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EE101Lecture8

# EE101Lecture8 - C = P P(V B T R 4 Levels of Logic © Mark...

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© Mark Redekopp, All rights reserved Negative Logic • In negative logic 0 means true and 1 means false volts time 1=true/on 0=false/off volts time 1=false/off 0=true/on Negative Logic Positive Logic (Value/Meaning) (Value/Meaning)
© Mark Redekopp, All rights reserved Negative Logic A negative logic OR function is equivalent to an AND gate = = A negative logic AND function is equivalent to an OR gate

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© Mark Redekopp, All rights reserved Circuit Design • Take a problem description and create a circuit – “A car stereo display should show the c lock time (as opposed to other information) when the p ower is off or when the p ower is on and the s ound settings or r adio station are not being changed. The sound settings are considered as the v olume, b alance and t reble/bass.” C = P + P(S+R) = P + P((V+B+T)+R)

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