A Wideband I/Q RFD AC-Based Phase Modulator

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A Wideband I/Q RFD AC-Based Phase Modulator

Conference Paper (2018)

Author(s)

Yiyu Shen (TU Delft - Electronics)

Michael Polushkin (TU Delft - QN/Hanson Lab)

Mohammadreza Mehrpoo (TU Delft - OLD QCD/Charbon Lab)

Mohsen Hashemi (TU Delft - Electronics)

Earl Mc Cune Jr (TU Delft - Electronics)

Morteza S. Alavi (TU Delft - Electronics)

Leo C.N. de Vreede (TU Delft - Electronics)

Research Group

Electronics

DOI related publication

https://doi.org/10.1109/SIRF.2018.8304215

Wideband Harmonic rejection RFDAC Frequency-agile Phase modulator

To reference this document use:

https://resolver.tudelft.nl/uuid:cea26ef3-402e-48c6-bbd1-0c782c12ad55

More Info

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Publication Year

2018

Language

English

Abstract

A fully integrated RFDAC based phase modulator in 40nm bulk CMOS is presented. To boost in-band linearity and the frequency range of operation, a harmonic rejection RFDAC architecture that suppresses the 3^rd and 5^th harmonics is proposed. The achieved frequency agility of the phase modulator is verified over a 0.6-2.5GHz range yielding EVM of -34.5dB and -36dB for an 18Mb/s and 75Mb/s GMSK signals, respectively. The power consumption of the proposed phase modulator is 33 mW at 2.4GHz.

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