Tube-number record
R.F. POWER AMPLIFIER, OSCILLATOR, CLASS B MODULATOR
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BrandAmperex
ClassTriode
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation250 W
Grid 1 Voltage-500 V
Cathode Current275 mA
Audio Performance
Power Output750 W
Key Features
- R.F. Power Amplifier
- Oscillator
- Class B Modulator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| A.F. Power Amplifier and Modulator—Class B (Two Tubes) | 3000 V | 4000 | 5000 | 23 | 370 mA |
| R.F. Power Amplifier—Class B—Telephony | 2500 V | — | — | 23 | 150 mA |
| Plate Modulated R.F. Power Amplifier—Class C—Telephony | 2000 V | — | — | 23 |
Application Notes
Carrier conditions for use with a maximum modulation factor of 1.0
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