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A High Linearity and Wide Tuning Range Gm-C Filter

This thesis has described a wide tuning range transconductor combining source degeneration, cross-coupled, translinear loop to achieve high linearity. The transconductance tuning range from 220£gs to 1050£gs with 1V input range and the total harmonic distortion is -50dB with 0.6Vpp input voltage. And its application to a fifth-order elliptic low-pass Gm-C filter for the front-end RF circuit is presented. In order to transform the passive element circuit into a Gm-C based filter, a GIC flow method has been used. The proposal Gm-C based filter achieve a with performance a low frequency filtering range from 5Mhz to 10Mhz by transconductance tuning.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0824110-142310
Date24 August 2010
CreatorsChang, Yuan-Ming
ContributorsKo-Chi Kuo, Ko-Chi Kuo, Chia-Hsiung Kao, Shiann-Rong Kuang, Chia-Ling Wei
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageEnglish
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0824110-142310
Rightsnot_available, Copyright information available at source archive

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