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Application Notes
Adjustable speeds using potentiometers in
series
Replace the speed adjust potentiometer with a single-pole,
multi-position switch, and two or more potentiometers in
series, with a total series resistance of 10K ohms. Figure 15
shows a connection for fixed high and low speed adjust
potentiometers.
Figure 15. Adjustable Fixed Speeds
Using Potentiometers in Series
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