Hans Voorman, Hugo Veenstra. Tunable high-frequency Gm-C filters. J. Solid-State Circuits, 35(8):1097-1108, 2000. [doi]
@article{VoormanV00, title = {Tunable high-frequency Gm-C filters}, author = {Hans Voorman and Hugo Veenstra}, year = {2000}, doi = {10.1109/4.859498}, url = {https://doi.org/10.1109/4.859498}, researchr = {https://researchr.org/publication/VoormanV00}, cites = {0}, citedby = {0}, journal = {J. Solid-State Circuits}, volume = {35}, number = {8}, pages = {1097-1108}, }