This circuit serves as a reference for the components used and the time. The circuit is from 1967 RCA documentation. MOSFETs from that time are used.
This circuit makes use of an unusual Analog Devices component today. The circuit is from a 90's...
A flash of light on one sensor or the touch of your fingers on the other type of sensor will turn...
This receiver for the mid-wave band was found in a documentation from the 60's. The transistors are made...