Question

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ZRc 3. In the given circuit, all resistors are 2K, B = Bo = 100, IEE=5mA, all capacitors are very large and Vcc=20V. a) (5) Estimate Ico b) (5) Estimate the bias current in Cl. .tran 0 5ms 0 bus c) (5) What load does Vin see? 2N3866 d) (5) Find the voltage gain of the amplifier. e) (5) Estimate the peak-to-peak voltage at RL if C3 is removed. f) (5) Estimate the peak-to-peak voltage at RL if only C1 is removed. IEE SINE(0.01V 1KHz R1c3 Q11

Answer 1

= IEE=IE= SMA Ics se- 100*5m= 4.95mA w an oc, capacitor acts as open Iazo vin - = 100 52522 1 .4095/26 d) in ac, capacitor acts as short cruit Ala= 9me Rell Re) = 40 mm (2018) = 190.5 if ez is removed 1 26mv. 19003 Ale= m(RellR) - 170.190x2x18 = 0.4999 Nout-pp = Autwin = 0.01x0.499 = 0.004 Vout pp = 0.00999 UPP f) et cis removed in ac IEE acts as course openciscuit. ovo ² Rellre it is not obeying Sk - KUL It will not acts as amplifier