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

Ping Hsing Lu; Chung-Yu Wu; Ming Kai Tsai

doi:10.1109/ISCAS.1994.409456

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

Department of Electronics Engineering

Research output: Contribution to journal › Conference article › peer-review

2 Scopus citations

Abstract

A new CMOS inverter-based wideband transresistance (R_m) amplifier is proposed and analyzed. Using the R_m amplifier, tunable VHF/UHF R_m-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 R_m amplifier. Experimental results have shown that the single-ended-output R_m-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 language	English
Pages (from-to)	649-652
Number of pages	4
Journal	Proceedings - IEEE International Symposium on Circuits and Systems
Volume	5
DOIs	https://doi.org/10.1109/ISCAS.1994.409456
State	Published - 1 Dec 1994
Event	Proceedings of the 1994 IEEE International Symposium on Circuits and Systems. Part 3 (of 6) - London, England Duration: 30 May 1994 → 2 Jun 1994

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10.1109/ISCAS.1994.409456

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@article{cf9d302394e3438a85e22944dcf74e5c,

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

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.",

author = "Lu, {Ping Hsing} and Chung-Yu Wu and Tsai, {Ming Kai}",

year = "1994",

month = dec,

day = "1",

doi = "10.1109/ISCAS.1994.409456",

language = "English",

volume = "5",

pages = "649--652",

journal = "Proceedings - IEEE International Symposium on Circuits and Systems",

issn = "0271-4310",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

note = "null ; Conference date: 30-05-1994 Through 02-06-1994",

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T1 - VHF/UHF high-Q bandpass tunable filters design using CMOS inverter-based transresistance amplifiers

AU - Lu, Ping Hsing

AU - Wu, Chung-Yu

AU - Tsai, Ming Kai

PY - 1994/12/1

Y1 - 1994/12/1

N2 - 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.

AB - 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.

UR - http://www.scopus.com/inward/record.url?scp=0028551992&partnerID=8YFLogxK

U2 - 10.1109/ISCAS.1994.409456

DO - 10.1109/ISCAS.1994.409456

M3 - Conference article

AN - SCOPUS:0028551992

VL - 5

SP - 649

EP - 652

JO - Proceedings - IEEE International Symposium on Circuits and Systems

JF - Proceedings - IEEE International Symposium on Circuits and Systems

SN - 0271-4310

Y2 - 30 May 1994 through 2 June 1994

ER -