ES2104574T3 - Receptor homodino para convertidor de television por cable. - Google Patents

Receptor homodino para convertidor de television por cable.

Info

Publication number
ES2104574T3
ES2104574T3 ES90122236T ES90122236T ES2104574T3 ES 2104574 T3 ES2104574 T3 ES 2104574T3 ES 90122236 T ES90122236 T ES 90122236T ES 90122236 T ES90122236 T ES 90122236T ES 2104574 T3 ES2104574 T3 ES 2104574T3
Authority
ES
Spain
Prior art keywords
signals
band
cable television
homodine
receiver
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES90122236T
Other languages
English (en)
Inventor
Daniel Marz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
General Instrument 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 Arris Technology Inc, General Instrument Corp filed Critical Arris Technology Inc
Application granted granted Critical
Publication of ES2104574T3 publication Critical patent/ES2104574T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • 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
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Landscapes

  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Ropes Or Cables (AREA)
  • Communication Cables (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Details Of Television Systems (AREA)

Abstract

SE RECIBE UNA PORTADORA QUE CONTIENE UNA GRAN VARIEDAD DE SEÑALES DENTRO DE UNA PRIMERA BANDA DE FRECUENCIA, ASI POR EJEMPLO: SEÑALES DE TELEVISION DENTRO DE LA BANDA DE TELEVISION POR CABLE. LAS SEÑALES SE CONVERTIRAN HACIA UNA SEGUNDA BANDA DE FRECUENCIA SITUADA POR ENCIMA DE LA PRIMERA DONDE UNA DE LAS SEÑALES CONVERTIDAS SELECCIONADA RESIDIRA EN UNA FRECUENCIA INTERMEDIA DENTRO DE UNA SEGUNDA BANDA. LA SEÑAL CONVERTIDA SELECCIONADA SE INTRODUCIRA EN UN DETECTOR HOMODINO QUE OPERA EN UNA FRECUENCIA CERCANA O INTERMEDIA. SE PROCESARAN DIGITALMENTE LAS SEÑALES DE SALIDA EN FASE O CUADRATICAS PARA RECUPERAR UNA SEÑAL DE BANDA BASE.
ES90122236T 1989-12-04 1990-11-21 Receptor homodino para convertidor de television por cable. Expired - Lifetime ES2104574T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/445,970 US4979230A (en) 1989-12-04 1989-12-04 Up-conversion homodyne receiver for cable television converter with frequency offset to avoid adjacent channel interference

Publications (1)

Publication Number Publication Date
ES2104574T3 true ES2104574T3 (es) 1997-10-16

Family

ID=23770860

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90122236T Expired - Lifetime ES2104574T3 (es) 1989-12-04 1990-11-21 Receptor homodino para convertidor de television por cable.

Country Status (16)

Country Link
US (1) US4979230A (es)
EP (1) EP0431397B1 (es)
JP (1) JP2546741B2 (es)
KR (1) KR100216318B1 (es)
AT (1) ATE156313T1 (es)
AU (1) AU621272B2 (es)
CA (1) CA2031019C (es)
DE (1) DE69031160T2 (es)
DK (1) DK0431397T3 (es)
ES (1) ES2104574T3 (es)
FI (1) FI102336B (es)
IE (1) IE80418B1 (es)
IL (1) IL96408A0 (es)
MX (1) MX171594B (es)
NO (1) NO177080C (es)
NZ (1) NZ236223A (es)

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US5371902A (en) * 1991-09-25 1994-12-06 General Instrument Corporation Method and apparatus for recovering baseband signals from in-phase and quadrature-phase signal components having phase error therebetween
JP3432921B2 (ja) * 1994-10-31 2003-08-04 株式会社東芝 Ｔｖ放送受信機
US5774195A (en) * 1995-01-24 1998-06-30 Kabushiki Kaisha Toshiba Broadcasting system discriminating television receiver for differentiating between analog and digital telecast signals
US6122482A (en) 1995-02-22 2000-09-19 Global Communications, Inc. Satellite broadcast receiving and distribution system
DE19614979C2 (de) 1995-04-20 2001-05-17 Fujitsu Ltd Hochfrequenz-Sende-Empfangs-Vorrichtung zur Datenkommunikation
US6177964B1 (en) * 1997-08-01 2001-01-23 Microtune, Inc. Broadband integrated television tuner
US5602877A (en) * 1995-08-28 1997-02-11 Motorola, Inc. Method and apparatus for information recovery in a radio communication device
US5828955A (en) * 1995-08-30 1998-10-27 Rockwell Semiconductor Systems, Inc. Near direct conversion receiver and method for equalizing amplitude and phase therein
US7444126B1 (en) 1995-12-22 2008-10-28 Microtune (Texas), L.P. Signal-to-noise optimized fully monolithic video receiver IF channel
KR19990008178A (ko) * 1996-04-04 1999-01-25 이데이노브유끼 텔레비전 수신장치
US5963856A (en) * 1997-01-03 1999-10-05 Lucent Technologies Inc Wireless receiver including tunable RF bandpass filter
TW391114B (en) * 1997-01-31 2000-05-21 Scientific Atlanta System and method for harmonic interference avoidance in carrier recovery for digital demodulation
US5835125A (en) * 1997-02-04 1998-11-10 At&T Corp Self-healing configuration for delivering data services on a hybrid fiber-coaxial (HFC) network
GB2322042B (en) * 1997-02-05 2002-02-06 Ericsson Telefon Ab L M Radio architecture
US6104908A (en) * 1997-02-28 2000-08-15 Hughes Electronics Corporation System for and method of combining signals of combining signals of diverse modulation formats for distribution in multiple dwelling units
US6014547A (en) * 1997-04-28 2000-01-11 General Instrument Corporation System for enhancing the performance of a CATV settop terminal
US6725463B1 (en) * 1997-08-01 2004-04-20 Microtune (Texas), L.P. Dual mode tuner for co-existing digital and analog television signals
US7092043B2 (en) 1998-11-12 2006-08-15 Broadcom Corporation Fully integrated tuner architecture
SE513332C2 (sv) 1998-11-26 2000-08-28 Ericsson Telefon Ab L M Kommunikationssignalmottagare samt driftmetod för densamma
SE9900289D0 (sv) 1999-01-27 1999-01-27 Ericsson Telefon Ab L M DC estimate method for a homodyne receiver
US6714776B1 (en) 1999-09-28 2004-03-30 Microtune (Texas), L.P. System and method for an image rejecting single conversion tuner with phase error correction
US6784945B2 (en) 1999-10-01 2004-08-31 Microtune (Texas), L.P. System and method for providing fast acquire time tuning of multiple signals to present multiple simultaneous images
US7184724B1 (en) * 2000-04-18 2007-02-27 Microtune (Texas), L.P. System and method for frequency translation using an image reject mixer
GB0020527D0 (en) 2000-08-22 2000-10-11 Mitel Semiconductor Ltd Digital tuner
US7333791B2 (en) * 2001-12-11 2008-02-19 Microtune (Texas), L.P. Use of an image reject mixer in a forward data channel tuner
US20050164662A1 (en) * 2004-01-23 2005-07-28 Chaowen Tseng Frequency conversion in a receiver
CA2562487C (en) 2004-04-13 2011-02-08 Maxlinear, Inc. Dual conversion receiver with programmable intermediate frequency and channel selection
KR100719116B1 (ko) 2004-09-14 2007-05-17 삼성전자주식회사 노이즈신호를 여파 처리하는 방송수신장치 및 그 방법
WO2006044372A2 (en) 2004-10-12 2006-04-27 Maxlinear, Inc. A receiver architecture with digitally generated intermediate frequency
JP2008516537A (ja) * 2004-10-12 2008-05-15 マックスリニアー，インコーポレイティド アップコンバージョンと、これに後続するダイレクトダウンコンバージョンを使用するハイブリッド受信機アーキテクチャ
EP2173038B1 (en) 2004-12-10 2012-01-25 Maxlinear, Inc. Harmonic reject receiver architecture and mixer
US7391257B1 (en) * 2007-01-31 2008-06-24 Medtronic, Inc. Chopper-stabilized instrumentation amplifier for impedance measurement
US9615744B2 (en) * 2007-01-31 2017-04-11 Medtronic, Inc. Chopper-stabilized instrumentation amplifier for impedance measurement
US7385443B1 (en) * 2007-01-31 2008-06-10 Medtronic, Inc. Chopper-stabilized instrumentation amplifier
US8781595B2 (en) * 2007-04-30 2014-07-15 Medtronic, Inc. Chopper mixer telemetry circuit
WO2009042172A2 (en) * 2007-09-26 2009-04-02 Medtronic, Inc. Frequency selective monitoring of physiological signals
US8380314B2 (en) * 2007-09-26 2013-02-19 Medtronic, Inc. Patient directed therapy control
CN101939922A (zh) 2007-10-01 2011-01-05 迈凌有限公司 I/q校准技术
WO2009051638A1 (en) 2007-10-16 2009-04-23 Medtronic, Inc. Therapy control based on a patient movement state
EP2249908B1 (en) 2008-01-25 2014-01-01 Medtronic, Inc. Sleep stage detection
US8478402B2 (en) 2008-10-31 2013-07-02 Medtronic, Inc. Determining intercardiac impedance
US9770204B2 (en) 2009-11-11 2017-09-26 Medtronic, Inc. Deep brain stimulation for sleep and movement disorders
US9521979B2 (en) 2013-03-15 2016-12-20 Medtronic, Inc. Control of spectral agressors in a physiological signal monitoring device
US9439150B2 (en) 2013-03-15 2016-09-06 Medtronic, Inc. Control of spectral agressors in a physiological signal montoring device
US9924904B2 (en) 2014-09-02 2018-03-27 Medtronic, Inc. Power-efficient chopper amplifier

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
US4105868A (en) * 1975-12-26 1978-08-08 Sansui Electric Co., Ltd. AM stereophonic transmission system
JPS57107645A (en) * 1980-12-25 1982-07-05 Toshiba Corp Tuner
DE3114063A1 (de) * 1981-04-07 1982-10-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Empfangssystem
EP0080280B1 (en) * 1981-11-09 1986-08-20 Matsushita Electric Industrial Co., Ltd. A synchronous video detector circuit using phase-locked loop
US4545072A (en) * 1982-02-22 1985-10-01 Motorola, Inc. Method and apparatus for eliminating interference due to spurious signals generated in synthesized receivers
JPS59188242A (ja) * 1983-04-08 1984-10-25 Matsushita Electric Ind Co Ltd 周波数変換回路
US4520507A (en) * 1983-10-24 1985-05-28 Zenith Electronics Corporation Low noise CATV converter
US4619000A (en) * 1984-09-24 1986-10-21 John Ma CATV converter having improved tuning circuits
KR900000464B1 (ko) * 1984-10-05 1990-01-30 가부시기가이샤 히다찌세이사꾸쇼 복조 회로
JPS61171207A (ja) * 1985-01-25 1986-08-01 Nec Corp 受信機
DE3516492A1 (de) * 1985-05-08 1986-11-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart Funkempfaenger
GB2192104A (en) * 1986-06-27 1987-12-31 Philips Electronic Associated Superheterodyne radio receiver
US4817192A (en) * 1986-10-31 1989-03-28 Motorola, Inc. Dual-mode AFC circuit for an SSB radio transceiver

Also Published As

Publication number Publication date
NO905225D0 (no) 1990-12-03
KR910013931A (ko) 1991-08-08
KR100216318B1 (ko) 1999-08-16
MX171594B (es) 1993-11-08
ATE156313T1 (de) 1997-08-15
AU6686790A (en) 1991-06-06
NO177080C (no) 1995-07-12
EP0431397A3 (en) 1991-11-21
NO177080B (no) 1995-04-03
US4979230A (en) 1990-12-18
DK0431397T3 (da) 1998-02-16
FI905807A (fi) 1991-06-05
DE69031160T2 (de) 1998-01-29
FI905807A0 (fi) 1990-11-26
EP0431397A2 (en) 1991-06-12
DE69031160D1 (de) 1997-09-04
NO905225L (no) 1991-06-05
JPH03190431A (ja) 1991-08-20
EP0431397B1 (en) 1997-07-30
CA2031019A1 (en) 1991-06-05
CA2031019C (en) 1999-03-02
IL96408A0 (en) 1991-08-16
FI102336B1 (fi) 1998-11-13
JP2546741B2 (ja) 1996-10-23
NZ236223A (en) 1994-02-25
IE80418B1 (en) 1998-07-01
AU621272B2 (en) 1992-03-05
IE904283A1 (en) 1991-06-05
FI102336B (fi) 1998-11-13

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