CH202347A - Method and device for changing the tuning of electrical oscillating circuits as a function of a DC voltage. - Google Patents
Method and device for changing the tuning of electrical oscillating circuits as a function of a DC voltage.Info
- Publication number
- CH202347A CH202347A CH202347DA CH202347A CH 202347 A CH202347 A CH 202347A CH 202347D A CH202347D A CH 202347DA CH 202347 A CH202347 A CH 202347A
- Authority
- CH
- Switzerland
- Prior art keywords
- tuning
- changing
- voltage
- function
- oscillating circuits
- Prior art date
Links
Classifications
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH501238X | 1937-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH202347A true CH202347A (en) | 1939-01-15 |
Family
ID=4516936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH202347D CH202347A (en) | 1937-05-01 | 1937-05-01 | Method and device for changing the tuning of electrical oscillating circuits as a function of a DC voltage. |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH202347A (en) |
GB (1) | GB501238A (en) |
NL (1) | NL52736C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE906819C (en) * | 1951-01-03 | 1954-03-18 | Heinz Koeberlein | Device for tuning the oscillator circuit of a superposition receiver for high frequency signals |
DE925179C (en) * | 1952-10-05 | 1955-03-14 | Artur Schomandl K G | Modulator arrangement |
DE1033282B (en) * | 1953-11-27 | 1958-07-03 | Lorenz C Ag | Tuning arrangement with voltage-controlled reactive resistors arranged in oscillation circuits |
DE977264C (en) * | 1953-03-25 | 1965-08-12 | Siemens Ag | Voltage-dependent semiconductor capacitor |
-
0
- NL NL52736D patent/NL52736C/xx active
-
1937
- 1937-05-01 CH CH202347D patent/CH202347A/en unknown
-
1938
- 1938-04-30 GB GB12967/38A patent/GB501238A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE906819C (en) * | 1951-01-03 | 1954-03-18 | Heinz Koeberlein | Device for tuning the oscillator circuit of a superposition receiver for high frequency signals |
DE925179C (en) * | 1952-10-05 | 1955-03-14 | Artur Schomandl K G | Modulator arrangement |
DE977264C (en) * | 1953-03-25 | 1965-08-12 | Siemens Ag | Voltage-dependent semiconductor capacitor |
DE1033282B (en) * | 1953-11-27 | 1958-07-03 | Lorenz C Ag | Tuning arrangement with voltage-controlled reactive resistors arranged in oscillation circuits |
Also Published As
Publication number | Publication date |
---|---|
GB501238A (en) | 1939-02-23 |
NL52736C (en) |
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