SE320109B - - Google Patents

Info

Publication number
SE320109B
SE320109B SE3724/62A SE372462A SE320109B SE 320109 B SE320109 B SE 320109B SE 3724/62 A SE3724/62 A SE 3724/62A SE 372462 A SE372462 A SE 372462A SE 320109 B SE320109 B SE 320109B
Authority
SE
Sweden
Prior art keywords
capacitor
voltage
frequency
controllable
tuning
Prior art date
Application number
SE3724/62A
Other languages
English (en)
Inventor
P Schucht
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 SE320109B publication Critical patent/SE320109B/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
    • H03J7/10—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/10—Circuit arrangements for fine tuning, e.g. bandspreading

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
SE3724/62A 1961-04-05 1962-04-03 SE320109B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES73320A DE1171029B (de) 1961-04-05 1961-04-05 Schaltung zur Frequenznachregelung von durchstimmbaren Oszillatoren

Publications (1)

Publication Number Publication Date
SE320109B true SE320109B (xx) 1970-02-02

Family

ID=7503824

Family Applications (1)

Application Number Title Priority Date Filing Date
SE3724/62A SE320109B (xx) 1961-04-05 1962-04-03

Country Status (4)

Country Link
DE (1) DE1171029B (xx)
GB (1) GB992645A (xx)
NL (1) NL276779A (xx)
SE (1) SE320109B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS622813Y2 (xx) * 1979-07-20 1987-01-22
US4482871A (en) * 1982-06-28 1984-11-13 Motorola Inc. Wideband VCO including variable capacitive output coupling varactor for constant power output
DE3447118A1 (de) * 1984-12-22 1986-07-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Pll-frequenzmodulator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB735506A (en) * 1950-12-28 1955-08-24 British Telecomm Res Ltd Improvements in and relating to variable impedance devices
DE911742C (de) * 1952-02-17 1954-05-20 Telefunken Gmbh Schaltungsanordnung zur AEnderung der Frequenz eines Oszillators
US2906968A (en) * 1957-12-27 1959-09-29 Montgomery George Franklin Transistor-controlled reactance modulator

Also Published As

Publication number Publication date
NL276779A (xx)
GB992645A (en) 1965-05-19
DE1171029B (de) 1964-05-27

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