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Driving a center-tapped transformer with a balanced current-output DAC
Author: Ken Gentile

The goal of this application note by Ken Gentile for Analog Devices is two-fold: To provide an explanation of the functionality of a balanced output in the context of a current-output DAC; and to provide formulas that relate the transformer turns ratio (N), the transformer load (RL), the DAC load resistors (RO) and the maximum DAC output current (IMAX).

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