Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 1

Search results for: IEEE 802.15.4(ZigBee)

1 A Direct Down-conversion Receiver for Low-power Wireless Sensor Networks

Authors: Gianluca Cornetta, Abdellah Touhafi, David J. Santos, Jose Manuel Vazquez

Abstract:

A direct downconversion receiver implemented in 0.13 μm 1P8M process is presented. The circuit is formed by a single-end LNA, an active balun for conversion into balanced mode, a quadrature double-balanced passive switch mixer and a quadrature voltage-controlled oscillator. The receiver operates in the 2.4 GHz ISM band and complies with IEEE 802.15.4 (ZigBee) specifications. The circuit exhibits a very low noise figure of only 2.27 dB and dissipates only 14.6 mW with a 1.2 V supply voltage and is hence suitable for low-power applications.

Keywords: VCO, LNA, Active Balun, Passive Mixer, IEEE 802.15.4(ZigBee)

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