This inverter with the 555 IC provides a high voltage output, but very low current. We found it in an 80's documentation. The transformer is according to the desired voltage.
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...