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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/14—Balanced arrangements
- H03D7/1425—Balanced arrangements with transistors
- H03D7/1441—Balanced arrangements with transistors using field-effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/14—Balanced arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0084—Lowering the supply voltage and saving power
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Abstract
A baseband filter and upconverter with configurable efficiency for use in wireless transmitters is disclosed. In an exemplary embodiment an apparatus is provided that includes a baseband filter having configurable efficiency and an upconverter having configurable efficiency and coupled to the baseband filter. The baseband filter and upconverter are configured to operate at a first efficiency level in a first output power range and to operate at a second efficiency level in a second output power range.
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 (en) | 2015-09-04 |
Family
ID=47684024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN4334CHN2014 IN2014CN04334A (en) | 2012-01-18 | 2013-01-18 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8781411B2 (en) |
EP (1) | EP2805411B1 (en) |
JP (1) | JP5813889B2 (en) |
KR (1) | KR101617821B1 (en) |
CN (1) | CN104081660B (en) |
IN (1) | IN2014CN04334A (en) |
WO (1) | WO2013109937A1 (en) |
Families Citing this family (4)
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)
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JP3414454B2 (en) * | 1993-10-01 | 2003-06-09 | ソニー株式会社 | Amplifier bias circuit |
JPH08139542A (en) * | 1994-11-04 | 1996-05-31 | Toshiba Corp | Semiconductor power amplifier |
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 |
BR0114547A (en) * | 2000-10-10 | 2006-05-09 | Qualcomm Inc | bias current adjustment on a first integrated circuit based on a signal gain from a second integrated circuit |
ATE415736T1 (en) * | 2000-11-03 | 2008-12-15 | Qualcomm Inc | BIAS ADJUSTMENT OF A DATA TRANSMISSION AND RECEPTION SYSTEM USING TRANSMISSION 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 (en) * | 2002-05-22 | 2006-10-02 | 학교법인 한국정보통신학원 | Bias control circuit for power amplifier |
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 |
ATE551773T1 (en) * | 2003-02-20 | 2012-04-15 | Sony Ericsson Mobile Comm Ab | EFFICIENT MODULATION OF HIGH FREQUENCY SIGNALS |
JP2005045440A (en) * | 2003-07-25 | 2005-02-17 | Toshiba Corp | Power amplifier and radio communication apparatus using the same |
JP2005167805A (en) | 2003-12-04 | 2005-06-23 | Matsushita Electric Ind Co Ltd | Transmitter |
US7248120B2 (en) | 2004-06-23 | 2007-07-24 | Peregrine Semiconductor Corporation | Stacked transistor method and apparatus |
KR100674913B1 (en) * | 2004-09-24 | 2007-01-26 | 삼성전자주식회사 | Differential amplifier having cascode class AB control stage |
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 (en) * | 2005-11-18 | 2011-10-12 | Nxp股份有限公司 | Polar modulation apparatus and method with common-mode control |
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 (en) * | 2007-08-24 | 2009-02-10 | 전자부품연구원 | Transmitter and transmission method thereof in wireless communication system |
US8599938B2 (en) * | 2007-09-14 | 2013-12-03 | Qualcomm Incorporated | Linear and polar dual mode transmitter circuit |
EP3565114A1 (en) * | 2007-09-14 | 2019-11-06 | Qualcomm Incorporated | Local oscillator buffer and mixer having adjustable size |
US7941115B2 (en) * | 2007-09-14 | 2011-05-10 | Qualcomm Incorporated | Mixer with high output power accuracy and low local oscillator leakage |
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 |
-
2012
- 2012-01-18 US US13/353,050 patent/US8781411B2/en active Active
-
2013
- 2013-01-18 IN IN4334CHN2014 patent/IN2014CN04334A/en unknown
- 2013-01-18 KR KR1020147022877A patent/KR101617821B1/en active IP Right Grant
- 2013-01-18 EP EP13703661.2A patent/EP2805411B1/en active Active
- 2013-01-18 CN CN201380005700.3A patent/CN104081660B/en active Active
- 2013-01-18 JP JP2014553472A patent/JP5813889B2/en active Active
- 2013-01-18 WO PCT/US2013/022216 patent/WO2013109937A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR101617821B1 (en) | 2016-05-03 |
EP2805411A1 (en) | 2014-11-26 |
CN104081660A (en) | 2014-10-01 |
US20130183914A1 (en) | 2013-07-18 |
KR20140116508A (en) | 2014-10-02 |
CN104081660B (en) | 2017-10-20 |
US8781411B2 (en) | 2014-07-15 |
WO2013109937A1 (en) | 2013-07-25 |
JP5813889B2 (en) | 2015-11-17 |
JP2015504295A (en) | 2015-02-05 |
EP2805411B1 (en) | 2016-09-14 |
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