This circuit is an alternative to the previous circuit. We found it in the same article in the Radio Electronics magazine of March 1992. The integrated circuits are the LM3914.
This circuit can shift the phase of a signal from 0 to 360º. FETs admit equivalents and the...
This circuit with germanium transistors was found in a 1980s documentation. The circuit makes use...
Using components from the era, this 90's EDN circuit is used in analog to digital conversion...