The MOSFET in the following common-gate amplifier has Cgs = 2.0 pF, Cgd = 0.5 pF, CL = 3 pF, gm = 5 mS, Rsig = 1 kΩ, and RL = 20 kΩ. The MOSFET has a ro = ∞. Find the midband voltage gain vo/vsig. Estimate the high cutoff frequency of the circuit, fH.

The MOSFET in the following common-gate amplifier has Cgs = 2.0 pF, Cgd = 0.5 pF, CL = 3 pF, gm = 5 mS, Rsig = 1 kΩ, and RL = 20 kΩ. The MOSFET has a ro = ∞. Find the midband voltage gain vo/vsig. Estimate the high cutoff frequency of the circuit, fH.

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  1. (10) The MOSFET in the following common-gate amplifier has C g s = 2.0 p F , C g d = 0.5 p F , C L = 3 p F , g m = 5 m S , R s i g = 1 k Ω , and R L = 20 k Ω . The MOSFET has a r o = .
  1. Find the midband voltage gain v o / v s i g .
  2. Estimate the high cutoff frequency of the circuit, f H .

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