This circuit was found in an Electronic World of 1968. The circuit uses power transistors of the time. The transistors are for 25 W of dissipation.
Found in an Electronic Design from the 90s, this circuit measures the phase difference between two...
We found this circuit in a 1977 publication. With it we can test general purpose operational...
This simple AM transmitter for very small ranges uses in the original version of the 1970s, a...