Sensibly equivalent¶ to:
The CV398 is the same as the commercial P535/1E tetrode pulse modulator, and this exhibit carries both identifications. The commercial exhibit has the STC data-sheet and here we have the CV specification on the PDF link.
The coating to enhance heat radiation from the anode is sprayed on.
The wide glass tube envelope is 64 mm in diameter, and excluding the B4A base pins is 136 mm tall.
Absolute Maximum Operating Conditions¶
Updated November 27, 2013. shape:wide.glass.tube construction:all.glass type:tetrode age:1950.1960 base:b4a pins:4 pin:1.h pin:2.g2 pin:3.g1 pin:4.h.k pin:tc.a