invitro-FETs

[CGS2510.SEP.STUDENT.UCA at CUB.UCA.EDU]

> >3) you can drive the screen grid with a CV and CONTROL THE TUBE'S GAIN.
> 
> Does this mean one could build a VCA this way? Which gain range would be
> obtainable?

Surely you can drive the grid negative enought to suppress any output 
and then jack up the gain in a second stage if you really need high 
gain.  I would suspect that the responce is absolutely nonlinear and 
you should calibrate it if you want some particular gain for some 
particular CV.