This circuit indicates the logical level of a CMOS circuit, extracting the power from the circuit being analyzed. The circuit is from an American magazine from the 90s.
This General Electric circuit is from the 80's. The PUTs used in this meter are not common...
This sophisticated circuit of the coin-toss game was found in an American 1980s documentation. The circuit...
Found in 1965 General Electric documentation this circuit applies to a LASCR used as an optical...