Abstract
In this paper, a reconfigurable, highly linear, active-Gm-C filter exhibiting a wide bandwidth is presented. The filter uses a new high-frequency, linear operational transconductance amplifier. The operational amplifiers used are based on two new crosscoupled pairs with flipped voltage followers(FVF) that allows optimized high linear, high frequency filter performance. A 3 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">rd</sup> filter prototype has been fabricated in 0.18um CMOS process. Simulated results show the filter is tunable in frequency from about 150KHz to 23MHz, and it exhibits < -44dB total harmonic distortion at 150KHz ~ 23MHz while the DC maximum power consumes 18mW.
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