Ramon G. Carvajal

Best Publications

• The flipped voltage follower: a useful cell for low-voltage low-power circuit design

  R.G. Carvajal;J. Ramirez-Angulo;A.J. Lopez-Martin;A. Torralba

  854
  Citations

• Low-Voltage Super class AB CMOS OTA cells with very high slew rate and power efficiency

  A.J. Lopez-Martin;S. Baswa;Jaime Ramirez-Angulo;R.G. Carvajal

  376
  Citations

• Very low-voltage analog signal processing based on quasi-floating gate transistors

  J. Ramirez-Angulo;A.J. Lopez-Martin;R.G. Carvajal;F.M. Chavero

  297
  Citations

• The flipped voltage follower: a useful cell for low-voltage low-power circuit design

  J. Ramirez-Angulo;R.G. Carvajal;A. Torralba;J. Galan

  198
  Citations

• A free but efficient low-voltage class-AB two-stage operational amplifier

  J. Ramirez-Angulo;R.G. Carvajal;J.A. Galan;A. Lopez-Martin

  176
  Citations

• Low supply voltage high-performance CMOS current mirror with low input and output voltage requirements

  J. Ramirez-Angulo;R.G. Carvajal;A. Torralba

  164
  Citations

• Super Class-AB OTAs With Adaptive Biasing and Dynamic Output Current Scaling

  J.A. Galan;A.J. Lopez-Martin;R.G. Carvajal;J. Ramirez-Angulo

  145
  Citations

• 0.7-V Three-Stage Class-AB CMOS Operational Transconductance Amplifier

  Elena Cabrera-Bernal;Salvatore Pennisi;Alfio Dario Grasso;Antonio Torralba

  144
  Citations

• A new family of very low-voltage analog circuits based on quasi-floating-gate transistors

  J. Ramirez-Angulo;C.A. Urquidi;R. Gonzalez-Carvajal;A. Torralba

  125
  Citations

• A low-power low-voltage OTA-C sinusoidal oscillator with a large tuning range

  J. Galan;R.G. Carvajal;A. Torralba;F. Munoz

  102
  Citations

• Low-voltage CMOS op-amp with rail-to-rail input and output signal swing for continuous-time signal processing using multiple-input floating-gate transistors

  J. Ramirez-Angulo;R.G. Carvajal;J. Tombs;A. Torralba

  99
  Citations

• Highly Linear Tunable CMOS $Gm{\hbox{-}}C$ Low-Pass Filter

  L. Acosta;M. Jimenez;R.G. Carvajal;A.J. Lopez-Martin

  97
  Citations

• Using Floating Gate and Quasi-Floating Gate Techniques for Rail-to-Rail Tunable CMOS Transconductor Design

  J. M. A. Miguel;A. J. Lopez-Martin;L. Acosta;J. Ramirez-Angulo

  88
  Citations

• Super Class-AB Recycling Folded Cascode OTA

  M. Pilar Garde;Antonio Lopez-Martin;Ramon Gonzalez Carvajal;Jaime Ramirez-Angulo

  86
  Citations

• Comparison of conventional and new flipped voltage structures with increased input/output signal swing and current sourcing/sinking capabilities

  J. Ramirez-Angulo;S. Gupta;I. Padilla;R.G. Carvajal

  84
  Citations

• Floating-gate-based tunable CMOS low-voltage linear transconductor and its application to HF g/sub m/-C filter design

  F. Munoz;A. Torralba;R.G. Carvajal;J. Tombs

  72
  Citations

• Low-voltage CMOS operational amplifiers with wide input-output swing based on a novel scheme

  J. Ramirez-Angulo;A. Torralba;R.G. Carvajal;J. Tombs

  70
  Citations

• Low-voltage micropower super class AB CMOS OTA

  S. Baswa;A.J. Lopez-Martin;J. Ramirez-Angulo;R.G. Carvajal

  69
  Citations

• A new class AB differential input stage for implementation of low-voltage high slew rate op amps and linear transconductors

  J. Ramirez-Angulo;R. Gonzalez-Carvajal;A. Torralba;C. Nieva

  69
  Citations

• A CMOS transconductor with multidecade tuning using balanced current scaling in moderate inversion

  A.J. Lopez-Martin;Jaime Ramirez-Angulo;C. Durbha;R.G. Carvajal

  66
  Citations

• CMOS Transconductors With Continuous Tuning Using FGMOS Balanced Output Current Scaling

  A.J. Lopez-Martin;J. Ramirez-Angulo;R. Gonzalez Carvajal;L. Acosta

  66
  Citations