Tube-number record
8578
0 archive entries
8578 is a tube type in the TubeDatabase archive (class: TR Tube). Recorded specifications: brand Metcom, construction Other / special, and socket Special / none. The archive does not yet hold a photographed example of this type.
BrandMetcom
ClassTR Tube
BaseSpecial / none
Construction
Primary TypeOther / special
EnvelopeMetal/Glass Waveguide
SectionsDual
Filament / Heater
Absolute Maximum Ratings
Grid 1 Voltage-700 V
Cathode Current0.2 mA
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Ignitor Operation | — | — | — | — | 0.2 mA |
Application Notes
The 8578 is a dual broad band TR tube designed to effectively decouple the receiver from a common transmitting and receiving antenna during a period of transmission.
Datasheets
Datasheet: 8578.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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