BR9503093A - Sintonizador de satélite de transmissão direta com um circuito de retorno negativo de compressão de imagem - Google Patents

Sintonizador de satélite de transmissão direta com um circuito de retorno negativo de compressão de imagem

Info

Publication number
BR9503093A
BR9503093A BR9503093A BR9503093A BR9503093A BR 9503093 A BR9503093 A BR 9503093A BR 9503093 A BR9503093 A BR 9503093A BR 9503093 A BR9503093 A BR 9503093A BR 9503093 A BR9503093 A BR 9503093A
Authority
BR
Brazil
Prior art keywords
feedback loop
image compression
negative image
direct transmission
satellite tuner
Prior art date
Application number
BR9503093A
Other languages
English (en)
Inventor
Hsi-Yung Ku
Original Assignee
Hwa Lin Electronic Co Ltda
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
Priority to US08/483,161 priority Critical patent/US5575001A/en
Priority to GB9511750A priority patent/GB2301960A/en
Priority to DE19522317A priority patent/DE19522317A1/de
Application filed by Hwa Lin Electronic Co Ltda filed Critical Hwa Lin Electronic Co Ltda
Priority to BR9503093A priority patent/BR9503093A/pt
Publication of BR9503093A publication Critical patent/BR9503093A/pt

Links

Classifications

    • 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
    • H04N5/4446—IF amplifier circuits specially adapted for B&W TV
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Amplifiers (AREA)
  • Superheterodyne Receivers (AREA)
BR9503093A 1995-06-07 1995-07-06 Sintonizador de satélite de transmissão direta com um circuito de retorno negativo de compressão de imagem BR9503093A (pt)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US08/483,161 US5575001A (en) 1995-06-07 1995-06-07 Direct broadcasting satellite tuner with a negative feedback and image compression circuit
GB9511750A GB2301960A (en) 1995-06-07 1995-06-09 Direct broadcasting satellite tuner
DE19522317A DE19522317A1 (de) 1995-06-07 1995-06-20 Direktempfangssatellit-Abstimmgerät mit einer Schaltung für negative Rückkopplung und Bildkompression
BR9503093A BR9503093A (pt) 1995-06-07 1995-07-06 Sintonizador de satélite de transmissão direta com um circuito de retorno negativo de compressão de imagem

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/483,161 US5575001A (en) 1995-06-07 1995-06-07 Direct broadcasting satellite tuner with a negative feedback and image compression circuit
GB9511750A GB2301960A (en) 1995-06-07 1995-06-09 Direct broadcasting satellite tuner
DE19522317A DE19522317A1 (de) 1995-06-07 1995-06-20 Direktempfangssatellit-Abstimmgerät mit einer Schaltung für negative Rückkopplung und Bildkompression
BR9503093A BR9503093A (pt) 1995-06-07 1995-07-06 Sintonizador de satélite de transmissão direta com um circuito de retorno negativo de compressão de imagem

Publications (1)

Publication Number Publication Date
BR9503093A true BR9503093A (pt) 1996-01-02

Family

ID=27425252

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9503093A BR9503093A (pt) 1995-06-07 1995-07-06 Sintonizador de satélite de transmissão direta com um circuito de retorno negativo de compressão de imagem

Country Status (4)

Country Link
US (1) US5575001A (pt)
BR (1) BR9503093A (pt)
DE (1) DE19522317A1 (pt)
GB (1) GB2301960A (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5995818A (en) * 1996-07-30 1999-11-30 Trw Inc. Low noise block downconverter
US5819157A (en) * 1997-06-18 1998-10-06 Lsi Logic Corporation Reduced power tuner chip with integrated voltage regulator for a satellite receiver system
US5999793A (en) * 1997-06-18 1999-12-07 Lsi Logic Corporation Satellite receiver tuner chip with frequency synthesizer having an externally configurable charge pump
US6516187B1 (en) * 1998-03-13 2003-02-04 Maxim Integrated Products, Inc. DC offset correction for direct conversion tuner IC
US7068987B2 (en) 2000-10-02 2006-06-27 Conexant, Inc. Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture
KR100438533B1 (ko) * 2000-11-30 2004-07-03 엘지전자 주식회사 이미지 주파수 제거 회로
WO2002060052A2 (en) 2001-01-02 2002-08-01 Intersil Americas Inc. Precision automatic gain control circuit
US20050143031A1 (en) * 2002-02-06 2005-06-30 Oswald Moonen Multi-band receiver
JP2004312081A (ja) * 2003-04-02 2004-11-04 Matsushita Electric Ind Co Ltd 放送波受信装置
GB2401498B (en) * 2003-05-07 2006-02-22 Zarlink Semiconductor Ltd Tuner
CN110764153B (zh) * 2019-11-15 2021-06-08 上海航天测控通信研究所 一种星载微波成像仪热镜背瓣在轨误差校正系统及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626301A (en) * 1970-05-21 1971-12-07 Trw Inc Band-pass phase-lock receiver
US3936753A (en) * 1974-07-12 1976-02-03 Martin Marietta Corporation Digital automatic frequency control circuit
US3942120A (en) * 1974-07-22 1976-03-02 Texas Instruments Incorporated SWD FM receiver circuit
JPS5826699B2 (ja) * 1975-11-13 1983-06-04 ソニー株式会社 チユ−ナ
US4263676A (en) * 1979-07-23 1981-04-21 Motorola, Inc. RF amplifying system having image rejection
JPS5957534A (ja) * 1982-09-27 1984-04-03 Alps Electric Co Ltd 衛星放送用受信器の屋内ユニツト
JPS642423A (en) * 1987-06-25 1989-01-06 Mitsubishi Electric Corp Receiver
US5034695A (en) * 1989-06-16 1991-07-23 Owen Joseph C Full threshold FM demodulator
JP3141900B2 (ja) * 1992-04-07 2001-03-07 ソニー株式会社 Ａｆｃ回路及びそのｉｃ

Also Published As

Publication number Publication date
US5575001A (en) 1996-11-12
GB9511750D0 (en) 1995-08-02
GB2301960A (en) 1996-12-18
DE19522317A1 (de) 1997-01-02

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law