5593 Phasitron
 |
This valve measures 110x42mm overall and has an 11 pin base. |
This valve is based on the 2H21, the original phasitron.
| Heater voltage |
6.3V |
| Heater current |
300mA |
| Max anode 1 voltage |
300V |
| Max anode 2 voltage |
300V |
| Max deflector 1, 2 and 3 voltage |
100V |
| Max deflector 4 voltage |
100V |
| Max grid 1 voltage |
25V |
| Max grid 2 voltage |
150V |
| Max cathode current |
6mA |
| Capacitances |
| Deflectors to anode 1 |
0.08pF |
| Anode 1 to Anode 2 |
4pF |
| Max frequency |
250kHz |
| Typical operation |
| Anode 1 voltage |
200V |
| Anode 2 voltage |
250V |
| Deflector 1, 2 and 3 voltage |
75V |
| Deflector 4 voltage |
60V |
| Grid 1 voltage |
10V |
| Grid 2 voltage |
25V |
| Cathode current |
4mA |
| RF drive voltage, phase to neutral |
35V RMS |
| Audio modulating power for 180 degree phase angle |
50mW |
| RF output voltage |
4V RMS |
| Distortion at 180 degree phase angle |
1.4% |
This data is for the 2H21 with the exception of the maximum frequency.
This data may be different from the spec for the 5593.
For further information see: the
Phasitron pages |
| Pin |
Function |
| 1 |
i/c |
| 2 |
Deflector 4 |
| 3 |
Deflector 1 |
| 4 |
Deflector 2 |
| 5 |
Deflector 3 |
| 6 |
Grid 1 |
| 7 |
Grid 2 |
| 8 |
Anode 1 |
| 9 |
Anode 2 |
| 10 |
Heater |
| 11 |
Heater + cathode |
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