DE1285022B - Schaltungsanordnung zur Veraenderung der Resonanzfrequenz eines Schwingkreises - Google Patents

Schaltungsanordnung zur Veraenderung der Resonanzfrequenz eines Schwingkreises

Info

Publication number
DE1285022B
DE1285022B DET32776A DET0032776A DE1285022B DE 1285022 B DE1285022 B DE 1285022B DE T32776 A DET32776 A DE T32776A DE T0032776 A DET0032776 A DE T0032776A DE 1285022 B DE1285022 B DE 1285022B
Authority
DE
Germany
Prior art keywords
voltage
resonance frequency
circuit
arrangement
changing
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.)
Pending
Application number
DET32776A
Other languages
German (de)
English (en)
Inventor
Widl Walter Herbert Erwin
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE1285022B publication Critical patent/DE1285022B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/02—Details
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Electronic Switches (AREA)
DET32776A 1965-12-22 1966-12-16 Schaltungsanordnung zur Veraenderung der Resonanzfrequenz eines Schwingkreises Pending DE1285022B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16670/65A SE306962B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-12-22 1965-12-22

Publications (1)

Publication Number Publication Date
DE1285022B true DE1285022B (de) 1968-12-12

Family

ID=20302587

Family Applications (1)

Application Number Title Priority Date Filing Date
DET32776A Pending DE1285022B (de) 1965-12-22 1966-12-16 Schaltungsanordnung zur Veraenderung der Resonanzfrequenz eines Schwingkreises

Country Status (6)

Country Link
US (1) US3386051A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1285022B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK114564B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1165928A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO115112B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE306962B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127983A (en) * 1966-02-04 1968-09-25 Gen Electric Co Ltd Improvements in or relating to electric switching circuits
GB1194949A (en) * 1968-01-31 1970-06-17 Citizen Watch Co Ltd Method of Temperature Compensating Oscillation Circuit for Timepiece and Device Therefor
US3875526A (en) * 1973-08-02 1975-04-01 Gte Automatic Electric Lab Inc Two-frequency alternate tone generator
US4682344A (en) * 1985-07-30 1987-07-21 Amp Incorporated Rf fsk transmitter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073042B (de) * 1958-09-27 1960-01-14 Standard Elektrik Lorenz Aktiengesellschaft, Stuttgart-Zuffenhausen Frequenzregelungsanordnung nach dem Prinzip der Stromzuflußwinkelsteuerung, vorzugsweise für den m- und dm- Bereich von Fernseh-Empfängern

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DK114564B (da) 1969-07-14
NO115112B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-07-29
SE306962B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-12-16
US3386051A (en) 1968-05-28
GB1165928A (en) 1969-10-01

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