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Can't say that I ever used youtube. My grandkids knew what it was and got me going. There is a LOT of stuff there. I looked at the first tutorial on LTSpice made a voltage divider. Need some time to work through all this stuff. Pretty neat! Thanks Mike
Again, thanks for the reply's. I was unaware of the difference between op amp and a comparator. 1972 doesn't seem that long ago to me, I was 30 at that time. Stopped at the library yesterday and found a book call "The Versatile Op Amp" by Michael Kahn. I see that there is a lot to learn. This...
Dana, thanks for the reply. It may take a little for me to get may head around this. Are you saying that since there is positive feedback, the op amp exhibits hysteresis? So when the output is positive, divider voltage greater than capacitor voltage and the capacitor voltage rising, the output...
I'm an old man, attempting to learn something new. Recently I read a little about Op Amps and wanted to try my hand at them. I purchased a breadboard, some parts, a Pico Scope and a power supply. My first circuit is a multi vibrator using a LM324. See attached diagram. The wave froms are of the...
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