Tube-number record
D14-121GH
0 archive entries
ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
Envelope14 cm diagonal, rectangular flat-faced
Base Materialglass
SectionsSingle gun
Filament / Heater
Heater NotesIndirect by AC or DC; parallel supply
Absolute Maximum Ratings
Plate Voltage11000 V
Grid 2 Voltage2200 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- Metal backed phosphor screen
- Symmetrical x and y plates
- Side connections to the x and y plates
- Intended for transistorized oscilloscopes up to 50 MHz
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 10000 V | — | — | — | 0.01 mA |
Application Notes
The tube should not be supported by the base alone. A low impedance deflection plate drive is desirable if full deflection is used.
0 results