A novel automatic attenuator with ultra-fast response time

IEICE Electronics Express

Xian-Hong Chen¹  Hui Liu¹  Ya-Tao Peng¹  Li-Jun Zhang² 

[1] Institute of Microelectronics of Chinese Academy of Sciences;University of Chinese Academy of Sciences

关键词: automatic attenuator;    RF;    ultra-wide band;    integration;    high speed;   

DOI  :  10.1587/elex.15.20171204

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

This paper presents a novel automatic attenuator with ultra-fast transient response time. The proposed automatic attenuator combines control generation and a digital attenuator together. The control generation chain consists of a RF envelope detector, voltage comparators and a logic circuit. The state of the digital attenuator is determined by the output control signals of the control generation chain. The chip is fabricated using HuaHong 0.18 um standard CMOS technology. Measured results are offered showing that the transient response time of the whole system is less than 10 ns in the ultra-wide operation frequency range of 1 GHz∼10 GHz.

【 授权许可】

CC BY