Tube-number record
1F34
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BrandTESLA
ClassRemote-cutoff RF pentode
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
Materialoxide-coated
Absolute Maximum Ratings
Plate Voltage90 V
Plate Dissipation0.35 W
Grid 2 Voltage67.5 V
Cathode Current5.5 mA
Audio Performance
Key Features
- Directly heated cathode
- Remote-cutoff characteristic
- Battery powered operation
- RF/IF amplification
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF/IF amplifier 1 | 45 V | 650 | 350000 | — | 1.7 mA |
| RF/IF amplifier 2 | 67.5 V | 750 | 250000 | — | 3.4 mA |
| RF/IF amplifier 3 | 90 V | 700 | 800000 | — | 1.8 mA |
Datasheets
Datasheet: 1F34.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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