An adaptive phase compensation technique for integrable gyrators

A new technique for providing stable, high quality factor Y-gyrators over a wide frequency range is presented. A compensating phase shift that tracks the gyrator's parasitic phase shift is adopted using voltage variable capacitors. The technique has been implemented in an ordinary semi-floating gyrator circuit where the useable frequency range was extended from 60 kHz to 220 kHz. Further, the low frequency Q-factor has been seen to be enchanged.<
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