This zero-crossing switch circuit was found in documentation from the 1990s. GE's PA424 is the main element of the circuit, uncommon today.
This circuit we have a practical idea to improve the performance of voltage regulators. The idea...
The BFO or Beat Frequency Oscillator is used to receive telegraphic signals or even modulated in...
Found in a1968’s Burr Brown documentation, this shield uses an integrated circuit from that time,...