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5593 Phasitron

Size 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

5593

 

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

Inside view

Base view

This file was last modified 14:55:41, Tuesday September 02, 2014