BG42153A1 - Device for synchronous generating of step impulses in case of signals with code- impulse modulation - Google Patents
Device for synchronous generating of step impulses in case of signals with code- impulse modulationInfo
- Publication number
- BG42153A1 BG42153A1 BG5736182A BG5736182A BG42153A1 BG 42153 A1 BG42153 A1 BG 42153A1 BG 5736182 A BG5736182 A BG 5736182A BG 5736182 A BG5736182 A BG 5736182A BG 42153 A1 BG42153 A1 BG 42153A1
- Authority
- BG
- Bulgaria
- Prior art keywords
- code
- signals
- case
- impulse modulation
- synchronous generating
- Prior art date
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
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Peptides Or Proteins (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD23227381A DD207133A3 (en) | 1981-07-30 | 1981-07-30 | CIRCUIT ARRANGEMENT FOR SYNCHRONOUS CLOCK GENERATION FOR PULSE CODEMODULATED SIGNALS |
Publications (1)
Publication Number | Publication Date |
---|---|
BG42153A1 true BG42153A1 (en) | 1987-10-15 |
Family
ID=5532722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG5736182A BG42153A1 (en) | 1981-07-30 | 1982-07-12 | Device for synchronous generating of step impulses in case of signals with code- impulse modulation |
Country Status (4)
Country | Link |
---|---|
BG (1) | BG42153A1 (en) |
CS (1) | CS240444B1 (en) |
DD (1) | DD207133A3 (en) |
DE (1) | DE3224868A1 (en) |
-
1981
- 1981-07-30 DD DD23227381A patent/DD207133A3/en unknown
-
1982
- 1982-07-02 DE DE19823224868 patent/DE3224868A1/en not_active Withdrawn
- 1982-07-08 CS CS524482A patent/CS240444B1/en unknown
- 1982-07-12 BG BG5736182A patent/BG42153A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CS240444B1 (en) | 1986-02-13 |
DE3224868A1 (en) | 1983-02-17 |
DD207133A3 (en) | 1984-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3467265D1 (en) | Signal generating device | |
GB2020072B (en) | Generating timing signals | |
GB2095492B (en) | Electronic arrangement for generating an amplitude and phase-modulated carrier signal | |
GB8325417D0 (en) | Synchronous clock stopper | |
GB8402873D0 (en) | Extract generating device | |
EP0142847A3 (en) | Digital signal generating device | |
GB8414418D0 (en) | Clock synchronization device | |
GB8429798D0 (en) | Synchronization signal generating circuit | |
GB2116325B (en) | Generating speed dependent signals | |
GB2039695B (en) | Synchronizing signal generators | |
GB8407167D0 (en) | Generating timing pulses | |
JPS57162805A (en) | Signal generator | |
GB2029675B (en) | Circuit arrangement for generating sampling pulses for use in receiving stations of data transmission | |
DE3277384D1 (en) | Method for generating energy output signal | |
EP0148364A3 (en) | Timing signal generator | |
BG42153A1 (en) | Device for synchronous generating of step impulses in case of signals with code- impulse modulation | |
JPS57170630A (en) | Clock generator | |
GB2136228B (en) | Waveform data generating system | |
JPS56128995A (en) | Clock signal generator | |
EP0233734A3 (en) | Clock signal generating circuit | |
GB8630817D0 (en) | Clock signal generator | |
GB2030426B (en) | Circuit arrangements for generating sampling pulses for use in receiving stations of data transmission systems | |
GB2095443B (en) | Signal generating means | |
GB8626166D0 (en) | Generating test signals | |
JPS52154305A (en) | Method and system for converting pictures into electric signals |