NL276779A - - Google Patents
Info
- Publication number
- NL276779A NL276779A NL276779DA NL276779A NL 276779 A NL276779 A NL 276779A NL 276779D A NL276779D A NL 276779DA NL 276779 A NL276779 A NL 276779A
- Authority
- NL
- Netherlands
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
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- 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
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- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES73320A DE1171029B (en) | 1961-04-05 | 1961-04-05 | Circuit for frequency readjustment of tunable oscillators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL276779A true NL276779A (en) |
Family
ID=7503824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL276779D NL276779A (en) | 1961-04-05 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1171029B (en) |
| GB (1) | GB992645A (en) |
| NL (1) | NL276779A (en) |
| SE (1) | SE320109B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS622813Y2 (en) * | 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 (en) * | 1984-12-22 | 1986-07-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | PLL frequency modulator |
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 (en) * | 1952-02-17 | 1954-05-20 | Telefunken Gmbh | Circuit arrangement for changing the frequency of an oscillator |
| 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/en 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 |
|---|---|
| DE1171029B (en) | 1964-05-27 |
| SE320109B (en) | 1970-02-02 |
| GB992645A (en) | 1965-05-19 |