DUAL_LIMIT_COMPARATOR

Published:2009/6/25 1:37:00 Author:May | From:SeekIC

This circuit gives a positive output when the input voltage exceeds 8.5 volts. Between these limits the output is negative. The posi-tive limit point is determined by the ratio of R1, R2, and the negative point by R1, R3. The forward voltage drop across the diodes must be allowed for. The output may be inverted by reversing the inputs to the op amp. The 709 is used without frequency compensation.



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