> when i read about 50MHz being the fundamental impossible to surpass limit Where did you read that? As a working EE through the 80s and until today, I never h

> when i read about 50MHz being the fundamental impossible to surpass limit Where did you read that? As a working EE through the 80s and until today, I never heard that claimed. Maybe someone, somewhere wrote that, but it would have been an extremely fringe opinion. Even at the time I think most people would have received that opinion as a crock of shit.