You are given a folded-cascode op amp shown to the left. VDD = VSS = 1 V. Vtn = −Vtp = 0.4 V. For all transistors, |VA| = 6 V. Power dissipated in the circuit (with no input signal applied) is 0.6 mW. Q1 and Q2 operate at a current that is four times that at which Q3 and Q4 is operating. All transistors operate at |VOV| = 0.2V. Show the current drawn from each of the two power supplies is 2IB. Find IB and I that result in the circuit operating at its specified power dissipation. Find the DC current at which each of Q1 to Q11 operate Find the input common-mode range Find the allowable range of Vo. Find the overall transconductance Gm Find the output resistance R0

You are given a folded-cascode op amp shown to the left. VDD = VSS = 1 V. Vtn = −Vtp = 0.4 V. For all transistors, |VA| = 6 V. Power dissipated in the circuit (with no input signal applied) is 0.6 mW. Q1 and Q2 operate at a current that is four times that at which Q3 and Q4 is operating. All transistors operate at |VOV| = 0.2V. Show the current drawn from each of the two power supplies is 2IB. Find IB and I that result in the circuit operating at its specified power dissipation. Find the DC current at which each of Q1 to Q11 operate Find the input common-mode range Find the allowable range of Vo. Find the overall transconductance Gm Find the output resistance R0

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You are given a folded-cascode op amp shown to the left. V D D = V S S = 1 V . V t n = V t p = 0.4 V . For all transistors, | V A | = 6 V. Power dissipated in the circuit (with no input signal applied) is 0.6 m W . Q 1 and Q 2 operate at a current that is four times that at which Q 3 and Q 4 is operating. All transistors operate at | V O V | = 0.2 V .
  • Show the current drawn from each of the two power supplies is 2 I B .
  • Find I B and I that result in the circuit operating at its specified power dissipation.
  • Find the DC current at which each of Q 1 to Q 11 operate
  • Find the input common-mode range
  • Find the allowable range of V o .
  • Find the overall transconductance G m
  • Find the output resistance R 0

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