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VR43 / 10E/10541 vari-mu pentagrid frequency changer

Size This valve measures 126x44mm overall and has a B7 base.

 

Filament voltage 2V
Filament current 100mA
Max anode voltage 150V
Max screen voltage 80V
Max oscillator anode voltage 150V
Conversion conductance * 0.45mA/V
Average space current * 2mA
Heterodyne voltage 5V
Max operating frequency 18.5MHz

*: At Va=120, Vg2=40, Vg1=0

Pin Function
1 Oscillator anode (G2)
2 Oscillator grid (G1)
3 Screen grids (G3, G5)
4 Filament -ve
5 Filament +ve
6 Metallising
7 Anode
TC Control grid (G4)
VR43

This file was last modified 15:53:33, Tuesday September 02, 2014