JPS5275966A - Demodulation circuit for multi-valued carrier wave digital signal - Google Patents
Demodulation circuit for multi-valued carrier wave digital signalInfo
- Publication number
- JPS5275966A JPS5275966A JP50152309A JP15230975A JPS5275966A JP S5275966 A JPS5275966 A JP S5275966A JP 50152309 A JP50152309 A JP 50152309A JP 15230975 A JP15230975 A JP 15230975A JP S5275966 A JPS5275966 A JP S5275966A
- Authority
- JP
- Japan
- Prior art keywords
- demodulation circuit
- digital signal
- carrier wave
- wave digital
- valued carrier
- 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 realize demodulation and reproduction circuit of 4-level QAM signal by adding two subtraction circuits and two discrimination reproduction circuits to ordinary 4-phase PSK signal demodulation circuit.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50152309A JPS5275966A (en) | 1975-12-20 | 1975-12-20 | Demodulation circuit for multi-valued carrier wave digital signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50152309A JPS5275966A (en) | 1975-12-20 | 1975-12-20 | Demodulation circuit for multi-valued carrier wave digital signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5275966A true JPS5275966A (en) | 1977-06-25 |
Family
ID=15537699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50152309A Pending JPS5275966A (en) | 1975-12-20 | 1975-12-20 | Demodulation circuit for multi-valued carrier wave digital signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5275966A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5422742A (en) * | 1977-07-20 | 1979-02-20 | Bosch Gmbh Robert | Device for controlling repeated steps depending on operation parameter |
-
1975
- 1975-12-20 JP JP50152309A patent/JPS5275966A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5422742A (en) * | 1977-07-20 | 1979-02-20 | Bosch Gmbh Robert | Device for controlling repeated steps depending on operation parameter |
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