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.

First line selector (CB9414E)
This interesting circuit for analog TV selects the first line of a frame. The circuit was found in a...
First pulse preserver (CB9259E)
This circuit was found in a 1967 EEE. The components are from that time, but the circuit can be...
Symmetrical regulator (CB8698E)
Found in a 1968 documentation, this circuit provides symmetrical voltages determined by component...