JPS57210750A - Fsk signal demodulating system - Google Patents
Fsk signal demodulating systemInfo
- Publication number
- JPS57210750A JPS57210750A JP56094835A JP9483581A JPS57210750A JP S57210750 A JPS57210750 A JP S57210750A JP 56094835 A JP56094835 A JP 56094835A JP 9483581 A JP9483581 A JP 9483581A JP S57210750 A JPS57210750 A JP S57210750A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- zero cross
- cross point
- reg2
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56094835A JPS57210750A (en) | 1981-06-19 | 1981-06-19 | Fsk signal demodulating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56094835A JPS57210750A (en) | 1981-06-19 | 1981-06-19 | Fsk signal demodulating system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57210750A true JPS57210750A (en) | 1982-12-24 |
JPS644708B2 JPS644708B2 (ja) | 1989-01-26 |
Family
ID=14121093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56094835A Granted JPS57210750A (en) | 1981-06-19 | 1981-06-19 | Fsk signal demodulating system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57210750A (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5385449A (en) * | 1977-01-05 | 1978-07-27 | Meidensha Electric Mfg Co Ltd | Zero point detecting system |
JPS55107366A (en) * | 1979-02-09 | 1980-08-18 | Fujitsu Ltd | Waveform reproduction system |
-
1981
- 1981-06-19 JP JP56094835A patent/JPS57210750A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5385449A (en) * | 1977-01-05 | 1978-07-27 | Meidensha Electric Mfg Co Ltd | Zero point detecting system |
JPS55107366A (en) * | 1979-02-09 | 1980-08-18 | Fujitsu Ltd | Waveform reproduction system |
Also Published As
Publication number | Publication date |
---|---|
JPS644708B2 (ja) | 1989-01-26 |
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