1. Active elements for analog signal processing: Classification, review, and new proposals;Biolek;Radioengineering,2008
2. Electronically tunable current mode biquad filter based on single VDTA and grounded passive elements;Shankar;Int. J. Eng. Tech. (IJET),2017
3. Floating active inductor based Class-C VCO with 8 digitally tuned sub-bands;Mehra;Int. J. Electron. Commun. (AEU),2018
4. New simple CMOS realization of voltage difference transconductance amplifier and its RF filter application;Yesil;Radioengineering,2011
5. VDTA based electronically tunable voltage- mode and trans-admittance biquad filter;Gupta;Circuits Systems,2015