JPS52123854A - Generator of variable frequency signal - Google Patents
Generator of variable frequency signalInfo
- Publication number
- JPS52123854A JPS52123854A JP4105776A JP4105776A JPS52123854A JP S52123854 A JPS52123854 A JP S52123854A JP 4105776 A JP4105776 A JP 4105776A JP 4105776 A JP4105776 A JP 4105776A JP S52123854 A JPS52123854 A JP S52123854A
- Authority
- JP
- Japan
- Prior art keywords
- frequency signal
- generator
- variable frequency
- switching time
- channel switching
- 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
- 238000004904 shortening Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Superheterodyne Receivers (AREA)
Abstract
PURPOSE:To eliminate the dicrepancy of the switching time caused by the channel switching width and to obtain the required frequency signal by shortening the channel switching time in frequency synthesizer system using the phase synchronous loop.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4105776A JPS52123854A (en) | 1976-04-12 | 1976-04-12 | Generator of variable frequency signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4105776A JPS52123854A (en) | 1976-04-12 | 1976-04-12 | Generator of variable frequency signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52123854A true JPS52123854A (en) | 1977-10-18 |
Family
ID=12597772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4105776A Pending JPS52123854A (en) | 1976-04-12 | 1976-04-12 | Generator of variable frequency signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52123854A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01243626A (en) * | 1988-03-25 | 1989-09-28 | Hitachi Ltd | Pll synthesizer tuner |
JPH06284005A (en) * | 1993-03-24 | 1994-10-07 | Nec Corp | Phase synchronizing oscillation circuit |
-
1976
- 1976-04-12 JP JP4105776A patent/JPS52123854A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01243626A (en) * | 1988-03-25 | 1989-09-28 | Hitachi Ltd | Pll synthesizer tuner |
JPH06284005A (en) * | 1993-03-24 | 1994-10-07 | Nec Corp | Phase synchronizing oscillation circuit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5291637A (en) | Frequency conversion system | |
JPS52123854A (en) | Generator of variable frequency signal | |
JPS52127147A (en) | Phase cynchronizing oscillator | |
JPS5212549A (en) | Frequency synthesizer | |
JPS5354456A (en) | Phase synchronizing oscillator | |
JPS5431260A (en) | Digital control phase synchronizing device | |
ES471307A1 (en) | Master clock arrangement | |
JPS5431257A (en) | Phase synchronous loop circuit | |
JPS5310209A (en) | Pll synthesizer | |
JPS5384549A (en) | Phase synchronous circuit | |
JPS52106257A (en) | Frequency synthesizer | |
JPS5368553A (en) | Phase synchronous loop | |
JPS5381057A (en) | Phase control system of synchronous oscillating circuit | |
JPS53133354A (en) | Phase synchronizing circuit | |
JPS5378156A (en) | Phse sweep synchronous circuit | |
JPS5333090A (en) | Phase synchronizing oscillator | |
JPS5222857A (en) | Frequency synthesizer | |
JPS52151550A (en) | Clock generator | |
JPS53144242A (en) | Phase synchronous control circuit | |
JPS5394167A (en) | Digital phase synchronous loop | |
JPS5367337A (en) | Digital phase synchronous circuit | |
JPS5236452A (en) | Frequency follow circuit | |
JPS52123119A (en) | Carrier wave supply unit of multi-direction multiple telephone system | |
JPS52124846A (en) | Filter switch of digital phase synchronous oscillator | |
JPS5337356A (en) | Pll frequency synthesizer |