The PNP transistor shown in Fig has $\beta$ = 50. Find the value of $R_C$ to obtain $V_C$ = +5V. What happens if transistor is replaced with another transistor having $\beta$ = 100.

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The PNP transistor shown in Fig has

$\beta$ = 50. Find the value of

$R_C$ to obtain

$V_C$ = +5V. What happens if transistor is replaced with another transistor having

$\beta$ = 100.

written 8.2 years ago by

teamques10 ★ 69k

• modified 8.2 years ago

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Mumbai University > Electronics and telecommunication engineering > Sem 3 > Analog electronics 1

Marks: 4M

Years: Dec 14

analog electronics

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written 8.2 years ago by

teamques10 ★ 69k

Given: $β_1$ = 50, $β_1$ = 100, $V_C$ = 5V

Calculation with $β_1$ = 50

Step1: Find $I_B$ and $I_c$

enter image description here

Apply KVL to the base loop to write

10 V = $I_EB$ + $I_B R_B$

$I_B$ = $\frac{10-I_EB}{R_B}$ = $\frac{(10-0.7)}{(100 X 10^3 )}$

$I_B$ = 93 μA

$I_C$ = β X …

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