This circuit makes use of comparators and common operational amplifiers, having been found in Motorola Linear Interface ICs of 1993. The circuit requires symmetrical source.
This circuit monitors extra-low frequency (ELF) fields. We found it in an American documentation from the...
The integrated circuit used in this trigger is uncommon today. We found it in a documentation from...
This circuit is an alternative to the previous circuit. We found it in the same article in the...