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CAT 17

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BrandMarconi
ClassHF Amplifier Triode

Construction

Primary TypeTriode
EnvelopeWater-cooled anode
SectionsSingle

Filament / Heater

MaterialTungsten

Absolute Maximum Ratings

Plate Voltage20000 V
Plate Dissipation150000 W

Audio Performance

Key Features
  • Water-cooled anode transmitting triode
  • Tungsten filament
  • High frequency amplifier up to 25 Mc/s
  • Water-cooled filament leads

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
HF Power Amplifier Class C Telegraphy (Unmodulated)20000V540007404018800mA
HF Power Amplifier Class B Telephony (Carrier)20000V---10600mA

Application Notes

The valve must be completely supported by its water jacket, which should be adjusted so that the axis is vertical. All cooling supplies must be started before applying voltages and continue for 2 minutes after removal.

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