Abstract
AbstractThis paper presents a fully‐integrated RF transceiver operating from 860 to 930 MHz. The device parameters are compliant to the IEEE 802.15.4 standard. The analogue portion of the chip contains a direct‐conversion receiver, a fractional‐N PLL, a direct‐conversion transmitter and a TR‐switch. Digital baseband signal processing as well as MAC support are also implemented on the same chip. Only minimal external components are needed to form a complete wireless network application two low‐cost crystals, the PLL loop filter, an antenna and a low‐cost 8 bit microcontroller. Therefore, this chip is one of the most integrated 802.15.4 transceiver ICs presented to date. The receiver input sensitivity is −98 dBm. The chip is fabricated in a 0.25 μm CMOS technology with MIM‐capacitors, deep n‐well and a thick top metal layer. Copyright © 2005 AEIT.
Published Version
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