Low Noise Amplifiers for Low-Power Impulse-Radio Ultra Wide-Band Receivers
2006
In this paper, two different Low Noise Amplifiers (LNA) for Impulse-Radio (IR) Ultra-Wideband (UWB) receivers are presented. They have been designed in a 0.18 ?m CMOS process, with a central frequency of 8 GHz and about 1 GHz bandwidth. The applications considered are portable applications for very short communication distances (Body Area Networks, BAN) with bit rates up to 200 Mbps. Therefore, a crucial goal to achieve when designing the LNAs was power dissipation. In order to get very low power consumption, ON/OFF switching technique has been implemented. Both LNAs are presented and analyzed, comparing their performances with state of the art LNAs.
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