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
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)
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 (de) | 1970-02-02 |
Family
ID=7503824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE3724/62A SE320109B (de) | 1961-04-05 | 1962-04-03 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1171029B (de) |
GB (1) | GB992645A (de) |
NL (1) | NL276779A (de) |
SE (1) | SE320109B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS622813Y2 (de) * | 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)
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 |
-
0
- NL NL276779D patent/NL276779A/xx unknown
-
1961
- 1961-04-05 DE DES73320A patent/DE1171029B/de active Pending
-
1962
- 1962-04-03 SE SE3724/62A patent/SE320109B/xx unknown
- 1962-04-05 GB GB1310062A patent/GB992645A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL276779A (de) | |
GB992645A (en) | 1965-05-19 |
DE1171029B (de) | 1964-05-27 |
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