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Active load for differential amplifier with high output impedance and reduced supply voltage

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2 Author(s)
Redoute, J.-M. ; Katholieke Univ. Leuven, Leuven ; Steyaert, M.

An active load which uses positive feedback to achieve an impedance transformation is introduced. The use of this circuit as an active load for a differential amplifier is explored, and it is illustrated with a case study that the output impedance and consequently the voltage gain are improved when this circuit is used.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 2 )

Date of Publication:

January 17 2008

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