Re: 7A26 edge distortion

Roger Evans


The picture suggests that the signal might be switching from the full bandwidth to the 20MHz version at around the 40% level. Have you looked at the biassing of Q860, Q880 and also for leakage in Q860, Q880, CR860 CR880? It seems to me that the problem must be related to the semiconductors since a purely linear circuit should affect positive and negative edges equally.



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