Design a BPF using a 2nd order LPF and a 2nd order HFP. The BPF should have a flat passband gain is 9dB, a center frequency of 1.6 KHz, and a quality factor of 6. Verify your design using PSPICE. Mighpampne Ra Trupole lon pus R ECE 362, SP21 Active Filter and Oscillator Project Design an oscillator to generate a 1.6 KHz square wave with 50% Duty ratio. Verify your design using PSPICE. Then, Use your BPF to pass the square wave and stop all its harmonics (The filtered wave is a sinewave!!) Addition of a few external parts forms a versatile astable multivibrator. The frequency and duty cycle are given by: 1.44 1.- (R+2R, C R-R 100 R+2R, Duty cyde-