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Sweeping a potentiometer

2 years ago 988
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Description

Examples of three ways to sweep the slider positon of a potentiometer in DC Sweep and a way to sweep the slider positon of a potentiometer and plot the effective resistance of the lower side of the potentiometer track in a time domain sweep.

Documents

How to sweep the slider position of a potentiometer 01

How to sweep the slider position of a potentiometer 03

How to sweep the slider position of a potentiometer 02

How to sweep the slider position of a potentiometer 04

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted
1 10 V1 2P-5.0 1
2 50k VCTRL 2P-5.0 1
3 R = MAX(POTVAL-V(CTRL), 1u) RV1TOP R3 1
4 R = MAX(V(CTRL), 1u) RV1BOT R3 1
5 0.5 VCTRL 2P-5.0 1
6 R = {POTVAL*MAX(1-V(CTRL), 1u)} RV1TOP R3 1
7 R = {POTVAL*MAX(V(CTRL), 1u)} RV1BOT R3 1
8 1 I1 2P-5.0 1
9 {POTVAL} RPOTVAL R3 1
10 SINE(0 10 1k) V1 2P-5.0 1
11 SIN({POTVAL*0.5} {POTVAL*0.5} 10) VCTRL 2P-5.0 1
12 -1 VREF1 2P-5.0 1
13 1 RPOTVAL R3 1

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