DE69126481D1 - Erste ZF-Filter mit bestimmtem zweitem Halb-ZF-Sperrkreis zum Gebrauch in einem FM-Rundfunkempfänger in einem Fernsehempfänger - Google Patents
Erste ZF-Filter mit bestimmtem zweitem Halb-ZF-Sperrkreis zum Gebrauch in einem FM-Rundfunkempfänger in einem FernsehempfängerInfo
- Publication number
- DE69126481D1 DE69126481D1 DE69126481T DE69126481T DE69126481D1 DE 69126481 D1 DE69126481 D1 DE 69126481D1 DE 69126481 T DE69126481 T DE 69126481T DE 69126481 T DE69126481 T DE 69126481T DE 69126481 D1 DE69126481 D1 DE 69126481D1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- specific
- blocking circuit
- receiver
- television 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1758—Series LC in shunt or branch path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/06—Frequency selective two-port networks including resistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1766—Parallel LC in series path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
- H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/075—Ladder networks, e.g. electric wave filters
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Circuits Of Receivers In General (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/561,584 US5142369A (en) | 1990-08-06 | 1990-08-06 | First if filter with fixed second half-if trap for use in an fm radio in a television reciever |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69126481D1 true DE69126481D1 (de) | 1997-07-17 |
DE69126481T2 DE69126481T2 (de) | 1997-10-23 |
Family
ID=24242577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69126481T Expired - Fee Related DE69126481T2 (de) | 1990-08-06 | 1991-08-01 | Erste ZF-Filter mit bestimmtem zweitem Halb-ZF-Sperrkreis zum Gebrauch in einem FM-Rundfunkempfänger in einem Fernsehempfänger |
Country Status (7)
Country | Link |
---|---|
US (1) | US5142369A (de) |
EP (1) | EP0470502B1 (de) |
JP (1) | JP2797226B2 (de) |
KR (1) | KR100211620B1 (de) |
CN (1) | CN1058873A (de) |
DE (1) | DE69126481T2 (de) |
MY (1) | MY105434A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04252679A (ja) * | 1991-01-29 | 1992-09-08 | Matsushita Electric Ind Co Ltd | テレビジョン受像機 |
US5666658A (en) * | 1991-03-07 | 1997-09-09 | Recoton Corporation | Wireless signal transmission system, method and apparatus |
US6070061A (en) * | 1997-10-03 | 2000-05-30 | Zenith Electronics Corporation | Adjacent channel rejection in double conversion tuner |
EP1145430B1 (de) | 1998-11-12 | 2004-09-15 | Broadcom Corporation | Integrierte tunerarchitektur |
KR20010107263A (ko) * | 2000-05-26 | 2001-12-07 | 송재인 | 멀티미디어 수신이 가능한 수신기 및 이의 제어 방법 |
KR100484172B1 (ko) * | 2002-11-01 | 2005-04-19 | 삼성전자주식회사 | 싱글 튜너를 이용한 tv 및 fm 라디오 수신 장치 |
WO2010126472A1 (en) * | 2009-04-27 | 2010-11-04 | Thomson Licensing | Signal splitter for moca systems |
KR101610956B1 (ko) * | 2009-10-01 | 2016-04-08 | 삼성전자주식회사 | 무선 통신 시스템을 위한 광대역 수신 장치 및 그 제어 방법 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51117510A (en) * | 1975-04-07 | 1976-10-15 | Shintou Denki Kk | Double superheterodyne receiver |
JPS5823972B2 (ja) * | 1975-05-30 | 1983-05-18 | 三洋電機株式会社 | 多バンドデイジタルシンセサイザ受信機 |
US4162451A (en) * | 1977-07-05 | 1979-07-24 | Texas Instruments Incorporated | MESFET-device surface-wave-device channel selector |
JPS5934035B2 (ja) * | 1978-10-19 | 1984-08-20 | ヤマハ株式会社 | 受信機の多重変調波復調回路 |
JPS5847100B2 (ja) * | 1979-01-10 | 1983-10-20 | 松下電器産業株式会社 | 選局装置 |
US4286288A (en) * | 1979-05-25 | 1981-08-25 | Teleprompter Corporation | Apparatus and method for tamper resistant channel attenuation in subscription television converter |
US4352111A (en) * | 1981-01-26 | 1982-09-28 | Rca Corporation | Multi-band antenna coupling network |
JPS57155885A (en) * | 1981-03-20 | 1982-09-27 | Fujitsu General Ltd | Television and fm receiver |
JPS58159031A (ja) * | 1982-03-16 | 1983-09-21 | Matsushita Electric Ind Co Ltd | Fm/tv受信機 |
US4553264A (en) * | 1982-09-17 | 1985-11-12 | Matsushita Electric Industrial Co., Ltd. | Double superheterodyne tuner |
US4575761A (en) * | 1983-04-28 | 1986-03-11 | Rca Corporation | AFT arrangement for a double conversion tuner |
US4499602A (en) * | 1983-06-28 | 1985-02-12 | Rca Corporation | Double conversion tuner for broadcast and cable television channels |
US4581643A (en) * | 1983-07-25 | 1986-04-08 | Rca Corporation | Double conversion television tuner with frequency response control provisions |
US4726072A (en) * | 1983-07-28 | 1988-02-16 | Matsushita Electric Industrial Co., Ltd. | Double converter tuner |
US4574308A (en) * | 1984-04-20 | 1986-03-04 | Dell-Star Corporation | FM Video receiver |
JPS61111032A (ja) * | 1984-11-05 | 1986-05-29 | Yuniden Kk | 受信機器における受信周波数帯弁別方法 |
JPH0614501Y2 (ja) * | 1985-04-26 | 1994-04-13 | シャープ株式会社 | Catv用コンバ−タにおけるバンドパスフィルタ |
JPS63242030A (ja) * | 1987-03-30 | 1988-10-07 | Toshiba Corp | 広帯域周波数シンセサイザ受信機 |
GB2214757A (en) * | 1988-01-22 | 1989-09-06 | Philips Electronic Associated | Signal distribution network |
US4903129A (en) * | 1989-04-06 | 1990-02-20 | Thomson Consumer Electronics, Inc. | Audio signal section apparatus |
-
1990
- 1990-08-06 US US07/561,584 patent/US5142369A/en not_active Expired - Lifetime
-
1991
- 1991-04-24 MY MYPI91000700A patent/MY105434A/en unknown
- 1991-07-31 KR KR1019910013164A patent/KR100211620B1/ko not_active IP Right Cessation
- 1991-08-01 EP EP91112928A patent/EP0470502B1/de not_active Expired - Lifetime
- 1991-08-01 DE DE69126481T patent/DE69126481T2/de not_active Expired - Fee Related
- 1991-08-03 CN CN91105418A patent/CN1058873A/zh active Pending
- 1991-08-05 JP JP3282351A patent/JP2797226B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0470502B1 (de) | 1997-06-11 |
EP0470502A2 (de) | 1992-02-12 |
JP2797226B2 (ja) | 1998-09-17 |
JPH0514826A (ja) | 1993-01-22 |
US5142369A (en) | 1992-08-25 |
KR100211620B1 (ko) | 1999-08-02 |
EP0470502A3 (en) | 1992-10-14 |
KR920005621A (ko) | 1992-03-28 |
MY105434A (en) | 1994-10-31 |
DE69126481T2 (de) | 1997-10-23 |
CN1058873A (zh) | 1992-02-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69122923D1 (de) | Stereo-FM-Rundfunkempfänger in einem Fernsehempfänger | |
DE69320868T2 (de) | Empfänger mit einem kombinierten AM-FM-Demodulator | |
DE69228650T2 (de) | FM-Empfänger mit zwei Zwischenfrequenz-Bandpass-Filtern | |
EP0477694A3 (en) | Continuous-time filter tuning circuit and method | |
DE69317016D1 (de) | FM-Empfänger mit dynamischer MF-Filterabstimmung | |
DE69025172D1 (de) | Rundfunkempfänger mit zwei Empfangssystemen | |
HK91991A (en) | Circuit arrangement for a receiver with two phase-locked loops | |
DE69126481D1 (de) | Erste ZF-Filter mit bestimmtem zweitem Halb-ZF-Sperrkreis zum Gebrauch in einem FM-Rundfunkempfänger in einem Fernsehempfänger | |
DE69126380D1 (de) | FM-Sperrkreis für einen Fernsehtuner, wobei TV- und FM-Empfang mit demselben Tuner möglich ist | |
EP0477460A3 (en) | Noise suppressing circuit in an fm tuner | |
DE69124311T2 (de) | Mono-FM-Rundfunkempfänger in einem Fernsehempfänger | |
DE69430160T2 (de) | Vorrichtung mit entscheidungsgesteuerter Kanalschätzung in einer digitalen Mobilfunkverbindung | |
DE3482613D1 (de) | Interferenzwellendetektorschaltung zur anwendung in einem funkempfaenger. | |
GB8417549D0 (en) | Fm discriminator circuits | |
DE59303603D1 (de) | Kombiniertes Funksende- und -empfangsgerät mit einer PLL-Schaltung | |
GB2234650B (en) | FM demodulating circuit | |
DE69024258D1 (de) | FM-Stereoempfänger | |
DE69529455T2 (de) | Fm-demodulator mit schwellwerterweiterung und empfänger mit einem derartigen fm-demodulator | |
DE69106405D1 (de) | Fernsehempfänger mit einem FM Demodulator mit reduziertem Schwellwert. | |
EP0442818A3 (en) | Fm demodulator | |
ZA844168B (en) | Tuning circuit for the uhf and vhf ranges | |
DE3474387D1 (en) | Fm demodulation circuit | |
GB2246496B (en) | FM stereophonic receiver | |
DE68906176T2 (de) | Umschaltbare selbstabgleichende filterschaltung fuer runkfunksender und/oder rundfunkempfaenger. | |
DE59407254D1 (de) | Schaltungsanordnung zum Demodulieren der Tonsignale in einem Fernsehsignal |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |