At 7:50 PM -0500 11/28/99, media at mail1.nai.net wrote: > >The CV in goes to the grid of a triode (1/2 a 12AT7) whose cathode is >connected to one of the thyratron grids by a 10K resistor. The cathode is >also connected to 150VDC by a 120K resistor. Any idea what's going on >there?? I meant to type -150VDC not 150VDC.