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CV9850 quick heating double tetrode

Size
This valve measures 77x19mm overall and has a B9A base

Filament voltage1.6V
Filament current2.5A
Max anode voltage300V
Max anode dissipation5W per anode
Max frequency200MHz
Mutual conductance *3.5mA/V
Inner amplification factor *7.5
Max bulb temperature225°C
Max pins temperature120°C
Capacitances
Ca,g1 (each section)100 mpF
Cout (each section)3.2pF
Cin (each section)8.5pF
Ca",g'100mpF
Ca',g"100mpF
Cg1',g1"2.4pF
Ca',a"75mpF

At Va=200, Vg2=200, Ia=30mA
PinFunction
1Control grid "
2Filament + shield
3Control grid '
4Filament + shield
5Filament
6Anode "
7Screen grids
8Anode '
9Filament + shield

CV9850

CV9850 donated by Bill Wagner

This file was last modified16:54:35, Sunday December 28, 2014