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DiffAmpCalc Overview Slide 12

The maximum 3dB bandwidth (BW) result is large signal bandwidth and is approximated from datasheet data. Bandwidth extension due to peaking or slew rate limiting is ignored. Noise, distortion, SNR and ENOB are calculated based on 2Vp-p differential output into a 200Ω load. With DiffAmpCalc it is possible to add a passive low pass filter on the output to reduce noise and distortion, and to increase SNR and ENOB. To do this, specify the number of poles and the 3dB frequency of the filter. Then specify the highest signal frequency of interest. SNR and ENOB are calculated based on the signal frequency.

PTM Published on: 2012-06-08