C28-activities - ACTIVITY 28-1 Go to Website Click on...

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1 Go to Website Click on Filters CAD Module Look at Low Pass Filter with R and C Look at High Pass Filter with C and R Can also use L and R for Low Pass Filter Use the Module for a few minu tes ACTIVITY 28-1 ACTIVITY 28-2 st st st Let's build a 1 Order Filter See how it works Start with a 1 Order Low Pass Then interchange R and C to make a 1 Order High Pass ACTIVITY 28-2 in v out v 7.2 k (Use Digital Pot) Ω 2.2 nF 10 k Ω 10 k Ω st 1 O rd e r L ow P a s s F i l t e r Gain 2 = 741 ACTIVITY 28-2 ± Construct a 1 st Order Low Pass Filter: out in Use Multipurpose Board for R and C Protoboard the Amplifier Amplifier needs 5 volts V Find H at f 2, 5, 10, 20, 50 kHz V ± == c Determine the Cutoff Frequency; Compare with
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C28-activities - ACTIVITY 28-1 Go to Website Click on...

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