ES8406011A1 - Un desmodulador para desmodular una senal alternativa modulada por frecuencia o por tiempo - Google Patents
Un desmodulador para desmodular una senal alternativa modulada por frecuencia o por tiempoInfo
- Publication number
- ES8406011A1 ES8406011A1 ES524050A ES524050A ES8406011A1 ES 8406011 A1 ES8406011 A1 ES 8406011A1 ES 524050 A ES524050 A ES 524050A ES 524050 A ES524050 A ES 524050A ES 8406011 A1 ES8406011 A1 ES 8406011A1
- Authority
- ES
- Spain
- Prior art keywords
- pulse train
- ramp voltage
- demodulator
- sample
- produced
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/04—Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses
-
- 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
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Emergency Protection Circuit Devices (AREA)
- Amplitude Modulation (AREA)
Abstract
DEMODULADOR PARA DEMODULAR UNA SEÑAL ALTERNATIVA MODULADA POR FRECUENCIA O POR TIEMPO.CONSTA DE UN GENERADOR QUE PROPORCIONA UNA SEÑAL MODULADA ALTERNATIVA; DE UN GENERADOR (30) DE UN PRIMER TREN (31) DE IMPULSOS EN RESPUESTA A LA SEÑAL MODULADA; DE UN GENERADOR (50) DE UN SEGUNDO TREN (49) DE IMPULSOS EN RESPUESTA AL PRIMER TREN (31) DE IMPULSOS; DE UN GENERADOR DE UNA SEÑAL DE RAMPA (32); DE UN MEDIO DE MUESTREO Y RETENCION PARA TOMA DE MUESTRAS Y RETENCION DE LA SEÑAL DE RAMPA EN RESPUESTA A LOS IMPULSOS DEL PRIMER TREN (31) DE IMPULSOS; Y DEUN REAJUSTADOR DEL GENERADOR DE SEÑAL DE RAMPA (32) EN RESPUESTA AL SEGUNDO TREN DE IMPULSOS (49).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/397,944 US4510453A (en) | 1982-07-13 | 1982-07-13 | Frequency modulation or pulse modulation demodulator |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8406011A1 true ES8406011A1 (es) | 1984-06-16 |
ES524050A0 ES524050A0 (es) | 1984-06-16 |
Family
ID=23573331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES524050A Granted ES524050A0 (es) | 1982-07-13 | 1983-07-12 | Un desmodulador para desmodular una senal alternativa modulada por frecuencia o por tiempo |
Country Status (6)
Country | Link |
---|---|
US (1) | US4510453A (es) |
EP (1) | EP0099265A1 (es) |
JP (1) | JPS5923905A (es) |
CA (1) | CA1207037A (es) |
ES (1) | ES524050A0 (es) |
MX (1) | MX153309A (es) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2546001B1 (fr) * | 1983-05-10 | 1985-07-05 | Thomson Csf | Demodulateur de signaux, a enveloppe constante et phase continue, modules angulairement par un train de symboles binaires |
JPH0344371Y2 (es) * | 1984-09-11 | 1991-09-18 | ||
US5036534A (en) * | 1989-01-31 | 1991-07-30 | Kenneth Gural | Intelligent telephone interface for automatic answering systems, and method of using |
US4935837A (en) * | 1989-04-03 | 1990-06-19 | Abb Power T&D Company Inc. | Phase comparison relaying system with single channel communications link |
US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
WO2000044087A2 (en) * | 1999-01-22 | 2000-07-27 | Parkervision, Inc. | Down-converter using sine to square wave converter |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US6798157B2 (en) * | 2001-08-20 | 2004-09-28 | International Rectifier Corporation | Combined motor drive and current sensing circuit |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
US10630276B2 (en) * | 2018-09-12 | 2020-04-21 | Semiconductor Components Industries, Llc | Pulse width demodulator |
RU2711470C1 (ru) * | 2018-11-26 | 2020-01-17 | Публичное акционерное общество Арзамасское научно-производственное предприятие "ТЕМП-АВИА" | Фазочувствительный амплитудный демодулятор |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3099800A (en) * | 1961-07-11 | 1963-07-30 | Kauke And Company Inc | Frequency to voltage converting circuit |
US3333109A (en) * | 1963-11-22 | 1967-07-25 | Ampex | Means for converting an input signal to a representative voltage |
US3553597A (en) * | 1968-02-12 | 1971-01-05 | Sierra Research Corp | F.m. to p.a.m. converter |
US3614641A (en) * | 1969-10-06 | 1971-10-19 | Westinghouse Electric Corp | Frequency demodulator |
IT1014577B (it) * | 1974-04-08 | 1977-04-30 | Sits Soc It Telecom Siemens | Demodulatore di onde modulate in frequenza per sistemi di trasmissio ne di informazioni binarie |
JPS5921204B2 (ja) * | 1974-12-03 | 1984-05-18 | ソニー株式会社 | Fm復調器 |
SU653741A1 (ru) * | 1976-03-01 | 1979-03-25 | Предприятие П/Я Г-4046 | Преобразователь широтно-модулированного сигнала в напр жение |
JPS5382385A (en) * | 1976-12-28 | 1978-07-20 | Yasufumi Yamagata | Frequency indicator or tachometer |
JPS54141551A (en) * | 1978-04-25 | 1979-11-02 | Mitsubishi Electric Corp | Demodulation circuit for frequency modulation wave |
US4275429A (en) * | 1979-10-12 | 1981-06-23 | Westinghouse Electric Corp. | Protective relay apparatus |
JPS5748826A (en) * | 1980-09-08 | 1982-03-20 | Japan Electronic Control Syst Co Ltd | Circuit for converting input pulse duty ratio into analog voltage |
US4380746A (en) * | 1981-03-03 | 1983-04-19 | Westinghouse Electric Corp. | Pulse modulator using capacitor charging and discharging circuits |
-
1982
- 1982-07-13 US US06/397,944 patent/US4510453A/en not_active Expired - Fee Related
-
1983
- 1983-06-29 CA CA000431493A patent/CA1207037A/en not_active Expired
- 1983-07-11 JP JP58126811A patent/JPS5923905A/ja active Pending
- 1983-07-11 EP EP83304014A patent/EP0099265A1/en not_active Ceased
- 1983-07-12 MX MX198005A patent/MX153309A/es unknown
- 1983-07-12 ES ES524050A patent/ES524050A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1207037A (en) | 1986-07-02 |
US4510453A (en) | 1985-04-09 |
JPS5923905A (ja) | 1984-02-07 |
MX153309A (es) | 1986-09-11 |
ES524050A0 (es) | 1984-06-16 |
EP0099265A1 (en) | 1984-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES8406011A1 (es) | Un desmodulador para desmodular una senal alternativa modulada por frecuencia o por tiempo | |
NZ214281A (en) | Digital demodulation of high frequency modulated signals | |
DE3784675T2 (de) | Schaltung zur rueckgewinnung von traegersignalen. | |
GB2017436B (en) | Circuit for recovering the carrier of an amplitude modulated synchronous digital signal | |
SE8301977D0 (sv) | Sendare anordnad att utsenda frekvensmodulerade signaler | |
DE3783837D1 (de) | Traegerrueckgewinnung von modulierten signalen. | |
DE3461013D1 (en) | Circuit recovering the carrier of a signal modulated by amplitude steps and phase steps | |
GB2152776B (en) | Amplitude modulated high frequency signal detection device | |
HUT40861A (en) | Method and circuit arrangement for converting frequency modulated signals through minimum one intermediate frequency into low frequency signal | |
NZ190429A (en) | Method of reducing interference components in frequency modulated signal | |
DE3170930D1 (en) | Method and circuit for demodulating frequency-modulated signals using sampled values | |
GB2099245B (en) | Demodulating an amplitude modulated signal | |
GB2184923B (en) | Apparatus for modulating and demodulating digital signals | |
GB2151093B (en) | Frequency modulation detection apparatus | |
PT79252B (fr) | Procede et dispositif de demodulation coherente de porteuse a modulation numerique | |
AU7037487A (en) | Method and device for converting the frequency of frequency modulated signals | |
US4430620A (en) | Demodulator system for double sideband suppressed carrier amplitude modulation | |
GB8728199D0 (en) | Coupling circuit for use between modulator & ceramic filter in amplitude modulation receivers | |
DE3280389D1 (de) | Modulator-demodulator zur erzeugung und zur demodulierung eines frequenzmodulierten signals. | |
GB2004146B (en) | Circuitry for a facsimile receiver for regeneration of carrier for an amplitude modulated suppressed carrier signal | |
GB2078067B (en) | Circuit for demodulating amplitude and angle modulated broadcast signals | |
IT1162834B (it) | Ricevitore e modulatore inverso particolarmente per segnali stereofonici modulati in ampiezza | |
DE3772356D1 (de) | Demodulator fuer moduliertes signal in frequenz. | |
GB1424133A (en) | Transmission of wide-band sound signals | |
ATE16668T1 (de) | System zur funkuebertragung eines binaer kodierten signals. |