JPS54118277A - Phase discriminating circuit - Google Patents
Phase discriminating circuitInfo
- Publication number
- JPS54118277A JPS54118277A JP2480078A JP2480078A JPS54118277A JP S54118277 A JPS54118277 A JP S54118277A JP 2480078 A JP2480078 A JP 2480078A JP 2480078 A JP2480078 A JP 2480078A JP S54118277 A JPS54118277 A JP S54118277A
- Authority
- JP
- Japan
- Prior art keywords
- input
- circuit
- waveform
- rectangular wave
- signal
- 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
Landscapes
- Measuring Phase Differences (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
PURPOSE: To eliminate malfunction in the event of no input to one side and ON/ OFF switching of input to the other side of two alternating current input signals, by feeding back the respective outputs of a pair of rectangular wave circuits to the other input sides.
CONSTITUTION: Since resistances 20, 21 inserted into feedback circuits 18, 19 are selected at values not influential to usual operating characteristic, normal operation is performed as far as two alternating current input signals are normal. Suppose signal of waveform V1 is applied to input terminal 1 while no input being given to terminal 2, output waveform V5 of rectangular wave circuit 5 is caused by the function of feedback circuit 18 to be completely in reverse phase to output waveform V4 of a rectangular wave circuit 4, so that output V9 of time limit circuit 9 becomes a continuous "1" signal. On the other hand, input V10 of time limit circuit 13 becomes a continuous "0" signal, so that a stable state without input such as waveform V3 may be obtained, thereby preventing malfunction.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2480078A JPS54118277A (en) | 1978-03-03 | 1978-03-03 | Phase discriminating circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2480078A JPS54118277A (en) | 1978-03-03 | 1978-03-03 | Phase discriminating circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54118277A true JPS54118277A (en) | 1979-09-13 |
JPS577392B2 JPS577392B2 (en) | 1982-02-10 |
Family
ID=12148262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2480078A Granted JPS54118277A (en) | 1978-03-03 | 1978-03-03 | Phase discriminating circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54118277A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61123940U (en) * | 1985-01-23 | 1986-08-04 |
-
1978
- 1978-03-03 JP JP2480078A patent/JPS54118277A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS577392B2 (en) | 1982-02-10 |
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