HUT40861A - Method and circuit arrangement for converting frequency modulated signals through minimum one intermediate frequency into low frequency signal - Google Patents
Method and circuit arrangement for converting frequency modulated signals through minimum one intermediate frequency into low frequency signalInfo
- Publication number
- HUT40861A HUT40861A HU854990A HU499085A HUT40861A HU T40861 A HUT40861 A HU T40861A HU 854990 A HU854990 A HU 854990A HU 499085 A HU499085 A HU 499085A HU T40861 A HUT40861 A HU T40861A
- Authority
- HU
- Hungary
- Prior art keywords
- frequency
- minimum
- circuit arrangement
- modulated signals
- converting
- Prior art date
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
-
- 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
- H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
- H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
- H03D3/005—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling a bandpass filter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843438286 DE3438286A1 (de) | 1984-10-16 | 1984-10-16 | Verfahren und schaltungsanordnung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale |
PCT/DE1985/000399 WO1986002505A1 (en) | 1984-10-16 | 1985-10-11 | Process and circuit arrangement for converting frequency-modulated signals through at least one intermediate frequency into low-frquency signals |
Publications (1)
Publication Number | Publication Date |
---|---|
HUT40861A true HUT40861A (en) | 1987-02-27 |
Family
ID=6248256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU854990A HUT40861A (en) | 1984-10-16 | 1985-10-11 | Method and circuit arrangement for converting frequency modulated signals through minimum one intermediate frequency into low frequency signal |
Country Status (9)
Country | Link |
---|---|
US (1) | US4903332A (hu) |
EP (1) | EP0198862B1 (hu) |
JP (1) | JPS62500556A (hu) |
KR (1) | KR970007877B1 (hu) |
AU (1) | AU4962885A (hu) |
DE (2) | DE3438286A1 (hu) |
DK (1) | DK282086D0 (hu) |
HU (1) | HUT40861A (hu) |
WO (1) | WO1986002505A1 (hu) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63232507A (ja) * | 1987-03-19 | 1988-09-28 | Fujitsu Ltd | 無線受信方式 |
DE3724604A1 (de) * | 1987-04-15 | 1988-12-01 | H U C Elektronik Gmbh | Anordnung zum filtern eines fm-ukw-empfangssignals |
DE3818750A1 (de) * | 1988-05-30 | 1989-12-14 | H U C Elektronik Gmbh | Fm-empfangsteil |
DE3818748A1 (de) * | 1988-05-30 | 1989-12-21 | H U C Elektronik Gmbh | Fm-empfangsteil |
DE3818751A1 (de) * | 1988-05-30 | 1989-12-07 | H U C Elektronik Gmbh | Fm-empfangsteil |
DE3818752A1 (de) * | 1988-05-30 | 1989-12-07 | H U C Elektronik Gmbh | Fm-empfangsteil |
DE3818749A1 (de) | 1988-05-30 | 1989-12-21 | H U C Elektronik Gmbh | Fm-empfangsteil |
DE3818753A1 (de) * | 1988-05-30 | 1989-12-21 | H U C Elektronik Gmbh | Fm-empfangsteil |
US5109544A (en) * | 1990-11-05 | 1992-04-28 | Motorola, Inc. | Paging receiver with automatic frequency control |
JPH04299610A (ja) * | 1991-03-27 | 1992-10-22 | Rohm Co Ltd | フィルタ装置 |
JP2710877B2 (ja) * | 1991-06-28 | 1998-02-10 | 株式会社ケンウッド | Fm受信機 |
TW228043B (hu) * | 1992-06-26 | 1994-08-11 | Philips Electronics Nv | |
DE4332767C2 (de) * | 1993-09-25 | 1997-04-24 | Telefunken Microelectron | Verfahren zur Steuerung eines FM-Empfängers mit nachführbarem ZF-Filter und Schaltungsanordnung zur Dürchführung des Verfahrens |
US5757864A (en) * | 1995-08-17 | 1998-05-26 | Rockwell Semiconductor Systems, Inc. | Receiver with filters offset correction |
GB2335809B (en) * | 1998-03-24 | 2001-09-12 | Ericsson Telefon Ab L M | Demodulator circuits |
GB2335807B (en) | 1998-03-24 | 2001-12-12 | Ericsson Telefon Ab L M | Demodulator circuits |
DE60102548T2 (de) * | 2000-02-04 | 2005-02-24 | Koninklijke Philips Electronics N.V. | Fm-rundfunkempfänger |
DE10142019A1 (de) * | 2001-08-28 | 2003-03-20 | Philips Corp Intellectual Pty | Schaltungsanordnung zur Demodulation von Signalen |
KR101101689B1 (ko) * | 2004-05-19 | 2011-12-30 | 톰슨 라이센싱 | 다수의 방송 표준 신호 수신기용 필터 구성 |
US8160526B2 (en) * | 2004-08-13 | 2012-04-17 | Thomson Licensing | Filter configuration for a receiver of multiple broadcast standard signals |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL67099C (hu) * | 1940-06-29 | |||
US2262945A (en) * | 1941-04-12 | 1941-11-18 | Bell Telephone Labor Inc | Frequency modulation receiver |
US3150323A (en) * | 1958-02-26 | 1964-09-22 | Gen Precision Inc | Coincident frequency tracker in which oscillation generator generates two distinct frequencies alternately |
US3329900A (en) * | 1963-11-05 | 1967-07-04 | Trw Inc | Phase-stable receiver employing a phase-modulated injected reference |
US3428900A (en) * | 1965-11-26 | 1969-02-18 | Rca Corp | Distributed feedback frequency compression in frequency modulation reception |
DE1541705C3 (de) * | 1966-12-16 | 1974-10-17 | Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm | Anordnung für einen automatischen, elektronisch geregelten Laufzeitausgleich in Übertragungssystemen mit Frequenzmodulation |
DE1766622B1 (de) * | 1967-07-07 | 1971-10-21 | Fujitsu Ltd | Frequenzvielfachempfaenger fuer differential phasenmodulierte signale |
US3614627A (en) * | 1968-10-15 | 1971-10-19 | Data Control Systems Inc | Universal demodulation system |
US3626301A (en) * | 1970-05-21 | 1971-12-07 | Trw Inc | Band-pass phase-lock receiver |
JPS4864862A (hu) * | 1971-12-08 | 1973-09-07 | ||
DE2333851A1 (de) * | 1973-07-03 | 1975-01-23 | Standard Elektrik Lorenz Ag | Verfahren und anordnungen zur selbsttaetigen nachregelung der mit einer abstimmanordnunggeingestellten oszillatorfrequenz eines ueberlagerungsempfangsteils einer bild und/oder tonwiedergabeanordnung |
DE2358288A1 (de) * | 1973-11-22 | 1975-06-05 | Standard Elektrik Lorenz Ag | Empfaenger fuer frequenzmodulierte hf-signale |
DE2432325B2 (de) * | 1974-07-05 | 1976-12-16 | Siemens AG, 1000 Berlin und 8000 München | Werkzeugvoreinstellgeraet fuer drehautomaten |
US3936753A (en) * | 1974-07-12 | 1976-02-03 | Martin Marietta Corporation | Digital automatic frequency control circuit |
JPS5513657Y2 (hu) * | 1975-06-24 | 1980-03-27 | ||
JPS5945273B2 (ja) * | 1976-09-16 | 1984-11-05 | ソニー株式会社 | テレビジヨン受像機 |
US4091410A (en) * | 1976-11-08 | 1978-05-23 | Zenith Radio Corporation | Frequency and phase lock loop synchronous detecting system having a pair of phase lock conditions |
JPS5563118A (en) * | 1978-11-02 | 1980-05-13 | Sony Corp | Aft circuit |
US4293818A (en) * | 1979-01-22 | 1981-10-06 | International Telephone And Telegraph Corporation | Frequency modulation threshold extension demodulator utilizing frequency compression feedback with frequency drift correction |
DE3048263A1 (de) * | 1980-12-20 | 1982-07-29 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Rundfunkempfangsgeraet |
DE3121088C2 (de) * | 1981-05-27 | 1986-12-04 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | UKW-Empfänger |
DE3137843A1 (de) * | 1981-09-23 | 1983-03-31 | Robert Bosch Gmbh, 7000 Stuttgart | Filter- und demodulationsschaltung |
DE3147493C2 (de) * | 1981-12-01 | 1986-04-03 | Robert Bosch Gmbh, 7000 Stuttgart | Filter- und Demodulationsschaltung |
DE3208758A1 (de) * | 1982-03-11 | 1983-09-22 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung fuer einen fm-empfaenger |
FR2564663B1 (fr) * | 1984-05-15 | 1986-09-19 | Radiotechnique | Demodulateur de frequence a largeur de bande ajustable |
JPS6172418A (ja) * | 1984-09-17 | 1986-04-14 | Alps Electric Co Ltd | 衛星放送用受信機 |
JPS61171207A (ja) * | 1985-01-25 | 1986-08-01 | Nec Corp | 受信機 |
US4653117A (en) * | 1985-11-18 | 1987-03-24 | Motorola, Inc. | Dual conversion FM receiver using phase locked direct conversion IF |
US4761829A (en) * | 1985-11-27 | 1988-08-02 | Motorola Inc. | Adaptive signal strength and/or ambient noise driven audio shaping system |
-
1984
- 1984-10-16 DE DE19843438286 patent/DE3438286A1/de not_active Withdrawn
-
1985
- 1985-10-11 AU AU49628/85A patent/AU4962885A/en not_active Abandoned
- 1985-10-11 JP JP60504602A patent/JPS62500556A/ja active Pending
- 1985-10-11 DE DE8585905057T patent/DE3585232D1/de not_active Expired - Lifetime
- 1985-10-11 WO PCT/DE1985/000399 patent/WO1986002505A1/de active IP Right Grant
- 1985-10-11 EP EP85905057A patent/EP0198862B1/de not_active Expired - Lifetime
- 1985-10-11 KR KR1019860700361A patent/KR970007877B1/ko not_active IP Right Cessation
- 1985-10-11 HU HU854990A patent/HUT40861A/hu unknown
-
1986
- 1986-06-16 DK DK282086A patent/DK282086D0/da not_active Application Discontinuation
-
1988
- 1988-03-02 US US07/163,272 patent/US4903332A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1986002505A1 (en) | 1986-04-24 |
DE3438286A1 (de) | 1986-04-17 |
KR970007877B1 (ko) | 1997-05-17 |
EP0198862B1 (de) | 1992-01-15 |
DE3585232D1 (de) | 1992-02-27 |
KR880700533A (ko) | 1988-03-15 |
DK282086A (da) | 1986-06-16 |
JPS62500556A (ja) | 1987-03-05 |
US4903332A (en) | 1990-02-20 |
AU4962885A (en) | 1986-05-02 |
DK282086D0 (da) | 1986-06-16 |
EP0198862A1 (de) | 1986-10-29 |
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