RK 4 MM 1
0 Tubes in archive
BrandZeiss Ikon
ClassCathode Ray Tube
BaseSpecial / none
Filament4V @ 600mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesOxide cathode, indirectly heated
Absolute Maximum Ratings
Plate Voltage2000 V
Grid 1 Voltage-85 V
Cathode Current0.2 mA
Audio Performance
Key Features
- Double electromagnetic deflection
- Electromagnetic concentration
- Long persistence screen
- Blue excitation, Yellow-Green afterglow
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Deflection/Concentration | 2000V | - | - | - | 0.2mA |
Application Notes
High vacuum cathode ray tube for measurement purposes. The outer coating must be connected to the anode via a 1 MOhm protective resistor.
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