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GROUNDED GRID TRIODE

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ClassUHF Triode
BaseDisc-seal
Filament6.3V @ 0.4mA

Construction

Primary TypeTriode
EnvelopeGlass with metal disc
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage350 V
Plate Dissipation3 W

Audio Performance

Key Features
  • Designed for UHF operation at 600 Mc/s
  • Low feedback capacity
  • Concentric thimble for heater and cathode
  • Indirectly heated oxide-coated cathode
  • Cathode strapped internally to one heater lead

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Grounded Grid UHF Amplifier250V15000-100-

Application Notes

The valve is designed to mount by means of the grid disc between coaxial lines. Used in a pre-amplifier, it improves signal to noise ratio performance of UHF receivers. Grid is typically auto-biased through 150 ohms.

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