Electronics - Operational Amplifiers - Discussion
Discussion Forum : Operational Amplifiers - General Questions (Q.No. 29)
29.
What is the frequency of this 555 astable multivibrator?
Discussion:
11 comments Page 2 of 2.
Murugan said:
7 years ago
T(high) = 0.693(RA+RB)C.
T(low) = 0.693(RB)C,
T = T(high)+T(low),
F = 1/T.
F = 1.44/(RA+2RB)C.
T(low) = 0.693(RB)C,
T = T(high)+T(low),
F = 1/T.
F = 1.44/(RA+2RB)C.
(2)
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