A 1-V 2.4-GHz Downconverter for FSK Wireless Applications with a Complex BPF and a Frequency Doubler in CMOS/SOI(<Special Section>Analog Circuit and Device Technologies)
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概要
- 論文の詳細を見る
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-μm 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 23mW 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.
- 社団法人電子情報通信学会の論文
- 2004-06-01
著者
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Kodate Junichi
Ntt Microsystem Integration Laboratories Ntt Corporation
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UGAJIN Mamoru
NTT Microsystem Integration Laboratories, NTT Corporation
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TSUKAHARA Tsuneo
NTT Microsystem Integration Laboratories, NTT Corporation
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Ugajin Mamoru
Ntt Microsystem Integration Laboratories Ntt Corporation
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Kodate J
Ntt Telecommunications Energy Laboratories
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Tsukahara T
Ntt Microsystem Integration Laboratories Ntt Corporation
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Tsukahara Tsuneo
Ntt Microsystem Integration Laboratories Ntt Corporation
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Kodate Junichi
Ntt Microsystem Integration Laboratories
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Kodate J
Ntt Microsystem Integration Laboratories Ntt Corporation
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Ugajin Mamoru
Ntt Microsystem Integration Laboratories
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