Antonio Jesús Torralba Silgado

Ingeniero Industrial (Electr. Eng.), ESI Sevilla, September 1983
Dr. Ingeniero Industrial (Ph.D. in Electr. Eng.),ESI de Sevilla, December  1985.
Associate Professor, August 1987.
Professor, May 1996.

In charge of the following matters:

• Design of Electronic Circuits and Systems,

4th year in Telecommunications Eng. degree
• Design of Electronic Circuits and Systems,

1st year in Electronic Eng. degree

Research Lines:

• Design of Analog and Mixed-Signal Integrated Circuits.
• Integrated Circuits for Communications.

Most Recent Publications:

• Output stage for low supply voltage, high performance CMOS current mirrors.

IEE Electronics Letters, 2002, vol.38, no.24, 21st Nov. 2002, pp. 1528,1529.
A.Torralba, R.G.Carvajal, J.Ramírez-Angulo, F.Muñoz
• Compact low-power, high slew-rate CMOS buffer for large capacitive loads.

IEE Electronics Letters, 2002, vol. 38, no. 22, 24th Oct. 2002, pp. 1348-1349
A.Torralba, R.G.Carvajal, J.A.Galán, J.Ramírez-Angulo
• Low-power, low-voltage differential class-AB OTA’s for SC circuits.

IEE Electronics Letters, 2002, vol. 38, no. 22, 24th Oct. 2002, pp. 1304-1305
R.G.Carvajal, J.A.Galán, J.Ramírez-Angulo, A.Torralba
• Speed Control of Induction Motors Using A Novel Fuzzy-Sliding Mode Structure.

IEEE Trans. on Fuzzy Systems,  2002, vol. 10, no. 3 , Jun. 2002, pp. 375 -383
F. Barrero, A. González, A. Torralba, E.Galván, L.G.Franquelo.
• Integrated Solution for Induction Motor Control.

PCIM Europe,  May 2002, pp. 44-46
J.L. Mora, F. Barrero, E.Galván, F.Colodro, J.N.Tombs, M.Barranco, A. Torralba, L.G.Franquelo
• Multirate Sigma-Delta Modulators.

IIEEE Trans. on Circuits and Systems-II, vol. 49, no.3, March 2002, pp. 170-176.
F.Colodro, A.Torralba
• Low-voltage CMOS op-amp with rail-to-rail input and output swing for continuous-time signal processing using multiple-input floating-gate transistors.

IEEE Trans. on Circuits and Systems-II, vol. 48, no. 1, Jan 2001, pp. 111-116.
J.Ramírez-Angulo, R.G.Carvajal, J.Tombs, A.Torralba.
• Floating-gate based tunable CMOS low-voltage linear transconductor and its application to HF gm-C filter design.

IEEE Trans. on Circuits and Systems-II, vol. 48, no. 1, Jan. 2001, pp. 106-110.
F.Muñoz, A.Torralba, R.G.Carvajal, J.Tombs, J.Ramírez-Angulo.
• Class AB output stage for low voltage CMOS op-amps with accurate quiescent current control.

IEE Electronic Letters, vol. 36, no. 21, 12th Oct. 2000, pp. 1753-1574.
A.Torralba, R.G.Carvajal, J.Martínez-Heredia, J.Ramírez-Angulo.
• Low-voltage CMOS amplifiers with wide input-output swing based on a novel scheme.

IEEE Trans. on Circuits and Systems-I, May 2000.
J.Ramírez-Angulo, A.Torralba, R.G.Carvajal, J.Tombs.
• New class of multibit sigma-delta modulators using multirate architecture.

IEE Electronic Letters , vol. 36, n.9, 27th April 2000, pp. 783-785.
F.Colodro, A.Torralba, F.Muñoz, L.G.Franquelo.
• Very low-voltage class AB CMOS and bipolar precision current rectifiers .

IEE Electronic Letters , vol. 35, n.22, October 1999, pp. 1904-1905.
J.Ramírez-Angulo, R.G.Carvajal, J.Tombs, A.Torralba.
• Simple technique for opamp continuous-time 1V supply operation.

IEE Electronic Letters , vol. 35, n. 4, 18th February 1999, pp. 263-264.
J.Ramírez-Angulo, R.G.Carvajal, J.Tombs, A.Torralba.
• AFAN: Tool for optimizing fuzzy controllers .

IEEE Micro, vol. 17, n. 5, September/October 1997, pp. 50-54.
R.G.Carvajal, A.Torralba, L.G.Franquelo.
• ASIC implementation of a digital tachometer with high precision in a wide speed range.

IEEE Trans. on Industrial Electronics, vol. 43, n. 6, December 1996, pp. 665-661.
E.Galván, A.Torralba, L.G.Franquelo.
• Circuit performance modeling by means of fuzzy logic.

IEEE Trans. on Computer-Aided Design of Integrated Circuits and Systems, vol. 15, n. 11, November 1996, pp. 1391-1398.
A.Torralba, J.Chávez, L.G.Franquelo.
• PWM fuzzy logic controller.

IEEE Micro, vol. 16, n. 5, October 1996, pp. 68-71.
J.Tombs, A.Torralba, L.G.Franquelo.
• A collection of fuzzy logic-based tools for the automated design, modelling and test of analog circuits.

IEEE Micro, vol. 16, n. 4, August 1996, pp. 61-68.
A.Torralba, J.Chávez, L.G.Franquelo.
• FASY: A fuzzy-logic based tool for analog synthesis.

IEEE Trans. on Computer-Aided Design of Integrated Circuits and Systems, vol. 15, n. 7, July 1996, pp. 705-715.
A.Torralba, J.Chávez, L.G.Franquelo.
• Two digital circuits for a fully parallel stochastic neural network.

IEEE Trans. on Neural Networks, vol. 6, n. 6, September 1995, pp. 1264-1268.
A.Torralba, F.Colodro, E.Ibáñez, L.G.Franquelo.

Most Recent Research Projects:

• 2001-2004. DABA-COM: Very-low voltage and low power consumption analog design for signal processing in communications.

Project Leader.
TIC2000-0615-C02.
• 2001-2004. ENER-NET: Broadband communications system over electrical residential networks with applications to networking.

Member of the AICIA-GTE partner.
FIT-070000-2000-355.
• 2000-2002. INSONET: In-home and SOHO networking through the mains network.

Leader of the AICIA-GTE partner .
IST-V IST-1999-10358.
• 1999-2001. CICOMBT: Integrated Circuits for Communications using the low-voltage power line .

Project Leader .
Financed by the EC por la CE through FEDER actions. FD97-0317.
• 1997-2000. POLICOM: Power line communication modem.

Leader of the AICIA-GTE partner .
ESPRIT-IV OMI 25481.
• 1997-1999. SLESS: Sensorless control of induction motors.

Leader for the AICIA-GTE partner .
FUSE 25828, especial action of ESPRIT-IV.
• 1997-1999. ADAPT: Mixed signal ASIC for intelligent impedance adaption for power line communications.

Leader for the AICIA-GTE partner .
FUSE 25480, especial action of ESPRIT-IV.
• 1996-1998. Automatic Synthersis of Analog and Mixed-Signal Systems .

Project Leader .
Comisión Interministerial de Ciencia y Tecnología (the Spanish Research Council, CICYT), TIC96-0860.
• 1995-1998. FIPSOC: Field programmable system on chip.

Leader of the AICIA-GTE partner.
ESPRIT-IV TCS 21625.

English Version 

Escuela Superior de Ingenieros 

Grupo Tecnología Electrónica-GTE 

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