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A -70 dBm-Sensitivity 522 Mbps 0.19 nJ/bit-TX 0.43 nJ/bit-RX Transceiver for TransferJetTM SoC in 65 nm CMOS
Daisuke MIYASHITA Kenichi AGAWA Hirotsugu KAJIHARA Kenichi SAMI Ichiro SETO Ryuichi FUJIMOTO Yasuo UNEKAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
TransferJetTM, DSSS-UWB, root raised cosine filter, ISI,
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TransferJetTM is an emerging high-speed close-proximity wireless communication standard, which enables a data transfer up to 522 Mbps within a few centimeters range. We present a fully integrated TransferJet SoC with a 4.48-GHz operating frequency and a 560-MHz signal bandwidth using a 65 nm CMOS technology. Baseband filtering techniques for a transmitter (TX) and a receiver (RX) are proposed in order to handle the ultra-wide bandwidth with low power consumption and small area. A programmable power attenuator (PAT) for precise output power is also proposed in this paper. The SoC achieves energy efficiencies of 0.19 nJ/bit and 0.43 nJ/bit for the TX and the RX, respectively. The RX sensitivity of -70 dBm for 522 Mbps data rate and the TX error vector magnitude (EVM) of -31 dB are achieved.