A 2.5-GHz 860μW charge-recycling fractional-N frequency synthesizer in 130nm CMOS
被引:0
作者:
Park, Dongmin
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机构:
Korea Adv Inst Sci & Technol, Taejon 305701, South KoreaKorea Adv Inst Sci & Technol, Taejon 305701, South Korea
Park, Dongmin
[1
]
Lee, Woojae
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机构:
Korea Adv Inst Sci & Technol, Taejon 305701, South KoreaKorea Adv Inst Sci & Technol, Taejon 305701, South Korea
Lee, Woojae
[1
]
Jeon, Sehyung
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机构:
Korea Adv Inst Sci & Technol, Taejon 305701, South KoreaKorea Adv Inst Sci & Technol, Taejon 305701, South Korea
Jeon, Sehyung
[1
]
Cho, SeongHwan
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h-index: 0
机构:
Korea Adv Inst Sci & Technol, Taejon 305701, South KoreaKorea Adv Inst Sci & Technol, Taejon 305701, South Korea
Cho, SeongHwan
[1
]
机构:
[1] Korea Adv Inst Sci & Technol, Taejon 305701, South Korea
来源:
2008 IEEE SYMPOSIUM ON VLSI CIRCUITS
|
2008年
关键词:
frequency synthesizer;
fractional;
PLL;
low power;
charge recycling;
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:
A 1.2V 2.5GHz 860 mu W firactional-N synthesizer is implemented in 130nm CMOS. It employs charge recycling technique for implicit DC-DC conversion without using any voltage regulators, and achieves -77dBr-/Hz and -113.5dBc/Hz of phase noise at 100kHz and 1MHz offset, respectively. Self-biased divider and VCO enables robust operation of the proposed circuit.