VHF/UHF high-Q bandpass tunable filters design using CMOS inverter-based transresistance amplifiers

Ping Hsing Lu*, Chung-Yu Wu, Ming Kai Tsai

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

A new CMOS inverter-based wideband transresistance (Rm) amplifier is proposed and analyzed. Using the Rm amplifier, tunable VHF/UHF Rm-C bandpass biquadratic filters can be designed. In these filters, the center frequency f0 can be post-tuned by adjusting the control voltages of the Rm amplifier. Experimental results have shown that the single-ended-output Rm-C bandpass biquad with the center frequency f0 = 368 MHz and the quality factor Q = 1.195 whereas the fully-differential-output configuration with Q = 360 and f0 = 222.7 MHz.

Original languageEnglish
Pages (from-to)649-652
Number of pages4
JournalProceedings - IEEE International Symposium on Circuits and Systems
Volume5
DOIs
StatePublished - 1 Dec 1994
EventProceedings of the 1994 IEEE International Symposium on Circuits and Systems. Part 3 (of 6) - London, England
Duration: 30 May 19942 Jun 1994

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