(b) Analyse and obtain the transfer function for the filter as shown in Figure Q2(b). R₁ VW HH R₂ Figure Q2 (b)

4. Part A: Filters 1. 3. Assignment#5 Refer to Electronic Devices, Floyd chapters 15, 16 and 17 2. The term pole in filter terminology refers to (a) a high-gain op-amp (c) a single RC circuit (b) one complete active filter (d) the feedback circuit A band-pass response has (a) two critical frequencies (c) a flat curve in the passband (b) one critical frequency (d) a wide bandwidth When a low-pass and a high-pass filter are cascaded to get a band-pass filter, the critical frequency of the low-pass filter must be (a) equal to the critical frequency of the high-pass filter (b) less than the critical frequency of the high-pass filter (c) greater than the critical frequency of the high-pass filter When the gain of a filter is minimum at its center frequency, it is (a) a band-pass filter (b) a band-stop filter (c) a notch filter (d) answers (b) and (c)

For the circuit shown below, assuming Lambda = 0, the feedback gain k is: Rpl R₁ 11₁ O b. k=-1 Select one: Oa. None of these gm2.RD d. k=- R2 Ock=- R1 R2 R₂ Rp1 Q₂ R1/(1/gm1) RI/(1/gml)+182 -OV R

.Sallen-Key is one of the most common filter configurations for designing first- order (1st-order) and second-order (2nd-order) filters, Figure 2 shows Sallen-Key High Pass Filter. Determine the transfer function of Vout/Vin. Let C₁ = C₂ = 100nF, R₁ R₂ = 8kN. = Vin C₁ C₂ R₂ R₁ op amp Figure 2 Vout