JPS546410A - Channel selector - Google Patents
Channel selectorInfo
- Publication number
- JPS546410A JPS546410A JP7112477A JP7112477A JPS546410A JP S546410 A JPS546410 A JP S546410A JP 7112477 A JP7112477 A JP 7112477A JP 7112477 A JP7112477 A JP 7112477A JP S546410 A JPS546410 A JP S546410A
- Authority
- JP
- Japan
- Prior art keywords
- channel selector
- simplification
- transceiver
- counter
- improvement
- 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)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Transceivers (AREA)
- Superheterodyne Receivers (AREA)
Abstract
PURPOSE:To realize the improvement of operations and the simplification of a circuit constitution, by controlling two operation switches, a memory unit, and counter in a transceiver.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7112477A JPS546410A (en) | 1977-06-17 | 1977-06-17 | Channel selector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7112477A JPS546410A (en) | 1977-06-17 | 1977-06-17 | Channel selector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS546410A true JPS546410A (en) | 1979-01-18 |
Family
ID=13451495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7112477A Pending JPS546410A (en) | 1977-06-17 | 1977-06-17 | Channel selector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS546410A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59171436U (en) * | 1983-04-30 | 1984-11-16 | カシオ計算機株式会社 | variable frequency generator |
JPH02276313A (en) * | 1990-02-14 | 1990-11-13 | Casio Comput Co Ltd | Variable data generator |
-
1977
- 1977-06-17 JP JP7112477A patent/JPS546410A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59171436U (en) * | 1983-04-30 | 1984-11-16 | カシオ計算機株式会社 | variable frequency generator |
JPH02276313A (en) * | 1990-02-14 | 1990-11-13 | Casio Comput Co Ltd | Variable data generator |
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