This circuit was obtained in documentation from the 1980s. The triac and the unijunction support modern equivalents. The trigger transformer is 1: 1 turn ratio.
This 3-and-a-half-digit voltmeter was obtained in a 1991 documentation. Actuating integrated...
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...
This voltage-controlled function generator circuit was found in ancient European documentation. The circuit...