DE69834407D1 - Direktmischempfänger für FSK-modulierte Signale - Google Patents
Direktmischempfänger für FSK-modulierte SignaleInfo
- Publication number
- DE69834407D1 DE69834407D1 DE69834407T DE69834407T DE69834407D1 DE 69834407 D1 DE69834407 D1 DE 69834407D1 DE 69834407 T DE69834407 T DE 69834407T DE 69834407 T DE69834407 T DE 69834407T DE 69834407 D1 DE69834407 D1 DE 69834407D1
- Authority
- DE
- Germany
- Prior art keywords
- modulated signals
- fsk modulated
- direct mix
- receiver
- mix receiver
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
- H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98124582A EP1014637B1 (de) | 1998-12-23 | 1998-12-23 | Direktmischempfänger für FSK-modulierte Signale |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69834407D1 true DE69834407D1 (de) | 2006-06-08 |
DE69834407T2 DE69834407T2 (de) | 2007-04-19 |
Family
ID=8233236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69834407T Expired - Lifetime DE69834407T2 (de) | 1998-12-23 | 1998-12-23 | Direktmischempfänger für FSK-modulierte Signale |
Country Status (4)
Country | Link |
---|---|
US (1) | US6563887B1 (de) |
EP (1) | EP1014637B1 (de) |
JP (1) | JP4267786B2 (de) |
DE (1) | DE69834407T2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4063563B2 (ja) * | 2002-03-25 | 2008-03-19 | 株式会社日立国際電気 | 直接検波回路 |
US7146148B2 (en) * | 2002-10-01 | 2006-12-05 | Hitachi Kokusai Electric Inc. | Low intermediate frequency type receiver |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4437068A (en) * | 1981-02-19 | 1984-03-13 | Thomson-Csf | FSK Demodulator for frequency-modulation modem |
GB2149244B (en) * | 1983-10-29 | 1987-01-21 | Standard Telephones Cables Ltd | Digital demodulator arrangement for quadrature signals |
GB8719849D0 (en) * | 1987-08-21 | 1987-09-30 | British Telecomm | Fsk discriminator |
GB2233535A (en) * | 1989-06-30 | 1991-01-09 | Philips Electronic Associated | Radio receiver |
US5249203A (en) * | 1991-02-25 | 1993-09-28 | Rockwell International Corporation | Phase and gain error control system for use in an i/q direct conversion receiver |
CN1087120C (zh) * | 1994-11-10 | 2002-07-03 | 松下电器产业株式会社 | 直接变频接收机 |
US5828705A (en) * | 1996-02-01 | 1998-10-27 | Kroeger; Brian W. | Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio |
US5937341A (en) * | 1996-09-13 | 1999-08-10 | University Of Washington | Simplified high frequency tuner and tuning method |
EP0948128B1 (de) * | 1998-04-03 | 2004-12-01 | Motorola Semiconducteurs S.A. | Unterdrückung von Gleichspannungsverschiebungen in einem Quadraturempfänger |
US6304751B1 (en) * | 1998-12-29 | 2001-10-16 | Cirrus Logic, Inc. | Circuits, systems and methods for digital correction of phase and magnitude errors in image reject mixers |
-
1998
- 1998-12-23 EP EP98124582A patent/EP1014637B1/de not_active Expired - Lifetime
- 1998-12-23 DE DE69834407T patent/DE69834407T2/de not_active Expired - Lifetime
-
1999
- 1999-12-20 US US09/466,892 patent/US6563887B1/en not_active Expired - Lifetime
- 1999-12-24 JP JP36691099A patent/JP4267786B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1014637B1 (de) | 2006-05-03 |
JP4267786B2 (ja) | 2009-05-27 |
US6563887B1 (en) | 2003-05-13 |
EP1014637A1 (de) | 2000-06-28 |
DE69834407T2 (de) | 2007-04-19 |
JP2000196685A (ja) | 2000-07-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69918945D1 (de) | Empfänger für diskrete Mehrträger-modulierte Signale mit Fensterfunktion | |
DE59909512D1 (de) | Integrierbare funkempfängerschaltung für frequenzmodulierte digitale signale | |
DE69917431D1 (de) | Rundfunkempfänger | |
DE69838691D1 (de) | Sender/Empfänger zur Detektion von Zügen | |
DE69518715T2 (de) | Empfangsgerät für digitale Signale | |
DE69934864D1 (de) | Interferenzloses radiokommunikationssystem | |
DE69633052D1 (de) | Empfänger für m-stufige fsk-signale | |
DE69809456T2 (de) | Breitbandiger digitaler funkempfänger für mehrträgersignale | |
EE200000709A (et) | Raadiovastuvõtja | |
DE69522398T2 (de) | Empfänger für Amplitudenmodulation | |
DE69936044D1 (de) | Dekodierung von raum-zeit-kodierten signalen für drahtlose kommunikation | |
DE59812181D1 (de) | Kommunikationseinrichtung für die übertragung von nachrichtensignalen | |
DE69826943D1 (de) | Empfänger für digitales Rundfunk | |
DE69939983D1 (de) | Empfänger für digitale funksignale | |
DE69702832T2 (de) | Demodulator für amplitudenmoduliertes Signal | |
DE69934206D1 (de) | Übertragungssystem für multiplex signale | |
DE29822488U1 (de) | Kommunikationssystem und Sende-/Empfangseinheit für ein solches | |
DE69936169D1 (de) | Schalter für Funkfrequenzsignale | |
DE59900216D1 (de) | Vorrichtung für den homodynen Empfang optischer phasenumgetasteter Signale | |
DE944194T1 (de) | Empfänger für den Empfang von digitalen Rundfunkprogrammen | |
DE69834407D1 (de) | Direktmischempfänger für FSK-modulierte Signale | |
DE69932759D1 (de) | Optischer FM-Signal-Sender | |
DE50012378D1 (de) | Empfangsvorrichtung für winkelmodulierte signale unter verwendung digitaler kanalselektion | |
DE944193T1 (de) | Empfänger für den Empfang von digitalen Rundfunkprogrammen | |
DE69809876D1 (de) | Empfangsgerät zur Datenübertragung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |