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This paper presents the design of a fully integrated inductorless wideband RF front-end for wireless applications including WLAN, Bluetooth and UWB. The core of the circuit is comprised of a two stage LNA, followed by a standard Gilbert cell mixer and an output buffer for measurement purposes. The chip was fabricated in 65 nm standard CMOS process. The RX offers an input matching of better than -10...
This paper presents the design and implementation of a low-voltage down-conversion mixer in 65 nm CMOS technology for UWB applications. The folded circuit topology with AC-coupled inverter based RF transconductance stage operates under low voltage conditions of 1.2 V with a peak gain of 14.5 dB and a 3-dB-bandwidth from 1 GHz to 10.5 GHz with 1 dBm LO power. The input referred compression point is...
This paper presents fully differential up-and down-conversion mixers manufactured in a triple well 45 nm standard CMOS process for low voltage UWB TX and RX applications. The proposed circuits both employ the transistor bulk terminal for signal injection. While the RX mixer uses the bulk for switching via threshold voltage modulation, the TX mixer applies the baseband signal to the bulk. Both circuits...
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