Shinichi Hori, Noriaki Matsuno, Tadashi Maeda, Hikaru Hida. Low-Power Widely Tunable Gm-C Filter Employing an Adaptive DC-blocking, Triode-Biased MOSFET Transconductor. IEEE Trans. on Circuits and Systems, 61-I(1):37-47, 2014. [doi]
Abstract is missing.