11. (TCO 2) What are the polarities for V DD and V G for a n-channel, class A E-

Question

11. (TCO 2) What are the polarities for VDD and VG for a n-channel, class A E-MOSFET amplifier? (Points : 7)       VDD= -; VG= -
      VDD= -; VG= +
      VDD= +; VG= -
      VDD= +; VG= +

Question 12.12. (TCO 2) In which FET amplifier configuration is the gain less than unity? (Points : 7)       Common-source
      Common-gate
      Common-drain
      Common-base

Question 13.13. (TCO 2) What is the output impedance for an ideal op-amp? (Points : 7)       0
      
      
      ?

Question 14.14. (TCO 2) Determine the output resistance for an inverting op-amp with Ri = 5 k? and Rf = 100 k?,
Rout = 75 ? and an open-loop gain of Avol = 200,000. (Points : 7)       0 ?
      5 k?
      7.875 m?
      infinite

Question 15.15. (TCO 2) Which op amp configuration has the highest input impedance and lowest output impedance? (Points : 7)       Noninverting
      Inverting
      Voltage-follower
      Differential

Question 16.16. (TCO 2) Determine the open-loop voltage gain for an op-amp with linear input-output characteristics over an input voltage range of What are the polarities for VDD and VG for a n-channel, class A E-MOSFET amplifier? In which FET amplifier configuration is the gain less than unity? What is the output impedance for an ideal op-amp? Determine the output resistance for an inverting op-amp with Ri = 5 k? and Rf = 100 k?, Rout = 75 ? and an open-loop gain of A vol = 200,000. Which op amp configuration has the highest input impedance and lowest output impedance? Determine the open-loop voltage gain for an op-amp with linear input-output characteristics over an input voltage range of plusminus 0.04 mV that reaches output saturation voltages of plusminus 13 V at the limits. What is the input impedance for an ideal op-amp? What type of op-amp circuit should be selected to change a triangular waveform into a rectangular waveform? Determine the output voltage for an op-amp comparator circuit with a non-inverting input reference voltage of + 2 VDC and an inverting input signal of - 1 VDC. The op amp reaches output saturation voltages of plusminus 13 V at the limits. What is the reference voltage for the comparator shown below? What is the function of the circuit shown below? In a 5 V level detector circuit, the value for the feedback resistors in the DAC below to give a step size of 0.350 V. In a scaling adder, A four-input summing amplifier has all input resistors at 10 k? and the feedback resistor equal to 2.2 k?. If the input voltages are all equal to 2 V, what is the output voltage?

Explanation / Answer

11.VDD= +; VG= +

12. Common-source

13. 0

14. 5 k ohm

15. diffferential

16. 325000

17. infinite

18. Differentiator
19. +13V DC

20. 13.64 V

21. Amplifier

22.Inverting input is connected to +5 V.
23.560 ?
24.Input resistors are all different
25.-2.0 V

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