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Modelling differential pairs for low-distortion amplifier design | IEEE Conference Publication | IEEE Xplore

Modelling differential pairs for low-distortion amplifier design


Abstract:

The differential pair is one of the basic amplifying stages in amplifier design. Aiming at the the design of low-distortion amplifiers, a simple model for a differential ...Show More

Abstract:

The differential pair is one of the basic amplifying stages in amplifier design. Aiming at the the design of low-distortion amplifiers, a simple model for a differential pair is derived using the Volterra series. The parameters in this model correspond to the well-known small-signal parameters, furthermore the effect of the non-ideal tail-current source is made explicit in the model. The model gives insight in the way distortion is generated in a differential pair and it therefore allows the establishment of some simple design rules. Although being derived from a very simple model, the expressions give a good accordance with simulations.
Date of Conference: 25-28 May 2003
Date Added to IEEE Xplore: 20 June 2003
Print ISBN:0-7803-7761-3
Conference Location: Bangkok, Thailand

References

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