Tube-number record
UHF TRIODE
0 archive entries
UHF TRIODE is a tube type in the TubeDatabase archive (class: Receiving Tube). Recorded specifications: brand Sylvania, construction Triode, socket Miniature 7-pin (B7G), maximum plate voltage 300 V, and maximum plate dissipation 4 W. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassReceiving Tube
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 225 mA
Construction
Primary TypeTriode
EnvelopeT-5 1/2
SectionsSingle
Filament / Heater
Heater NotesMaximum Heater-Cathode Voltage: 200V Total, 100V Heater Positive
Absolute Maximum Ratings
Plate Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 200 V | 10000 | — | — | 13 mA |
| Mixer Service | 125 V | 2900 | — | — | 7 mA |
Application Notes
Designed for use as a grounded grid amplifier or mixer in UHF television applications.
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