DE2558121C2 - Schaltungsanordnung zur Frequenzbereichumschaltung durch An- und Abschalten einer Impedanz - Google Patents

Schaltungsanordnung zur Frequenzbereichumschaltung durch An- und Abschalten einer Impedanz

Info

Publication number
DE2558121C2
DE2558121C2 DE19752558121 DE2558121A DE2558121C2 DE 2558121 C2 DE2558121 C2 DE 2558121C2 DE 19752558121 DE19752558121 DE 19752558121 DE 2558121 A DE2558121 A DE 2558121A DE 2558121 C2 DE2558121 C2 DE 2558121C2
Authority
DE
Germany
Prior art keywords
switching
frequency range
impedance
switching diode
inductance
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
DE19752558121
Other languages
German (de)
English (en)
Other versions
DE2558121A1 (de
Inventor
Ludwig 8831 Hofstetten Küspert
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.)
Telefunken Electronic GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to DE19752558121 priority Critical patent/DE2558121C2/de
Priority to IT3030876A priority patent/IT1065023B/it
Priority to FR7638923A priority patent/FR2336828A1/fr
Publication of DE2558121A1 publication Critical patent/DE2558121A1/de
Application granted granted Critical
Publication of DE2558121C2 publication Critical patent/DE2558121C2/de
Expired legal-status Critical Current

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

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Superheterodyne Receivers (AREA)
DE19752558121 1975-12-23 1975-12-23 Schaltungsanordnung zur Frequenzbereichumschaltung durch An- und Abschalten einer Impedanz Expired DE2558121C2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19752558121 DE2558121C2 (de) 1975-12-23 1975-12-23 Schaltungsanordnung zur Frequenzbereichumschaltung durch An- und Abschalten einer Impedanz
IT3030876A IT1065023B (it) 1975-12-23 1976-12-10 Disposizione circuitale per la commutazione della gamma di frequenza mediante inserzione e disinserzione di un'impedenza
FR7638923A FR2336828A1 (fr) 1975-12-23 1976-12-23 Montage pour la commutation de la gamme de frequences par mise en ou hors circuit d'une impedance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752558121 DE2558121C2 (de) 1975-12-23 1975-12-23 Schaltungsanordnung zur Frequenzbereichumschaltung durch An- und Abschalten einer Impedanz

Publications (2)

Publication Number Publication Date
DE2558121A1 DE2558121A1 (de) 1977-06-30
DE2558121C2 true DE2558121C2 (de) 1982-08-26

Family

ID=5965350

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752558121 Expired DE2558121C2 (de) 1975-12-23 1975-12-23 Schaltungsanordnung zur Frequenzbereichumschaltung durch An- und Abschalten einer Impedanz

Country Status (3)

Country Link
DE (1) DE2558121C2 (show.php)
FR (1) FR2336828A1 (show.php)
IT (1) IT1065023B (show.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19647383A1 (de) * 1995-11-20 1997-05-22 Alps Electric Co Ltd Spannungsgesteuerte, veränderliche Abstimmschaltung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1066885C (zh) * 1995-01-04 2001-06-06 船井电机株式会社 包括射频转换器、调谐器和中频放大器的电路器件

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1551681A (show.php) * 1967-07-13 1968-12-27
DE2158691A1 (de) * 1971-11-26 1973-05-30 Blaupunkt Werke Gmbh Oszillatoranordnung mit kapazitiver abstimmung und elektronischer bereichsumschaltung
JPS4934262A (show.php) * 1972-07-28 1974-03-29

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19647383A1 (de) * 1995-11-20 1997-05-22 Alps Electric Co Ltd Spannungsgesteuerte, veränderliche Abstimmschaltung
DE19647383C2 (de) * 1995-11-20 1999-10-28 Alps Electric Co Ltd Spannungsgesteuerte, veränderliche Abstimmschaltung

Also Published As

Publication number Publication date
IT1065023B (it) 1985-02-25
DE2558121A1 (de) 1977-06-30
FR2336828B1 (show.php) 1980-07-18
FR2336828A1 (fr) 1977-07-22

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Legal Events

Date Code Title Description
OF Willingness to grant licences before publication of examined application
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: TELEFUNKEN ELECTRONIC GMBH, 7100 HEILBRONN, DE

8339 Ceased/non-payment of the annual fee