SE9802520L - Förfarande och anordning för att välja bland flera blandare - Google Patents
Förfarande och anordning för att välja bland flera blandareInfo
- Publication number
- SE9802520L SE9802520L SE9802520A SE9802520A SE9802520L SE 9802520 L SE9802520 L SE 9802520L SE 9802520 A SE9802520 A SE 9802520A SE 9802520 A SE9802520 A SE 9802520A SE 9802520 L SE9802520 L SE 9802520L
- Authority
- SE
- Sweden
- Prior art keywords
- mixers
- selecting
- average power
- power output
- output level
- 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
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
-
- 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
-
- 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
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
-
- 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
- H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/589,134 US6147543A (en) | 1996-01-19 | 1996-01-19 | Method and apparatus for selecting from multiple mixers |
PCT/US1996/019695 WO1997026710A1 (en) | 1996-01-19 | 1996-12-13 | Method and apparatus for selecting from multiple mixers |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9802520D0 SE9802520D0 (sv) | 1998-07-13 |
SE9802520L true SE9802520L (sv) | 1998-09-15 |
SE522346C2 SE522346C2 (sv) | 2004-02-03 |
Family
ID=24356743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9802520A SE522346C2 (sv) | 1996-01-19 | 1998-07-13 | Förfarande och anordning för att välja bland flera blandare |
Country Status (11)
Country | Link |
---|---|
US (2) | US6147543A (sv) |
EP (1) | EP0875094B1 (sv) |
JP (1) | JP4542629B2 (sv) |
KR (1) | KR100295262B1 (sv) |
CN (1) | CN1112773C (sv) |
AU (1) | AU703199B2 (sv) |
BR (1) | BR9612449A (sv) |
DE (1) | DE69638336D1 (sv) |
IL (1) | IL124577A0 (sv) |
SE (1) | SE522346C2 (sv) |
WO (1) | WO1997026710A1 (sv) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6147543A (en) * | 1996-01-19 | 2000-11-14 | Motorola, Inc. | Method and apparatus for selecting from multiple mixers |
US6300837B1 (en) * | 2000-03-28 | 2001-10-09 | Philips Electronics North America Corporation | Dynamic bias boosting circuit for a power amplifier |
US6603964B1 (en) * | 2000-09-05 | 2003-08-05 | Motorola, Inc. | Mixer with reduced carrier feedthrough |
US6804499B2 (en) * | 2001-04-09 | 2004-10-12 | Koninklijke Philips Electronics N.V. | Power-mixer architecture for a transmitter |
DE10132587A1 (de) | 2001-07-05 | 2002-11-14 | Infineon Technologies Ag | Sendeanordnung mit Leistungsregelung |
KR20040102017A (ko) * | 2002-02-25 | 2004-12-03 | 시리픽 와이어레스 코퍼레이션 | 스퓨리어스 응답 보상용 다운 컨버젼 방법 및 토폴로지 |
EP1704649B1 (en) * | 2003-02-07 | 2009-12-30 | Nxp B.V. | Versatile baseband signal input current splitter |
FR2854288B1 (fr) * | 2003-04-23 | 2005-05-27 | Commissariat Energie Atomique | Dispositif d'emission-reception rf |
US7187909B2 (en) * | 2004-03-29 | 2007-03-06 | Texas Instruments Incorporated | Current mode transmitter |
US9071344B2 (en) | 2005-08-22 | 2015-06-30 | Qualcomm Incorporated | Reverse link interference cancellation |
US8611305B2 (en) | 2005-08-22 | 2013-12-17 | Qualcomm Incorporated | Interference cancellation for wireless communications |
US20070161356A1 (en) * | 2006-01-12 | 2007-07-12 | Hoon Bryan A | Method and apparatus for improved carrier feed thru rejection for a linear amplifier |
US7941115B2 (en) * | 2007-09-14 | 2011-05-10 | Qualcomm Incorporated | Mixer with high output power accuracy and low local oscillator leakage |
US8599938B2 (en) | 2007-09-14 | 2013-12-03 | Qualcomm Incorporated | Linear and polar dual mode transmitter circuit |
WO2009036399A1 (en) * | 2007-09-14 | 2009-03-19 | Qualcomm Incorporated | Local oscillator buffer and mixer having adjustable size |
US8019310B2 (en) * | 2007-10-30 | 2011-09-13 | Qualcomm Incorporated | Local oscillator buffer and mixer having adjustable size |
US8929840B2 (en) | 2007-09-14 | 2015-01-06 | Qualcomm Incorporated | Local oscillator buffer and mixer having adjustable size |
US7852157B2 (en) * | 2008-03-13 | 2010-12-14 | Nec Electronics Corporation | Differential amplifier |
US8639205B2 (en) | 2008-03-20 | 2014-01-28 | Qualcomm Incorporated | Reduced power-consumption receivers |
GB0807148D0 (en) * | 2008-04-18 | 2008-05-21 | Elonics Ltd | Clock distribution buffer |
US20100046660A1 (en) | 2008-05-13 | 2010-02-25 | Qualcomm Incorporated | Interference cancellation under non-stationary conditions |
US9408165B2 (en) | 2008-06-09 | 2016-08-02 | Qualcomm Incorporated | Increasing capacity in wireless communications |
US9237515B2 (en) | 2008-08-01 | 2016-01-12 | Qualcomm Incorporated | Successive detection and cancellation for cell pilot detection |
US9277487B2 (en) | 2008-08-01 | 2016-03-01 | Qualcomm Incorporated | Cell detection with interference cancellation |
US8509293B2 (en) | 2008-08-19 | 2013-08-13 | Qualcomm Incorporated | Semi-coherent timing propagation for GERAN multislot configurations |
US8503591B2 (en) | 2008-08-19 | 2013-08-06 | Qualcomm Incorporated | Enhanced geran receiver using channel input beamforming |
US8378732B2 (en) * | 2008-09-22 | 2013-02-19 | California Institute Of Technology | Octave-range, watt-level, fully-integrated CMOS switching power mixer array for linearization and back-off-efficiency improvement |
US9160577B2 (en) | 2009-04-30 | 2015-10-13 | Qualcomm Incorporated | Hybrid SAIC receiver |
US8787509B2 (en) | 2009-06-04 | 2014-07-22 | Qualcomm Incorporated | Iterative interference cancellation receiver |
US8432211B2 (en) | 2009-07-02 | 2013-04-30 | Qualcomm Incorporated | Mixer-transconductance interface |
US8619928B2 (en) | 2009-09-03 | 2013-12-31 | Qualcomm Incorporated | Multi-stage interference suppression |
US8831149B2 (en) | 2009-09-03 | 2014-09-09 | Qualcomm Incorporated | Symbol estimation methods and apparatuses |
BR112012012632B1 (pt) | 2009-11-27 | 2020-12-15 | Qualcomm Incorporated | Método e equipamento para aumentar a capacidade de transmissão em comunicações sem fio, e memória legível por computador |
CN102668612B (zh) | 2009-11-27 | 2016-03-02 | 高通股份有限公司 | 增加无线通信中的容量 |
US8462035B2 (en) | 2011-05-13 | 2013-06-11 | Infineon Technologies Ag | Digital-to-analog conversion arrangement with power range dependent D/A converter selection |
US8604958B2 (en) | 2011-05-13 | 2013-12-10 | Intel Mobile Communications GmbH | RF DAC with configurable DAC mixer interface and configurable mixer |
DE102011075796B4 (de) | 2011-05-13 | 2015-02-19 | Intel Mobile Communications GmbH | Mischerzelle, Modulator und Verfahren |
JP5666985B2 (ja) * | 2011-05-16 | 2015-02-12 | ルネサスエレクトロニクス株式会社 | ダウンコンバータ、ダウンコンバータic、およびダウンコンバータの制御方法 |
US8787854B2 (en) * | 2012-07-25 | 2014-07-22 | Qualcomm Incorporated | Low power local oscillator signal generation |
CN116683567B (zh) * | 2023-05-29 | 2024-03-26 | 深圳市费思泰克科技有限公司 | 用于新能源汽车电控测试的高精度双向直流电源 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3631339A (en) * | 1970-08-13 | 1971-12-28 | Nasa | Method and apparatus for high-resolution spectral analysis |
US4499426A (en) * | 1980-07-02 | 1985-02-12 | Motorola, Inc. | Baseband discriminator for frequency or transform modulation |
US4525862A (en) * | 1980-07-02 | 1985-06-25 | Motorola, Inc. | Transform modulation system |
US4408352A (en) * | 1982-05-10 | 1983-10-04 | Rockwell International Corporation | High power level mixer apparatus |
US4494238A (en) * | 1982-06-30 | 1985-01-15 | Motorola, Inc. | Multiple channel data link system |
DE3401863C2 (de) | 1984-01-20 | 1986-01-30 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Bandabhängig schaltbare VHF-Mischerschaltungsanordnung |
US5001723A (en) * | 1985-11-05 | 1991-03-19 | Allied-Signal Inc. | Sinusoidal M-ary orthogonal keyed decoding |
EP0341531A3 (de) * | 1988-05-11 | 1991-05-15 | Licentia Patent-Verwaltungs-GmbH | Regelbarer Breitbandverstärker |
JP2591129B2 (ja) * | 1988-12-20 | 1997-03-19 | 富士通株式会社 | ホットスタンバイ切替方式 |
US5237286A (en) * | 1989-04-14 | 1993-08-17 | Hitachi, Ltd. | Method and apparatus for generation of high frequency pulses |
CA2044774C (en) * | 1990-06-16 | 1995-11-28 | Tooru Ogino | Receiver for a cellular mobile radio communication system |
KR940002968B1 (ko) * | 1990-07-28 | 1994-04-09 | 삼성전자 주식회사 | 이중대역 주파수변환장치 |
EP0507525B1 (en) | 1991-04-03 | 1997-06-11 | Sony Corporation | Radio frequency modulators |
DE4129830A1 (de) * | 1991-09-07 | 1993-03-25 | Blaupunkt Werke Gmbh | Ukw-empfaenger mit mehreren antennen |
US5551076A (en) * | 1994-09-06 | 1996-08-27 | Motorola, Inc. | Circuit and method of series biasing a single-ended mixer |
US5648985A (en) * | 1994-11-30 | 1997-07-15 | Rockwell Semiconductor Systems, Inc. | Universal radio architecture for low-tier personal communication system |
US6147543A (en) * | 1996-01-19 | 2000-11-14 | Motorola, Inc. | Method and apparatus for selecting from multiple mixers |
-
1996
- 1996-01-19 US US08/589,134 patent/US6147543A/en not_active Expired - Lifetime
- 1996-12-13 EP EP96944303A patent/EP0875094B1/en not_active Expired - Lifetime
- 1996-12-13 CN CN96199683A patent/CN1112773C/zh not_active Expired - Fee Related
- 1996-12-13 IL IL12457796A patent/IL124577A0/xx unknown
- 1996-12-13 DE DE69638336T patent/DE69638336D1/de not_active Expired - Lifetime
- 1996-12-13 BR BR9612449A patent/BR9612449A/pt not_active IP Right Cessation
- 1996-12-13 AU AU14145/97A patent/AU703199B2/en not_active Ceased
- 1996-12-13 WO PCT/US1996/019695 patent/WO1997026710A1/en active IP Right Grant
- 1996-12-13 KR KR1019980705544A patent/KR100295262B1/ko not_active IP Right Cessation
- 1996-12-13 JP JP52598997A patent/JP4542629B2/ja not_active Expired - Fee Related
-
1998
- 1998-07-13 SE SE9802520A patent/SE522346C2/sv not_active IP Right Cessation
-
2000
- 2000-07-17 US US09/618,109 patent/US6259301B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69638336D1 (de) | 2011-04-14 |
SE9802520D0 (sv) | 1998-07-13 |
EP0875094A1 (en) | 1998-11-04 |
US6147543A (en) | 2000-11-14 |
CN1112773C (zh) | 2003-06-25 |
EP0875094A4 (en) | 2004-05-19 |
EP0875094B1 (en) | 2011-03-02 |
CN1207835A (zh) | 1999-02-10 |
IL124577A0 (en) | 1998-12-06 |
SE522346C2 (sv) | 2004-02-03 |
JP4542629B2 (ja) | 2010-09-15 |
WO1997026710A1 (en) | 1997-07-24 |
BR9612449A (pt) | 1999-07-13 |
AU1414597A (en) | 1997-08-11 |
AU703199B2 (en) | 1999-03-18 |
KR100295262B1 (ko) | 2001-08-07 |
US6259301B1 (en) | 2001-07-10 |
KR19990081842A (ko) | 1999-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |