This input circuit for an oscilloscope was found in Radio Electronics from the 90s. The operating circuit is from that time, and a modern equivalent can be tried out.
We find this circuit in an American publication of 1978. It is intended only for cars that have...
In fact, this dimmer can be used with currents up to 1.5 A according to the General Electric...
This 6-transistor transistor radio was manufactured in Japan in the 1960s. It is a portable...