Journal ArticleDOI
Active-phase-compensated biquadratic highpass filter
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TLDR
In this paper, a three-amplifier active-phase-compensated biquadratic high-pass filter is presented, which exhibits a stable Q-factor and feedforward paths are not required.Abstract:
A new three-amplifier active-phase-compensated biquadratic highpass filter is presented. It is shown that for the matched amplifiers the circuit exhibits a stable Q-factor and, unlike the Akerberg and Mossberg highpass circuit, feedforward paths are not required.read more
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Patent
Active-RC filter with compensation to reduce Q enhancement
TL;DR: In this paper, an active filter with compensation to reduce Q-enhancement is described. But the compensation resistors may each have a value that results in the biquad filter having substantially zero Qenhancements.