Tube-number record
TROCHOTRON
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BrandEricsson
Class10-way Beam Switching Tube
BaseCRT / special base
Filament6.3 V @ 0.5 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections10-way
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage300 V
Grid 2 Voltage125 V
H-C Voltage150 V
Audio Performance
Key Features
- 10-way Beam Switching
- Counting up to 1 Mc/S
- High speed decade counter
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 1 Mc/S Counting | 108 V | — | — | — | 10 mA |
Application Notes
Each spade must be connected to a separate load resistor with not more than 4 inches (10 mm) of connecting lead. The spade resistance is the total resistance, including resistors for beam formation etc.
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