(Answered) Question 1for the ce amplifier in figure 1 given the

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Question 1

For the CE amplifier in Figure (1), given the following component parameters:

Parameter	Value
βDC , βAC	150
VBE	0.7 V
VCC	12 V
R_C	820 ?
RE1	100 ?
RE2	220 ?
R₁	20 k?
R₂	5.2 k?
R_L	100 k?
C₁, C₃	10 µF

Figure 1: Question 1

A
Compute the following DC parameters
(i) I_E
(ii) V_E
(iii) V_B
(iv) I_C
(v) V_C
(vi) V_CE
(Hint: Note the voltage divider is not stiff, so do not assume IB is negligible.)

B
Compute the following AC parameters
(i) R_in(base)
(ii) R_in(tot)
(iii) A_v
(iv) Compute the overall gain Ajv when a signal source with a resistance of 1.6 k? is connected to the amplifier.

C What is the theoretical minimum value for C2 if the amplifier must operate over a frequency range from 1 kHz to 5 kHz?

Question 2
For the self biased JFET circuit in Figure (2), given that ID = 1.2mA, compute:
(a) VDS
(b) VGS

Figure 2: Question 2

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