Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12569
Title: Sensitivity improved ZigBee RF receiver for a medical sensor
Authors: Lee, WC 
Ng, J
Yeung, LF
Keywords: LNA
Mixer
Receiver
Telemedicine
VCO
Wireless Sensor Network
ZigBee
Issue Date: 2013
Publisher: IEEE
Source: IECON 2013-39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013-39th Annual Conference of the IEEE, 10-13 November 2013, Vienna, p. 8447-8453 How to cite?
Abstract: In this paper, a ZigBee based telemedicine monitoring system is presented with a 2.4 GHz ISM band sensitivity improved low-IF receiver for ZigBee sensor nodes. The receiver implemented is in 0.18 μm 1P6M RF CMOS process. The circuit is formed by a single-end dual band Low Noise Amplifier (LNA) that enhances the sensitivity of the ZigBee receiver by several dB - a key factor that extends the receiver range, a quadrature high gain and low noise current bleeding mixer and a quadrature parallel-coupled voltage-controlled oscillator (VCO). The receiver operates in the 2.4 GHz ISM band and complies with IEEE 802.15.4 (ZigBee) specifications. The circuit exhibits a low noise figure of 2.27 dB and dissipates only 14.6 mW with a 1.2 V supply voltage. This high sensitivity RF receiver is highly suitable for Telemedicine Monitoring System.
URI: http://hdl.handle.net/10397/12569
ISBN: 
ISSN: 1553-572X
DOI: 10.1109/IECON.2013.6700550
Appears in Collections:Conference Paper

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