Using_a_timer_as_a_comparator

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

Fig. 15-16 This circuit uses an LM122 timer as a comparator with adjustable threshold levels. The output can be inverted or noninverted, as selected by a switch (or permanent wiring). Using the values shown and a +5-V supply, the threshold can be set between 0 and 3 V. National Semiconductor, Linear Applications Handbook, 1991, p. 335.



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