(Solved): Consider a differential cascode tuned differential amplifier, shown below: VDD Vin, diff=0.01V ...

Consider a differential cascode tuned differential amplifier, shown below: VDD ? Vin, diff=0.01V cos (2?×30×10?) RD LD LDS RD • W/L = 11.2?m / 28 nm ?n Cox = 400 ?A/V² • Iss = 1.25 mA CD = 200 fF RD = 530 02 ? CGS = 100 FF ? CGD, CDB, CSB are ignored 0002² • Inductors are assumed to be LGG Rs 100 23 lossless . All transistors are matched Vin, diff Iss Answer the following questions: 1. Explain how the cascode differential stage will alleviate the potential instability and input- output coupling of a standard single-tuned differential stage? (5 points) 2. Calculate the transconductance, gm, of the amplifier (5 points). 3. Calculate Ls and LG so that the resonant circuit LG-LS-CG resonates at the input signal frequency, AND also, provides noise-less matching to 100 differential source resistance (10 points). 4. Calculate the gain of the amplifier at the tuned frequency (5 points). 5. Calculate the output 3-dB bandwidth of this tuned amplifier in MHz (5 points). 00 M3 M? Iss VBIAS Lss 000² M4 M?