SE383819B - Demodulator med upp- och nedreknande reknare - Google Patents

Demodulator med upp- och nedreknande reknare

Info

Publication number
SE383819B
SE383819B SE7208712A SE871272A SE383819B SE 383819 B SE383819 B SE 383819B SE 7208712 A SE7208712 A SE 7208712A SE 871272 A SE871272 A SE 871272A SE 383819 B SE383819 B SE 383819B
Authority
SE
Sweden
Prior art keywords
demodulator
down counter
counter
Prior art date
Application number
SE7208712A
Other languages
English (en)
Inventor
D G Shuda
Original Assignee
Sanders Associates Inc
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 Sanders Associates Inc filed Critical Sanders Associates Inc
Publication of SE383819B publication Critical patent/SE383819B/sv

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
    • H04L7/0331—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 with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock
    • 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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
SE7208712A 1971-07-01 1972-07-03 Demodulator med upp- och nedreknande reknare SE383819B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15884471A 1971-07-01 1971-07-01

Publications (1)

Publication Number Publication Date
SE383819B true SE383819B (sv) 1976-03-29

Family

ID=22569958

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7208712A SE383819B (sv) 1971-07-01 1972-07-03 Demodulator med upp- och nedreknande reknare
SE7502171A SE398187B (sv) 1971-07-01 1975-02-26 Forfarande for att av en modulerad bervagssignal erhalla en felttidgivningssignal samt anordning for utforande av forfarandet

Family Applications After (1)

Application Number Title Priority Date Filing Date
SE7502171A SE398187B (sv) 1971-07-01 1975-02-26 Forfarande for att av en modulerad bervagssignal erhalla en felttidgivningssignal samt anordning for utforande av forfarandet

Country Status (12)

Country Link
US (1) US3729684A (sv)
AU (1) AU465781B2 (sv)
BE (1) BE785329A (sv)
CA (1) CA964732A (sv)
CH (1) CH560996A5 (sv)
DE (1) DE2231992A1 (sv)
FR (1) FR2143722B1 (sv)
GB (1) GB1401822A (sv)
IL (3) IL47894A (sv)
IT (1) IT960710B (sv)
NL (1) NL7208769A (sv)
SE (2) SE383819B (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886462A (en) * 1972-12-27 1975-05-27 Mitsubishi Electric Corp Circuit for reproducing reference carrier wave
US3924197A (en) * 1972-12-27 1975-12-02 Mitsubishi Electric Corp Circuit for reproducing reference carrier wave
JPS5016462A (sv) * 1973-06-11 1975-02-21
US3938052A (en) * 1974-05-09 1976-02-10 Teletype Corporation Digital demodulator for phase-modulated waveforms
US4007330A (en) * 1975-08-13 1977-02-08 Bunker Ramo Corporation Method and apparatus for demodulation of relative phase modulated binary data
US4007331A (en) * 1975-08-13 1977-02-08 Bunker Ramo Corporation Apparatus for demodulation of relative phase modulated binary data
US3997847A (en) * 1975-10-29 1976-12-14 Bell Telephone Laboratories, Incorporated Digital demodulator for differentially encoded phase-shift-keyed data
US4010323A (en) * 1975-10-29 1977-03-01 Bell Telephone Laboratories, Incorporated Digital timing recovery
US4019149A (en) * 1976-01-16 1977-04-19 Bell Telephone Laboratories, Incorporated Correlative data demodulator
US4169246A (en) * 1976-12-06 1979-09-25 Motorola, Inc. Digital carrier correction circuit
JPS60223259A (ja) * 1984-04-19 1985-11-07 Nippon Kogaku Kk <Nikon> Ｐｓｋ又はｄｐｓｋ復調回路
JPS6231238A (ja) * 1985-08-02 1987-02-10 Canon Inc 復調装置
US5247470A (en) * 1987-07-29 1993-09-21 E-Systems, Inc. Method and apparatus for estimating signal components of a filter output
GB2213662A (en) * 1987-12-11 1989-08-16 Philips Electronic Associated Data demodulator carrier phase-error detector
US4876699A (en) * 1988-05-06 1989-10-24 Rockwell International Corporation High speed sampled data digital phase detector apparatus
US5208839A (en) * 1991-05-28 1993-05-04 General Electric Company Symbol synchronizer for sampled signals
US7187730B1 (en) 2001-03-21 2007-03-06 Marvell International Ltd. Method and apparatus for predicting CCK subsymbols
US11588610B2 (en) * 2020-09-14 2023-02-21 Texas Instruments Incorporated Data transition tracking for received data

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1191843A (en) * 1966-07-07 1970-05-13 Plessey Co Ltd Improvements in or relating to Data Transmission Apparatus
US3519937A (en) * 1967-08-08 1970-07-07 Bell Telephone Labor Inc Quaternary differential-phase-modulated pcm repeater
SE336599B (sv) * 1967-08-08 1971-07-12 Western Electric Co
US3614639A (en) * 1969-07-30 1971-10-19 Ibm Fsk digital demodulator with majority decision filtering
US3571712A (en) * 1969-07-30 1971-03-23 Ibm Digital fsk/psk detector
US3656064A (en) * 1969-09-17 1972-04-11 Sanders Associates Inc Data demodulator employing comparison
US3646451A (en) * 1970-08-07 1972-02-29 Bell Telephone Labor Inc Timing extraction circuit using a recirculating delay generator

Also Published As

Publication number Publication date
BE785329A (fr) 1972-10-16
IL39522A0 (en) 1972-11-28
DE2231992A1 (de) 1973-01-11
IL47894A0 (en) 1975-11-25
NL7208769A (sv) 1973-01-03
GB1401822A (en) 1975-07-30
IT960710B (it) 1973-11-30
FR2143722B1 (sv) 1976-08-13
FR2143722A1 (sv) 1973-02-09
CH560996A5 (sv) 1975-04-15
IL47894A (en) 1977-05-31
SE7502171L (sv) 1975-02-26
AU4262372A (en) 1973-11-29
AU465781B2 (en) 1975-10-09
SE398187B (sv) 1977-12-05
IL39522A (en) 1977-05-31
US3729684A (en) 1973-04-24
CA964732A (en) 1975-03-18

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