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Design a Single stage RC coupled amplifier using FET BFW-11 biased to provide 3.5mA to achieve voltage gain of 10, lower cut of frequency of 20 Hz and to provide Vo=2.5V.
written 4.5 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 4.5 years ago
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written 4.5 years ago by gravatar for teamques10 teamques10 ★ 70k
  • We know the gain of a BJT transistor given y the formula

$A_v=\dfrac{V_o}{V_i}$

  • Hence the Output Voltage is the product of Gain and Input Voltage

     $V_{o}=300V$

  • We know the Stability factor for a BJT transistor is given as

$S=\dfrac{(\beta+1){(1+\dfrac{R_1}{R_L})}}{({\beta+1)}+\dfrac{R_1}{R_L}}$

  • From data sheet of BJT147B transistor we have Gain value of …

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