FI811848L - ANORDING FOR COMPENSATION OF FREQUENCY VARIABILITY AND FM SYSTEM - Google Patents

ANORDING FOR COMPENSATION OF FREQUENCY VARIABILITY AND FM SYSTEM

Info

Publication number
FI811848L
FI811848L FI811848A FI811848A FI811848L FI 811848 L FI811848 L FI 811848L FI 811848 A FI811848 A FI 811848A FI 811848 A FI811848 A FI 811848A FI 811848 L FI811848 L FI 811848L
Authority
FI
Finland
Prior art keywords
anording
compensation
frequency variability
variability
frequency
Prior art date
Application number
FI811848A
Other languages
Finnish (fi)
Other versions
FI72626B (en
FI72626C (en
Inventor
Hans Hjoerring
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 FI811848L publication Critical patent/FI811848L/en
Publication of FI72626B publication Critical patent/FI72626B/en
Application granted granted Critical
Publication of FI72626C publication Critical patent/FI72626C/en

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
    • 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

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmitters (AREA)
  • Superheterodyne Receivers (AREA)
FI811848A 1980-06-13 1981-06-12 ANORDING FOR COMPENSATION OF FREQUENCY VARIATION IN FM SYSTEM. FI72626C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3022287A DE3022287C2 (en) 1980-06-13 1980-06-13 Circuit for the compensation of frequency fluctuations in FM systems
DE3022287 1980-06-13

Publications (3)

Publication Number Publication Date
FI811848L true FI811848L (en) 1981-12-14
FI72626B FI72626B (en) 1987-02-27
FI72626C FI72626C (en) 1987-06-08

Family

ID=6104590

Family Applications (1)

Application Number Title Priority Date Filing Date
FI811848A FI72626C (en) 1980-06-13 1981-06-12 ANORDING FOR COMPENSATION OF FREQUENCY VARIATION IN FM SYSTEM.

Country Status (5)

Country Link
DE (1) DE3022287C2 (en)
DK (1) DK151995C (en)
FI (1) FI72626C (en)
NO (1) NO154029C (en)
SE (1) SE453239B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1175490A (en) * 1982-03-12 1984-10-02 Ralph T. Carsten Frequency shift keying demodulators
DE3324311A1 (en) * 1983-07-06 1985-01-17 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover DECODER FOR A FREQUENCY-KEYED SIGNAL, IN PARTICULAR A FSK SCREEN TEXT SIGNAL
AU3290084A (en) * 1983-09-16 1985-03-21 Audicom Corp. Encoding of transmitted program material
US10862720B2 (en) * 2018-10-08 2020-12-08 Nxp B.V. Phase locked loop frequency shift keying demodulator using an auxiliary charge pump and a differential slicer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860874A (en) * 1973-12-04 1975-01-14 Us Interior Receiver for dfsk signals

Also Published As

Publication number Publication date
NO811963L (en) 1981-12-14
NO154029B (en) 1986-03-24
SE453239B (en) 1988-01-18
DE3022287C2 (en) 1982-06-24
DK151995C (en) 1988-08-08
DE3022287A1 (en) 1981-12-17
NO154029C (en) 1986-07-02
DK257981A (en) 1981-12-14
SE8103213L (en) 1981-12-14
FI72626B (en) 1987-02-27
FI72626C (en) 1987-06-08
DK151995B (en) 1988-01-18

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT