ANALOG LAB WEEK 9

1) For this circuit…

Screen Shot 2020-03-27 at 6.49.41 PM.png

…if the sine wave you’re putting into the diode clipping circuit is loud enough to distort, which of these will the output signal look like?

a)

Screen Shot 2020-03-27 at 6.42.00 PM.png

2) For this circuit…

Screen Shot 2020-03-27 at 6.49.10 PM.png

…if the sine wave you’re putting into the diode clipping circuit is loud enough to distort, which of these will the output signal look like?

b)

Screen Shot 2020-03-27 at 6.41.15 PM.png

3) Assume the speaker symbol is any pair of headphones or a small speaker, and you test both of these circuits with the same headphones or speaker. Is it safe to assume that the output of these two circuits will sound the same and be the same volume?

Circuit #1:

Screen Shot 2020-03-27 at 7.00.03 PM.png

Circuit #2:

Screen Shot 2020-03-27 at 7.00.36 PM.png

No, the first circuit would have the resistance of the speaker and the diodes acting in parallel. The buffer avoids this complex resistance.

4) Below is the schematic for the circuit I made in the video. I’d refer the potentiometer at the end, right before the output circuit, as  the “crossfader”.  With this circuit, if you turn the crossfader all the way to one side you’ll hear completely clean signal.  If you turn the crossfader all the way to the other side you’ll hear completely distorted signal.

5) If you turn the potentiometer to its halfway point, you’ll hear the average between the distorted and clean signals.

Screen Shot 2020-03-27 at 7.21.54 PM.png

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