Wide-tuning-range Dual-VCOs for cable modem receivers

被引：1
|
作者：
Stadius, K [1 ]
Halonen, K [1 ]
机构：
[1] Aalto Univ, Elect Circuit Design Lab, Helsinki 02015, Finland
来源：
2002 IEEE RADIO FREQUENCY INTEGRATED CIRCUITS (RFIC) SYMPOSIUM, DIGEST OF PAPERS | 2002年
关键词：
D O I：
10.1109/RFIC.2002.1012094
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 double-conversion receiver for cable modem applications requires a wide-tuning-range VCO with low phase noise characteristics for the first LO generation. Achieving simultaneously low phase noise and large tuning range from a monolithic VCO is an exceptionally challenging task. The design aspects of wideband monolithic LC-VCO are tackled in this paper with the boundaries set by a 0.9-mum SiGe HBT technology. Two dual-VCO implementations are presented and a method for buffering the VCO signal without loading the LC-resonator is proposed. Both simulation and experimental results are given.
引用
收藏
页码：471 / 474
页数：4
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