Title :
A multi-mode software-defined CMOS BPSK receiver SoC for the newly enhanced WWVB atomic clock broadcast
Author :
Eliezer, O. ; Jung, TaeYong ; Lobo, Ryan ; Appel, Michael ; Liang, Yun ; Robbins, D. ; Nelsen, P. ; Islam, Z.
Author_Institution :
Xtendwave, Dallas, TX, USA
Abstract :
The first receiver system-on-chip (SoC) for the newly enhanced phase-modulation based WWVB broadcast is presented. Having an extensively digital architecture, and relying on the new features of the broadcast, it demonstrates 2-3 orders of receiver sensitivity superiority when compared to receiver ICs designed for the legacy WWVB broadcast. To allow for robust reception at very low signal levels, as well as in proximity to the station, it accommodates a dynamic range of over 130dB, representing the widest dynamic range found in any consumer-market receiver IC. The SoC is implemented in a 180nm CMOS process and has a die size of about 7mm2.
Keywords :
CMOS digital integrated circuits; atomic clocks; radio receivers; software radio; system-on-chip; CMOS process; consumer-market receiver IC; die size; digital architecture; enhanced WWVB atomic clock broadcast; enhanced phase-modulation based WWVB broadcast; multimode software-defined CMOS BPSK receiver SoC; receiver ICs; receiver sensitivity superiority; receiver system-on-chip; signal levels; size 180 nm; Attenuation; CMOS integrated circuits; Receiving antennas; Sensitivity; System-on-chip; WWVB; atomic clock; radio controlled clock (RCC); software defined radio (SDR); synchronization;
Conference_Titel :
Radio Frequency Integrated Circuits Symposium, 2014 IEEE
Conference_Location :
Tampa, FL
Print_ISBN :
978-1-4799-3862-9
DOI :
10.1109/RFIC.2014.6851748