JPS5295909A - Frequency setting device of synthesizor tuner - Google Patents
Frequency setting device of synthesizor tunerInfo
- Publication number
- JPS5295909A JPS5295909A JP1225676A JP1225676A JPS5295909A JP S5295909 A JPS5295909 A JP S5295909A JP 1225676 A JP1225676 A JP 1225676A JP 1225676 A JP1225676 A JP 1225676A JP S5295909 A JPS5295909 A JP S5295909A
- Authority
- JP
- Japan
- Prior art keywords
- frequency setting
- synthesizor
- tuner
- setting device
- thespecific
- 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
- 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
- H03J5/0272—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
- H03J5/0281—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Superheterodyne Receivers (AREA)
Abstract
PURPOSE:Providing the parallel input switch for each shift register enables accurate frequency setting and facilitates writing into thespecific memory element of corresponding frequency.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1225676A JPS5295909A (en) | 1976-02-09 | 1976-02-09 | Frequency setting device of synthesizor tuner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1225676A JPS5295909A (en) | 1976-02-09 | 1976-02-09 | Frequency setting device of synthesizor tuner |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5295909A true JPS5295909A (en) | 1977-08-12 |
Family
ID=11800276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1225676A Pending JPS5295909A (en) | 1976-02-09 | 1976-02-09 | Frequency setting device of synthesizor tuner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5295909A (en) |
-
1976
- 1976-02-09 JP JP1225676A patent/JPS5295909A/en active Pending
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