Tube-number record
7821
0 archive entries
7821 is a tube type in the TubeDatabase archive (class: TR Tube). Recorded specifications: brand Metcom, Inc., construction Broad band TR tube, socket Special / none, and maximum plate dissipation 200000 W. The archive does not yet hold a photographed example of this type.
BrandMetcom, Inc.
ClassTR Tube
BaseSpecial / none
Construction
Primary TypeBroad band TR tube
EnvelopeMetal
SectionsSeparate cavity
Filament / Heater
Absolute Maximum Ratings
Plate Dissipation200000 W
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation @ 425 Mc/s | — | — | — | — | — |
Application Notes
Designed to effectively decouple the receiver from a common transmitting and receiving antenna during transmission.
Datasheets
Datasheet: 7821.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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