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OTA-C  & Continouous-Time Filters Journal Papers

bulletR. L. Geiger and E. Sánchez-Sinencio, ``Active Filter Design Using Operational Trans-conductance Amplifiers: A Tutorial,'' IEEE Circuits and Devices Magazine, Vol 1, pp. 20-32, March 1985.
bulletJ. Silva-Martínez and E. Sánchez-Sinencio, ``Analogue OTA Multiplier without Input Voltage Swing Restrictions and Temperature Compensated,'' Electronics Letters, Vol. 22, pp. 599-600, May 1986.
bulletE. Sánchez-Sinencio, R. L. Geiger and H. Nevárez-Lozano, ``Generation of Continuous-Time Two Integrator Loop OTA-C Filter Structures,'' IEEE Trans. on Circuits and Systems, Vol. 35, pp.936-946, August 1988.
bulletB. Linares-Barranco, A. Rodríguez-Vázquez, E. Sánchez-Sinencio and J. L. Huertas, ``A 10 MHz CMOS OTA-C Voltage Controlled Quadrature Oscillator,'' Electronics Letters, Vol. 25, pp. 765-767, 8 June 1989.
bulletE. Sánchez-Sinencio, J. Ramírez-Angulo, B. Linares-Barranco, and A. Rodríguez-Vázquez, ``Operational Transconductance Amplifier - Based Non-Linear Function Syntheses,'' IEEE J. Solid-State Circuits, Special Issue on Analog Circuits, Vol. 24, pp. 1576-1586, December 1989.
bulletA. Rodríguez-Vázquez, B. Linares-Barranco, J. L. Huertas and E. Sánchez-Sinencio, ``On the Design of Voltage Controlled Sinusoidal Oscillators Using OTA's,'' IEEE Trans. on Circuits and Systems, Vol. 37, pp. 198-211, February, 1990.
bulletJ. Ramírez-Angulo and E. Sánchez-Sinencio, ``Active Compensation of Operational Transconductance Amplifier Filters Using Partial Positive Feedback,'' IEEE J. Solid-State Circuits, Vol. 25, pp. 1024-1028, August 1990.
bulletB. Linares-Barranco, A. Rodríguez-Vázquez, E. Sánchez-Sinencio and J. L. Huertas, ``CMOS OTA-C High-Frequency Sinusoidal Oscillators,'' IEEE J. Solid-State Circuits, Vol. 26, pp. 160-165, February 1991.
bulletH. Nevárez-Lozano and E. Sánchez-Sinencio, ``On Minimum Parasitic Effects Biquadratic OTA-C Filter Architectures'', Analog Integrated Circuits and Signal Processing, (invited paper), Vol. 1, No. 4, pp. 297-319, Kluwer Academic Publishers, December 1991.
bulletB. Linares-Barranco, E. Sánchez-Sinencio, A. Rodríguez-Vázquez and J.L. Huertas, ``A Modular T-Mode Design Approach for Analog Neural Network Hardware Implementations,'' IEEE J. Solid-State Circuits, Vol. 27, No. 5, pp. 701-712, May 1992.
bulletS. Sakurai, M. Ismail, J.Y. Michel, E. Sánchez-Sinencio and R. Brannen, "A MOSFET-C Variable Equalizer Circuit with Simple On-Chip Automation Tuning," IEEE J. Solid-State Circuits, Vol. 27, No. 6, pp. 927-934, June 1992.
bulletJ. Ramírez-Angulo, and E. Sánchez-Sinencio, ``Programmable BiCMOS Transconductor for C-TA Filters,'' Electronics Letters, Vol. 28, pp. 1185-1187, June 18, 1992.
bulletB. Linares-Barranco, A. Rodríguez-Vázquez, E. Sánchez-Sinencio and J. Huertas, ``On the Generation, Design and Tuning of OTA-C High-Frequency Sinusoidal Oscillators,'' IEE Proceedings-G Electronic Circuits and Systems, Vol. 39, pp. 557-568, October 1992.
bulletM.I. Ali, M. Howe, E. Sánchez-Sinencio and J. Ramírez-Angulo, ``A BiCMOS Low Distortion Tunable OTA for Continuous-Time Filters,'' IEEE Trans. on Circuits and Systems, Vol. 40, CAS-I, pp. 43-49, January 1993.
bulletM.R. Kobe, E. Sánchez-Sinencio and J. Ramírez-Angulo, ``OTA-C Biquad-Based Filter Silicon Compiler,'' Analog Integrated Circuits and Signal Processing (Special Issue on Computer-Aided Design of Analog Circuits and Systems), Vol. 3, pp. 243-258, Kluwer Academic Publishers, May 1993.
bulletJ. Ramírez-Angulo, E. Sánchez-Sinencio, ``High Frequency Compensated Current-Mode Ladder Filters Using Multiple Output OTAs,'' IEEE Trans. on Circuits and Systems-II: Analog and Digital Signal Processing, Vol. 41, No. 9, pp. 581-586, September 1994.
bulletJ. Ramírez-Angulo, E. Sánchez-Sinencio, M. Howe, ``Large Second Order Filters Using Multiple Output OTAS,'' IEEE Trans. on Circuits and Systems-II:, Vol. 41, No. 9, pp. 587-592, September 1994. 
bulletL. Niño de Rivera, H. Pérez-Meana and E. Sánchez-Sinencio, " A continuous LMS Adaptive Filter Structure," J. of Signal   Processing, Vol. 2, pp. 309-317, July 1998.
bulletJ.M. Stevenson, and E. Sánchez-Sinencio, “An Accurate Quality Factor Tuning Scheme for IF and High-Q Continuous-Time Filters,” IEEE J. Solid-State Circuits, Vol. 33, pp. 1970-1978, December 1998.
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G. Han and E. Sánchez-Sinencio, “CMOS Continuous-Time Multipliers: A Tutorial,”       IEEE Trans. on Circuits and Systems II, Vol. 45, No. 12,   pp. 1550-1563, December 1998.

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A. Diaz-Sánchez, J. Ramírez-Angulo, E. Sánchez-Sinencio and G. Han, “ A CMOS Quadrant Current/Transconductance Multiplier.”  J. Analog Integrated Circuits and Signal Processing, Kluwer Academic Publishers, vol. 19, No. 2, pp. 163-168, May 1999