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3-to-5GHz 4-channel UWB beamforming transmitter with 1° phase resolution through calibrated vernier delay line in 0.13μm CMOS

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4 Author(s)
Lei Wang ; National University of Singapore, Singapore, Singapore ; Yong Xin Guo ; Yong Lian ; Chun Huat Heng

This work introduces a 3-to-5GHz UWB beamforming system spanning from -45° to 90° phase range with 1 ° phase resolution. The fine delay resolution is achieved through a Vernier delay line without the need of advanced technology. The delay is calibrated with a ΔΣ DLL.

Published in:

2012 IEEE International Solid-State Circuits Conference

Date of Conference:

19-23 Feb. 2012