IT998646B - Disorimenatore di frequenza impiegante filtri non iterativi digitali - Google Patents

Disorimenatore di frequenza impiegante filtri non iterativi digitali

Info

Publication number
IT998646B
IT998646B IT29345/73A IT2934573A IT998646B IT 998646 B IT998646 B IT 998646B IT 29345/73 A IT29345/73 A IT 29345/73A IT 2934573 A IT2934573 A IT 2934573A IT 998646 B IT998646 B IT 998646B
Authority
IT
Italy
Prior art keywords
disorimenator
frequency
digital non
iterative filters
iterative
Prior art date
Application number
IT29345/73A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT998646B publication Critical patent/IT998646B/it

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
    • 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
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Complex Calculations (AREA)
  • Filters That Use Time-Delay Elements (AREA)
IT29345/73A 1972-11-17 1973-09-25 Disorimenatore di frequenza impiegante filtri non iterativi digitali IT998646B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00307716A US3803501A (en) 1972-11-17 1972-11-17 Frequency discriminator using digital non-recursive filters

Publications (1)

Publication Number Publication Date
IT998646B true IT998646B (it) 1976-02-20

Family

ID=23190909

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29345/73A IT998646B (it) 1972-11-17 1973-09-25 Disorimenatore di frequenza impiegante filtri non iterativi digitali

Country Status (7)

Country Link
US (1) US3803501A (it)
JP (1) JPS558859B2 (it)
CA (1) CA992161A (it)
DE (1) DE2356955C3 (it)
FR (1) FR2207390B1 (it)
GB (1) GB1409681A (it)
IT (1) IT998646B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215425A (en) * 1978-02-27 1980-07-29 Sangamo Weston, Inc. Apparatus and method for filtering signals in a logging-while-drilling system
DE3121444A1 (de) * 1981-05-29 1982-12-16 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zum demodulieren von fsk-signalen
DE3212054A1 (de) * 1982-04-01 1983-10-06 Blaupunkt Werke Gmbh Digitaler demodulator
DE3438370C1 (de) * 1984-10-19 1986-04-03 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur Demodulation eines frequenzmodulierten Datensignals
DE3517485A1 (de) * 1985-05-15 1986-11-20 Blaupunkt-Werke Gmbh, 3200 Hildesheim Demodulator fuer frequenzmodulierte signale in digitaler form
DE3674096D1 (de) * 1985-07-03 1990-10-18 Siemens Ag Digitale filterweiche, insbesondere fuer einen datenempfaenger.
JP2558655B2 (ja) * 1986-10-20 1996-11-27 松下電器産業株式会社 ディジタルｆｍ復調器
GB8703136D0 (en) * 1987-02-11 1987-03-18 Univ Cardiff Filtering electrical signals
GB8719849D0 (en) * 1987-08-21 1987-09-30 British Telecomm Fsk discriminator
US5119326A (en) * 1989-12-06 1992-06-02 Transwitch Corporation Waveshaping transversal filter and method utilizing the same for data transmission over coaxial cable
JP2581306B2 (ja) * 1990-11-24 1997-02-12 日本電気株式会社 ディジタル方式直交位相検波回路
FR2681197B1 (fr) * 1991-09-09 1993-10-29 France Telecom Discriminateur de frequence tronique.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521042A (en) * 1967-07-19 1970-07-21 Ibm Simplified digital filter
US3689844A (en) * 1969-12-11 1972-09-05 Bell Telephone Labor Inc Digital filter receiver for frequency-shift data signals

Also Published As

Publication number Publication date
DE2356955B2 (de) 1981-03-26
FR2207390B1 (it) 1976-04-30
US3803501A (en) 1974-04-09
JPS4983360A (it) 1974-08-10
GB1409681A (en) 1975-10-15
CA992161A (en) 1976-06-29
JPS558859B2 (it) 1980-03-06
DE2356955C3 (de) 1981-11-26
DE2356955A1 (de) 1974-05-22
FR2207390A1 (it) 1974-06-14

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