JPS5420643A - Detection circuit for quadrature phase - Google Patents
Detection circuit for quadrature phaseInfo
- Publication number
- JPS5420643A JPS5420643A JP8630877A JP8630877A JPS5420643A JP S5420643 A JPS5420643 A JP S5420643A JP 8630877 A JP8630877 A JP 8630877A JP 8630877 A JP8630877 A JP 8630877A JP S5420643 A JPS5420643 A JP S5420643A
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- quadrature phase
- frequency
- generating circuit
- low
- 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
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
PURPOSE: To discriminate whether the frequency of a received signal is high or low, by connecting detection circuits to a 90° out-of-phase signal generating circuit via diodes respectively.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8630877A JPS5420643A (en) | 1977-07-15 | 1977-07-15 | Detection circuit for quadrature phase |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8630877A JPS5420643A (en) | 1977-07-15 | 1977-07-15 | Detection circuit for quadrature phase |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5420643A true JPS5420643A (en) | 1979-02-16 |
Family
ID=13883194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8630877A Pending JPS5420643A (en) | 1977-07-15 | 1977-07-15 | Detection circuit for quadrature phase |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5420643A (en) |
-
1977
- 1977-07-15 JP JP8630877A patent/JPS5420643A/en active Pending
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