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Amplifier design using HSPICE

Discussion in 'Electronics Homework Help' started by tabascorez, Nov 14, 2013.

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  1. tabascorez


    Nov 14, 2013
    Hi guys

    I have to design an amplifier with the following conditions. Since i am new in this, I need some help. Can you guide me on how to start on this?

    Supply voltage = ±0.9V (Fixed)
    Load condition = 10pF (Fixed)
    Low-frequency gain ≥ 80dB
    Unity-gain frequency ≥ 5MHz
    Power consumption < 500uW
    Phase at unity-gain frequency ≥ 60°
    Output swing: −0.4V < Vo < 0.4V
    Slew rate ≥ 5V/μs
    CMRR ≥ 80dB

    The circuit should not have a current source bias.

    From these specs, how to choose which circuit configuration and size of transistors (.18micron technology)
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