Varactor-tuned, active microwave band-pass filter

Chi-Yang Chang*, Tatsuo Itoh

*此作品的通信作者

研究成果: Conference article同行評審

18 引文 斯高帕斯(Scopus)

摘要

A microwave tunable high-Q active bandpass filter was developed using a varactor diode for tuning and a MESFET to provide negative resistance for increasing the tank circuit Q-value. Tuning ranges of 500 MHz for the one-pole filter and 430 MHz for the two-pole filter were achieved with a center frequency of 10 GHz. A 3-dB bandwidth of 20 MHz for the one-pole filter and 80 MHz for the two-pole filter was obtained. The passband insertion loss is typically 0 ± 1 dB.

原文English
頁(從 - 到)499-502
頁數4
期刊IEEE MTT-S International Microwave Symposium Digest
1
DOIs
出版狀態Published - 1 1月 1990
事件1990 IEEE MTT-S International Microwave Symposium Digest Part 1 (of 3) - Dallas, TX, USA
持續時間: 8 5月 199010 5月 1990

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