Calculate bandwidth for two stage RC coupled CE amplifier.

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written 6.9 years ago by

teamques10 ★ 70k

modified 3.8 years ago by

Sharad • 160

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electronic devices and circuits

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1 Answer

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written 3.8 years ago by

Sharad • 160

Solution:

$\beta_1 = 100, \beta_2 = 150, r\pi_1 = rb\pi_2 = 1.3 k \Omega$

g$m_1$ = g$m_2$ = 50 mA/v

c$\pi_1$ = c$\pi_2$ = 15 pf , c$\mu$ = c$\mu_2$ = 1 pf

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1) Low Frequency Response :

Low frequency small signal equivalent circuit.

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Step 1.

Calculate R$b_1$ R$b_2$

rb1 …

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