Electronic Circuit Analysis

86 Electronic Circuit Analysis
1. Explain about the classification of Amplifiers based on type of coupling and bandwidth.
2. What are the different types of distortions possible in amplifiers outputs?
3. Obtain the expression for the voltage gain Av in the L.F, M.F and H.F ranges, in the case of
single stage BJT amplifier.
4. When h-identical stages of amplifiers are cascaded, derive the expressions for overall gain Avn
lower cu~off frequency /;n and upper cutoff frequency h.n·
'
5. With the help of necessary waveforms, explain about the step response of amplifiers.
6. What is the significance of square wave testing in amplifiers?
7. Draw the circuit for differential amplifier and derive the expression for CMRR.
8. Explain about the characteristics of operational amplifiers.
9. Draw the circuit for Darlington pair and device the expressions for AI' A v ' R, and R o '
10. Draw the circuit for CASCODE Amplifier. Explain its working, obtaining overall values of the
circuit for h" hI' ho and h,