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Quantised inverter amplifier

Quantised inverter amplifier

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The quantised inverter amplifier concept is introduced, where an input signal is sliced and amplified by an array of amplifiers. This strategy expands the dynamic range of the amplifier and relaxes the power demand of the following stages as the total output swing can virtually exceed the supply voltage. Moreover, using multiple amplifiers helps to linearise the input–output transfer characteristic. Simulations results confirm the presented theory.

References

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    2. 2)
      • 2. Enz, C., Vittoz, E.A.: ‘CMOS low-power analog circuit design’. Proc. 18th Annual Electrical Overstress/Electrostatic Discharge Symp., Atlanta, GA, USA, May 1996, pp. 79133.
    3. 3)
      • 3. Vittoz, E.A.: ‘Low-power design: ways to approach the limits’. IEEE Int. Solid State Circuits Conf., San-Francisco, CA, USA, February 1994, pp. 1418.
    4. 4)
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