JPS6429969U - - Google Patents

Info

Publication number
JPS6429969U
JPS6429969U JP1987124504U JP12450487U JPS6429969U JP S6429969 U JPS6429969 U JP S6429969U JP 1987124504 U JP1987124504 U JP 1987124504U JP 12450487 U JP12450487 U JP 12450487U JP S6429969 U JPS6429969 U JP S6429969U
Authority
JP
Japan
Prior art keywords
voltage
local oscillator
control voltage
frequency
mixer
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.)
Pending
Application number
JP1987124504U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1987124504U priority Critical patent/JPS6429969U/ja
Priority to US07/187,223 priority patent/US4855835A/en
Publication of JPS6429969U publication Critical patent/JPS6429969U/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
JP1987124504U 1987-08-14 1987-08-14 Pending JPS6429969U (US06633600-20031014-M00021.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987124504U JPS6429969U (US06633600-20031014-M00021.png) 1987-08-14 1987-08-14
US07/187,223 US4855835A (en) 1987-08-14 1988-04-28 AFT circuit for CATV receiver system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987124504U JPS6429969U (US06633600-20031014-M00021.png) 1987-08-14 1987-08-14

Publications (1)

Publication Number Publication Date
JPS6429969U true JPS6429969U (US06633600-20031014-M00021.png) 1989-02-22

Family

ID=14887127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987124504U Pending JPS6429969U (US06633600-20031014-M00021.png) 1987-08-14 1987-08-14

Country Status (2)

Country Link
US (1) US4855835A (US06633600-20031014-M00021.png)
JP (1) JPS6429969U (US06633600-20031014-M00021.png)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0340333A (ja) * 1989-07-05 1991-02-21 Matsushita Electric Ind Co Ltd チューナ選局装置
JPH0695630B2 (ja) * 1989-10-30 1994-11-24 三洋電機株式会社 Ａｆｔ機能付周波数シンセサイザー受信装置の制御方法
US5263197A (en) * 1991-09-20 1993-11-16 Matsushita Communication Industrial Corporation Of America Dual port oscillator for two-stage direct conversion receiver
US5572264A (en) * 1994-02-14 1996-11-05 Hitachi, Ltd. High definition TV signal receiver
US5627604A (en) * 1994-04-04 1997-05-06 Zenith Electronics Corporation Stabilizing the lock up of a bi-phase stable FPLL by augmenting a recovered DC pilot
AU8009594A (en) * 1994-08-04 1996-03-04 Harry Edwin Emerson Radio scanner and display system
JP3268138B2 (ja) * 1994-09-29 2002-03-25 三菱電機株式会社 通信装置、周波数シンセサイザ及びシンセサイズ方法
JPH09512408A (ja) * 1994-12-23 1997-12-09 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 組み合わされたｔｖ／ｆｍ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
US5606731A (en) * 1995-03-07 1997-02-25 Motorola, Inc. Zerox-IF receiver with tracking second local oscillator and demodulator phase locked loop oscillator
US6177964B1 (en) * 1997-08-01 2001-01-23 Microtune, Inc. Broadband integrated television tuner
US5737035A (en) * 1995-04-21 1998-04-07 Microtune, Inc. Highly integrated television tuner on a single microcircuit
WO2000028664A2 (en) * 1998-11-12 2000-05-18 Broadcom Corporation Fully integrated tuner architecture
JP4462729B2 (ja) * 2000-07-06 2010-05-12 株式会社ルネサステクノロジ 映像中間周波処理装置
KR100363168B1 (ko) * 2000-09-21 2002-12-05 삼성전자 주식회사 방송 신호 수신기의 튜닝 시스템 및 방법
US7715437B2 (en) * 2001-09-27 2010-05-11 Broadcom Corporation Highly integrated media access control
US7304689B2 (en) * 2002-06-06 2007-12-04 Microtune (Texas), L.P. Single chip tuner for multi receiver applications
US20040230997A1 (en) * 2003-05-13 2004-11-18 Broadcom Corporation Single-chip cable set-top box
FR2867926B1 (fr) * 2004-03-16 2006-07-07 St Microelectronics Sa Procede et systeme de reception satellitaire
US8732788B2 (en) * 2004-05-21 2014-05-20 Broadcom Corporation Integrated set-top box
US8578434B2 (en) 2004-05-21 2013-11-05 Broadcom Corporation Integrated cable modem
US8239914B2 (en) 2004-07-22 2012-08-07 Broadcom Corporation Highly integrated single chip set-top box
US20060123457A1 (en) * 2004-12-03 2006-06-08 Broadcom Corporation Universal single chip set-top box
US20070294738A1 (en) * 2006-06-16 2007-12-20 Broadcom Corporation Single chip cable set-top box supporting DOCSIS set-top Gateway (DSG) protocol and high definition advanced video codec (HD AVC) decode

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62132417A (ja) * 1985-12-04 1987-06-15 Alps Electric Co Ltd Ａｆｔデフイ−ト回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388649A (en) * 1981-06-01 1983-06-14 Rca Corporation AFT Lockout prevention system
US4575761A (en) * 1983-04-28 1986-03-11 Rca Corporation AFT arrangement for a double conversion tuner
JPS61111032A (ja) * 1984-11-05 1986-05-29 Yuniden Kk 受信機器における受信周波数帯弁別方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62132417A (ja) * 1985-12-04 1987-06-15 Alps Electric Co Ltd Ａｆｔデフイ−ト回路

Also Published As

Publication number Publication date
US4855835A (en) 1989-08-08

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