Monday, October 21, 2013

High Power Alarm Driver

In this circuit, a low-powered SCR is used to trigger a higher powered SCR. When a switch is opening (S2, S3, S4) or closing (S5, S6, S7), either SCR1 or SCR2 triggers. This triggers SCR3 via D1, D2, and R5. BZ1 is a high-powered alarm of the noninterrupting type. 

High-Power Alarm Driver Circuit Diagram



No comments:

Post a Comment

Note: Only a member of this blog may post a comment.