(Solved): Q3 a. A fixed bias configuration BJT circuit in Figure Q3(a) i) Use your own words to explain BJT t ...
Q3 a. A fixed bias configuration BJT circuit in Figure Q3(a) i) Use your own words to explain BJT transistor DC biased circuit purpose. (3 Marks) ii) Describe in which condition the BJT to be biased in its linear or active operating region. (4 Marks) iii) Given the load line of Figure Q3(a) and the defined Q-point (operating point), determine the Base Current \( \mathrm{l}_{\mathrm{B}} \) and the required values of \( \mathrm{V}_{\mathrm{Cc}}, \mathrm{R}_{\mathrm{c}} \), and \( \mathrm{R}_{\mathrm{B}} \) for a fixedbias configuration.
b. An electric device is applied input ac power \( 10 \mathrm{~mW} \) at \( 100 \mathrm{mV} \) and the output power is \( 48 \mathrm{~W} \) i) Determine the power gain in decibels. (2 Marks) ii) Calculate the input impedance and output voliage of this circuit if the output impedance is \( 4 \mathrm{k} \Omega \) iii) Determine the voltage gain in decibels. (6 Marks) (2 Marks) Total Question3 (25 Marks)