JPS5437454A - Reference carrier wave regenerating circuit - Google Patents
Reference carrier wave regenerating circuitInfo
- Publication number
- JPS5437454A JPS5437454A JP10229877A JP10229877A JPS5437454A JP S5437454 A JPS5437454 A JP S5437454A JP 10229877 A JP10229877 A JP 10229877A JP 10229877 A JP10229877 A JP 10229877A JP S5437454 A JPS5437454 A JP S5437454A
- Authority
- JP
- Japan
- Prior art keywords
- carrier wave
- reference carrier
- regenerating circuit
- wave regenerating
- 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
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
PURPOSE: To obtain a high-quality reference carrier wave for the reference carrier wave regenerating circuit using the AFC loop, by installing a phase shifter to offset the phase revolution of the band pass filter caused by the frequency variation of n-phase PSK signal.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10229877A JPS5437454A (en) | 1977-08-25 | 1977-08-25 | Reference carrier wave regenerating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10229877A JPS5437454A (en) | 1977-08-25 | 1977-08-25 | Reference carrier wave regenerating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5437454A true JPS5437454A (en) | 1979-03-19 |
Family
ID=14323701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10229877A Pending JPS5437454A (en) | 1977-08-25 | 1977-08-25 | Reference carrier wave regenerating circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5437454A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409562A (en) * | 1978-08-12 | 1983-10-11 | Fujitsu Limited | Phase correction circuit employing bandpass filters |
| JPS6211347A (en) * | 1985-07-09 | 1987-01-20 | Nec Home Electronics Ltd | Four-phase psk demodulating device |
-
1977
- 1977-08-25 JP JP10229877A patent/JPS5437454A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409562A (en) * | 1978-08-12 | 1983-10-11 | Fujitsu Limited | Phase correction circuit employing bandpass filters |
| JPS6211347A (en) * | 1985-07-09 | 1987-01-20 | Nec Home Electronics Ltd | Four-phase psk demodulating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5419641A (en) | Fm demodulation circuit by phase tracking loop system | |
| JPS5437454A (en) | Reference carrier wave regenerating circuit | |
| GB2001217B (en) | Phase tracked loop frequency demodulator | |
| JPS53136949A (en) | N-phase psk carrier reproducing circuit | |
| JPS5428562A (en) | Reproduction circuit for reference carrier wave | |
| JPS5361A (en) | Fm modulation circuit | |
| JPS5248956A (en) | Single side-wave signal generator equipment | |
| JPS535559A (en) | Synchronous demodulation system | |
| JPS5430060A (en) | Dislocation detecting circuit | |
| JPS5275211A (en) | Delta tune circuit | |
| JPS51113526A (en) | Frequency synthesizer | |
| JPS5352344A (en) | Step-multiplication circuit | |
| JPS53103362A (en) | Digital phase synchronous loop | |
| JPS52136551A (en) | Carrier wave reproduction unit | |
| JPS548919A (en) | Frequency converting circuit | |
| JPS542646A (en) | Generation system for variable-frequency signal | |
| JPS5480030A (en) | Process circuit for carrier chrominance signal | |
| JPS5347758A (en) | Demodulation circuit for phase displacement modulation signal | |
| JPS5283269A (en) | Frequency identifying apparatus | |
| JPS5264211A (en) | Signal transmission/reception system | |
| JPS52107757A (en) | Carrier wave reproduction system | |
| JPS5314529A (en) | Timing phase control unit | |
| JPS5469007A (en) | Transceiver | |
| JPS54558A (en) | Modulation and demodulation system | |
| JPS52153776A (en) | Digital electronic watch |