4. Design a second order low-pass filter that cut-off frequency fi=50KHz with a. OTA-RC filter; (Draw...

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4. Design a second order low-pass filter that cut-off frequency fi=50KHz with a. OTA-RC filter; (Draw the circuit, find elements values). b. OTA-C filter, draw the circuit, find elements values. (Transconductances of OTAs must be equal to each other in a and b. And you are the designer...) (20 points) (20 points) 4. Design a second order low-pass filter that cut-off frequency fi=50KHz with a. OTA-RC filter; (Draw the circuit, find elements values). b. OTA-C filter, draw the circuit, find elements values. (Transconductances of OTAs must be equal to each other in a and b. And you are the designer...) (20 points) (20 points)