Tube-number record
DC90
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DC90 is a tube type in the TubeDatabase archive (class: VHF Triode). Recorded specifications: brand Philips, construction Triode, socket Miniature 7-pin (B7G), maximum plate voltage 90 V, and maximum plate dissipation 0.6 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassVHF Triode
BaseMiniature 7-pin (B7G)
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
MaterialDirect
Absolute Maximum Ratings
Plate Voltage90 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| VHF Characteristic 1 | 40 V | 900 | — | 11.1 | 1.5 mA |
| VHF Characteristic 2 | 67.5 V | 1200 | — | 11.6 | 4.2 mA |
| VHF Characteristic 3 | 90 V | 1100 | — | 11.5 | 3 mA |
Application Notes
Used as self-oscillating frequency changer in FM battery receivers.
Datasheets
Datasheet: DC90.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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