0.18-μm CMOS Bluetooth analog receiver with -88-dBm sensitivity

Author

Hioe, Willy ; Maio, Kenji ; Oshima, Takashi ; Shibahara, Yoshiyuki ; Doi, Takeshi ; Ozaki, Kiyoharu ; Arayashiki, Satoshi

Author_Institution

Central Res. Lab., Hitachi Ltd., Tokyo, Japan

Volume

39

Issue

2

fYear

2004

Firstpage

374

Lastpage

377

Abstract

A CMOS Bluetooth analog low-IF receiver that includes a low-noise amplifier, image-rejection mixer, IF bandpass active filter, and programmable gain amplifier (PGA) was fabricated in a 0.18-μm bulk CMOS process. In order to achieve good sensitivity and tolerance against blocking signals, operational amplifiers were used in the active filter and PGA, the filter and PGA were interleaved to minimize noise, and an on-chip automatic tuner adjusts the filter frequency. Other features included a feedforward automatic gain control with rapid convergence. When connected to the digital demodulator of a BiCMOS Bluetooth transceiver, -88-dBm sensitivity was measured at 65-mW power dissipation. All blocking signal specifications were also satisfied.

Keywords

Bluetooth; CMOS analogue integrated circuits; active filters; automatic gain control; band-pass filters; programmable circuits; radio receivers; radiofrequency amplifiers; sensitivity analysis; transceivers; 0.18 micron; 65 mW; BiCMOS Bluetooth transceiver; CMOS Bluetooth analog receiver; IF bandpass active filter; IF systems; PGA; analog integrated circuits; blocking signals; bulk CMOS technology; digital demodulator; feedforward automatic gain control; filter frequency; image-rejection mixer; low-IF receiver; low-noise amplifier; noise minimization; on-chip automatic tuner; operational amplifiers; power dissipation; programmable gain amplifier; rapid convergence; sensitivity; transceivers; Active filters; Active noise reduction; Band pass filters; Bluetooth; CMOS image sensors; CMOS process; Electronics packaging; Low-noise amplifiers; Operational amplifiers; Tuners;

fLanguage

English

Journal_Title

Solid-State Circuits, IEEE Journal of

Publisher

ieee

ISSN

0018-9200

Type

jour

DOI

10.1109/JSSC.2003.821769

Filename

1263664