HK1081744A1 - A frequency converter and the method thereof, and a method for demodualting signals - Google Patents

A frequency converter and the method thereof, and a method for demodualting signals

Info

Publication number
HK1081744A1
HK1081744A1 HK06101645.1A HK06101645A HK1081744A1 HK 1081744 A1 HK1081744 A1 HK 1081744A1 HK 06101645 A HK06101645 A HK 06101645A HK 1081744 A1 HK1081744 A1 HK 1081744A1
Authority
HK
Hong Kong
Prior art keywords
demodualting
signals
frequency converter
converter
frequency
Prior art date
Application number
HK06101645.1A
Other languages
English (en)
Inventor
Song Eunseok
Lee Seung-Wook
Lee Jeong-Woo
Park Joonbae
Lee Kyeongho
Original Assignee
Gct Semiconductor 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 Gct Semiconductor Inc filed Critical Gct Semiconductor Inc
Publication of HK1081744A1 publication Critical patent/HK1081744A1/xx

Links

Classifications

    • 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
    • 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
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
HK06101645.1A 2002-07-31 2006-02-08 A frequency converter and the method thereof, and a method for demodualting signals HK1081744A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/207,986 US6850748B2 (en) 2002-07-31 2002-07-31 RF front end with reduced carrier leakage
PCT/US2003/023366 WO2004012350A1 (en) 2002-07-31 2003-07-28 An rf front end with reduced carrier leakage

Publications (1)

Publication Number Publication Date
HK1081744A1 true HK1081744A1 (en) 2006-05-19

Family

ID=31186750

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06101645.1A HK1081744A1 (en) 2002-07-31 2006-02-08 A frequency converter and the method thereof, and a method for demodualting signals

Country Status (10)

Country Link
US (1) US6850748B2 (zh)
EP (1) EP1527522A1 (zh)
JP (1) JP4335804B2 (zh)
KR (1) KR20050056946A (zh)
CN (1) CN100438347C (zh)
AU (1) AU2003254188A1 (zh)
CA (1) CA2492860A1 (zh)
HK (1) HK1081744A1 (zh)
TW (1) TWI326161B (zh)
WO (1) WO2004012350A1 (zh)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8185602B2 (en) * 2002-11-05 2012-05-22 Newisys, Inc. Transaction processing using multiple protocol engines in systems having multiple multi-processor clusters
US20040116087A1 (en) * 2002-12-10 2004-06-17 Irf Semiconductor, Inc. Radio frequency receiver architecture with on-chip tracking intermediate frequency filtering
US20040116096A1 (en) * 2002-12-10 2004-06-17 Irf Semiconductor, Inc. Radio frequency receiver architecture with tracking image-reject polyphase filtering
US7251298B1 (en) * 2003-08-20 2007-07-31 Rf Micro Devices, Inc. Receiver architecture eliminating static and dynamic DC offset errors
DE10352642B4 (de) * 2003-11-11 2018-11-29 Snaptrack, Inc. Schaltung mit verringerter Einfügedämpfung und Bauelement mit der Schaltung
US7509112B2 (en) * 2004-11-16 2009-03-24 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Wideband image rejection mixer
US7512394B2 (en) * 2004-11-16 2009-03-31 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Wideband up-conversion mixer
KR20060082208A (ko) * 2005-01-11 2006-07-18 삼성전기주식회사 이미지 리젝션 믹서 및 이를 이용한 로우ｉｆ 구조의지상파 ｄｍｂ 튜너
US20070099582A1 (en) * 2005-10-31 2007-05-03 Mediatek Inc. Method and apparatus for signal demodulation and transmission
US7676206B2 (en) * 2005-12-05 2010-03-09 Sigmatel, Inc. Low noise, low distortion radio receiver front-end
US7477918B2 (en) * 2006-05-08 2009-01-13 Mediatek Inc. Radio frequency receiver and radio frequency transmitter
US20080009260A1 (en) * 2006-07-10 2008-01-10 Mediatek Inc. Mixer with dynamic intermediate frequency for radio-frequency front-end and method using the same
US20080212725A1 (en) * 2007-02-20 2008-09-04 Haiyun Tang Digital Predistortion for Cognitive Radio
JP4525731B2 (ja) * 2007-10-29 2010-08-18 カシオ計算機株式会社 受信回路および時計
KR100948427B1 (ko) * 2007-12-07 2010-03-19 한국전자통신연구원 신호 송수신 장치 및 그 제어 방법
US9219596B2 (en) * 2010-06-03 2015-12-22 Broadcom Corporation Front end module with active tuning of a balancing network
US8565711B2 (en) * 2010-06-03 2013-10-22 Broadcom Corporation SAW-less receiver including an IF frequency translated BPF
US8655299B2 (en) * 2010-06-03 2014-02-18 Broadcom Corporation Saw-less receiver with RF frequency translated BPF
KR20120030171A (ko) * 2010-09-17 2012-03-28 삼성전자주식회사 하모닉 성분을 제거하기 위한 장치 및 방법
CN103067035B (zh) * 2011-10-24 2015-11-18 联发科技股份有限公司 切片式传送器前端电路及相关方法
US9065691B2 (en) 2011-10-24 2015-06-23 Mediatek Inc. Sliced transmitter front-end
US8948716B2 (en) * 2012-04-23 2015-02-03 Entropic Communications, Inc. Apparatuses and methods for conversion of radio frequency (RF) signals to intermediate frequency (IF) signals
CN102820899B (zh) * 2012-07-19 2014-12-17 昆腾微电子股份有限公司 集成无线电广播接收机
JP2019029700A (ja) * 2017-07-25 2019-02-21 株式会社村田製作所 高周波フロントエンド回路および通信装置
CN108055049B (zh) * 2017-12-26 2024-01-12 广州中海达卫星导航技术股份有限公司 无线数传电台接收电路
CN111835290B (zh) * 2019-04-16 2024-04-12 瑞昱半导体股份有限公司 适用于蓝牙装置的功率放大系统和相关功率放大方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960038686A (ko) * 1995-04-13 1996-11-21 김광호 단일 주파수에 의한 신호 송수신회로
US5761615A (en) * 1995-05-31 1998-06-02 Motorola, Inc. Wide band zero if quadrature demodulator using a intermediate frequency and a single local oscillator
US5640698A (en) * 1995-06-06 1997-06-17 Stanford University Radio frequency signal reception using frequency shifting by discrete-time sub-sampling down-conversion
KR100193862B1 (ko) * 1996-03-19 1999-06-15 윤종용 안정된 주파수를 얻기 위한 주파수변환기
JP3360004B2 (ja) * 1997-03-20 2002-12-24 松下電器産業株式会社 無線受信装置
US6516187B1 (en) * 1998-03-13 2003-02-04 Maxim Integrated Products, Inc. DC offset correction for direct conversion tuner IC

Also Published As

Publication number Publication date
WO2004012350A1 (en) 2004-02-05
US6850748B2 (en) 2005-02-01
EP1527522A1 (en) 2005-05-04
TW200412036A (en) 2004-07-01
JP2006500798A (ja) 2006-01-05
JP4335804B2 (ja) 2009-09-30
AU2003254188A1 (en) 2004-02-16
CN100438347C (zh) 2008-11-26
KR20050056946A (ko) 2005-06-16
US20040023624A1 (en) 2004-02-05
CA2492860A1 (en) 2004-02-05
CN1679244A (zh) 2005-10-05
TWI326161B (en) 2010-06-11

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20190725