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3
votes
Why is the capacitor short-circuited in this example?
A short circuit here means that there is no resistance (impedance) between the two terminals of the shorted capacitor. The vertical wire drawn next to the vertical capacitor shorts the two terminals o …
20
votes
This LM317 diagram doesn't make any sense to me
The datasheet has a pretty thorough description of the use of the ADJ pin with \$R_1\$ and \$R_2\$:
Since both \$R_1\$ and \$R_2\$ appear in the equation for the output voltage
$$V_{\text{out}} = …