2. A. "Symmetry in construction of two halves of differential amplifier is emphasized."
Give reasons for the above statement. (2 Marks)
B. Estimate dc emitter current in each transistor of differential amplifier shown in figure
below. How much is dc voltage from each collector to ground? How much is $V_{out}$? (3
Marks)
+12V
$R_C$ 16k
$R_C$ 16k
$V_{out}$
$V_1$
$V_{CE1}$
$V_{CE2}$
$V_2$
$I_T$
$R_E$ 24k
-12V
Fig. 2
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