Beginner's Handbook of IC Projects

Beginner's Handbook of IC Projects

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4-6/ SOME ALARM-TRIGGERING CIRCUITS 67 9-V battery aquot;Taquot; Off/reset S1 Off On R1 SCR1 :50kn PT1 hi Sensitivity adjust 150 a _WW 1 R2 C1 0.1 /iF To PS connections of alarm circuits (figs. 4.1, 4.2, 4.3, 4.5) Parts List SCR1 6-A, 200-Vanbsp;...

Title:Beginner's Handbook of IC Projects
Author:David L. Heiserman
Publisher:Prentice Hall - 1981-01-01


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