CA1283709C - Low noise converter - Google Patents

Low noise converter

Info

Publication number
CA1283709C
CA1283709C CA000571244A CA571244A CA1283709C CA 1283709 C CA1283709 C CA 1283709C CA 000571244 A CA000571244 A CA 000571244A CA 571244 A CA571244 A CA 571244A CA 1283709 C CA1283709 C CA 1283709C
Authority
CA
Canada
Prior art keywords
voltage
supply voltage
power supply
switch means
band
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
CA000571244A
Other languages
English (en)
French (fr)
Inventor
Mitsuhiro Noboru
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of CA1283709C publication Critical patent/CA1283709C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means

Landscapes

  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Noise Elimination (AREA)
CA000571244A 1987-07-27 1988-07-06 Low noise converter Expired - Lifetime CA1283709C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1987115479U JPS6421536U (US07223432-20070529-C00017.png) 1987-07-27 1987-07-27
JP62-115479 1987-07-27

Publications (1)

Publication Number Publication Date
CA1283709C true CA1283709C (en) 1991-04-30

Family

ID=14663541

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000571244A Expired - Lifetime CA1283709C (en) 1987-07-27 1988-07-06 Low noise converter

Country Status (6)

Country Link
US (1) US4955076A (US07223432-20070529-C00017.png)
EP (1) EP0301839B1 (US07223432-20070529-C00017.png)
JP (1) JPS6421536U (US07223432-20070529-C00017.png)
KR (1) KR930000224Y1 (US07223432-20070529-C00017.png)
CA (1) CA1283709C (US07223432-20070529-C00017.png)
DE (1) DE3866461D1 (US07223432-20070529-C00017.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157786A (en) * 1990-08-31 1992-10-20 Thomson Consumer Electronics Biasing networks for balanced mixers
JP4513562B2 (ja) * 2004-12-28 2010-07-28 アンデン株式会社 リレー駆動回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA948727A (en) * 1972-04-07 1974-06-04 Michael W. Mclernon Signal receiver with a plurality of tuners and automatic switching system for cyclically energizing the same
US3924192A (en) * 1974-06-03 1975-12-02 Rca Corp Multiband random channel address crystal-lock tuning system
JPS5850665Y2 (ja) * 1977-06-02 1983-11-18 ホーチキ株式会社 増幅器トラップ回路の遠隔制御装置
JPS56166612A (en) * 1980-05-26 1981-12-21 Pioneer Electronic Corp Level shifting circuit
US4672687A (en) * 1985-01-29 1987-06-09 Satellite Technology Services, Inc. Polarity switch for satellite television receiver
JPS62115478A (ja) * 1985-11-15 1987-05-27 Canon Inc 画像形成装置

Also Published As

Publication number Publication date
EP0301839B1 (en) 1991-11-27
DE3866461D1 (de) 1992-01-09
KR930000224Y1 (ko) 1993-01-18
US4955076A (en) 1990-09-04
EP0301839A3 (en) 1989-05-03
EP0301839A2 (en) 1989-02-01
JPS6421536U (US07223432-20070529-C00017.png) 1989-02-02

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Legal Events

Date Code Title Description
MKEX Expiry