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 circuit was found in a 73 magazine for radio amateurs of the 90s. The circuit uses two types...
Found in General Electric documentation from the 1970s, this circuit generates a staircase signal....
In this circuit, the current capacity doubles, but is still of the order of microamps. The...