JPS56164625A - Phase shifting circuit - Google Patents
Phase shifting circuitInfo
- Publication number
- JPS56164625A JPS56164625A JP6810080A JP6810080A JPS56164625A JP S56164625 A JPS56164625 A JP S56164625A JP 6810080 A JP6810080 A JP 6810080A JP 6810080 A JP6810080 A JP 6810080A JP S56164625 A JPS56164625 A JP S56164625A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- frequency
- slave type
- phase shifting
- phase
- 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
Landscapes
- Pulse Circuits (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
PURPOSE: To simplify the constitution of an output signal having at least two types of phases, by constituting a 1/2 frequency divider with a master slave type FF circuit and supplying the output of an FF circuit for slaves and control pulses to a logical circuit.
CONSTITUTION: In a master slave type FF circuit 10, a clock signal CP is divided to 1/2 frequency, and frequency-divided outputs S1, -S1, are obtained from an FF circuit 10M for a master and this is fed to a color encoder 20 as the reference signal. On the other hand, from a slave type FF circuit 10S, frequency-dividing outputs S2, -S2 in which the same frequency-dividing ratio is obtained and the phase only is shifted by 90°, are outputted. In this case, the phase shifting amount changes with the duty of the clock signal CP, and when the duty is 50%, phase lag or lead is made to the signals S1, -S2 by 90 degrees.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6810080A JPS56164625A (en) | 1980-05-22 | 1980-05-22 | Phase shifting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6810080A JPS56164625A (en) | 1980-05-22 | 1980-05-22 | Phase shifting circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56164625A true JPS56164625A (en) | 1981-12-17 |
Family
ID=13363976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6810080A Pending JPS56164625A (en) | 1980-05-22 | 1980-05-22 | Phase shifting circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56164625A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0349715A2 (en) * | 1988-07-06 | 1990-01-10 | ANT Nachrichtentechnik GmbH | Method and circuit for producing a phase-delayed clock signal |
-
1980
- 1980-05-22 JP JP6810080A patent/JPS56164625A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0349715A2 (en) * | 1988-07-06 | 1990-01-10 | ANT Nachrichtentechnik GmbH | Method and circuit for producing a phase-delayed clock signal |
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