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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

D14-302GH/93

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ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3 V @ 240 mA

Construction

Primary Type
Display / CRT
EnvelopeRectangular flat-faced
Base MaterialGlass
SectionsSingle-beam

Filament / Heater

Heater NotesIndirect heating, parallel supply, quick-heating cathode

Absolute Maximum Ratings

Plate Voltage18000 V
Grid 2 Voltage2500 V
Grid 1 Voltage-200 V
H-C Voltage125 V

Audio Performance

Key Features
  • Domed mesh
  • Metal-backed screen
  • Internal graticule
  • Side connections to x and y plates
  • Quick-heating cathode
  • 150 MHz bandwidth

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard Oscilloscope Operation16500 V———0.01 mA

Application Notes

Intended for use in compact oscilloscopes. Low impedance deflection plate drive is desirable if full deflection capabilities are used. Features a rotation coil for trace alignment.

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