Maxim > Design Support > Technical Documents > Application Notes > A/D and D/A Conversion/Sampling Circuits > APP 184
Maxim > Design Support > Technical Documents > Application Notes > Amplifier and Comparator Circuits > APP 184
Maxim > Design Support > Technical Documents > Application Notes > Audio Circuits > APP 184

Keywords: phase-shift, op amp, operational amplifier, DS1669, phase control, opamps, digipots, digital potentiometers, epots, digital pot
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APPLICATION NOTE 184

Digitally-Controlled Phase Shift Using the DS1669

Feb 28, 2002

Abstract: This application brief describes how to control analog phase shift digitally using a combination of digital potentiometers and standard operational amplifiers (op amps). It is intended to serve as a design example for engineers needing to implement digital phase shift in a circuitry with no specific application. It presents common op amp phase shift configurations and how to implement them using a digital potentiometer in place of mechanical potentiometers or fixed resistors. Formulas for calculating phase shift are included in the application note.

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DS1669	Dallastat Electronic Digital Rheostat

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APP 184: Feb 28, 2002
APPLICATION NOTE 184, AN184, AN 184, APP184, Appnote184, Appnote 184

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Digitally-Controlled Phase Shift Using the DS1669

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