JPH046293B2 - - Google Patents
Info
- Publication number
- JPH046293B2 JPH046293B2 JP13238283A JP13238283A JPH046293B2 JP H046293 B2 JPH046293 B2 JP H046293B2 JP 13238283 A JP13238283 A JP 13238283A JP 13238283 A JP13238283 A JP 13238283A JP H046293 B2 JPH046293 B2 JP H046293B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- output
- carrier
- 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.)
- Expired
Links
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 description 15
- 238000001514 detection method Methods 0.000 description 14
- 238000004891 communication Methods 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13238283A JPS6024753A (ja) | 1983-07-19 | 1983-07-19 | ミユ−テイング回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13238283A JPS6024753A (ja) | 1983-07-19 | 1983-07-19 | ミユ−テイング回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6024753A JPS6024753A (ja) | 1985-02-07 |
| JPH046293B2 true JPH046293B2 (fr) | 1992-02-05 |
Family
ID=15080074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13238283A Granted JPS6024753A (ja) | 1983-07-19 | 1983-07-19 | ミユ−テイング回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6024753A (fr) |
-
1983
- 1983-07-19 JP JP13238283A patent/JPS6024753A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6024753A (ja) | 1985-02-07 |
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