Virtual Valve Museum

Virtual Valve Museum

HomeFull List

This is an archive website. It will not receive any updates, additions or corrections.

CV82 / 3A/147J disc seal triode

Size This valve measures 65x28mm overall (glass) and 50mm across the disc.


This is a UHF triode designed for grounded grid use.

Heater voltage 4V
Heater current 700mA
Max anode voltage 350V
Max anode dissipation 6W
Amplification factor * 34
Mutual conductance * 6mA/V
Max frequency 750MHz
Efficiency as an oscillator at 600MHz 20%

*: At Va=250, Vg=-3


See also: CV53