This circuit was found in the June 1996 issue of Electronics Now. Integrated circuits must be equipped with heat sinks, and the maximum current is 1 A.
This circuit with JFET and Unijunction was found in an ancient American documentation. The...
This metering bridge circuit uses one power supply only. The operational ones depend on the...
We found this configuration in the 1964 RCA transistors manual. As indicator loads in each stage,...