LV10988B - Circuit arrangement for band switching in tuners - Google Patents

Circuit arrangement for band switching in tuners Download PDF

Info

Publication number
LV10988B
LV10988B LVP-93-512A LV930512A LV10988B LV 10988 B LV10988 B LV 10988B LV 930512 A LV930512 A LV 930512A LV 10988 B LV10988 B LV 10988B
Authority
LV
Latvia
Prior art keywords
mop
terminal
voltage
quot
output
Prior art date
Application number
LVP-93-512A
Other languages
English (en)
Latvian (lv)
Other versions
LV10988A (lv
Inventor
Hohmann Henning
Original Assignee
Siemens Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of LV10988A publication Critical patent/LV10988A/xx
Publication of LV10988B publication Critical patent/LV10988B/lv

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)
LVP-93-512A 1990-05-21 1993-06-08 Circuit arrangement for band switching in tuners LV10988B (en)

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 (2)

Publication Number Publication Date
LV10988A LV10988A (lv) 1995-12-20
LV10988B true LV10988B (en) 1996-04-20

Family

ID=8204006

Family Applications (1)

Application Number Title Priority Date Filing Date
LVP-93-512A LV10988B (en) 1990-05-21 1993-06-08 Circuit arrangement for band switching in tuners

Country Status (13)

Country Link
US (1) US5204645A (fi)
EP (1) EP0457932B1 (fi)
JP (1) JP3174089B2 (fi)
AT (1) ATE126412T1 (fi)
DE (1) DE59009512D1 (fi)
ES (1) ES2075089T3 (fi)
FI (1) FI912441A (fi)
LT (1) LT3635B (fi)
LV (1) LV10988B (fi)
PL (1) PL165175B1 (fi)
RU (1) RU2077115C1 (fi)
TR (1) TR25666A (fi)
YU (1) YU46891A (fi)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (fi) * 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.

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
ES2075089T3 (es) 1995-10-01
DE59009512D1 (de) 1995-09-14
RU2077115C1 (ru) 1997-04-10
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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