KR100799473B1 - 쵸핑 혼합기 및 직접 변환 무선 수신기 - Google Patents
쵸핑 혼합기 및 직접 변환 무선 수신기 Download PDFInfo
- Publication number
- KR100799473B1 KR100799473B1 KR1020037002318A KR20037002318A KR100799473B1 KR 100799473 B1 KR100799473 B1 KR 100799473B1 KR 1020037002318 A KR1020037002318 A KR 1020037002318A KR 20037002318 A KR20037002318 A KR 20037002318A KR 100799473 B1 KR100799473 B1 KR 100799473B1
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- South Korea
- Prior art keywords
- mixer
- chopping
- input
- output
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (23)
- 쵸핑 혼합기(chopping mixer)에 있어서:입력 신호를 쵸핑하여 쵸핑된 입력 전압 신호를 생성하는 입력 쵸핑 수단;혼합기 수단으로서, 상기 혼합기 수단에 인가된 신호들을 혼합하여 혼합된 신호를 생성하는, 상기 혼합기 수단;출력 쵸핑 수단;상기 혼합된 신호를 상기 출력 쵸핑 수단에 결합하는 결합 수단; 및상기 입력 쵸핑 수단과 상기 혼합기 수단의 입력 사이에 결합되어, 상기 쵸핑된 입력 전압 신호를 나타내는 전류 신호를 상기 혼합기 수단에 인가하기 위해 전압 신호를 전류 신호로 변환시키는 전압 전류 변환 수단을 포함하고,상기 결합 수단은 상기 혼합기 수단으로부터의 신호에서 2차 왜곡을 필터링 아웃하도록 배치된 AC 결합 수단을 포함하는, 쵸핑 혼합기.
- 제1항에 있어서,상기 AC 결합 수단은 DC 신호들은 차단하는 동안 AC 신호들을 통과시키는 캐패시턴스 수단(capacitance means)을 포함하는, 쵸핑 혼합기.
- 제1항에 있어서,상기 혼합기 수단은 바이폴라 트랜지스터 혼합기를 포함하는, 쵸핑 혼합기.
- 제1항에 있어서,상기 출력 쵸핑 수단은 MOSFET 트랜지스터들을 포함하는, 쵸핑 혼합기.
- 삭제
- 제1항에 있어서,상기 입력 쵸핑 수단은 MOSFET 트랜지스터들을 포함하는, 쵸핑 혼합기.
- 제1항에 있어서,상기 입력 쵸핑 수단, 상기 출력 쵸핑 수단 및 상기 혼합기 수단에 인가되고 상기 입력 쵸핑 수단, 상기 출력 쵸핑 수단 및 상기 혼합기 수단에 의해 생성되는 신호들은 차동 신호들인, 쵸핑 혼합기.
- 제1항에 있어서,상기 AC 결합 수단은 상기 입력 및 출력 쵸핑 수단의 클럭 주파수의 2.5% 내지 5%의 범위에 있는 코너 주파수(corner frequency)를 갖는, 쵸핑 혼합기.
- 제1항에 청구된 쵸핑 혼합기를 포함하는 직접 변환 무선 수신기.
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00402301A EP1184971A1 (en) | 2000-08-17 | 2000-08-17 | Switching mixer |
EP00402301.6 | 2000-08-17 | ||
PCT/EP2001/008154 WO2002015385A1 (en) | 2000-08-17 | 2001-07-16 | Apparatus and method for improved chopping mixer |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030043932A KR20030043932A (ko) | 2003-06-02 |
KR100799473B1 true KR100799473B1 (ko) | 2008-01-30 |
Family
ID=8173817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020037002318A KR100799473B1 (ko) | 2000-08-17 | 2001-07-16 | 쵸핑 혼합기 및 직접 변환 무선 수신기 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6933766B2 (ko) |
EP (1) | EP1184971A1 (ko) |
JP (1) | JP2004507139A (ko) |
KR (1) | KR100799473B1 (ko) |
CN (1) | CN1448006A (ko) |
AU (1) | AU2001289658A1 (ko) |
TW (1) | TW543285B (ko) |
WO (1) | WO2002015385A1 (ko) |
Families Citing this family (24)
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US6812780B2 (en) * | 2002-01-16 | 2004-11-02 | Oki Electric Industry Co., Ltd. | Filter circuit and detection circuit having filter circuit |
US7382984B2 (en) * | 2002-10-03 | 2008-06-03 | Nortel Networks Limited | Electrical domain compensation of optical dispersion in an optical communications system |
JP2004180281A (ja) * | 2002-11-13 | 2004-06-24 | Renesas Technology Corp | 直交ミキサ回路及びそれを用いた携帯端末 |
KR100519876B1 (ko) * | 2004-01-30 | 2005-10-10 | 삼성전자주식회사 | 2차 혼변조 왜곡을 제거하기 위한 직접 변환용 믹서 회로및 이를 이용한 직접 변환 송수신기 |
US7538596B2 (en) * | 2004-05-25 | 2009-05-26 | Silicon Laboratories, Inc. | Low distortion quadrature mixer and method therefor |
US7251468B2 (en) * | 2004-07-14 | 2007-07-31 | Motorola, Inc. | Dynamically matched mixer system with improved in-phase and quadrature (I/Q) balance and second order intercept point (IP2) performance |
US7177616B2 (en) | 2004-08-13 | 2007-02-13 | Freescale Semiconductor, Inc. | High linearity and low noise CMOS mixer and signal mixing method |
US8228110B1 (en) * | 2004-12-06 | 2012-07-24 | Marvell International Ltd. | Low power, low voltage phase interpolator |
US20060133558A1 (en) * | 2004-12-20 | 2006-06-22 | Swartz Ronald W | Mechanism to aid a phase interpolator in recovering a clock signal |
CN100428641C (zh) * | 2005-08-25 | 2008-10-22 | 威盛电子股份有限公司 | 直接转换型射频接收器的混波器 |
US7512393B2 (en) * | 2005-10-14 | 2009-03-31 | Skyworks Solutions, Inc. | Downconverting mixer |
KR100720643B1 (ko) * | 2005-10-20 | 2007-05-21 | 삼성전자주식회사 | 2차 혼변조 왜곡 보정 회로 |
US8059758B2 (en) * | 2006-02-10 | 2011-11-15 | Qualcomm, Incorporated | Conversion of multiple analog signals in an analog to digital converter |
US7620381B2 (en) * | 2006-05-21 | 2009-11-17 | Realtek Semiconductor Corp. | Tri-state chopper for frequency conversion |
US7826816B2 (en) * | 2006-07-11 | 2010-11-02 | Qualcomm Incorporated | Systems, methods, and apparatus for frequency conversion |
US8099072B2 (en) * | 2006-11-21 | 2012-01-17 | Qualcomm Incorporated | Frequency changer circuits |
EP2765722A3 (en) * | 2007-01-25 | 2014-09-03 | Thomson Licensing | Frequency translation module interface |
US20080186057A1 (en) * | 2007-02-01 | 2008-08-07 | Texas Instruments Incorporated | Low frequency detector including common input voltage sensor |
US20090079497A1 (en) * | 2007-09-21 | 2009-03-26 | Nanoamp Solutions, Inc. (Cayman) | Phase tuning techniques |
US7865164B2 (en) * | 2007-09-27 | 2011-01-04 | Qualcomm Incorporated | Apparatus and methods for downconverting radio frequency signals |
US20090088121A1 (en) * | 2007-09-27 | 2009-04-02 | Nanoamp Solutions Inc. (Cayman) | High Linearity and Low Noise Mixer |
US20090197552A1 (en) * | 2008-01-07 | 2009-08-06 | Peter Kurahashi | Bandwidth tunable mixer-filter using lo duty-cycle control |
US8401512B2 (en) | 2010-04-08 | 2013-03-19 | Viasat, Inc. | Compact high linearity MMIC based FET resistive mixer |
TWI455498B (zh) * | 2011-07-26 | 2014-10-01 | Mstar Semiconductor Inc | 直接轉換接收器及其校正方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2151863A (en) | 1983-12-17 | 1985-07-24 | Toshiba Kk | Multiplier circuit |
US5771442A (en) | 1994-11-11 | 1998-06-23 | Oki Electric Industry Co., Ltd. | Dual mode transmitter |
US5859559A (en) | 1997-07-31 | 1999-01-12 | Raytheon Company | Mixer structures with enhanced conversion gain and reduced spurious signals |
US5973576A (en) | 1995-07-25 | 1999-10-26 | Murata Manufacturing Co., Ltd. | Mixer for mixing carrier signals and data signals |
WO2000019653A1 (en) * | 1998-09-25 | 2000-04-06 | Motorola Inc. | Method and apparatus providing improved intermodulation distortion protection |
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US4242634A (en) * | 1978-05-06 | 1980-12-30 | Enertec | Electronic multiplying circuits |
WO1992002929A1 (en) * | 1990-08-01 | 1992-02-20 | Maxtor Corporation | Sample data position error signal detection for digital sector servo |
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DE19844970C2 (de) * | 1998-09-30 | 2001-02-22 | Siemens Ag | Schaltungsanordnung zum Mischen eines Eingangssignals und eines Oszillatorsignals miteinander |
US6594478B1 (en) * | 2000-11-03 | 2003-07-15 | Motorola, Inc. | Self oscillating mixer |
-
2000
- 2000-08-17 EP EP00402301A patent/EP1184971A1/en not_active Withdrawn
-
2001
- 2001-07-16 WO PCT/EP2001/008154 patent/WO2002015385A1/en active Application Filing
- 2001-07-16 KR KR1020037002318A patent/KR100799473B1/ko not_active IP Right Cessation
- 2001-07-16 AU AU2001289658A patent/AU2001289658A1/en not_active Abandoned
- 2001-07-16 CN CN01814137A patent/CN1448006A/zh active Pending
- 2001-07-16 JP JP2002520399A patent/JP2004507139A/ja active Pending
- 2001-07-16 US US10/362,031 patent/US6933766B2/en not_active Expired - Lifetime
- 2001-11-05 TW TW090127410A patent/TW543285B/zh not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2151863A (en) | 1983-12-17 | 1985-07-24 | Toshiba Kk | Multiplier circuit |
US5771442A (en) | 1994-11-11 | 1998-06-23 | Oki Electric Industry Co., Ltd. | Dual mode transmitter |
US5973576A (en) | 1995-07-25 | 1999-10-26 | Murata Manufacturing Co., Ltd. | Mixer for mixing carrier signals and data signals |
US5859559A (en) | 1997-07-31 | 1999-01-12 | Raytheon Company | Mixer structures with enhanced conversion gain and reduced spurious signals |
WO2000019653A1 (en) * | 1998-09-25 | 2000-04-06 | Motorola Inc. | Method and apparatus providing improved intermodulation distortion protection |
Also Published As
Publication number | Publication date |
---|---|
JP2004507139A (ja) | 2004-03-04 |
TW543285B (en) | 2003-07-21 |
CN1448006A (zh) | 2003-10-08 |
AU2001289658A1 (en) | 2002-02-25 |
KR20030043932A (ko) | 2003-06-02 |
WO2002015385A1 (en) | 2002-02-21 |
US6933766B2 (en) | 2005-08-23 |
EP1184971A1 (en) | 2002-03-06 |
US20040041616A1 (en) | 2004-03-04 |
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