JPS5389651A - Starttstop circuit of vfo - Google Patents
Starttstop circuit of vfoInfo
- Publication number
- JPS5389651A JPS5389651A JP394577A JP394577A JPS5389651A JP S5389651 A JPS5389651 A JP S5389651A JP 394577 A JP394577 A JP 394577A JP 394577 A JP394577 A JP 394577A JP S5389651 A JPS5389651 A JP S5389651A
- Authority
- JP
- Japan
- Prior art keywords
- vfo
- starttstop
- circuit
- leading
- oscillation
- 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
- 230000010355 oscillation Effects 0.000 abstract 2
- 230000007257 malfunction 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
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/104—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional signal from outside the loop for setting or controlling a parameter in the loop
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
PURPOSE:To prevent malfunctions of succeeding logical operation with keeping the leading-in time of VFO constant by stopping oscillation at a LOW level and starting oscillation simultaneously with the leading edge of the input signal in a symmetrical astable multivibrator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP394577A JPS5389651A (en) | 1977-01-19 | 1977-01-19 | Starttstop circuit of vfo |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP394577A JPS5389651A (en) | 1977-01-19 | 1977-01-19 | Starttstop circuit of vfo |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5389651A true JPS5389651A (en) | 1978-08-07 |
Family
ID=11571248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP394577A Pending JPS5389651A (en) | 1977-01-19 | 1977-01-19 | Starttstop circuit of vfo |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5389651A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55112045A (en) * | 1979-02-22 | 1980-08-29 | Sony Corp | Pll circuit |
JPS6093825A (en) * | 1983-09-29 | 1985-05-25 | テクトロニツクス・インコーポレイテツド | Method and circuit for initializing phase lock loop |
WO1992002986A1 (en) * | 1990-08-07 | 1992-02-20 | Seiko Epson Corporation | Phase synchronizing circuit |
-
1977
- 1977-01-19 JP JP394577A patent/JPS5389651A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55112045A (en) * | 1979-02-22 | 1980-08-29 | Sony Corp | Pll circuit |
JPS6093825A (en) * | 1983-09-29 | 1985-05-25 | テクトロニツクス・インコーポレイテツド | Method and circuit for initializing phase lock loop |
WO1992002986A1 (en) * | 1990-08-07 | 1992-02-20 | Seiko Epson Corporation | Phase synchronizing circuit |
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