Quote:
Originally Posted by bandersen
I remembered seeing an article at the ETF on a retrace mod and dug up this page. |
Thread jack: That's a pretty simple mod, I'd like to use it on my Philco which shows retrace lines at high intensity. Problem is on the Philco, the pic tube cathode is used for brightness and the grid is driven by the video amp tube. How could I change this simple circuit to work with the grid vice the cathode, if that's even possibe? I assume I'd need a phase inverter, and a coupling cap at the very least.