The integrated circuit used in this trigger is uncommon today. We found it in a documentation from the 70s. The circuit operates with signals up to 50 kHz.
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...