This circuit was found in a Motorola Manual of 1965. The circuit has neon lamps as trigger elements. Equivalent SCRs can be used.
This TTL circuit can be used as a shield, controlled by one of the inverters. The circuit must be...
This circuit, shown in the figure, consists of a variable gain amplifier with differential input...
We found this circuit in an Australian publication from 1991. It is a kit of the time with input...