NPN is used for simple video amps... so 2n3904 or equivalent. -Pete Rittwage
> Which type of transistor did you use for the mod? I don't see that in the > writeup.. though I could well be missing it. > > Linked article says only "simple NPN" > > On Sat, Jan 2, 2016 at 5:18 PM, Terry Stewart <[email protected]> > wrote: > >> Going through and testing the collection over this Xmas period also >> prods >> me into doing mods I've procrastinated about. A very simple mod but >> here >> is a write up for anyone who is interested... >> >> >> http://www.classic-computers.org.nz/blog/2016-01-03-composite-video-for-zx81.htm >> >> Terry (Tez) >> >
