For a NPN transistor in CE mode voltage divider bias configuration determine $V_C$ and $V

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For a NPN transistor in CE mode voltage divider bias configuration determine

$V_C$ and

$V_s$ .

written 8.2 years ago by

teamques10 ★ 69k

• modified 8.2 years ago

Given $V_CC$ = +20V, $V_EE$ = -20V, $R_i$ = 8.2KΩ, $R_2$ = 2.2KΩ, $R_C$ = 2.7KΩ, $R_E$ = 1.81KΩ, $C_1= C_2$ = 10µF and β = 120.

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written 8.2 years ago by

teamques10 ★ 69k

enter image description here

The Thevenin resistance and voltage are determined for the network to the left of the base terminal as shown in fig (a) and (b).

$R_th = R_1 || R_2$ = 8.2K || 2.2K = 1.73 kΩ

enter image description here

I = $\frac{(V_CC+ V_EE)}{(R_1 + R_2 )} = \frac{(20+ 20)}{(8.2k +2.2k)} = \frac{(40 V)}{(10.4 …

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