CA1283709C - Low noise converter - Google Patents
Low noise converterInfo
- 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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987115479U JPS6421536U (US06521211-20030218-C00004.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)
Families Citing this family (2)
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)
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 |
-
1987
- 1987-07-27 JP JP1987115479U patent/JPS6421536U/ja active Pending
-
1988
- 1988-07-06 CA CA000571244A patent/CA1283709C/en not_active Expired - Lifetime
- 1988-07-25 US US07/223,614 patent/US4955076A/en not_active Expired - Lifetime
- 1988-07-27 DE DE8888306932T patent/DE3866461D1/de not_active Expired - Lifetime
- 1988-07-27 EP EP88306932A patent/EP0301839B1/en not_active Expired
- 1988-11-27 KR KR2019880012184U patent/KR930000224Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS6421536U (US06521211-20030218-C00004.png) | 1989-02-02 |
EP0301839A3 (en) | 1989-05-03 |
EP0301839A2 (en) | 1989-02-01 |
EP0301839B1 (en) | 1991-11-27 |
US4955076A (en) | 1990-09-04 |
DE3866461D1 (de) | 1992-01-09 |
KR930000224Y1 (ko) | 1993-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |