CK5884
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BrandRaytheon
ClassSubminiature Electrometer Tube
BasePinch Press
Construction
Primary TypeElectrometer
EnvelopeT-2X3 Glass
Base MaterialGlass
SectionsDual
Filament / Heater
Absolute Maximum Ratings
Plate Voltage25 V
Cathode Current0.5 mA
Audio Performance
Key Features
- Dual control grids
- Dual anodes
- Space-charge grid
- Extremely low current measurement
- T-2X3 Glass envelope
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 10V | 23 | - | 1.05 | 0.1mA |
Application Notes
For operation at low current levels, top grid lead should be used as input grid. Envelope should be cleaned with methyl alcohol and allowed to dry thoroughly. For best stability the tube should be operated in an electrostatic shield and a dark enclosure.
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