Title :
Design of a CMOS UWB receiver front-end with noise-cancellation and current-reuse
Author :
Shi, Bo ; Chia, Michael Yan Wah
Author_Institution :
Inst. for Infocomm Res., A*STAR, Singapore, Singapore
Abstract :
The design of an ultra-wideband (UWB) CMOS receiver front-end that integrates a broadband single-ended low-noise amplifier (LNA) and a quadrature downconversion balun-mixer is presented. Noise-canceling technique is employed in the LNA to decouple input match from noise figure (NF). To be directly driven by the LNA, the balun-mixer has a single-ended input double-balanced topology. For low power consumption, both the LNA buffer and the active balun are embedded in the mixer design with bias current reused. Drawing 21 mA from 1.5V, the receiver front-end simulates a voltage conversion gain of 29 dB with an input IP3 of -14 dBm. Over the 3.1-10.6 GHz UWB band, an NF of 4-5.1 dB and an S11 <;-10 dB are obtained.
Keywords :
CMOS digital integrated circuits; baluns; buffer circuits; interference suppression; low noise amplifiers; mixers (circuits); radio receivers; ultra wideband communication; CMOS UWB receiver front-end; LNA buffer; bandwidth 3.1 GHz to 10.6 GHz; broadband single-ended low-noise amplifier; current 21 mA; current-reuse; gain 29 dB; noise figure; noise figure 4 dB to 5.1 dB; noise-cancellation; quadrature downconversion balun-mixer; single-ended input double-balanced topology; voltage 1.5 V; CMOS integrated circuits; Gain; Impedance matching; Mixers; Noise; Noise measurement; Receivers; CMOS; RF integrated circuit; active balun; current reuse; front-end; low-noise amplifier (LNA); mixer; noise cancellation; receiver; ultra-wideband (UWB);
Conference_Titel :
Ultra-Wideband (ICUWB), 2010 IEEE International Conference on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-5305-4
Electronic_ISBN :
978-1-4244-5306-1
DOI :
10.1109/ICUWB.2010.5614618
