This circuit is from an old Electroics Now. Its purpose is to protect the fax and modem lines of two computers of the time. Suppressors are types of the time.
This sophisticated comparator, which may have didactic or practical purposes, was found in a 1980s...
July 2017 - The new Schottky rectifiers from Diodes Incorporated with 5 to 40 A currents and 100...
Suitable for clandestine listening and in SMD assembly, this circuit was found in the Radio...