D14-121GH
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ClassInstrument Cathode-Ray Tube
Base14-pin all glass
Filament6.3V @ 300mA
Construction
Primary TypeCRT
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 | 10000V | - | - | - | 0.01mA |
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.
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