Found in 90's Electronic Engineering this circuit can be used to measure phase angles between two signals from 0 to 180 degrees. The components used admit modern equivalents.
This circuit is used in the analog part of the telephone lines. The same circuit can directly...
This amplified metronome was found in a 90s Popular Electronics. The circuit is powered by a 9 V...
This circuit sources a ramp signal with characteristic given by the diac. The circuit is powered...