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amr mohamed

Occupation: : 369
Date of Birth : 1994-09-29
Join Date : 2010-11-12
Age : 22

PostSubject: checker circuit 555   Sun 20 Mar 2011, 11:32 am

checker circuit 555

Description of Service

Electronic circuit to examine the integrated circuit

The modus operandi of the Chamber

Department of oscillator is
Of the most important applications of the integrated circuit 555 easier wayto be tested is placed
Within the circle of a simple oscillator and get the result for two-way optical

Circuit diagram

Circuit elements

R1 = 68K, 5%
R2 = 39K, 5%
R3 = 100 to 330 ohm
R4 = Same as R3
C1 = 1μF, 16V
C2 = 0.01μF ceramic
Bilateral light (2) LED
Integrated circuit socket 8 Parties


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