DK142890B - Kobling til kompensation af de ved demodulation af frekvensomtastede binære datategn optrædende jævnspændingsforstyrrelseskomponsanter. - Google Patents

Kobling til kompensation af de ved demodulation af frekvensomtastede binære datategn optrædende jævnspændingsforstyrrelseskomponsanter. Download PDF

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Publication number
DK142890B
DK142890B DK395970AA DK395970A DK142890B DK 142890 B DK142890 B DK 142890B DK 395970A A DK395970A A DK 395970AA DK 395970 A DK395970 A DK 395970A DK 142890 B DK142890 B DK 142890B
Authority
DK
Denmark
Prior art keywords
voltage
coupling
frequency
differential amplifier
binary data
Prior art date
Application number
DK395970AA
Other languages
Danish (da)
English (en)
Other versions
DK142890C (xx
Inventor
Erich Burger
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of DK142890B publication Critical patent/DK142890B/da
Application granted granted Critical
Publication of DK142890C publication Critical patent/DK142890C/da

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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
    • H04L27/142—Compensating direct current components occurring during the demodulation and which are caused by mistuning

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Optical Communication System (AREA)
  • Control Of Amplification And Gain Control (AREA)
DK395970AA 1969-07-31 1970-07-30 Kobling til kompensation af de ved demodulation af frekvensomtastede binære datategn optrædende jævnspændingsforstyrrelseskomponsanter. DK142890B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1939067 1969-07-31
DE1939067*A DE1939067C2 (de) 1969-07-31 1969-07-31 Schaltungsanordnung zur Kompensation der bei der Demodulation von frequenzumgetasteten binären Datenzeichen auftretenden Gleichspannungsstörkomponente

Publications (2)

Publication Number Publication Date
DK142890B true DK142890B (da) 1981-02-16
DK142890C DK142890C (xx) 1981-09-28

Family

ID=5741550

Family Applications (1)

Application Number Title Priority Date Filing Date
DK395970AA DK142890B (da) 1969-07-31 1970-07-30 Kobling til kompensation af de ved demodulation af frekvensomtastede binære datategn optrædende jævnspændingsforstyrrelseskomponsanter.

Country Status (9)

Country Link
US (1) US3688205A (xx)
BE (1) BE754157A (xx)
DE (1) DE1939067C2 (xx)
DK (1) DK142890B (xx)
FR (1) FR2060578A5 (xx)
GB (1) GB1275248A (xx)
LU (1) LU61441A1 (xx)
NL (1) NL167073C (xx)
SE (1) SE353201B (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1520810A (en) * 1975-12-18 1978-08-09 Gen Electric Co Ltd Regenerative repeaters for digital transmission systems
DE2852374C2 (de) * 1978-12-04 1980-10-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Schaltungsanordnung zur frequenzmodulierten Übertragung eines Binärsignals
DE2854833C2 (de) * 1978-12-19 1980-09-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Korrigieren von Schrittverzerningen bei einer Übertragung von Daten
US4250458A (en) * 1979-05-31 1981-02-10 Digital Communications Corporation Baseband DC offset detector and control circuit for DC coupled digital demodulator
NL8000883A (nl) * 1980-02-13 1981-09-16 Philips Nv Coherente ontvanger voor hoekgemoduleerde data signalen.
JPS5737907A (en) * 1980-08-14 1982-03-02 Toshiba Corp Fm wave detector
CA1175490A (en) * 1982-03-12 1984-10-02 Ralph T. Carsten Frequency shift keying demodulators
US4553102A (en) * 1983-07-22 1985-11-12 Nec Corp. Multilevel amplitude modulation demodulator with DC drift compensation
GB8323966D0 (en) * 1983-09-07 1983-10-12 British Telecomm Frequency control for point-to-multipoint radio
US4802236A (en) * 1986-12-30 1989-01-31 Motorola, Inc. Instantaneous deviation limiter with pre-emphasis and zero average value
JPS6468161A (en) * 1987-09-09 1989-03-14 Man Design Co Fsk demodulator
JPS6468162A (en) * 1987-09-09 1989-03-14 Man Design Co Fsk demodulator
JP2707461B2 (ja) * 1989-02-16 1998-01-28 東光株式会社 波形整形回路
US5052021A (en) * 1989-05-19 1991-09-24 Kabushiki Kaisha Toshiba Digital signal decoding circuit and decoding method
US5146476A (en) * 1990-12-03 1992-09-08 Reliance Comm/Tec Corporation High gain amplifier for reception of low level pulse code modulation nonreturn-to-zero signals
US5295161A (en) * 1991-05-10 1994-03-15 International Business Machines Corporation Fiber optic amplifier with active elements feedback circuit
JP2503837B2 (ja) * 1992-07-16 1996-06-05 日本電気株式会社 ディジタル光受信回路とディジタル光受信回路におけるプリアンプ回路
US6724247B2 (en) 2001-09-13 2004-04-20 Telefonaktiebolaget Lm Ericsson (Publ) FM demodulator having DC offset compensation
US20120287952A1 (en) * 2011-05-10 2012-11-15 Honeywell International Inc. Apparatus and methods for high voltage amplification with low noise

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1063641A (en) * 1964-06-01 1967-03-30 Thorn Electronics Ltd Improvements in frequency discriminators
US3427560A (en) * 1965-06-09 1969-02-11 Bendix Corp Direct current amplifier
US3525946A (en) * 1968-06-19 1970-08-25 Westel Co Single delay line demodulator system for angle modulated signal

Also Published As

Publication number Publication date
US3688205A (en) 1972-08-29
BE754157A (fr) 1971-02-01
DK142890C (xx) 1981-09-28
NL7010792A (xx) 1971-02-02
FR2060578A5 (xx) 1971-06-18
DE1939067C2 (de) 1974-01-10
NL167073C (nl) 1981-10-15
DE1939067B1 (de) 1970-10-29
NL167073B (nl) 1981-05-15
GB1275248A (en) 1972-05-24
LU61441A1 (xx) 1971-07-13
SE353201B (xx) 1973-01-22

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