D14.19 Use the circuit of Fig. 14.22(b) to design a second-order bandpass filter with a center frequency of 10 kHz, a 3-dB bandwidth of 500 Hz, and a center-frequency gain of 10. Use C = 1.2 nF.
R1 = R2 = R3 = R5 = 13.26 kΩ; R6 = 265 kΩ; C4 = C6 = 1.2 nF; K = 10, r1 = 10 kΩ, r2 = 90 kΩ
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