Question

Notify Me Bookmark

(a) For the common emitter amplifier circuit shown in Figure Q5 (a), Calculate: (i) The output voltage (ii) The ac input resistance. (10 marks) (4 marks) Figure Q5 (a) (b) Figure Q5 (b) shows the circuit of an operational amplifier. (i) Name the types of Op Amp 1, Op Amp 2, and Op Amp 3. (ii) Calculate the output voltage V0. (2 marks) (4 marks) Figure Q5 (b)

(a) For the common emitter amplifier circuit shown in Figure Q5 (a), Calculate: (i) The output voltage (ii) The ac input resistance. (10 marks) (4 marks) Figure Q5 (a) (b) Figure Q5 (b) shows the circuit of an operational amplifier. (i) Name the types of Op Amp 1, Op Amp 2, and Op Amp 3. (ii) Calculate the output voltage V0. (2 marks) (4 marks) Figure Q5 (b)

Image text
  1. (a) For the common emitter amplifier circuit shown in Figure Q5 (a), Calculate: (i) The output voltage (ii) The ac input resistance. (10 marks) (4 marks)
Figure Q5 (a) (b) Figure Q5 (b) shows the circuit of an operational amplifier. (i) Name the types of Op Amp 1, Op Amp 2, and Op Amp 3. (ii) Calculate the output voltage V 0 . (2 marks) (4 marks)
Figure Q5 (b)

Detailed Answer

0 0

Please enter your email here. You will get email when this question is answered by our tutor.

Doubtrix Logo

Problem is not yet solved!

Click on Notify me to get email when question is answered.

Join Doubtrix with 7-days free trial

  • Icon Correct & Verified Answers
  • Icon No AI-Generated Answers
  • Icon Video Solution for Difficult Questions
  • Icon Work With Experts to Reach at Correct Answers
Notify me Login Sign Up

Similar/Related Questions

The amplifier circuit shown in Figure B3 has a gain of -5. (a) Calculate the feedback resistor, Rf. (2 marks) (b) Calculate the peak output voltage, Vout(p). (2 marks) (c) Sketch the input and output waveforms on a common x-axis and indicate the peak values. (4 marks) (d) State the changes to the output waveform if the input voltage is increased to 8 V(p−p). (2 marks) Assume +Vsat = 13 V and −Vsat = −13 V Figure B3
Solution
0 0

Assume that the MOSFET has the following parameters: Vt = 1 V, K = 0.4 mA/V2 VA = 40 V. It is connected as an amplifier as shown in Figure Q4 and vs is an AC input voltage and vo is the AC output voltage. The DC drain voltage VD is set to be 0 V. Further assume that all the capacitors in the circuit are very large. Figure Q7. (a) Which type of amplifier configuration does the above circuit (3 marks) belong to? What are the electrical properties of this type of amplifier configuration? (b) Show that the MOS transistor operates in the saturation mode. (3 marks) State one electrical characteristic of a saturated MOS transistor. (c) Determine the drain current ID. (10 marks) (d) Design the load resistance RL such that the AC voltage gain vo/vs of (10 marks) the MOSFET amplifier equals -10 . (e) Suppose the amplitude of AC input vs is 0.2 V and the AC voltage (4 marks) gain of the amplifier equals -10. Do we have a distorted AC output waveform?

Solution
0 0

Consider a Class A power amplifier circuit shown in Figure Q.1. Given that β = 120, VBE = 0.7 V, IBQ = 5.3 mA and vce,sat = 0.5 V. Figure Q. 1: Class A power amplifier (a) Sketch with complete labelling the DC and AC load lines. (12 marks) (b) Determine maximum output peak voltage, voutp, without distortion. (4 marks) (c) Calculate the efficiency of the power amplifier at condition of maximum voutp. (4 marks) (d) Examine the expected change in the AC load line when RL value increases. Describe how it affect the maximum output voltage swing. (3 marks)
Solution
0 0