Tube-number record
11D18 GH
0 archive entries
ClassOscilloscope Tube
BaseCRT base (B12 family)
Filament6.3 V @ 240 mA
Construction
Primary TypeDisplay / 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
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 16000 V | — | — | — | 0.01 mA |
Application Notes
Designed for compact oscilloscopes with bandwidth up to approx. 75 MHz and data display units.
0 results