AND_GATE_PROTECTS_FROM_VOLTAGE_FAILURE

Published:2009/7/21 10:11:00 Author:Jessie | From:SeekIC

Deteuls absence of any one of several critical supply voltages of either polarity and energizes interlocking relay to prevent damage to components. Number of monitored circuits is limited by sum of leakage currents through 1N457 diodes. When this exceeds 100 microamp, Q1 and Q2 may remain on. –A. Shapiro, AND Gate Protects System Should the Voltage Fail, Electronics, 39:14, p 79-80.



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