use the valued for team #1 Part 1 Design an Active Band-Pass Filter Each team will design a filter w

use the valued for team #1
Part 1 Design an Active Band-Pass Filter Each team will design a filter with a particular center frequency. The specifications for each filter are as follows: Filter for team #1: fo 15 kHz, Q=5 Filter for team # 2: fo 30 kHz, Q= 5 Filter for team #3: fo 45 kHz, Q=5 Filter for team # 5: same specifications as for team #1 Filter for team #6; same specifications as for team #2 Fater for team # 7: same specifications as for team # 3, etc Design the multiple-feedback second-order band-pass filter as shown in Figure B1 for the center frequency specified for your team. Note: the center frequencies have to be kept relatively low because the op-amp slews easily as the frequency increases. Even at 45kHz the op amp can end up slewing. Design procedure given fo and Q: 1. Compute BW Q 2. Compute the maximum voltage gain which occurs at fo Maxcmum Gai-20- 3. Compute the maximum ampitude that the input signal can have in order to avoid saturating the op-amp. supply voltage max gain Lab e6 Page 4 of 18 4. Select a small standard capacitor vahue for C. The reason for selecting a small value is to end up with resistor values that are not too small. 5. Compute R= 6. Compute R 4Q 7. If Ri is less than about 2002 then go back to step 4 and select an even smaller capacitor value. Next, get standard resistors and capacitors and measure and record their values: Ri = R2 = C

 

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