JPS5792413A - Demodulation system for phase-modulated signal - Google Patents

Demodulation system for phase-modulated signal

Info

Publication number
JPS5792413A
JPS5792413A JP16578780A JP16578780A JPS5792413A JP S5792413 A JPS5792413 A JP S5792413A JP 16578780 A JP16578780 A JP 16578780A JP 16578780 A JP16578780 A JP 16578780A JP S5792413 A JPS5792413 A JP S5792413A
Authority
JP
Japan
Prior art keywords
signal
output
waveform
circuit
fall
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
Application number
JP16578780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6349286B2 (enrdf_load_stackoverflow
Inventor
Osamu Kanzawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16578780A priority Critical patent/JPS5792413A/ja
Publication of JPS5792413A publication Critical patent/JPS5792413A/ja
Publication of JPS6349286B2 publication Critical patent/JPS6349286B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP16578780A 1980-11-27 1980-11-27 Demodulation system for phase-modulated signal Granted JPS5792413A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16578780A JPS5792413A (en) 1980-11-27 1980-11-27 Demodulation system for phase-modulated signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16578780A JPS5792413A (en) 1980-11-27 1980-11-27 Demodulation system for phase-modulated signal

Publications (2)

Publication Number Publication Date
JPS5792413A true JPS5792413A (en) 1982-06-09
JPS6349286B2 JPS6349286B2 (enrdf_load_stackoverflow) 1988-10-04

Family

ID=15818991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16578780A Granted JPS5792413A (en) 1980-11-27 1980-11-27 Demodulation system for phase-modulated signal

Country Status (1)

Country Link
JP (1) JPS5792413A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61156922A (ja) * 1984-12-21 1986-07-16 アドバンスト・マイクロ・デイバイシズ・インコーポレーテツド マンチエスタコード化された信号からクロツク信号を復元する方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5091311A (enrdf_load_stackoverflow) * 1973-12-12 1975-07-22
JPS5388114U (enrdf_load_stackoverflow) * 1976-11-30 1978-07-19
JPS54150110A (en) * 1978-05-17 1979-11-26 Fujitsu Ltd Data demodulating system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5091311A (enrdf_load_stackoverflow) * 1973-12-12 1975-07-22
JPS5388114U (enrdf_load_stackoverflow) * 1976-11-30 1978-07-19
JPS54150110A (en) * 1978-05-17 1979-11-26 Fujitsu Ltd Data demodulating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61156922A (ja) * 1984-12-21 1986-07-16 アドバンスト・マイクロ・デイバイシズ・インコーポレーテツド マンチエスタコード化された信号からクロツク信号を復元する方法

Also Published As

Publication number Publication date
JPS6349286B2 (enrdf_load_stackoverflow) 1988-10-04

Similar Documents

Publication Publication Date Title
EP0304799A3 (en) Method and/or apparatus for demodulating a biphase signal
JPS56106457A (en) Extracting system of clock signal
JPS5792413A (en) Demodulation system for phase-modulated signal
JPS57124954A (en) Data playback circuit
EP0148098A3 (en) Process and circuit for regenerating significant moments of a periodic signal
JPS5622134A (en) Asynchronous system serial data receiving device
JPS6415866A (en) Detecting device for autocorrelation degree
JPS5799062A (en) Reception circuit for data transmission
ES484180A1 (es) Dispositivo electronico que permite discriminar,con un efec-to de histeresis,si el regimen de rotacion de una maquina giratoria se situa mas alla o mas aca de una velocidad angu-lar de referencia
JPS55145461A (en) Digital signal/noise ratio monitoring device
GB1271753A (en) Data transmission system
JPS5799851A (en) Signal transmission system
JPS5785586A (en) Speed detecting circuit for motor
JPS55120240A (en) Supervisory signal transmission system
GB1455392A (en) Data transmission systems
JPS5717236A (en) Detector for synchronism
JPS57157621A (en) Digital error generating circuit
GB1507335A (en) Fm demodulators
JPS57199359A (en) Serial data processing device
JPS56131242A (en) Signal receiving circuit
JPS5627581A (en) Signal processor
JPS55112028A (en) Pulse detector circuit
JPS5321511A (en) Digital signal processing system
JPS57207461A (en) Demodulation circuit for digital data
JPS57211849A (en) Bit synchronizing circuit