CV2271 Dekatron counter
 |
The valve measures 92x28mm overall and has an octal base |
The EVS data states this valve was replaced by CV6044
| Rectangular pulse drive |
Sine wave drive |
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| Maximum striking voltage | 350V | ||
| Nominal maintaining voltage at 0.3mA | 191V | ||
| Max anode current | 550µA | ||
| Min anode current | 250µA | ||
| Max speed (digits/sec) | 4000 | 2000 | |
| Max input signal peak to peak | 140V | 171V | |
| Recommended operation | |||
| Supply voltage | 400V | 400V | |
| Anode resistor | 680k ohm | 680k ohm | |
| Signal amplitude, both guides | 120V | 55V RMS | |
| Pulse duration, both guides | 80µs | ||
| Signal delay, 2nd guide | 80µs | ||
| Signal delay, 2nd guide | 45 degrees | ||
| Bias voltage, both guides | 60V | 9V | |
| Bias voltage K0 | -20V | -20V | |
| Output cathode load | 150k ohm | 150k ohm | |
| Pin | Function |
| 1 | K1-9 |
| 3 | 1st guides |
| 4 | Anode |
| 5 | 2nd guides |
| 7 | K0 |
