Adaptive impedance converter adaptively controls load impedance
US20100074131A1 (en) * 2008-09-22 2010-03-25 Texas Instruments Incorporated Power offset for cqi reporting
WO2010082957A1 (en) * 2009-01-19 2010-07-22 Skyworks Solutions, Inc. Programmable transmit continuous-time filter
US7902937B2 (en) 2009-08-03 2011-03-08 Telefonaktiebolaget Lm Ericsson (Publ) Positive coefficient weighted quadrature modulation method and apparatus
US8417198B1 (en) * 2009-10-28 2013-04-09 Marvell International Ltd. Selection of closed-loop/open-loop power control in user equipment
US9026059B2 (en) * 2011-02-17 2015-05-05 Futurewei Technologies, Inc. Adaptive maximum power limiting using capacitive sensing in a wireless device
US8520550B2 (en) * 2011-11-03 2013-08-27 Xw Llc Intra-cell and inter-cell interference mitigation methods for orthogonal frequency-division multiple access cellular networks

Also Published As

Publication number Publication date
CN104081660B (zh) 2017-10-20
CN104081660A (zh) 2014-10-01
JP2015504295A (ja) 2015-02-05
KR20140116508A (ko) 2014-10-02
JP5813889B2 (ja) 2015-11-17
EP2805411A1 (en) 2014-11-26
US20130183914A1 (en) 2013-07-18
WO2013109937A1 (en) 2013-07-25
EP2805411B1 (en) 2016-09-14
KR101617821B1 (ko) 2016-05-03
US8781411B2 (en) 2014-07-15

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