JPS5744310A - Televison intermediate frequency amplifying system - Google Patents
Televison intermediate frequency amplifying systemInfo
- Publication number
- JPS5744310A JPS5744310A JP56099559A JP9955981A JPS5744310A JP S5744310 A JPS5744310 A JP S5744310A JP 56099559 A JP56099559 A JP 56099559A JP 9955981 A JP9955981 A JP 9955981A JP S5744310 A JPS5744310 A JP S5744310A
- Authority
- JP
- Japan
- Prior art keywords
- televison
- intermediate frequency
- frequency amplifying
- amplifying system
- televison intermediate
- 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.)
- Granted
Links
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
- H03G3/3063—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 using at least one transistor as controlling device, the transistor being used as a variable impedance device
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/163,143 US4366443A (en) | 1980-06-26 | 1980-06-26 | Television intermediate frequency amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5744310A true JPS5744310A (en) | 1982-03-12 |
JPS6335121B2 JPS6335121B2 (ja) | 1988-07-13 |
Family
ID=22588672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56099559A Granted JPS5744310A (en) | 1980-06-26 | 1981-06-25 | Televison intermediate frequency amplifying system |
Country Status (9)
Country | Link |
---|---|
US (1) | US4366443A (ja) |
JP (1) | JPS5744310A (ja) |
AT (1) | AT395501B (ja) |
AU (1) | AU539565B2 (ja) |
CA (1) | CA1168320A (ja) |
DE (1) | DE3125199C2 (ja) |
FR (1) | FR2485848B1 (ja) |
GB (1) | GB2079078B (ja) |
IT (1) | IT1136891B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6022814A (ja) * | 1983-07-19 | 1985-02-05 | Nec Corp | 集積回路 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4342005A (en) * | 1980-06-26 | 1982-07-27 | Rca Corporation | Television intermediate frequency amplifier with feedback stabilization |
US5365279A (en) * | 1992-09-08 | 1994-11-15 | Samsung Electronics Co., Ltd. | Using D-C feedback with on-chip filtering to balance I-F drive to second detector in monolithic IC |
US5305109A (en) * | 1992-09-08 | 1994-04-19 | Samsung Electronics Co., Ltd. | Parallel untuned video if amplifiers supplied signals from TV 1st detector via respective input filters |
US5471665A (en) * | 1994-10-18 | 1995-11-28 | Motorola, Inc. | Differential DC offset compensation circuit |
US11735902B2 (en) | 2020-03-24 | 2023-08-22 | Analog Devices International Unlimited Company | Bipolar junction transistor heater circuit |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB673258A (en) * | 1949-05-28 | 1952-06-04 | Rca Corp | Improvements in signal amplitude control systems employing semi-conductor devices |
GB936629A (en) * | 1960-10-03 | 1963-09-11 | Secr Aviation | Improvements in and relating to amplifiers employing transistors |
DE1192703B (de) * | 1964-01-04 | 1965-05-13 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zur Auf- und Abwaertsregelung eines zweistufigen Transistorverstaerkers |
US3331028A (en) * | 1965-01-21 | 1967-07-11 | Avco Corp | Multistage transistor amplifier in which the impedances of the various stages are successively varied to control gain |
US3641450A (en) * | 1970-12-15 | 1972-02-08 | Motorola Inc | Gain controlled differential amplifier circuit |
JPS52153651A (en) * | 1976-06-17 | 1977-12-20 | Sony Corp | Gain changing circuit |
-
1980
- 1980-06-26 US US06/163,143 patent/US4366443A/en not_active Expired - Lifetime
-
1981
- 1981-06-18 CA CA000380131A patent/CA1168320A/en not_active Expired
- 1981-06-19 AU AU71988/81A patent/AU539565B2/en not_active Expired
- 1981-06-22 IT IT22497/81A patent/IT1136891B/it active
- 1981-06-23 GB GB8119308A patent/GB2079078B/en not_active Expired
- 1981-06-25 FR FR8112548A patent/FR2485848B1/fr not_active Expired
- 1981-06-25 JP JP56099559A patent/JPS5744310A/ja active Granted
- 1981-06-26 AT AT0286381A patent/AT395501B/de not_active IP Right Cessation
- 1981-06-26 DE DE3125199A patent/DE3125199C2/de not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6022814A (ja) * | 1983-07-19 | 1985-02-05 | Nec Corp | 集積回路 |
JPH0151210B2 (ja) * | 1983-07-19 | 1989-11-02 | Nippon Electric Co |
Also Published As
Publication number | Publication date |
---|---|
GB2079078B (en) | 1984-03-07 |
FR2485848B1 (fr) | 1985-10-25 |
IT8122497A0 (it) | 1981-06-22 |
AU539565B2 (en) | 1984-10-04 |
AT395501B (de) | 1993-01-25 |
IT1136891B (it) | 1986-09-03 |
FR2485848A1 (fr) | 1981-12-31 |
US4366443A (en) | 1982-12-28 |
DE3125199A1 (de) | 1982-04-01 |
AU7198881A (en) | 1982-01-07 |
CA1168320A (en) | 1984-05-29 |
DE3125199C2 (de) | 1987-04-30 |
GB2079078A (en) | 1982-01-13 |
ATA286381A (de) | 1992-05-15 |
JPS6335121B2 (ja) | 1988-07-13 |
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