This small signal amplifier circuit was found in Motorola's 1969 documentation. The FET and the transistor can be of any type and is battery powered since the consumption is very low.
Published in a PE Hobbyst Handbook of 1991, this sensor uses an integrated circuit that is unusual...
This circuit was obtained in a Motorola manual from the 70s. The integrated circuit is from that...
In critical applications of the RS-232 interface, the danger of induced voltages in the cables must...