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11D18 GH

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ClassOscilloscope Tube
BaseB12-246
Filament6.3V @ 240mA

Construction

Primary TypeOscilloscope CRT
EnvelopeGlass, rectangular
Sections1

Filament / Heater

MaterialOxide
Warm-up Time5s
Heater NotesIndirectly heated, AC or DC, parallel supply

Absolute Maximum Ratings

Plate Voltage18000 V
Grid 2 Voltage3300 V
Grid 1 Voltage200 V
H-C Voltage125 V

Audio Performance

Key Features
  • Single beam
  • Dual acceleration
  • Curved mesh electrode
  • High deflection sensitivity
  • Fast heating cathode
  • Internal red graticule
  • Permanent magnetic lens system

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard16000V---0.01mA

Application Notes

Designed for compact oscilloscopes with bandwidth up to approx. 75 MHz and data display units.

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