Low-Power RF Transceiver for IEEE 802.15.4 (ZigBee) Standard Applications

A complete 2.4 GHz ultra low-power RF transceiver for IEEE 802.15.4 standard (ZigBee) applications is reported. The circuits have been designed by using a low-cost 0.35 mum BiCMOS standard technology. The receiver, which consists of a LNA and I/Q mixers, exhibits a noise figure of 8.7 dB, a voltage gain of 26 dB, an input-referred third-order intercept point of -13 dBm and a power consumption of 8.6 mW on a 1.8 V power supply. The transmitter, which consists of I/Q mixers and a two stage power amplifier, provides an output power up to +6 dBm and a power consumption of 16 mW with a 1.8 V power supply.

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