JPS639684B2 - - Google Patents
Info
- Publication number
- JPS639684B2 JPS639684B2 JP55147250A JP14725080A JPS639684B2 JP S639684 B2 JPS639684 B2 JP S639684B2 JP 55147250 A JP55147250 A JP 55147250A JP 14725080 A JP14725080 A JP 14725080A JP S639684 B2 JPS639684 B2 JP S639684B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- output
- intermediate frequency
- variable
- circuit
- 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.)
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14725080A JPS5769926A (en) | 1980-10-20 | 1980-10-20 | Pll synthesizer receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14725080A JPS5769926A (en) | 1980-10-20 | 1980-10-20 | Pll synthesizer receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5769926A JPS5769926A (en) | 1982-04-30 |
| JPS639684B2 true JPS639684B2 (enrdf_load_stackoverflow) | 1988-03-01 |
Family
ID=15425974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14725080A Granted JPS5769926A (en) | 1980-10-20 | 1980-10-20 | Pll synthesizer receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5769926A (enrdf_load_stackoverflow) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5478010A (en) * | 1977-12-02 | 1979-06-21 | Beltek Corp | Radio receiver |
-
1980
- 1980-10-20 JP JP14725080A patent/JPS5769926A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5769926A (en) | 1982-04-30 |