Friday, August 23, 2013

Lab 2.2 - Differentiator 

This lab is designed to teach me about an RC Differentiator Circuit.

This circuit creates a pulse on a changing waveform (both rising AND falling). My calculus was rusty, but I found the animated graph on this derivatives page to be very helpful.

If you load down the output this circuit will start to fail, but external buffering can address that (later in text).



100 KHZ Square wave
Blue is Input, Yellow is output

Trying to view pulses on my analog scope
 when I increased the volts per div the line got fuzzy :(
Settings on analog scope, alt seemed to work better then chop

My lab notes, note: when I first tried this experiment in 2011 with my USB scope I couldn't see anything at all


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