A 2.4-GHz PLL Synthesizer for a 1-V Bluetooth RF Transceiver(<Special Section>Analog Circuit and Device Technologies)
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概要
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A 1-V 2.4-GHz-band fully monolithic PLL synthesizer was fabricated in 0.2-μm CMOS/SOI process technology. It includes a voltage-controlled oscillator (VCO) and a 3-GHz fully differential dual-modulus prescaler on a chip. A low-off-leakage-current charge pump is used for open-loop FSK modulation. When the PLL is in the open loop mode, the frequency drift of the output is lower than 2.5 Hz/μsec. The output phase noise is -104dBc/Hz at 1-MHz offset frequency. The power consumption of the PLL-IC core is 17mW at 1-V supply voltage. This PLL synthesizer is suitable for a 1-V Bluetooth RF transceiver LSI.
- 2004-06-01
著者
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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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YAMAGISHI Akihiro
NTT Microsystem Integration Laboratories, NTT Corporation
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Tsukahara Tsuneo
Ntt Microsystem Integration Laboratories Ntt Corporation
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Yamagishi Akihiro
Ntt Microsystem Integration Laboratories Ntt Corporation
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Ugajin Mamoru
Ntt Microsystem Integration Laboratories
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