Audio Cable Tester (CB3827E)

This simple circuit tests both monophonic and other two-wire audio cables. The circuit is powered by two common batteries.

Window Comparator (CB6089E)
This sophisticated comparator, which may have didactic or practical purposes, was found in a 1980s...
STD Series Schottky Rectifiers
July 2017 - The new Schottky rectifiers from Diodes Incorporated with 5 to 40 A currents and 100...
Microamplifier (CB25155E)
Suitable for clandestine listening and in SMD assembly, this circuit was found in the Radio...