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A resistor obeys Ohm's law (\$\small V=I\cdot R\$); the current through it is equal to the voltage across it divided by the resistance (equivalently \$I=\frac{V}{R}\$).

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How to shift resistance range of Linear Potentiometers by X ohms in the Positive or Negative...

If you want to have your potentiometer going from 10k to 20k, simply hook a 10k after the potentiometer (e.g. where you get your changed Voltage). Formula: Potentiometer range: From x to 10k+x: Add a …
arc_lupus's user avatar
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0 votes
1 answer
1k views

Calculation of resistor and capacitor values

Taking the circuit from this question: Photodiode driver circuit, shown again as image: I am now wondering how to calculate the exact needed values for the different resistors and capacitors (in the image …
arc_lupus's user avatar
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2 votes
2 answers
944 views

Best way of switching between different resistor/capacitor values in a layout?

In my project I would like to switch between different resistors/capacitors on the fly, preferably without having to open the containing box around the PCB. …
arc_lupus's user avatar
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