Log domain filtering for RF applications

被引:81
作者
Frey, DR
机构
[1] EECS Department, Lehigh University, Bethlehem
[2] Lehigh University, Bethlehem, PA
[3] Bell Laboratories, Holmdel, NJ
关键词
D O I
10.1109/4.540057
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 new second-order log filter topology, which is particularly useful for RF signal processing, is introduced with a discussion of how its features meet the needs of RF design. The design concept behind log filters is reviewed. Simulation and experimental results on a test IC are presented for an electronically tunable filter which operates beyond 400 MHz, with Q's in excess of 60, using the AT&T CBIC-V2 process.
引用
收藏
页码:1468 / 1475
页数:8
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