Ultra broadband DC to 40 GHz 5-bit pHEMT MMIC digital attenuator

被引：0
|
作者：
Ju, Inkwon [1 ]
Noh, Youn-Sub [1 ]
Yom, In-Bok [1 ]
机构：
[1] ETRI, Global Area Wireless Technol Res Grp, Taejon 305350, South Korea
来源：
35TH EUROPEAN MICROWAVE CONFERENCE, VOLS 1-3, CONFERENCE PROCEEDINGS | 2005年
关键词：
D O I：
暂无
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 broadband, DC to 40 GHz 5-bit MMIC digital attenuator has been developed. The attenuator has been fabricated with 0.15 mu m GaAs pHEMT process. This attenuator has 1 dB resolution and 23 dB dynamic range. High attenuation accuracy has been achieved over all attenuation range and full 40 GHz bandwidth with the reference state insertion loss of less than 6 dB at 20 GHz. The input and output return losses of the attenuator are better than 14 dB over all attenuation states and frequencies.
引用
收藏
页码：995 / 998
页数：4
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