NO854192L - Digital kvartsstabil fm-diskriminator. - Google Patents

Digital kvartsstabil fm-diskriminator.

Info

Publication number
NO854192L
NO854192L NO854192A NO854192A NO854192L NO 854192 L NO854192 L NO 854192L NO 854192 A NO854192 A NO 854192A NO 854192 A NO854192 A NO 854192A NO 854192 L NO854192 L NO 854192L
Authority
NO
Norway
Prior art keywords
discriminator
stable
frequency
phase comparator
low
Prior art date
Application number
NO854192A
Other languages
English (en)
Norwegian (no)
Inventor
Ludwig Hofmann
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 NO854192L publication Critical patent/NO854192L/no

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Television Signal Processing For Recording (AREA)
  • Dc Digital Transmission (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
NO854192A 1984-10-31 1985-10-21 Digital kvartsstabil fm-diskriminator. NO854192L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3439825 1984-10-31

Publications (1)

Publication Number Publication Date
NO854192L true NO854192L (no) 1986-05-02

Family

ID=6249186

Family Applications (1)

Application Number Title Priority Date Filing Date
NO854192A NO854192L (no) 1984-10-31 1985-10-21 Digital kvartsstabil fm-diskriminator.

Country Status (8)

Country Link
US (1) US4642574A (da)
EP (1) EP0180153B1 (da)
AT (1) ATE45648T1 (da)
DE (1) DE3572428D1 (da)
DK (2) DK498785A (da)
FI (1) FI854264L (da)
NO (1) NO854192L (da)
ZA (1) ZA858327B (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787096A (en) * 1987-03-04 1988-11-22 National Semiconductor Corp. Second-order carrier/symbol sychronizer
DE4240851C1 (de) * 1992-12-04 1994-01-27 Loewe Opta Gmbh Demodulator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936762A (en) * 1974-06-17 1976-02-03 The Charles Stark Draper Laboratory, Inc. Digital phase-lock loop systems for phase processing of signals
US3983498A (en) * 1975-11-13 1976-09-28 Motorola, Inc. Digital phase lock loop
US4097812A (en) * 1977-07-25 1978-06-27 Matsushita Electric Corporation Frequency selective detector circuit
US4345211A (en) * 1980-09-15 1982-08-17 Rockwell International Corporation Digital phaselock demodulator
US4373204A (en) * 1981-02-02 1983-02-08 Bell Telephone Laboratories, Incorporated Phase locked loop timing recovery circuit
JPS58137307A (ja) * 1982-02-10 1983-08-15 Hitachi Ltd パルスカウントfm検波回路

Also Published As

Publication number Publication date
DE3572428D1 (en) 1989-09-21
DK498785D0 (da) 1985-10-30
EP0180153A2 (de) 1986-05-07
FI854264A0 (fi) 1985-10-30
EP0180153B1 (de) 1989-08-16
ATE45648T1 (de) 1989-09-15
US4642574A (en) 1987-02-10
DK8504987A (da) 1986-05-01
EP0180153A3 (en) 1987-12-02
ZA858327B (en) 1986-06-25
FI854264L (fi) 1986-05-01
DK498785A (da) 1986-05-01

Similar Documents

Publication Publication Date Title
US4313209A (en) Phase-locked loop frequency synthesizer including compensated phase and frequency modulation
KR970055561A (ko) 반응 시간이 제어 가능한 위상 동기 루프
EP0423941A3 (en) Variable frequency signal generator
AU728239B2 (en) Digital AFC adjustment by means of reciprocal direct digital synthesis
US4488123A (en) Frequency synthesizer
KR910005582A (ko) 아날로그 디지탈 pll
US6392499B1 (en) Frequency shift modulation circuit
US4273958A (en) Quadrature receiver
US5329250A (en) Double phase locked loop circuit
NO854192L (no) Digital kvartsstabil fm-diskriminator.
US4156255A (en) Television receiver with synchronous detection and automatic fine tuning
KR940005139A (ko) 입력 및 출력 신호용 공통 라인을 갖는 부궤환 제어 회로
GB2098419A (en) Electrical frequency adjusting arrangements
JPH0834589B2 (ja) サンプリングクロック発生回路
GB2236922A (en) Frequency synthesisers
US6639476B1 (en) Correlator stabilized digitally tuned oscillator synthesizer
WO1991007016A1 (en) A phase locked loop for producing a reference carrier for a coherent detector
EP0361746B1 (en) Automatic phase controlling circuit
JPH022721A (ja) 位相同期発振回路
JPS637022A (ja) 位相同期発振器
JPH02262717A (ja) 周波数シンセサイザ
US3278855A (en) Afc system with a beat frequency drift cancellation oscillator
JP2721927B2 (ja) Pll回路
US5459431A (en) Frequency/phase analog detector and its use in a phase-locked loop
JPH09200046A (ja) 位相差制御pll回路