Till Eulenspiegel wrote:In the original circuit the boost HT might not have been as high as it is now, it is 370 volts. It's likely the HT for the anode of the ECL80 should be 250 volts, but no more.
Derren wrote: Are you satisfied that the picture tube is OK, bearing in mind the EHT has probably not been as high as this previously so I suppose you could say it's never been fully tested? It gave a good picture with the original Dynatron lopt and filled the screen but it was never very bright.
Well that's the cool thing about this thread, lots of useful info, I never knew about that trick.Till Eulenspiegel wrote:You want picture width, how about this? I applied that old trick of connecting a high voltage capacitor between the cathode of the boost diode to chassis.
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