# Band Pass Filter and Cutoff Frequencies Worksheet

Band Pass Filter and Cutoff Frequencies Worksheet

Band Pass Filter and Cutoff Frequencies Worksheet

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### UNFORMATTED ATTACHMENT PREVIEW

1. Problem A1 One possible design of the band-pass filter is attached in Figure 1, where an active low-pass filter has been chained to with an active high-pass filter, with an optional voltage follower sitting in the middle. If this filter has a passband of 0.5 and 40 Hz (this means that the cutoff frequencies are 0.5Hz and 40Hz). Determine: • Is the 0.5Hz the cutoff frequency for the low-pass or the high-pass filter? • Is the 40Hz the cutoff frequency for the low-pass or the high-pass filter? R 12 w – Vout C1 M Rin2 Rf1 M C2 w Vin Rint Figure 1: A Band-Pass Filter 1 2. Problem C1 Give possible values for the resistors Rinl, Rfi, Rin2, Rf2, and the capacitors C1, C2 to achieve an overall gain of 10 and a cutoff frequency 0.5 and 40 Hz using the design given in Figure 1. 3. Problem C2 Using one Op-Amp, implement a circuit that has the same

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Band Pass Filter and Cutoff Frequencies Worksheet

2 attachmentsSlide 1 of 2

### UNFORMATTED ATTACHMENT PREVIEW

1. Problem A1 One possible design of the band-pass filter is attached in Figure 1, where an active low-pass filter has been chained to with an active high-pass filter, with an optional voltage follower sitting in the middle. If this filter has a passband of 0.5 and 40 Hz (this means that the cutoff frequencies are 0.5Hz and 40Hz). Determine: • Is the 0.5Hz the cutoff frequency for the low-pass or the high-pass filter? • Is the 40Hz the cutoff frequency for the low-pass or the high-pass filter? R 12 w – Vout C1 M Rin2 Rf1 M C2 w Vin Rint Figure 1: A Band-Pass Filter 1 2. Problem C1 Give possible values for the resistors Rinl, Rfi, Rin2, Rf2, and the capacitors C1, C2 to achieve an overall gain of 10 and a cutoff frequency 0.5 and 40 Hz using the design given in Figure 1. 3. Problem C2 Using one Op-Amp, implement a circuit that has the same

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