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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

COAXIAL PHOTOTUBE

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BrandITT Laboratories
ClassPhototube
BaseCoaxial

Construction

Primary TypeDiode
EnvelopeCoaxial
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage10000 V

Audio Performance

Key Features
  • High current
  • Linear output
  • S-4 cathode
  • Coaxial geometry
  • 50-ohm matched impedance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Photodiode Operation6000 V—50—0.00001 mA

Application Notes

Used for detection and measurement of nuclear radiation in conjunction with scintillating material. Recording equipment normally consists of a traveling-wave oscilloscope such as the EG&G 2236.

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