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ES2142754B1 - DEMODULATOR FOR MODULATED SIGNALS IN FREQUENCY OF HIGH GAIN OF DEMODULATION. - Google Patents

DEMODULATOR FOR MODULATED SIGNALS IN FREQUENCY OF HIGH GAIN OF DEMODULATION.

Info

Publication number
ES2142754B1
ES2142754B1 ES9800812A ES9800812A ES2142754B1 ES 2142754 B1 ES2142754 B1 ES 2142754B1 ES 9800812 A ES9800812 A ES 9800812A ES 9800812 A ES9800812 A ES 9800812A ES 2142754 B1 ES2142754 B1 ES 2142754B1
Authority
ES
Spain
Prior art keywords
demodulator
modulated signals
high gain
demodulation
frequency
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
ES9800812A
Other languages
Spanish (es)
Other versions
ES2142754A1 (en
Inventor
Perez Francisco J Lopez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Angel Iglesias SA
Original Assignee
Angel Iglesias SA
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 Angel Iglesias SA filed Critical Angel Iglesias SA
Priority to ES9800812A priority Critical patent/ES2142754B1/en
Publication of ES2142754A1 publication Critical patent/ES2142754A1/en
Application granted granted Critical
Publication of ES2142754B1 publication Critical patent/ES2142754B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

Demodulador para señales moduladas en frecuencia de alta ganancia de demodulación. Demodulador de cuadratura basado en la utilización de un cristal de cuarzo y que proporciona una elevada ganancia. Tiene aplicación, fundamentalmente, en receptores de frecuencia modulada con bajos índices de modulación.Demodulator for high modulation demodulation frequency modulated signals. Quadrature demodulator based on the use of a quartz crystal and which provides a high gain. It has application, fundamentally, in frequency modulated receivers with low modulation indices.

ES9800812A 1998-04-17 1998-04-17 DEMODULATOR FOR MODULATED SIGNALS IN FREQUENCY OF HIGH GAIN OF DEMODULATION. Expired - Fee Related ES2142754B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9800812A ES2142754B1 (en) 1998-04-17 1998-04-17 DEMODULATOR FOR MODULATED SIGNALS IN FREQUENCY OF HIGH GAIN OF DEMODULATION.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9800812A ES2142754B1 (en) 1998-04-17 1998-04-17 DEMODULATOR FOR MODULATED SIGNALS IN FREQUENCY OF HIGH GAIN OF DEMODULATION.

Publications (2)

Publication Number Publication Date
ES2142754A1 ES2142754A1 (en) 2000-04-16
ES2142754B1 true ES2142754B1 (en) 2000-11-16

Family

ID=8303493

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9800812A Expired - Fee Related ES2142754B1 (en) 1998-04-17 1998-04-17 DEMODULATOR FOR MODULATED SIGNALS IN FREQUENCY OF HIGH GAIN OF DEMODULATION.

Country Status (1)

Country Link
ES (1) ES2142754B1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1421093A (en) * 1974-05-09 1976-01-14 Mullard Ltd Frequency discriminator circuit arrangement
US4035730A (en) * 1976-03-31 1977-07-12 Scientific-Atlanta, Inc. FM noise threshold extension demodulator apparatus
US4087756A (en) * 1977-06-14 1978-05-02 Harris Corporation FM Feedback demodulator having threshold extension circuit with two-pole crystal filters
US4198609A (en) * 1977-07-15 1980-04-15 Victor Company Of Japan, Limited Phase tracked loop frequency demodulator
JPS58212205A (en) * 1982-04-28 1983-12-09 Toko Inc FM detection circuit
GB8512000D0 (en) * 1985-05-11 1985-06-19 Plessey Co Plc Fm demodulators
US5663989A (en) * 1993-10-28 1997-09-02 Plessey Semiconductors Limited Control arrangements for digital radio receivers
US5414385A (en) * 1994-02-22 1995-05-09 Matsushita Communication Industrial Corporation Of America Dual mode FM quadrature detector

Also Published As

Publication number Publication date
ES2142754A1 (en) 2000-04-16

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