17-09-2020, 03:09 PM
(17-09-2020, 02:36 PM)Geordie McBoyne Wrote: Of course the line output transformers were designed to operate at 15,625Hz whereas in the Philips EHT unit it is 1,000Hz. I believe the method of operation is that the transformer "rings" by the application of the pulse present at the anode of the EL38 and the duration of the oscillation is chosen so that it is sufficiently diminished before the next pulse comes along.
Geordie McBoyne.
That's exactly the case David.
A 1:100 probe near the EL38 anode:
Jac







