ES2075089T3 - Disposicion de circuito para la conmutacion de zona en sintonizadores. - Google Patents
Disposicion de circuito para la conmutacion de zona en sintonizadores.Info
- Publication number
- ES2075089T3 ES2075089T3 ES90109584T ES90109584T ES2075089T3 ES 2075089 T3 ES2075089 T3 ES 2075089T3 ES 90109584 T ES90109584 T ES 90109584T ES 90109584 T ES90109584 T ES 90109584T ES 2075089 T3 ES2075089 T3 ES 2075089T3
- Authority
- ES
- Spain
- Prior art keywords
- switching
- tuners
- area
- circuit provision
- provision
- 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
- 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
- H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Circuits Of Receivers In General (AREA)
- Circuit For Audible Band Transducer (AREA)
- Networks Using Active Elements (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Amplifiers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Electronic Switches (AREA)
Abstract
EN LA AMPLIFICACION DE ALTA FRECUENCIA SE MUESTRAN SINTONIZADORES EN PREAMPLIFICACION GENERAL (1, 1'', 1'''') CON TETRODOS MOS (4) PARA CADA ZONA PARCIAL DE LOS SINTONIZADORES. DE ACUERDO CON ESTA INVENCION SE ALCANZA LA CONMUTACION DE FORMA QUE LA CONEXION DE FUENTE (S) DE LA PREAMPLIFICACION ACTIVADORA (1), ES CONMUTABLE SOBRE UNA RESISTENCIA (10) A TRAVES DE UN DISPOSITIVO DE CONMUTACION (11) SOBRE POTENCIAL DE REFERENCIA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP90109584A EP0457932B1 (de) | 1990-05-21 | 1990-05-21 | Schaltungsanordnung zur Bereichsumschaltung in Tunern |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2075089T3 true ES2075089T3 (es) | 1995-10-01 |
Family
ID=8204006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90109584T Expired - Lifetime ES2075089T3 (es) | 1990-05-21 | 1990-05-21 | Disposicion de circuito para la conmutacion de zona en sintonizadores. |
Country Status (13)
Country | Link |
---|---|
US (1) | US5204645A (es) |
EP (1) | EP0457932B1 (es) |
JP (1) | JP3174089B2 (es) |
AT (1) | ATE126412T1 (es) |
DE (1) | DE59009512D1 (es) |
ES (1) | ES2075089T3 (es) |
FI (1) | FI912441A (es) |
LT (1) | LT3635B (es) |
LV (1) | LV10988B (es) |
PL (1) | PL165175B1 (es) |
RU (1) | RU2077115C1 (es) |
TR (1) | TR25666A (es) |
YU (1) | YU46891A (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19538543A1 (de) * | 1995-10-17 | 1997-04-24 | Philips Patentverwaltung | Hochfrequenzempfangsstufe |
US5774017A (en) | 1996-06-03 | 1998-06-30 | Anadigics, Inc. | Multiple-band amplifier |
JP3250785B2 (ja) * | 1996-08-09 | 2002-01-28 | アルプス電気株式会社 | テレビチューナ |
WO1998015055A1 (de) * | 1996-09-30 | 1998-04-09 | Siemens Aktiengesellschaft | Mehrfach-vorstufenschaltung für fernseh-tuner |
JP3627783B2 (ja) * | 1996-12-26 | 2005-03-09 | シャープ株式会社 | ケーブルモデム用チューナ |
US6452645B1 (en) | 1997-09-29 | 2002-09-17 | Infineon Technologies Ag | Multiple preliminary stage circuit for television tuner |
JP3753518B2 (ja) * | 1997-10-24 | 2006-03-08 | シャープ株式会社 | ケーブルモデム用チューナ |
WO1999048201A2 (en) * | 1998-03-13 | 1999-09-23 | Koninklijke Philips Electronics N.V. | Tuning with diode detector |
DE19819544A1 (de) | 1998-04-30 | 1999-11-11 | Siemens Ag | Schaltungsanordnung zur Bereichsumschaltung in Hochfrequenzempfängern |
WO2001003291A1 (de) | 1999-06-30 | 2001-01-11 | Infineon Technologies Ag | Anordnung mit einem ersten verstärker und einem zweiten verstärker, von welchen jeweils nur maximal einer verstärken soll |
AU4022101A (en) * | 1999-09-22 | 2001-04-24 | Thomson Licensing S.A. | Pll with memory for electronic alignments |
EP1156582A3 (en) * | 2000-05-16 | 2004-04-28 | Nokia Corporation | Transmitter/receiver chain impedance optimization |
JP2002300065A (ja) * | 2000-11-29 | 2002-10-11 | Alps Electric Co Ltd | テレビジョンチューナ |
JP2002359572A (ja) * | 2001-05-31 | 2002-12-13 | Alps Electric Co Ltd | テレビジョンチューナ |
EP1265360B2 (en) † | 2001-06-08 | 2012-08-15 | Alps Electric Co., Ltd. | Integrated television tuner with a band switching circuit |
US7149483B1 (en) | 2003-10-28 | 2006-12-12 | Magnolia Broadband Inc. | Amplifying diversity signals using power amplifiers |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048598A (en) * | 1976-05-28 | 1977-09-13 | Rca Corporation | Uhf tuning circuit utilizing a varactor diode |
JPS6121882Y2 (es) * | 1980-11-14 | 1986-07-01 | ||
JPS58166134U (ja) * | 1982-04-28 | 1983-11-05 | アルプス電気株式会社 | 電子同調チユ−ナ |
US4442548A (en) * | 1982-05-14 | 1984-04-10 | Rca Corporation | Television receiver tuning circuit tunable over a wide frequency range |
DE3633384A1 (de) * | 1986-10-01 | 1988-04-14 | Telefunken Electronic Gmbh | Fernsehtuner fuer drei unterschiedliche frequenzbereiche |
NL8701641A (nl) * | 1987-07-13 | 1989-02-01 | Philips Nv | Tv-hf ingangsschakeling. |
-
1990
- 1990-05-21 ES ES90109584T patent/ES2075089T3/es not_active Expired - Lifetime
- 1990-05-21 AT AT90109584T patent/ATE126412T1/de not_active IP Right Cessation
- 1990-05-21 EP EP90109584A patent/EP0457932B1/de not_active Expired - Lifetime
- 1990-05-21 DE DE59009512T patent/DE59009512D1/de not_active Expired - Lifetime
-
1991
- 1991-03-13 YU YU46891A patent/YU46891A/sh unknown
- 1991-05-08 PL PL91290170A patent/PL165175B1/pl unknown
- 1991-05-17 TR TR91/0501A patent/TR25666A/xx unknown
- 1991-05-20 RU SU914895282A patent/RU2077115C1/ru active
- 1991-05-20 US US07/703,197 patent/US5204645A/en not_active Expired - Lifetime
- 1991-05-20 JP JP14544491A patent/JP3174089B2/ja not_active Expired - Lifetime
- 1991-05-20 FI FI912441A patent/FI912441A/fi not_active Application Discontinuation
-
1993
- 1993-06-08 LV LVP-93-512A patent/LV10988B/lv unknown
- 1993-12-08 LT LTIP1565A patent/LT3635B/lt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TR25666A (tr) | 1993-07-01 |
JP3174089B2 (ja) | 2001-06-11 |
EP0457932A1 (de) | 1991-11-27 |
JPH04230114A (ja) | 1992-08-19 |
DE59009512D1 (de) | 1995-09-14 |
RU2077115C1 (ru) | 1997-04-10 |
LV10988B (en) | 1996-04-20 |
LT3635B (en) | 1996-01-25 |
LTIP1565A (en) | 1995-06-26 |
EP0457932B1 (de) | 1995-08-09 |
ATE126412T1 (de) | 1995-08-15 |
YU46891A (sh) | 1994-06-10 |
LV10988A (lv) | 1995-12-20 |
FI912441A0 (fi) | 1991-05-20 |
US5204645A (en) | 1993-04-20 |
FI912441A (fi) | 1991-11-22 |
PL165175B1 (pl) | 1994-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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