JPS5754017B2 - - Google Patents
Info
- Publication number
- JPS5754017B2 JPS5754017B2 JP51153016A JP15301676A JPS5754017B2 JP S5754017 B2 JPS5754017 B2 JP S5754017B2 JP 51153016 A JP51153016 A JP 51153016A JP 15301676 A JP15301676 A JP 15301676A JP S5754017 B2 JPS5754017 B2 JP S5754017B2
- Authority
- JP
- Japan
- 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
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)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Transceivers (AREA)
- Superheterodyne Receivers (AREA)
- Transmitters (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15301676A JPS5375715A (en) | 1976-12-16 | 1976-12-16 | Control signal generating circuit of frequency synthesizer for transceiver |
| CA292,647A CA1089017A (en) | 1976-12-16 | 1977-12-08 | Channel selecting apparatus in receiver |
| US05/859,265 US4198605A (en) | 1976-12-16 | 1977-12-09 | Channel selecting apparatus in a receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15301676A JPS5375715A (en) | 1976-12-16 | 1976-12-16 | Control signal generating circuit of frequency synthesizer for transceiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5375715A JPS5375715A (en) | 1978-07-05 |
| JPS5754017B2 true JPS5754017B2 (US20100223739A1-20100909-C00005.png) | 1982-11-16 |
Family
ID=15553110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15301676A Granted JPS5375715A (en) | 1976-12-16 | 1976-12-16 | Control signal generating circuit of frequency synthesizer for transceiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5375715A (US20100223739A1-20100909-C00005.png) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5017501A (US20100223739A1-20100909-C00005.png) * | 1973-06-14 | 1975-02-24 |
-
1976
- 1976-12-16 JP JP15301676A patent/JPS5375715A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5017501A (US20100223739A1-20100909-C00005.png) * | 1973-06-14 | 1975-02-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5375715A (en) | 1978-07-05 |
