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
Links
Landscapes
- Circuits Of Receivers In General (AREA)
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.
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)
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 detecting 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 |
-
1998
- 1998-04-17 ES ES9800812A patent/ES2142754B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2142754A1 (en) | 2000-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 20000416 Kind code of ref document: A1 Effective date: 20000416 |
|
FD1A | Patent lapsed |
Effective date: 20101018 |