Design a MOSFET-c second order low pass filter with a pole frequency of 2MHz and a dsc gain of 4.

Assignment1: Advanced Analog Mixed Signal Design MEL ZG 625
1. For the CMOS operational amplifier shown in calculate the open-loop voltage
gain, unity gain bandwidth, and slew rate. Assume that the gate of M9 is
connected to the positive power supply and that the W/L of M9 has been chosen to
cancel the right half-plane zero. [6]
Show your results with a SPICE simulation.
Assume that Kn= 60.4μA/V2 Kp= 30.2μA/V2 . Leff= L-2Ld- Xd where Ld= 0.3μm &
Xd= 1μm 𝜆𝑛 × 𝐿 = 0.2μm/V, 𝜆𝑝 × 𝐿 = 0.1μm/V
Now using this develop a fully differential amplifier and .
There is a LT spice folder uploaded. One can use those circuits to understand the
design steps. The design of single stage is already available in book.

Assignment1: Advanced Analog Mixed Signal Design MEL ZG 625
2. Using the fully differential amplifier designed above , design a MOSFET-c
second order low pass filter with a pole frequency of 2MHz and a dsc gain of 4.
Use an integrating capacitor of 5pF. and Vc= 3V

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