This circuit was found in a Hands On Electronics from the 90s. The circuit does not need a symmetrical power source. The signals with which it operates are alternating.
This circuit was found in Signetics documentation from the 90's. The circuit performance curve is...
Found in 90's Electronic Engineering this circuit can be used to measure phase angles between two...
This circuit was obtained from a 1965 Radio Electronics. The semiconductors used admit modern...