There a a couple of reasons. Here is one.Hi Ericgibbs,
yes, the output could be connected directly to a single Mosfet or to a CMOS circuit.
Could you explain to me why it is not a good idea to remove R1?
Having a high threshold voltage helps but you still want to reduce the unwanted signal level. If the transient signal can be modeled as a current source then you can calculate the potential with X resistance.This is interesting.
But how is it possible to establish how much the potential could accumulate to activate the next circuit?What if the next mosfet has a fairly high threshold voltage?
Excuse the silly questions, but I don't have much experience with these things.
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