Tube-number record
1B55
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BrandSylvania
ClassTR Switching Tube
BaseWaveguide
Construction
Primary TypeIntegral cavity
EnvelopeMetal/Ceramic
Base MaterialBrass
Sections1 ignitor
Filament / Heater
Absolute Maximum Ratings
Grid 1 Voltage-700 V
Audio Performance
Key Features
- Broad-band TR switching
- Integral cavity type
- Decouples receiver during transmission
- Frequency range 3360 to 3740 Mc
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| TR Switching | 350 V | — | — | — | 0.2 mA |
Application Notes
Designed to decouple the receiver from a common transmitting and receiving antenna during a transmitting period. Operational band 3,360 to 3,740 megacycles.
Datasheets
Datasheet: 1B55.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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