Zero_crossing_detector_for_MOS

Published:2009/7/24 4:21:00 Author:Jessie | From:SeekIC

Fig. 15-7 In this zero-crossing detector, the ground terminal of the LM111 is connected to V-. With±15-V supplies, the signal swing delivered to the gate of Q1 is also ±15 V, so the circuit is well suited for MOS (particularly where the gain or feedback of a circuit must be changed at some precisely determined signal level). The circuit can be modified to work with JFETs. National semiconductor Linear Applications Handbook 1991, p 1204.



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