29-09-2016, 10:12 AM
1456712905-Assignment1questions.docx (Size: 26.24 KB / Downloads: 4)
I unit:
1. Explain about voltage gain,power gain and current gain of an amplifier.
2. Explain the current amplifier circuit model and derive the overall gain expression.
3. Discuss about the frequency response of the single-time constant RC low pass network.
4. Discuss about the amplifier frequency response and Bandwidth.
5. Derive the expression for Voltage gain using the transconductance amplifier and Trans
Resistance amplifier models.
6. Derive the overall voltage gain for the multistage amplifier given below.
II Unit:
1. Explain the following BJT biasing circuits.
(i)Fixed Bias (ii)Voltage divider bias (iii) Collector to base Feedback bias (iv) Self bias
Also discuss about the Q point collector current stability of these biasing circuits.
2.Explain about the small signal operation and models of BJT Common emitter amplifier.
(Hybrid Pi model )