An injection-locked frequency doubler with improved odd-order spur suppression

被引：0

作者：

Liu, Bangan ^{[1
]}

Diao, Shengxi ^{[1
]}

Lin, Fujiang ^{[1
]}

机构：

[1] USTC, Dept Elect Sci & Technol, Hefei 230027, Peoples R China

来源：

2014 IEEE INTERNATIONAL WIRELESS SYMPOSIUM (IWS) | 2014年

关键词：

injection locked frequency doubler; frequency multiplier; injection locking; high-purity signal generation;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a novel injection-locked frequency doubler (IUD) with good odd-order harmonic rejection ratio (HRR). By utilizing a pair of complementary input signals, the odd-order harmonics are cancelled out effectively after current summation, leaving the even-order harmonic components unaffected. This technique is easy to implement, effective, frequency-independent, and suitable for wide-band operation. Theoretically all the odd-order HRRs could be improved simultaneously. As a concept design, a 7 Wiz ILFD is implemented in 180nm CMOS process. From post-layout simulation, odd-order HRRs achieved improvements of more than 30 dB.

引用

页数：4

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