Quote:
Originally Posted by Kevin Kuehn
I don't think I've ever seen a textbook or manufacture example of a diode in conjunction with the video going to the cathode. The diode orientation is confusing because early on there was a double standard depending on function of the circuit. I always assumed that came about because of conventional vs electron current flow.
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I agree. Why I suggest it can't work or at least the concept is faulty is because there is no path for the CRT beam current. The diode is in fact reversed to the flow of beam current. This may explain why the clamping diode was only used for grid driven CRTs.