Ultra Low-Power Digital Demodulators for Short Range Applications

被引：0

作者：

Yuce, Mehmet R. ^{[1
]}

Tekin, Ahmet ^{[2
]}

机构：

[1] Univ Newcastle, Dept Elect Engn, Callaghan, NSW 2308, Australia

[2] Univ Calif Santa Cruz, Dept Elect & Comp Engn, Santa Cruz, CA 95064 USA

来源：

2006 IEEE 63RD VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6 | 2006年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper we present extremely flexible and low power digital binary ASK, PSK, and FSK demodulator architectures for short-range applications that use limiter amplifier (i.e. high gain comparator) at front-end. Limiter amplifier can be used at the front-end when the SNR of the received signal is high. This technique converts the analog signal to digital via one bit processing and eliminates mixers, PLL and AGC devices or replaces them with very low power digital counterparts. The rest of circuit is then implemented using digital signal processing (DSP) technique. Detailed system analysis of such demodulators are carried out in this paper. In addition, some new low-size and low-power modulators/demodulators will also be described and analyzed for low-power short-range applications.

引用

页码：2280 / +

页数：2

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