This circuit is from the time when slide projects were used. We find it in a 90's Wels’ Think Tank. The lead times can be adjusted from 5 to 30 seconds.
This window comparator configuration is from a 1980 publication. It is a conventional circuit that...
This isolated shield for triac was found in old European documentation. The resistor R1, in fact,...
August 2016 - It can be obtained from Mouser Electronics the new pressure transducer M5600 from TE...