IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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A new CMOS all-pass phase shifter for phased array systems
Ali MohammadiAhmad AyatollahiAdib Abrishamifar
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2009 Volume 6 Issue 8 Pages 504-510

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Abstract

A new tunable all-pass phase shifter architecture based on current mirror, with low complexity and power consumption is proposed in 0.18um CMOS, after a brief introduction on phase shifter applications. In the new current-mode approach the cut-off frequency of transistor is the operational limit of the proposed phase-shifter architecture and power consumption for this design is 80 microwatts. Simulations are carried out in HSpice and cover a frequency range from 1MHz to about 50GHz.

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© 2009 by The Institute of Electronics, Information and Communication Engineers
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