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System design considerations of highly-integrated DAB receiver RF front-end

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3 Author(s)
Su, H.W. ; Inst. of Microelectronics, Tsinghua Univ., Beijing, China ; Chi, B.Y. ; Wang, Z.H.

Nowadays the design of highly integrated single-chip digital audio broadcasting (DAB) receiver RF front-ends with excellent performance is very demanding and is still challenging. This paper presents a number of system issues and design considerations, which are involved in the design of such a front-end from the system point of view. These considerations include the proper choice of receiver front-end architecture, selection of intermediate frequency (IF) and local oscillator (LO) tuning range and their trade-offs, and critical system performance issues including sensitivity, noise figure, adjacent channel rejection, image rejection, dynamic range and AGC operation, carrier frequency offset, LO phase noise, non-linearities and selectivity and carrier to noise ratio (C/N). The main characteristics and performance of several reported DAB front-end ICs are tabulated.

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Consumer Electronics, IEEE Transactions on  (Volume:51 ,  Issue: 4 )