GB403437A - Improvements in or relating to short wave oscillation generators - Google Patents
Improvements in or relating to short wave oscillation generatorsInfo
- Publication number
- GB403437A GB403437A GB18422/33A GB1842233A GB403437A GB 403437 A GB403437 A GB 403437A GB 18422/33 A GB18422/33 A GB 18422/33A GB 1842233 A GB1842233 A GB 1842233A GB 403437 A GB403437 A GB 403437A
- Authority
- GB
- United Kingdom
- Prior art keywords
- capacity
- anode
- screen
- valve
- grid
- 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.)
- Expired
Links
Classifications
-
- 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
- H03B9/00—Generation of oscillations using transit-time effects
- H03B9/01—Generation of oscillations using transit-time effects using discharge tubes
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
403,437. Valve generating circuits. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. June 28, 1933, No. 18422. Convention date, June 28, 1932. [Classes 39 (i) and 40 (v).] A short-wave oscillator employs a screengrid valve V, the oscillatory circuit being so connected across the anode 4 and the control grid 5 that the capacity between these electrodes is the sole frequency-determining capacity in the circuit. Supply voltages are fed through chokes 2, 3 on either side of a blocking condenser 1. The Specification indicates that the screen 6 should be so placed that the ratio of screen-anode capacity to screencontrol grid capacity is the same as the ratio of grid alternating-voltage to anode alternating- voltage. The screen then does not modify the high-frequency voltages in the valve, and does not affect the anode-control grid capacity. Formulµ are given for the spacing of the grids and anodes for valves with cylindrical or with plane electrodes.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE403437X | 1932-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB403437A true GB403437A (en) | 1933-12-21 |
Family
ID=6417259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18422/33A Expired GB403437A (en) | 1932-06-28 | 1933-06-28 | Improvements in or relating to short wave oscillation generators |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2042864A (en) |
| GB (1) | GB403437A (en) |
-
1933
- 1933-06-14 US US675680A patent/US2042864A/en not_active Expired - Lifetime
- 1933-06-28 GB GB18422/33A patent/GB403437A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2042864A (en) | 1936-06-02 |
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