0~21 GHz高精度宽带硅基数字衰减器设计 |
刘美杉,张为,郝东宁 |
Design of 0~21 GHz wideband silicon-based digital attenuator with high accuracy |
Mei-shan LIU,Wei ZHANG,Dong-ning HAO |
图 3 4 dB桥T衰减幅度响应及零、极点分布 |
Fig.3 Amplitude response and pole-zero distribution of 4 dB bridge-T cell |