IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Analog Circuits and Related SoC Integration Technologies
A 0.13µm CMOS Bluetooth EDR Transceiver with High Sensitivity over Wide Temperature Range and Immunity to Process Variation
Kenichi AGAWA, Shinichiro ISHIZUKA, Hideaki MAJIMA, Hiroyuki KOBAYASHI, Masayuki KOIZUMI, Takeshi NAGANO, Makoto ARAI, Yutaka SHIMIZU, Asuka MAKI, Go URAKAWA, Tadashi TERADA, Nobuyuki ITOH, Mototsugu HAMADA, Fumie FUJII, Tadamasa KATO, Sadayuki YOSHITOMI, Nobuaki OTSUKA
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Keywords: CMOS wireless transceiver, Bluetooth, sensitivity, temperature compensation, phase noise, VCO pulling, MOS switch, leakage current
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2010 Volume E93.C Issue 6 Pages 803-811

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Abstract

A 2.4GHz 0.13µm CMOS transceiver LSI, supporting Bluetooth V2.1 + enhanced data rate (EDR) standard, has achieved a high reception sensitivity and high-quality transmission signals between −40°C and +90°C. A low-IF receiver and direct-conversion transmitter architecture are employed. A temperature compensated receiver chain including a low-noise amplifier accomplishes a sensitivity of −90dBm at frequency shift keying modulation even in the worst environmental condition. Design optimization of phase noise in a local oscillator and linearity of a power amplifier improves transmission signals and enables them to meet Bluetooth radio specifications. Fabrication in scaled 0.13µm CMOS and operation at a low supply voltage of 1.5V result in small area and low power consumption.

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© 2010 The Institute of Electronics, Information and Communication Engineers
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