Found in a 1969’s Electronic Design, this circuit operates in a narrow range of voltages. Transistors can be replaced with modern equivalents.
This simple circuit was found in Popular Electronics. It can be built with any JFET. Galvanometers from...
This triac circuit was found in the July 1995 Electronics Now magazine. The triac is based on the...
Two alternating are produced by this circuit. The output signal must be applied to a power stage...