A 1-V 2.4-GHz downconverter for FSK wireless applications with a complex BPF and a frequency doubler in CMOS/SOI

被引：0
|
作者：
Ugajin, M [1 ]
Kodate, J [1 ]
Tsukahara, T [1 ]
机构：
[1] NTT Corp, NTT Microsyst Integrat Labs, Atsugi, Kanagawa 2430198, Japan
来源：
IEICE TRANSACTIONS ON ELECTRONICS | 2004年 / E87C卷 / 06期
关键词：
RF; FSK downconverter; CMOS; SOI; complex BPF; frequency doubler;
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：
This paper describes a 2.4-GHz downconverter that runs on a 1-V supply. The downconverter integrates an LNA, a quadrature mixer, a complex channel-select band-pass filter (BPF), a limiting amplifier, and a frequency doubler using 0.2-mum CMOS/SOI technology. The frequency doubler doubles the frequency deviation of FM signals as well as the frequency itself, which in turn doubles the modulation index. This improves the sensitivity of FM demodulation. The power consumption of the downconverter is 23 mW with a 1-V power supply. A bit-error-rate (BER) measurement using the downconverter and a demodulation IC shows -76.5-dBm sensitivity at a 0.1% BER.
引用
收藏
页码：888 / 894
页数：7
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