JPS5787253A - Timing extracting circuit - Google Patents
Timing extracting circuitInfo
- Publication number
- JPS5787253A JPS5787253A JP55162308A JP16230880A JPS5787253A JP S5787253 A JPS5787253 A JP S5787253A JP 55162308 A JP55162308 A JP 55162308A JP 16230880 A JP16230880 A JP 16230880A JP S5787253 A JPS5787253 A JP S5787253A
- Authority
- JP
- Japan
- Prior art keywords
- square wave
- circuit
- wave signal
- signal
- fluctuated
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
PURPOSE:To eliminate the influence of steady and momentary level fluctuations upon a timing signal and to simplify the circuit constitution, by converting the output of a linear amplifier to a square wave. CONSTITUTION:The receiving wave signal of a wave to be modulated given to an input terminal 1 is amplified by a linear amplifying circuit 2 and is converted to a square wave signal by a square wave converting circuit 3. This square wave signal is given to a timing tuning circuit 6 consisting of a nonlinear circuit 4 and a resonance circuit 5, and a reproducing timing signal is extracted there and is outputted from an output terminal 7. Since the receiving wave signal is converted to the square wave signal by adding the square wave converting circuit 3, the square wave signal is not fluctuated even if the level of the receiving wave signal is fluctuated, and consequently, the reproducing timing signal is not fluctuated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55162308A JPS5787253A (en) | 1980-11-18 | 1980-11-18 | Timing extracting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55162308A JPS5787253A (en) | 1980-11-18 | 1980-11-18 | Timing extracting circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5787253A true JPS5787253A (en) | 1982-05-31 |
Family
ID=15752035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55162308A Pending JPS5787253A (en) | 1980-11-18 | 1980-11-18 | Timing extracting circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5787253A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5345911A (en) * | 1976-10-07 | 1978-04-25 | Nec Corp | Timing signal extraction circuit |
-
1980
- 1980-11-18 JP JP55162308A patent/JPS5787253A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5345911A (en) * | 1976-10-07 | 1978-04-25 | Nec Corp | Timing signal extraction circuit |
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