Tube-number record
TT-25
0 archive entries
TT-25 is a tube type in the TubeDatabase archive (class: Gas and Special Tubes). Recorded specifications: brand Bendix, construction Other / special, base Metal caps, and socket Special / none. The archive does not yet hold a photographed example of this type.
BrandBendix
ClassGas and Special Tubes
BaseSpecial / none
Construction
Primary TypeOther / special
EnvelopeGlass
Base MaterialMetal caps
SectionsSingle
Filament / Heater
MaterialNickel
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Bridge Circuit (2 units at 90 degrees) | — | — | — | — | — |
Application Notes
Two units mounted at 90 degrees form a bridge circuit to determine deviations from vertical. Sensitivity can be increased by reducing angle between tubes to 60 degrees. Magnetic shielding may be required.
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