DE2909319C2 - Tuner - Google Patents

Tuner

Info

Publication number
DE2909319C2
DE2909319C2 DE2909319A DE2909319A DE2909319C2 DE 2909319 C2 DE2909319 C2 DE 2909319C2 DE 2909319 A DE2909319 A DE 2909319A DE 2909319 A DE2909319 A DE 2909319A DE 2909319 C2 DE2909319 C2 DE 2909319C2
Authority
DE
Germany
Prior art keywords
stage
tuner
tunable
band filter
dual
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
Application number
DE2909319A
Other languages
German (de)
English (en)
Other versions
DE2909319A1 (de
Inventor
Willi 3212 Gronau Heindorf
Walter Ing. Katthän (grad.), 3200 Hildesheim
Günter 3201 Diekholzen Luber
Hans Ing. Maly (grad.), 3226 Sibbesse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blaupunkt Werke GmbH
Original Assignee
Blaupunkt Werke GmbH
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 Blaupunkt Werke GmbH filed Critical Blaupunkt Werke GmbH
Priority to DE2909319A priority Critical patent/DE2909319C2/de
Priority to FR8000166A priority patent/FR2451133A1/fr
Priority to ES489321A priority patent/ES489321A1/es
Priority to ZA00801348A priority patent/ZA801348B/xx
Priority to IT20429/80A priority patent/IT1129731B/it
Priority to JP2930680A priority patent/JPS55138930A/ja
Publication of DE2909319A1 publication Critical patent/DE2909319A1/de
Application granted granted Critical
Publication of DE2909319C2 publication Critical patent/DE2909319C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Noise Elimination (AREA)
  • Filters And Equalizers (AREA)
DE2909319A 1979-03-09 1979-03-09 Tuner Expired DE2909319C2 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE2909319A DE2909319C2 (de) 1979-03-09 1979-03-09 Tuner
FR8000166A FR2451133A1 (fr) 1979-03-09 1980-01-04 Dispositif d'accord
ES489321A ES489321A1 (es) 1979-03-09 1980-03-07 Perfeccionamientos en sintonizadores para receptores de te- levision.
ZA00801348A ZA801348B (en) 1979-03-09 1980-03-07 A tuner for television receivers
IT20429/80A IT1129731B (it) 1979-03-09 1980-03-07 Sintonizzatori per televisori
JP2930680A JPS55138930A (en) 1979-03-09 1980-03-10 Tuner for television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2909319A DE2909319C2 (de) 1979-03-09 1979-03-09 Tuner

Publications (2)

Publication Number Publication Date
DE2909319A1 DE2909319A1 (de) 1980-09-11
DE2909319C2 true DE2909319C2 (de) 1982-10-14

Family

ID=6064968

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2909319A Expired DE2909319C2 (de) 1979-03-09 1979-03-09 Tuner

Country Status (6)

Country Link
JP (1) JPS55138930A (OSRAM)
DE (1) DE2909319C2 (OSRAM)
ES (1) ES489321A1 (OSRAM)
FR (1) FR2451133A1 (OSRAM)
IT (1) IT1129731B (OSRAM)
ZA (1) ZA801348B (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106997A1 (de) * 1981-02-25 1982-09-09 Blaupunkt-Werke Gmbh, 3200 Hildesheim Tuner fuer fernsehempfangsgeraet
FI67980C (fi) * 1983-10-13 1985-06-10 Salora Oy Koppling foer ett foer mikrovaogsfrekvenser avstaembart filtersamt foerverkligande av densamma
US4662001A (en) * 1985-08-15 1987-04-28 Zenith Electronics Corporation Tunable notch filter for image frequency and conducted local oscillator leakage rejection
US4783849A (en) * 1986-11-26 1988-11-08 Rca Licensing Corporation FET tuner
US5428828A (en) * 1992-08-28 1995-06-27 Thomson Consumer Electronics, Inc. Television receiver tuning circuit
JPH0993091A (ja) * 1995-09-25 1997-04-04 Alps Electric Co Ltd テレビジョンチューナ入力同調回路
US5767726A (en) * 1996-10-21 1998-06-16 Lucent Technologies Inc. Four terminal RF mixer device
WO2006047294A1 (en) * 2004-10-22 2006-05-04 University Of Florida Research Foundation, Inc. Frequency tunable low noise amplifier

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171032B (de) * 1961-11-13 1964-05-27 Telefunken Patent Anordnung zur elektronischen Abstimmung und zur automatischen Scharfabstimmung
DE2701353A1 (de) * 1977-01-14 1978-08-10 Licentia Gmbh Mischstufe mit kapazitiver einkopplung der oszillatorfrequenz

Also Published As

Publication number Publication date
ES489321A1 (es) 1980-08-16
ZA801348B (en) 1981-06-24
FR2451133B3 (OSRAM) 1981-10-30
IT8020429A0 (it) 1980-03-07
JPS55138930A (en) 1980-10-30
DE2909319A1 (de) 1980-09-11
FR2451133A1 (fr) 1980-10-03
IT1129731B (it) 1986-06-11

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
8120 Willingness to grant licences paragraph 23
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee