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The low frequency cut-off frequency due to source capacitance (0.47 uF) is ________ Hz
Take VT = 26 mV. ( assume 0.47 uF capacitance at input is source capacitance )
    Correct answer is between '99,105'. Can you explain this answer?
    Verified Answer
    The low frequency cut-off frequency due to source capacitance (0.47 uF...
    The cut-off frequency due to source capacitance

     
    Where RS = source resistance
    Ri = Input impedance
    Where Ri = R1 // R2// βre

    In DC bias values

     
    Taking KVL in base-emitter path
    VB - VBE - IE (1.2 Ω) = 0

    IE = 0.917 mA

    ∴ Ri = R1 // R2 // βve
    = 10 kΩ // 68 kΩ // (120 × 28.36) Ω
    ≅ 2.44 k Ω

    = 103. 87 Hz
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    The low frequency cut-off frequency due to source capacitance (0.47 uF)is ________ HzTake VT= 26 mV. ( assume 0.47 uF capacitance at input is source capacitance )Correct answer is between '99,105'. Can you explain this answer?
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