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.
Found in English documentation, this touch sensitive switch must be powered by an isolation...
This circuit was found in a 1969s American documentation. With modern components, it can be used...
With this circuit it is possible to produce RF signals up to a few tens of megahertz using TTL...