This 1967 General Electric circuit makes use of an array of 3 (integrated) transistors for an amplifier stage. The circuit has a 500 mV output.
This IR light sensor circuit was found in the July 1992 issue of Radio Electronics magazine. It is...
This sensitive 5-band circuit was found in a September 1995 issue of Electronics Now magazine. The...
The critical components for this 1970s project are transformers. The original transistors are made...