

u must show an expression (equation) before inserting in the numbers" β-40. The input signal results in a base 1. For the class A amplifier circuit of fig. Pl, current having a peak valu...
For the class A amplifier circuit of fig. P1, β-40. The input signal results in a base current having a peak value of 5 mA. Determine: (a) The input power (Plac) and output power (Po(ac) (b) The power loss (Pam) and the efficiency (η) of this amplifier. 1. 15
Question 3 (10 marks) Calculate the input power , the output power and the efficiency of the amplifier circuit shown in Fig.(3) for an input voltage that results in a base current of 10 mA peak to peak. ㄟˇㄟ Fig. (3) 25
Question 3 (10 marks) Calculate the input power , the output power and the efficiency of the amplifier circuit shown in Fig.(3) for an input voltage that results in a base current of 10 mA peak to peak....
Q.A. 2 -Statement: DC biasing of a CE amplifier
circuit is as in Fig.2 Assume the parameters, VCC
= 12 volt, RE = 450 ohm; = 100; RL = 2250 ohm, RC =1000 ohm and
source resistance and Rs = 2500 ohm. Also, the device emitter
resistance re is negligible.
The amplifier is excited by a source, vs(t) = Vm × sin(2ft)
with Vm = 500 mV peak and f = 5500 Hz; and, coupling and by-pass
capacitors can...