SCR Complete alarm (CB20474E)

This circuit is from a Popular Electronics from 1992. It uses two SCRs and can be triggered by sensors in series and in parallel.

Music Synthesizer (CB5967E)
This circuit makes use of a specific 80's component and was found in an American manual of the...
Band Pass Filter with Multiple Feedback LM158 (CB4482E)
We found this circuit in Motorola's 1993 Linear Interface ICs. The power supply does not have to...
SP2555NUTG - 2.5 V x 45 Diodes Array A
May 2017 - Mouser Electronics already has for sale the new Littelfuse SP2555NUTG diode arrays for...