This circuit can be implemented with common components operating with low-intensity signals. The circuit was found in the April 1987 issue of Radio Electronics magazine.
Found in a Raytheon circuit manual from the 1960s, this circuit uses the CK722 and a...
This 1.6 GHz oscillator with 40 mW of output power was found in a Popular Electronics from...
This low-frequency circuit for alternating signals is from an early American 1980s documentation. The...