Tube-number record
CW OSCILLATOR
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CW OSCILLATOR is a tube type in the TubeDatabase archive (class: UHF Triode). Recorded specifications: brand Sylvania, construction Triode, socket Planar / disc seal, maximum plate voltage 350 V, and maximum plate dissipation 5 W. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassUHF Triode
BasePlanar / disc seal
Filament6.3 V @ 405 mA
Construction
Primary TypeTriode
EnvelopeMetal-Ceramic
SectionsSingle
Filament / Heater
Heater NotesHeater Voltage (AC or DC)
Absolute Maximum Ratings
Plate Voltage350 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| UHF OSCILLATOR CW | 200 V | — | — | — | 25 mA |
| Test Conditions | 180 V | 5650 | — | 23 | 12 mA |
Application Notes
The 6503 is designed primarily for use as a cw oscillator at frequencies up to 3300 mc. It functions as an extremely stable prime signal source or local oscillator. The Amerac 192A type cavity is recommended.
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