ATE194894T1 - Demodulatorschaltung für frequenzmoduliertes signal in der nähe einer zwischenfrequenz - Google Patents

Demodulatorschaltung für frequenzmoduliertes signal in der nähe einer zwischenfrequenz

Info

Publication number
ATE194894T1
ATE194894T1 AT96402667T AT96402667T ATE194894T1 AT E194894 T1 ATE194894 T1 AT E194894T1 AT 96402667 T AT96402667 T AT 96402667T AT 96402667 T AT96402667 T AT 96402667T AT E194894 T1 ATE194894 T1 AT E194894T1
Authority
AT
Austria
Prior art keywords
frequency
signal
khz
low
pass filter
Prior art date
Application number
AT96402667T
Other languages
English (en)
Inventor
Herve Guegnaud
Michel Robbe
Original Assignee
Matra Nortel Communications
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 Matra Nortel Communications filed Critical Matra Nortel Communications
Application granted granted Critical
Publication of ATE194894T1 publication Critical patent/ATE194894T1/de

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
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/145—Balanced arrangements with transistors using a combination of bipolar transistors and field-effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1458—Double balanced arrangements, i.e. where both input signals are differential
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1483—Balanced arrangements with transistors comprising components for selecting a particular frequency component of the output

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)
  • Amplitude Modulation (AREA)
AT96402667T 1995-12-12 1996-12-09 Demodulatorschaltung für frequenzmoduliertes signal in der nähe einer zwischenfrequenz ATE194894T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9514708A FR2742282B1 (fr) 1995-12-12 1995-12-12 Circuit demodulateur pour un signal a frequence modulee autour d'une frequence intermediaire

Publications (1)

Publication Number Publication Date
ATE194894T1 true ATE194894T1 (de) 2000-08-15

Family

ID=9485410

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96402667T ATE194894T1 (de) 1995-12-12 1996-12-09 Demodulatorschaltung für frequenzmoduliertes signal in der nähe einer zwischenfrequenz

Country Status (6)

Country Link
US (1) US5751188A (de)
EP (1) EP0779703B1 (de)
AT (1) ATE194894T1 (de)
CA (1) CA2192038C (de)
DE (1) DE69609396T2 (de)
FR (1) FR2742282B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6633550B1 (en) * 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
US7274732B2 (en) * 2003-03-21 2007-09-25 Texas Instruments Incorporated Echo cancellation in communication systems with asymmetric data rates
JP2007324659A (ja) * 2006-05-30 2007-12-13 Sony Corp チャージドメインフィルタ回路
US11300672B2 (en) 2019-03-29 2022-04-12 Raytheon Company Linear FM pulse modulation and stretch demodulation in radar using quadratic spinning phase shifters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455539A (en) * 1982-08-13 1984-06-19 Motorola, Inc. Switched capacitor all pass filter
JPH0752811B2 (ja) * 1983-05-27 1995-06-05 パイオニア株式会社 クオ−ドラチヤ検波器
DE3419602A1 (de) * 1984-05-25 1985-11-28 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur verringerung der verzerrungen bei einem fm-quadraturdemodulator
US4975653A (en) * 1989-08-29 1990-12-04 Delco Electronics Corporation FM detector using switched capacitor circuits
CA2163559C (en) * 1994-04-04 2000-11-07 Thomas A. Freeburg A wide bandwidth discriminator for use in a radio receiver

Also Published As

Publication number Publication date
FR2742282B1 (fr) 1998-02-13
US5751188A (en) 1998-05-12
EP0779703A1 (de) 1997-06-18
FR2742282A1 (fr) 1997-06-13
DE69609396T2 (de) 2001-03-01
CA2192038C (en) 2003-03-25
DE69609396D1 (de) 2000-08-24
EP0779703B1 (de) 2000-07-19
CA2192038A1 (en) 1997-06-13

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee