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CV72 output tetrode

Size This valve measures 135x50mm overall and has a 7-pin base

 

Heater voltage 6.3V
Heater current 1.65A
Max anode voltage 1.5kV
Max peak anode voltage 3kV
Max screen voltage 700V
Max anode dissipation 10W
Max screen dissipation 2.5W
Max grid negative bias 700V
Max grid to screen voltage 1.2kV
Max peak cathode current (pulse of 10µs duration and 400:1 minimum off-on ratio) 3.5A
Mutual conductance (Va=Vg2=200V, Ia=40mA) 8.7mA/V
Capacitances
Ca - all 6.7pF
Cg - all 23.5pF
Cag 0.8pF

 

Pin Function
1 n/c
2 Control grid
3 Screen grid
4 Heater
5 Heater
6 Cathode and beam forming plates
7 n/c
TC Anode

 

internal detailinternal detail

CV72
top quarter bottom quarter

This file was last modified 15:57:33, Tuesday September 02, 2014