JPS54159124A - Clock forming circuit in synchronizing with burst signal - Google Patents
Clock forming circuit in synchronizing with burst signalInfo
- Publication number
- JPS54159124A JPS54159124A JP6854078A JP6854078A JPS54159124A JP S54159124 A JPS54159124 A JP S54159124A JP 6854078 A JP6854078 A JP 6854078A JP 6854078 A JP6854078 A JP 6854078A JP S54159124 A JPS54159124 A JP S54159124A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- synchronizing
- frequency
- burst signal
- difference
- 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.)
- Granted
Links
Abstract
PURPOSE: To develop the clocks in synchronizing with the burst signal, by detecting the frequency signal of the difference between the clock output in synchronizing with the burst signal and the signal N times the horizontal synchronizing frequency and controlling the oscillator so that the frequency having a given difference can be obtained with the output.
CONSTITUTION: The start stop type oscillator 7 obtaines the clock in synchronizing with the burst signal started with the burst signal, and it is inputted to the multiplier 11 together with the output signal having the frequency N times the horizontal synchronising signal form the signal forming circuit 8, and the signal having the frequency for the difference of the both input frequencies is outputted. Further, this signal is detected 13, and the oscillation frequency of the oscillator 7 is controlled so that the freqyency difference can be constant based on the detected output. Thus, with a simple constitution, the clock in synchronizing with the burst signal can be obtained.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53068540A JPS6011517B2 (en) | 1978-06-07 | 1978-06-07 | Clock formation circuit synchronized with burst signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53068540A JPS6011517B2 (en) | 1978-06-07 | 1978-06-07 | Clock formation circuit synchronized with burst signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54159124A true JPS54159124A (en) | 1979-12-15 |
JPS6011517B2 JPS6011517B2 (en) | 1985-03-26 |
Family
ID=13376670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53068540A Expired JPS6011517B2 (en) | 1978-06-07 | 1978-06-07 | Clock formation circuit synchronized with burst signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6011517B2 (en) |
-
1978
- 1978-06-07 JP JP53068540A patent/JPS6011517B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6011517B2 (en) | 1985-03-26 |
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