An Ultra Low Power 2.3-2.5 GHz WBAN Receiver Frontend Employing Frequency Translated Mutual Noise Cancellation

  • Authors:
    Mustafijur Rahman (Univ. of Minnesota), Ramesh Harjani (Univ. of Minnesota)
    Publication ID:
    P084488
    Publication Type:
    Paper
    Received Date:
    22-Jun-2015
    Last Edit Date:
    23-Jun-2015
    Research:
    1836.098 (University of Minnesota)

Abstract

A 0.7V low power low noise mixer first RF frontend for an IEEE 802.15.6 narrowband receiver is presented which uses passive coupling based frequency translated mutual noise cancellation. Unlike traditional noise canceling techniques we perform symmetrical noise cancellation of a fully differential structure where each path cancels the noise of the other at IF. This paper tackles the noise figure and power consumption problems of sub 1V mixers. The FOM is 10dB higher and power consumption is 194µW which is 0.5X lower than the state of the art. The LO power used is -14dBm.

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