Zero_crossing_detector_for_squaring_a_sine_wave

Published:2009/7/24 4:31:00 Author:Jessie | From:SeekIC

Fig. 15-15 This circuit symmetrically squares a sine wave (centered around 0 V) by introducing a small amount of positive feedback. Using the values shown, V1= V2 when VIN is zero. D1 ensures that the inverting input never goes below -100 mV and V2 never goes below ground. National Semiconductor Linear Applications Handbook 1991, p. 260.



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