A 2.4 GHz reference-less wireless receiver for 1Mbps QPSK demodulation

Author

Chen, Wei-Zen ; Ou, Wei-Wen ; Lu, Tai-You ; Chou, Shun-Tien ; Yang, Song-Yu

Author_Institution

Dept. of Electron. Eng., Nat. Chiao-Tung Univ., Hsinchu, Taiwan

fYear

2010

fDate

May 30 2010-June 2 2010

Firstpage

1627

Lastpage

1630

Abstract

A 2.4 GHz reference-less single chip wireless receiver for 1 Mbps QPSK demodulation is presented. The receiver accomplishes LO carrier recovery and data demodulation directly from the received RF signal without resort to resonator based reference, such as crystal oscillator. Integrating LNA, mixer, LO carrier recovery loop, post amplifier, and digital demodulator on a single chip, the total power consumption is 20.4 mW. The measured phase noise from a recovered carrier at 2.432 GHz is about -112 dBc/Hz at 1 MHz offset. The chip size is 1.75 × 1.55 mm².

Keywords

crystal oscillators; demodulation; low noise amplifiers; quadrature phase shift keying; radio receivers; wireless sensor networks; LNA; LO carrier recovery; QPSK demodulation; bit rate 1 Mbit/s; crystal oscillator; data demodulation; digital demodulator; frequency 2.4 GHz; power 20.4 mW; received RF signal; wireless receiver; Demodulation; Energy consumption; Noise measurement; Oscillators; Phase measurement; Phase noise; Power amplifiers; Quadrature phase shift keying; Radiofrequency amplifiers; Semiconductor device measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems (ISCAS), Proceedings of 2010 IEEE International Symposium on

Conference_Location

Paris

Print_ISBN

978-1-4244-5308-5

Electronic_ISBN

978-1-4244-5309-2

Type

conf

DOI

10.1109/ISCAS.2010.5537460

Filename

5537460