JPS5416101A - Method of and device for compensating nonnlinear bias voltageefrequency characteristics of voltage control tuner - Google Patents
Method of and device for compensating nonnlinear bias voltageefrequency characteristics of voltage control tunerInfo
- Publication number
- JPS5416101A JPS5416101A JP4861478A JP4861478A JPS5416101A JP S5416101 A JPS5416101 A JP S5416101A JP 4861478 A JP4861478 A JP 4861478A JP 4861478 A JP4861478 A JP 4861478A JP S5416101 A JPS5416101 A JP S5416101A
- Authority
- JP
- Japan
- Prior art keywords
- voltageefrequency
- nonnlinear
- compensating
- bias
- voltage control
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
-
- 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
- H03J5/02—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
- H03J5/0263—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/791,897 US4142157A (en) | 1977-04-28 | 1977-04-28 | Tuning system equalized with the slope factor of the tuning curve |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5416101A true JPS5416101A (en) | 1979-02-06 |
Family
ID=25155130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4861478A Pending JPS5416101A (en) | 1977-04-28 | 1978-04-24 | Method of and device for compensating nonnlinear bias voltageefrequency characteristics of voltage control tuner |
Country Status (3)
Country | Link |
---|---|
US (1) | US4142157A (ja) |
JP (1) | JPS5416101A (ja) |
CA (1) | CA1111581A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5975757A (ja) * | 1982-10-22 | 1984-04-28 | Matsushita Electric Ind Co Ltd | 記録紙制御装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53131702A (en) * | 1977-04-21 | 1978-11-16 | Sony Corp | Electronic tuning device |
US4450587A (en) * | 1981-11-27 | 1984-05-22 | Rca Corporation | Tuning arrangement for providing relatively uniform automatic fine tuning sensitivity |
US4426734A (en) * | 1982-02-26 | 1984-01-17 | Rca Corporation | Arrangement useful in a phase locked loop tuning control system for selectively applying an aft voltage in a manner to improve loop stability |
JPH0998102A (ja) * | 1995-09-29 | 1997-04-08 | Sanyo Electric Co Ltd | ラジオ受信機 |
DE19602573A1 (de) * | 1996-01-25 | 1997-08-07 | Grundig Ag | Tuner für den Empfang digitaler Signale |
US6046781A (en) * | 1997-01-07 | 2000-04-04 | Samsung Electronics Co., Ltd. | Automatic fine tuning of TV receiver for receiving both digital and analog TV signals |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3715687A (en) * | 1972-04-05 | 1973-02-06 | Gte Sylvania Inc | Non-linear voltage generating apparatus |
US3914696A (en) * | 1974-01-18 | 1975-10-21 | Rca Corp | Controllable reference supply for television tuners |
US4017800A (en) * | 1975-04-29 | 1977-04-12 | General Instrument Corporation | Delinearization circuit |
-
1977
- 1977-04-28 US US05/791,897 patent/US4142157A/en not_active Expired - Lifetime
-
1978
- 1978-04-07 CA CA300,708A patent/CA1111581A/en not_active Expired
- 1978-04-24 JP JP4861478A patent/JPS5416101A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5975757A (ja) * | 1982-10-22 | 1984-04-28 | Matsushita Electric Ind Co Ltd | 記録紙制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US4142157A (en) | 1979-02-27 |
CA1111581A (en) | 1981-10-27 |
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