Tube-number record
CK6922
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CK6922 is a tube type in the TubeDatabase archive (class: Miniature Double Triode). Recorded specifications: brand Raytheon, construction Dual triode, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 1.65 W. The archive does not yet hold a photographed example of this type.
BrandRaytheon
ClassMiniature Double Triode
BaseNoval (B9A)
Filament6.3 V @ 300 mA
Construction
Primary TypeDual triode
EnvelopeT6-1/2 Glass
Sections2
Filament / Heater
Heater NotesHeater-cathode type
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation1.65 W
Cathode Current22 mA
H-C Voltage135 V
Audio Performance
Key Features
- Frame grid construction
- High transconductance
- Low noise broad band RF amplifier
- Cascode circuit design
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cascode Amplifier | 100 V | 12500 | — | 33 | 15.2 mA |
Application Notes
Reliability will be seriously impaired if maximum bulb temperature is exceeded. Life and reliability of performance are closely related to the degree that regulation of the heater voltage is maintained at its center rated value.
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