A 4 GHz fractional-N frequency synthesizer

被引：0
|
作者：
Ahola, R [1 ]
Halonen, K [1 ]
机构：
[1] Helsinki Univ Technol, Elect Circuit Design Lab, FIN-02015 HUT, Finland
来源：
ICECS 2000: 7TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS & SYSTEMS, VOLS I AND II | 2000年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A 4 GHz fractional-N frequency synthesizer for telecommunications applications is presented. The synthesizer includes a multiple-modulus ECL prescaler capable of operating at input frequencies of up to 4.3 GHz with a power dissipation of 17.6 mW, a third-order MASH - modulator that controls the modulus of the prescaler, and a phase detector and chargepump that doesn't suffer from dead-zone problems. The synthesizer achieves a close-in phase noise of -66 dBc/Hz while dissipating only 27.7 mW from a 2.7 V supply. The synthesizer has been implemented in a 0.35 m BiCMOS technology.
引用
收藏
页码：239 / 242
页数：4
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