TWI349481B - Multi-band tv tuner and method thereof - Google Patents

Multi-band tv tuner and method thereof

Info

Publication number
TWI349481B
TWI349481B TW096118004A TW96118004A TWI349481B TW I349481 B TWI349481 B TW I349481B TW 096118004 A TW096118004 A TW 096118004A TW 96118004 A TW96118004 A TW 96118004A TW I349481 B TWI349481 B TW I349481B
Authority
TW
Taiwan
Prior art keywords
tuner
band
Prior art date
Application number
TW096118004A
Other languages
English (en)
Other versions
TW200818904A (en
Inventor
Chia-Liang Lin
Original Assignee
Realtek Semiconductor Corp
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 Realtek Semiconductor Corp filed Critical Realtek Semiconductor Corp
Publication of TW200818904A publication Critical patent/TW200818904A/zh
Application granted granted Critical
Publication of TWI349481B publication Critical patent/TWI349481B/zh

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
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
  • Logic Circuits (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
TW096118004A 2006-05-21 2007-05-21 Multi-band tv tuner and method thereof TWI349481B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/419,507 US7620381B2 (en) 2006-05-21 2006-05-21 Tri-state chopper for frequency conversion
US11/668,470 US7903762B2 (en) 2006-05-21 2007-01-30 Multi-band TV tuner and method thereof

Publications (2)

Publication Number Publication Date
TW200818904A TW200818904A (en) 2008-04-16
TWI349481B true TWI349481B (en) 2011-09-21

Family

ID=38711940

Family Applications (3)

Application Number Title Priority Date Filing Date
TW096117978A TWI397261B (zh) 2006-05-21 2007-05-21 用於頻率轉換之三態截波電路
TW096117981A TWI392358B (zh) 2006-05-21 2007-05-21 直接轉換電視調諧器及其方法
TW096118004A TWI349481B (en) 2006-05-21 2007-05-21 Multi-band tv tuner and method thereof

Family Applications Before (2)

Application Number Title Priority Date Filing Date
TW096117978A TWI397261B (zh) 2006-05-21 2007-05-21 用於頻率轉換之三態截波電路
TW096117981A TWI392358B (zh) 2006-05-21 2007-05-21 直接轉換電視調諧器及其方法

Country Status (3)

Country Link
US (4) US7620381B2 (zh)
CN (3) CN101079593B (zh)
TW (3) TWI397261B (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8145155B2 (en) * 2005-09-06 2012-03-27 Mediatek, Inc. Passive mixer and high Q RF filter using a passive mixer
TWI359573B (en) 2007-12-12 2012-03-01 Inventec Corp Electric device
CN101931524A (zh) * 2009-06-25 2010-12-29 中兴通讯股份有限公司 一种同步数字传输网的时钟源选择方法
CN102025346B (zh) * 2009-09-11 2014-09-17 晨星软件研发(深圳)有限公司 调谐器及其前级电路
US8436758B2 (en) * 2010-03-22 2013-05-07 Decawave Ltd. Adaptive ternary A/D converter for use in an ultra-wideband communication system
FR2980934A1 (fr) * 2011-10-04 2013-04-05 Thomson Licensing Systeme multi-tuners de reception de signaux et methode correspondante
EP2624462B1 (en) 2012-02-03 2017-07-12 Telefonaktiebolaget LM Ericsson (publ) Down-conversion circuit
EP2624463B1 (en) 2012-02-03 2015-04-15 Telefonaktiebolaget L M Ericsson (PUBL) Down-conversion circuit with interference detection
WO2015132120A1 (en) * 2014-03-05 2015-09-11 Rhodia Operations Process for the preparation of precipitated silicas, precipitated silicas and their uses, in particular for the reinforcement of polymers
CN109327291B (zh) * 2017-07-31 2021-05-04 华为技术有限公司 一种信号处理方法及通信芯片结构
US11652455B2 (en) * 2021-02-11 2023-05-16 Cirrus Logic, Inc. Chop tone management for a current sensor or a voltage sensor

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468784A (en) * 1980-05-17 1984-08-28 Rockwell International Corporation Three-state digital mixer-driver circuit
US4628270A (en) 1985-04-10 1986-12-09 Harris Corporation Frequency-agile synchronous demodulator
US5179730A (en) * 1990-03-23 1993-01-12 Rockwell International Corporation Selectivity system for a direct conversion receiver
US5095533A (en) * 1990-03-23 1992-03-10 Rockwell International Corporation Automatic gain control system for a direct conversion receiver
US5697091A (en) * 1996-02-07 1997-12-09 Ford Motor Company Distortion-free chopper-based signal mixer
US6041223A (en) * 1998-03-26 2000-03-21 Nortel Networks Corporation High level diode mixer
EP1184971A1 (en) 2000-08-17 2002-03-06 Motorola, Inc. Switching mixer
US6845233B2 (en) * 2001-10-09 2005-01-18 Freescale Semiconductor, Inc. RF receivers with reduced spurious response for mobile stations and methods therefor
US7167686B2 (en) * 2002-01-25 2007-01-23 Qualcomm Incorporated Wireless communications transceiver: transmitter using a harmonic rejection mixer and an RF output offset phase-locked loop in a two-step up-conversion architecture and receiver using direct conversion architecture
US7130604B1 (en) 2002-06-06 2006-10-31 National Semiconductor Corporation Harmonic rejection mixer and method of operation
US6642874B1 (en) 2002-10-11 2003-11-04 Realtek Semiconductor Corp. Sigma-delta data conversion employing quantization error feedback
US7085328B2 (en) 2002-12-24 2006-08-01 Realtek Semiconductor Corp. QAM receiver having joint gain, carrier recovery and equalization adaptation system
US7010330B1 (en) * 2003-03-01 2006-03-07 Theta Microelectronics, Inc. Power dissipation reduction in wireless transceivers
US6999747B2 (en) * 2003-06-22 2006-02-14 Realtek Semiconductor Corp. Passive harmonic switch mixer
US6865134B2 (en) * 2003-06-30 2005-03-08 Intel Corporation Charge recycling decoder, method, and system
US7190943B2 (en) 2003-09-16 2007-03-13 Microtune (Texas), L.P. System and method for frequency translation with harmonic suppression using mixer stages
US7496161B2 (en) 2003-10-14 2009-02-24 Realtek Semiconductor Corporation Adaptive equalization system for a signal receiver
KR100519876B1 (ko) 2004-01-30 2005-10-10 삼성전자주식회사 2차 혼변조 왜곡을 제거하기 위한 직접 변환용 믹서 회로및 이를 이용한 직접 변환 송수신기
EP2136468B1 (en) 2004-03-12 2012-06-13 RF Magic, Inc. Harmonic suppression mixer and tuner
US7421259B2 (en) 2004-04-16 2008-09-02 Broadcom Corporation RF mixer with high local oscillator linearity using multiple local oscillator phases
US7471134B2 (en) * 2004-05-25 2008-12-30 Silicon Laboratories, Inc. Mixer with clock resynchronization and method therefor
WO2006063358A1 (en) 2004-12-10 2006-06-15 Maxlinear Inc. Harmonic reject receiver architecture and mixer

Also Published As

Publication number Publication date
US7822402B2 (en) 2010-10-26
TWI392358B (zh) 2013-04-01
CN101079593A (zh) 2007-11-28
US20070268961A1 (en) 2007-11-22
CN100568934C (zh) 2009-12-09
US20070270117A1 (en) 2007-11-22
CN101123697A (zh) 2008-02-13
US20070270109A1 (en) 2007-11-22
US20100029238A1 (en) 2010-02-04
US7903762B2 (en) 2011-03-08
CN101079593B (zh) 2012-02-08
TWI397261B (zh) 2013-05-21
CN100539653C (zh) 2009-09-09
TW200744318A (en) 2007-12-01
TW200818904A (en) 2008-04-16
CN101106662A (zh) 2008-01-16
TW200746813A (en) 2007-12-16
US7881691B2 (en) 2011-02-01
US7620381B2 (en) 2009-11-17

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