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III. BPF( Band Pass Filter) 1. Design series RLC BPF with a bandwidth (BW) of 250 Hz and a center frequency) of 750Hz assume C-100nF. Calculate and draw the circuit in the bar below: 2. Use breadboard to construct the series RLC BPF circuit. Set the function generator for 400Hz, sine wave at 5V, then measure the output voltage with the oscilloscope. 3. Change the input signal frequency measure the output voltage and record the readings at Table 3 below. 4. Use the values in Table 3 to draw the Bode plot on the logarithmic paper (3) below (show all the needed values on the graph) 5. Use Bode Plot instrument in Multisim to draw the Bode plot curve and compare it with the Bode plot in step 4 above. Write your comments at comment box#3 below:
400 450 500 550 600 650 700 750 800 850 900 950 1000 Frequency Hz Vo GainVo/Vin Gain in dB Table.3 10 dB -10 -20 40 -60 10 10000 100 Hz 1000 log paper (3)
Comment box #3 IV. BSF( Band Stop Filter) 1. Design series RLC BSF with Q-10 and f.-5KHz, assume R-IK Calculate and draw the circuit in the box below
2. Use breadboard to construct the series RLC BSF circuit. Set the function generator for 1KHz, sine wave at 5Vp, then measure the output voltage with the oscilloscope. 3. Change the input signal frequency, measure the output voltage and record the readings at Table 4 below. 4. Use the values in Table.4 to draw the Bode plot on the logarithmic paper (4) below. (show all the needed values on the graph) 5. Use Bode Plot instrument in Multisim to draw the Bode plot curve and compare it with the Bode plot in step 4 above. Write your comments at comment box#4 below: Frequency KHz 2 3 4 5 6 7 8 9 10 Vo 2 Gain-Vo/Vin Gain in dB Table.4 10 dB 0 -10 -20 40 60 100 1000 10000 100000 Hz Log paper (4)