March 2021 Set A Final Pdf Question 4 A B C D Open With Google Docs Design An Eight Pole Sallen Key Low Pass Filter 1 (41.34 KiB) Viewed 56 times
March 2021 Set A Final Pdf Question 4 A B C D Open With Google Docs Design An Eight Pole Sallen Key Low Pass Filter 2 (35.23 KiB) Viewed 56 times
March 2021 SET A-Final.pdf QUESTION 4 a) b) c) d) Open with Google Docs Design an eight-pole Sallen Key Low Pass filter. Represent the low pass filter circuit using block diagram. [8 marks] Determine the critical frequency, fe if RA = Rs = R₂ = 2.2k2 and CA= CB=0.01 μF. From Figure 4 below, [2 marks] With the aid of a diagram, explain the difference between Hartley oscillator and Colpitts oscillator in a circuit construction. [4 marks] Page 470 pF C₁ 1pF R₁ [20 marks] www. www HH
arch 2021 SET A-Final.pdf () ii) 111 Open with Google Docs C₂ 1 μF R₁ W L₁ voo 2.5 mil R₂ w ما 000 12mH Figure 4 state the type of oscillator and justify the answels determine the frequency of oscillation, fr, for the given oscillator. [2 marks] [4 marks]
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