Motorcycle direction indicator (CB8957E)

Found in a Popular Electronics from the 90s, this circuit can be adapted to use LEDs. The power FET can be of almost any type.

Video Switch (CB1540E)
We found this circuit in the National Semiconductor FETDatabook of 1977. The signal has an...
Emergency Light (CB5297E)
This setting appears on this site from other sources. This is from an 80's American documentation,...
12V x 1A Switching Regulator LT1070 (CB4401E)
This circuit is from the 1997 LinearTechnology Applications, operating with input voltages from 3 to 12...