This circuit was found in a Radio Electronics from February 1966. With it it is possible to trace the curve of a tunnel diode visualizing it on an oscilloscope.
This bistable touch circuit using CMOS technology controls a relay. The supply voltage must be...
This amplifier, found in a documentation from the 90's, is based on the well-known integrated...
This audio amplifier with differential input steps is designed to operate with asymmetric sources...