LED Sequencer (CB21711E)

This is one of the many versions of this circuit that appear on this site. We got it from an internet documentation.

Hearing Aid Amplifier (CB18574E)
This commercial circuit, sold under the designation H531 in Japan in the 1960s, used three...
AD Converter Comparator (CB20160E)
This circuit is from the manual of the components used, from the 80s. The circuit is valid for...
Anti theft (CB8961E)
Found in a 1980s American documentation, this circuit appears with variations elsewhere in this...