Electronically Tunable Allpass Filter Using Voltage Variable Inductor and Linear VCO Design

References

• R. Nandi, K. Mathur, and P. Venkateswaran, “Quadrature voltage control oscillator with a linear tuning law,” IET Circuits Devices Syst., Vol. 12, no. 2, pp. 157–63, 2018. DOI:10.1049/iet-cds.2017.0251.
   Web of Science ®Google Scholar
• Analog Devices Datasheet, AD-835 & AD-534-250MHZ 4-quadrant voltage multiplier. File # D00883-0-12/14(E), Feb. 2017.
   Google Scholar
• R. Nandi, K. Mathur, and S. Pattanayak, “Single-CFA first order allpass filter,” IEICE Electron. Express, Vol. 13, pp. 1–8, 2016. DOI:10.1587/elex13.20151039.
   Google Scholar
• A. U. Keskin, K. Pal, and E. Hancioglu, “Resistorless first-order all-pass filter with electronic tuning,” Int. J. Electron. Commun. (AEU), Vol. 62, pp. 304–6, 2008.
   Web of Science ®Google Scholar
• S. Oztayfun, S. Kilinc, A. Celebi, and U. Cam, “A new electronically tunable phase shifter employing current-controlled current conveyors,” Int. J. Electron. Commun. (AEU), Vol. 62, pp. 228–31, 2008.
   Web of Science ®Google Scholar
• D. Biolek and V. Bialkova, “First order voltage mode allpass filter employing one active element and one grounded capacitor,” Analog Intgr. Circt. Sig. Proc., Vol. 65, pp. 123–9, 2010. DOI:10.1016/j.aeue.2007.03.012.
   Web of Science ®Google Scholar
• W. Tangsrirat, T. Pukkalanun, and W. Surakampontorn, “Resistorless realization of current-mode first-order allpass filter using current differencing transconductance amplifiers,” Microelectron. J., Vol. 41, pp. 178–83, 2010. DOI:10.1016/j.mejo.2010.02.001.
   Web of Science ®Google Scholar
• T. Tsukutani, H. Tsunetsugu, Y. Sumi, and N. Yabuki, “Electronically tunable first-order all-pass circuit employing DVCC and OTA,” Int. J. Electron., Vol. 97, no. 3, pp. 285–93, 2010. DOI:10.1080/00207210903289409.
   Web of Science ®Google Scholar
• N. Herencsar, S. Minaei, J. Koton, E. Yuce, and K. Vrba, “New resistorless and electronically tunable realization of dual-ouput VM allpass filter using VDIBA,” Analog. Integr. Circuits. Signal. Process., Vol. 74, pp. 141–54, 2013.
   Web of Science ®Google Scholar
• S. J. G. Gift and B. Maundy, “Improving the bandwidth gain-independence and accuracy of the current feedback amplifier,” IEEE Trans. CAS (II) Expess. Brief, Vol. 52, pp. 136–9, 2005. DOI:10.1109/TCSII.2004.842043.
   Google Scholar
• A. A. Tammam, K. Hayatleh, S. Barker, and N. Terzopoulos, “Theoretical study of the circuit architecture of the basic CFOA and testing techniques,” Int. J. Electron., Vol. 103, pp. 1475–97, 2016.
   Web of Science ®Google Scholar
• Macromodel of AD-844 AN in PSPICE Library. Irvine: Microsym Corpn., 1992.
   Google Scholar
• Y. S. Hwang, W. H. Liu, and J. J. Chen, “New building block: Multiplication-mode current conveyor,” IET Circuits Dev. Syst., Vol. 3, pp. 41–8, 2009.
   Web of Science ®Google Scholar
• K. Mathur, S. Pattanayak, and R. Nandi, “Electronically tunable dual-input integrator: synthetic immittance function realizability,” IETE J. Res., 1–6, 2017. DOI:10.1080/03772063.2017.1304287.
   Web of Science ®Google Scholar
• F. Khateb, W. Jaikla, D. Kubanek, and N. K. Khatib, “Electronically tunable voltage mode quadrarture oscillator based on high performance CCCDBA,” J. Analog. Integr. Circt. Sig. Proc., Vol. 74, pp. 499–505, 2013.
   Web of Science ®Google Scholar
• H. P. Chen, Y. S. Hwang, and Y. T. Ku, “A new resistorless and electronic tunable third-order quadrature oscillator with current and voltage outputs,” IETE Tech. Rev., 2017. DOI:10.1080/02564602.2017.1324329.
   Web of Science ®Google Scholar
• W. Sa-Ngiamvibool and A. Jantakun, “Quadrature oscillator using CCCCTAs and grounded capacitors with amplitude controllability,” Int. J. Electron., Vol. 101, pp. 1737–58, 2014.
   Web of Science ®Google Scholar
• Y. Li, “Derivation of current-mode Wien oscillators using CCCCTAs,” Analog. Integr. Circt. Sig. Proc., Vol. 84, pp. 479–90, 2015.
   Web of Science ®Google Scholar
• H. Alpaslan, “A modified VDVTA and its applications to floating simulators and a quadrature oscillator,” Microelectron. J., Vol. 51, pp. 1–14, 2016.
   Web of Science ®Google Scholar
• U. L. Rohde and A. K. Poddar, “Multi-mode multi-band tunable active inductor oscillators,” in Joint Conference of the IEEE International Frequency Control and the European Frequency and Time Forum (FCS) Proc., USA, 2011, pp. 1–6.
   Google Scholar
• U. L. Rohde and A. K. Poddar, “Active inductor oscillator and noise dynamics,” in IEEE MTT-S International Microwave Symposium, USA, Jun. 2011, pp. 1–4.
   Google Scholar
• U. L. Rohde and A. K. Poddar, “Tunable Active Inductor offers integrable and cost-effective alternatives of varactor-tuned VCOs,” in IEEE International Frequency Control Symposium Joint with the 22nd European Frequency and Time Forum (EFTFIFCS), France, Jul. 2009, pp. 962–7.
   Google Scholar
• U. L. Rohde and A. K. Poddar, “Impact of device scaling on phase noise in SiGe HBTs tunable active inductor oscillators (TAIOs),” in German Microwave Conference Digest of Papers, Germany, Mar. 2010.
   Google Scholar