NL8801143A - Frequentiedemodulatieschakeling. - Google Patents

Frequentiedemodulatieschakeling. Download PDF

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Publication number
NL8801143A
NL8801143A NL8801143A NL8801143A NL8801143A NL 8801143 A NL8801143 A NL 8801143A NL 8801143 A NL8801143 A NL 8801143A NL 8801143 A NL8801143 A NL 8801143A NL 8801143 A NL8801143 A NL 8801143A
Authority
NL
Netherlands
Prior art keywords
circuit
frequency
output
input
frequency demodulation
Prior art date
Application number
NL8801143A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8801143A priority Critical patent/NL8801143A/nl
Priority to DE68925148T priority patent/DE68925148T2/de
Priority to EP89201075A priority patent/EP0340846B1/de
Priority to AT89201075T priority patent/ATE131972T1/de
Priority to JP1112266A priority patent/JP2956771B2/ja
Publication of NL8801143A publication Critical patent/NL8801143A/nl
Priority to US07/465,561 priority patent/US4963831A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0036—Circuit elements of oscillators including an emitter or source coupled transistor pair or a long tail pair
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0038—Circuit elements of oscillators including a current mirror
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H03D13/007—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations
    • H03D13/008—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations using transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Processing Of Color Television Signals (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Stereo-Broadcasting Methods (AREA)
NL8801143A 1988-05-02 1988-05-02 Frequentiedemodulatieschakeling. NL8801143A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL8801143A NL8801143A (nl) 1988-05-02 1988-05-02 Frequentiedemodulatieschakeling.
DE68925148T DE68925148T2 (de) 1988-05-02 1989-04-26 Frequenzdemodulationsschaltung
EP89201075A EP0340846B1 (de) 1988-05-02 1989-04-26 Frequenzdemodulationsschaltung
AT89201075T ATE131972T1 (de) 1988-05-02 1989-04-26 Frequenzdemodulationsschaltung
JP1112266A JP2956771B2 (ja) 1988-05-02 1989-05-02 周波数復調回路
US07/465,561 US4963831A (en) 1988-05-02 1990-01-16 Self adjusting frequency demodulating integrated circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8801143A NL8801143A (nl) 1988-05-02 1988-05-02 Frequentiedemodulatieschakeling.
NL8801143 1988-05-02

Publications (1)

Publication Number Publication Date
NL8801143A true NL8801143A (nl) 1989-12-01

Family

ID=19852238

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8801143A NL8801143A (nl) 1988-05-02 1988-05-02 Frequentiedemodulatieschakeling.

Country Status (6)

Country Link
US (1) US4963831A (de)
EP (1) EP0340846B1 (de)
JP (1) JP2956771B2 (de)
AT (1) ATE131972T1 (de)
DE (1) DE68925148T2 (de)
NL (1) NL8801143A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408196A (en) * 1993-03-29 1995-04-18 U.S. Philips Corporation Tunable device
JP2825076B2 (ja) * 1995-12-08 1998-11-18 日本電気株式会社 ジャイレータ回路を用いた復調回路
US5949281A (en) * 1996-12-19 1999-09-07 Texas Instruments Incorporated Self aligning PLL demodulator
FR2778053B1 (fr) * 1998-04-24 2000-07-21 Sgs Thomson Microelectronics Demodulateur de signal de chrominance secam a deux voies rouge>bleu et a oscillateur unique
FR2778052B1 (fr) * 1998-04-24 2000-07-21 Sgs Thomson Microelectronics Demodulateur, en particulier de signal de chrominance secam, a double ajustage en frequence
CN1111953C (zh) * 1998-04-25 2003-06-18 普诚科技股份有限公司 振荡器内建于集成电路内的频率调整方法与装置
DE102010035918B4 (de) * 2010-08-31 2014-01-09 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Regelung eines Signals mit einer Mehrzahl von unabhängigen Komponenten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH543193A (de) * 1972-03-30 1973-10-15 Bbc Brown Boveri & Cie Frequenzdetektor
DE2233724C3 (de) * 1972-07-08 1975-11-27 Loewe Opta Gmbh, 1000 Berlin Schaltungsanordnung zum Einstellen der Frequenz in spannungsabhängigen Oszillatoren
DE2413917C2 (de) * 1974-03-22 1984-08-02 Robert Bosch Gmbh, 7000 Stuttgart Demodulatorschaltung für frequenzmodulierte Hilfsträger bei Farbfernsehsignalen
FR2472302A1 (fr) * 1979-12-21 1981-06-26 Thomson Csf Circuit a asservissement de phase, et dispositif comportant un tel circuit notamment pour la television

Also Published As

Publication number Publication date
DE68925148D1 (de) 1996-02-01
US4963831A (en) 1990-10-16
EP0340846B1 (de) 1995-12-20
DE68925148T2 (de) 1996-07-11
ATE131972T1 (de) 1996-01-15
EP0340846A1 (de) 1989-11-08
JPH0217703A (ja) 1990-01-22
JP2956771B2 (ja) 1999-10-04

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed