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Programmable amplifier

LABSPROJECT
Based on a Labs project | October 2011 | Find it here
Programmable amplifier
One way of designing a programmable amplifier is placing a HEXcoding switch in the feedback loop of an operational amplifier (op amp). A 16-position coding switch has a mother contact, COM, and four binary coded outputs. Depending on the switch position, COM is linked to the relevant output.
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