Simplicity and low cost sustain the popularity of passive PWM DAC ripple filters despite their limitations. One of these limitations is a high output impedance caused by the series sum of filter ...
Another important op amp application is buffering DAC outputs. Modern IC DACs provide either voltage or current outputs. Figure 3-51 shows three fundamental configurations, all with the objective of ...
Sometimes it seems as though digital designers get all of the attention. In all of the excitement surrounding "gigaFLOPS," "22 nm," and such, there's still one crumb of comfort for we non-digital ...
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