KR20060013554A - 자동 이득 제어의 기능을 갖는 채널 선택기 - Google Patents

자동 이득 제어의 기능을 갖는 채널 선택기 Download PDF

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Publication number
KR20060013554A
KR20060013554A KR1020057022395A KR20057022395A KR20060013554A KR 20060013554 A KR20060013554 A KR 20060013554A KR 1020057022395 A KR1020057022395 A KR 1020057022395A KR 20057022395 A KR20057022395 A KR 20057022395A KR 20060013554 A KR20060013554 A KR 20060013554A
Authority
KR
South Korea
Prior art keywords
agc
switched
attenuator
level
amplifier
Prior art date
Application number
KR1020057022395A
Other languages
English (en)
Korean (ko)
Inventor
감 춘 광
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
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 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 코닌클리케 필립스 일렉트로닉스 엔.브이.
Publication of KR20060013554A publication Critical patent/KR20060013554A/ko

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • 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
    • H04N5/52—Automatic gain control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
KR1020057022395A 2003-05-27 2004-05-24 자동 이득 제어의 기능을 갖는 채널 선택기 KR20060013554A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IBPCT/IB03/03970 2003-05-27
IB0303970 2003-05-27

Publications (1)

Publication Number Publication Date
KR20060013554A true KR20060013554A (ko) 2006-02-10

Family

ID=33485268

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057022395A KR20060013554A (ko) 2003-05-27 2004-05-24 자동 이득 제어의 기능을 갖는 채널 선택기

Country Status (5)

Country Link
EP (1) EP1632027A1 (zh)
JP (1) JP2007500989A (zh)
KR (1) KR20060013554A (zh)
CN (1) CN100546184C (zh)
WO (1) WO2004107574A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200045455A (ko) * 2020-04-17 2020-05-04 삼성에스디아이 주식회사 이차전지 및 그 케이스 제조방법

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4676365B2 (ja) * 2006-03-20 2011-04-27 新日本無線株式会社 利得切換増幅器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172239A (en) * 1978-10-06 1979-10-23 Rca Corporation Signal attenuator
JP3371506B2 (ja) * 1994-02-14 2003-01-27 株式会社日立製作所 受信装置
US5940143A (en) * 1995-10-06 1999-08-17 Hitachi, Ltd. High-definition television signal receiving apparatus and gain control circuit thereof
JP2996170B2 (ja) * 1996-03-21 1999-12-27 日本電気株式会社 利得制御回路
JP3627783B2 (ja) * 1996-12-26 2005-03-09 シャープ株式会社 ケーブルモデム用チューナ
CN1190964C (zh) * 2000-02-14 2005-02-23 夏普公司 电缆调制解调器的调谐器
WO2004098052A1 (en) * 2003-04-29 2004-11-11 Koninklijke Philips Electronics N. V. Receiver circuit with adjustable if amplifier gain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200045455A (ko) * 2020-04-17 2020-05-04 삼성에스디아이 주식회사 이차전지 및 그 케이스 제조방법

Also Published As

Publication number Publication date
CN100546184C (zh) 2009-09-30
JP2007500989A (ja) 2007-01-18
WO2004107574A1 (en) 2004-12-09
EP1632027A1 (en) 2006-03-08
CN1795612A (zh) 2006-06-28

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N231 Notification of change of applicant
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid