Third Order Low Pass Filter (CB25264E)

This circuit was found in the December 1990 issue of Radio Electronics magazine. It was used in a home theater sound system.

Power supply 5 V x 1 A (CB19639E)
This power source is indicated for the supply of the previous circuit (CB19638E), but it is also...
Mechanical Reverberator (CB23995E)
This mechanical reverberator circuit for guitar was found in the February 1970 issue of Radio...
Trigger Schmitt 555 (CB8454E)
Found in a 90s American documentation, this circuit consists of a trigger that generates...