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Dr Ing. Owen Casha
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Biography

Dr Ing. Owen Casha received the B. Eng. (Hons.) degree (summa cum laude) in Electrical Engineering from the University of Malta in 2004. In the same year, he joined the Department of Electronic Systems Engineering (Faculty of Engineering) as a Post Graduate Trainee. In 2007 he was appointed as Assistant Lecturer in the Department of Microelectronics and Nanoelectronics (Faculty of ICT). From September 2007 till June 2008, he was on a research collaboration with CEA-LETI (Grenoble, France) and ST-Microelectronics, as part of his doctorate studies. He received a Ph.D. in Radio Frequency Integrated Circuit Design from the University of Malta in 2010 and promoted to Lecturer. Following eight years of lecturing and research duties, he was promoted to Senior Lecturer in June 2015. His research interests are low voltage low phase noise radio frequency oscillators and synthesizers, design of high speed integrated circuits and RF MEMS design.

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Conference Papers /Journal Papers

1. Casha O., Grech I., Micallef J., and Gatt E.: ‘1.6-GHz low power low phase noise quadrature phase locked loop with on chip DC-DC converter for wide tuning range’, Proceedings ICECS ’05, Tunisia, 2005, pp. 1-4.

2. Casha O., Grech I., Micallef J., and Gatt E.: ‘Design of a 1.2 V Low Phase Noise 1.6 GHz CMOS Buffered Quadrature Output VCO with Automatic Amplitude Control’, Proceedings ICECS ’06, Nice, 2006, pp. 192-195 [Awarded the ICECS 2006 3rd Best Student Paper Award].

3. Casha O., Grech I., and Micallef J.: ‘Comparative Study of Gigahertz CMOS LC Quadrature Voltage controlled Oscillators with relevance to phase noise’, Analog Integrated Circuits and Signal Processing, 2007, vol. 52, pp. 1–14.

4. Casha O., Grech I., Micallef J., and Gatt E.: ‘Utilisation of Microsystems Technology in Radio Frequency and Microwave Applications’, Journal of the Malta Chamber of Scientists, 2007, pp. 4-16.

5. Casha O., Grech I., Micallef J., and Gatt E.: ‘Design considerations and device selection in the implementation of low phase noise LC-VCOs’, Proceedings ICECS ’07, Marrakech, 2007, pp. 1083-1086.

6. Casha O., Grech I., Micallef J., and Gatt E.: ‘CMOS implementation of a 1.6 GHz low voltage low phase noise quadrature output frequency synthesizer with automatic amplitude control’, Analog Integrated Circuits and Signal Processing, 2008, vol. 55 (1), pp. 3-19.

7. Casha O., Grech I., Micallef J., Gatt E., Morche D., Viala B., Michel J.P., Vincent P. and de Foucauld E.: ‘Utilization of MEMS Tunable Inductors in the design of RF Voltage-Controlled Oscillators’, Proceedings ICECS ’08, Malta, 2008, pp. 718-721.

8. Casha O., Grech I., Badets F., Morche D. and Micallef J.: 'Analysis of the Spur Characteristics of Edge Combining DLL-based Frequency Multipliers', IEEE Transactions on Circuits and Systems-II: Express Briefs, February 2009, vol. 56, pp. 132-136.

9. Casha O., Grech I. and Micallef J.: 'Issues on the design and implementation of radio frequency CMOS LC tank voltage-controlled oscillators', Analog Integrated Circuits and Signal Processing, 2009, vol. 61 (2), pp. 159-170.

10. Casha O., Grech I. and Badets F.: 'CMOS Phase-Interpolation DDS for an UWB MB-OFDM Alliance Application', 5th PRIME Conference, Cork, Ireland, 2009, pp. 200-203.

11. Cutajar M., Gatt E., Micallef J., Grech I. and Casha O.: 'Digital Hardware Implementation of Self-Organising Maps', 15th IEEE Mediterranean Electrotechnical Conference, Valletta, Malta, April 2010, pp. 1123-1128.

12. Casha O., Grech I., Gatt E. and Micallef J.: 'Experimental results obtained from a 1.6GHz CMOS quadrature output phase locked loop with on-chip DC-DC converter', ICECS 2010 Proceedings, Greece, 2010, pp. 1203-1206.

13. Zarb T., Grech I., Gatt E., Casha O. and Micallef J.: 'Verification of a VHDL GPS Baseband Processor using a simulink-based test bench generator', ICECS 2010 Proceedings, Greece, 2010, pp. 332-335.

14. Gambin I., Grech I., Casha O., Gatt E. and Micallef J.: 'Digital Cochlea Model Implementation using Xilinx XC3S500E Spartan-3E FPGA', ICECS 2010 Proceedings, Greece, 2010, pp. 948-951.

15. Galea F., Gatt E., Casha O. and Grech I.: 'Control Unit for a Continuous Variable Transmission for use in an Electric Car', ICECS 2010 Proceedings, Greece, 2010, pp. 251-254.

16. Casha O., Attard N., Camilleri S., Drago R., Hili M., Gatt E. and Grech I.: 'VHDL Implementation of a DMX512 Decoder on an FPGA', ICECS 2010 Proceedings, Greece, 2010, pp. 716-719.

17. Casha O., Grech I., Micallef J., Gatt E. and Morche D.: 'RF VCO Tuning using MEMS Piezoelectric Actuated Variable Inductors', Analog Integrated Circuits and Signal Processing, 2011, pp. 193-205.

18. Cutajar M., Gatt E., Grech I., Casha O. and Micallef J.: 'Neural Network Architectures for Speaker Independent Phoneme Recognition', ISPA 2011 Proceedings, Croatia, 2011, pp. 90-94.

19. Mugliette C., Grech I., Casha O. and Gatt E.: 'FPGA Active Digital Cochlea Model', ICECS 2011 Proceedings, Lebanon, 2011, pp. 699-702.

20. Darmanin J.M., Grech I., Casha O. and Gatt E.: 'Design of a 2-Axis MEMS Accelerometer', ICECS 2011 Proceedings, Lebanon, 2011, pp. 268-271.

21. Cutajar M., Gatt E., Grech I., Casha O., Micallef J.: 'Support Vector Machines with the Priorities Method for Speaker Independent Phoneme Recognition', ISSPIT 2011, Spain, 2011, pp. 409-414.

22. Bouvett E., Casha O., Grech I., Cutajar M., Gatt E. and Micallef J.: 'An FPGA Embedded System Architecture for Handwritten Symbol Recognition', 16th IEEE Mediterranean Electrotechnical Conference, Medina Yasmine Hammamet, Tunisia, March 2012, pp. 653-656.

23. Cutajar M., Gatt E., Grech I., Casha O. and Micallef J.: 'A Study on Pitch Variation on the use of DWT with SVM for Speaker Independent Phoneme Recognition', ISCCSP 2012, Rome, Italy, May 2012.

24. Cutajar M., Gatt E., Grech I., Casha O. and Micallef J.: 'Comparison of Different Multiclass SVM Methods for Speaker Independent Phoneme Recognition', ISCCSP 2012, Rome, Italy, May 2012.

25. Pisani V., Grech I., Casha O. and Gatt E.: 'Low-voltage CMOS Current Feedback Amplifier', ICECS 2012 Proceedings, Seville, 2012, pp. 5-8.

26. Scicluna N., Gatt E., Grech I., Casha O. and Micallef J.: 'FPGA-Based Autonomous Parking of a Car-Like Robot Using Fuzzy Logic Control', ICECS 2012 Proceedings, Seville, 2012, pp. 229-232.

27. Cutajar M., Gatt E., Grech I., Casha O. and Micallef J.: 'Comparative Study of Automatic Speech Recognition Techniques', IET Signal Processing, vol. 7, January 2013, pp. 1-22.

28. Cutajar M., Gatt E., Grech I., Casha O. and Micallef J.: 'Discrete Wavelet Transforms with Multiclass SVM for Phoneme Recognition', EUROCON 2013 Proceedings, Zagreb, Croatia, 2013, pp. 1695-1700.

29. Briffa A., Gatt E., Micallef J., Grech I., Casha O. and Darmanin J.M.: 'Area Minimization of a Three-Axis Separate Mass Capacitive Accelerometer using the ThELMA Process', EUROCON 2013 Proceedings, Zagreb, Croatia, 2013, pp. 2094-2099.

30. Darmanin J.M., Grech I., Micallef J., Gatt E., Casha O. and Briffa A.: 'Design Consideration for Three-Axis MEMS Accelerometers using an Asymmetric Proof Mass', EUROCON 2013 Proceedings, Zagreb, Croatia, 2013, pp. 2100-2105.

31. Cutajar M., Gatt E., Grech I., Casha O. and Micallef J.: 'Hardware-based Support Vector Machine for Phoneme Classification', EUROCON 2013 Proceedings, Zagreb, Croatia, 2013, pp. 1701-1708.

32. Scerri J., Grech I., Gatt E. and Casha O.: 'A MEMS BPSK Demodulator - Micromechanical Mixing and Filtering using MetalMUMPs', 9th PRIME Conference, Villach, Austria, 2013, pp. 113-116.

33. Zammit D., Casha O., Grech I., Gatt E. and Micallef J.: 'A MEMS Resonator Tank for an RF VCO Application', ICECS 2013 Proceedings, Abu Dhabi, UAE, 2013, pp. 819-822.

34. Cutajar M., Gatt E., Grech I., Casha O. and Micallef J.: 'Design of a Hardware-based Discrete Wavelet Transform Architecture for Phoneme Recognition', ISCCSP'14 Proceedings, Athens, Greece, 2014, pp. 554-557.

35. Scerri J., Grech I., Gatt E. and Casha O.: 'Versatility provided by an electrostatic torsional microstructure as a consequence of its complex dynamics', IET Electronic Letters, 2014, vol. 50, no. 4, pp. 303-304.

36. Grixti R., Grech I., Casha O., Gatt E., Darmanin J.M. and Micallef J.: 'Feasibility Study of a MEMS Microphone Design using the PolyMUMPs Process', Design, Test, Integration and Packaging of MEMS/MOEMS Symposium (DTIP 2014), Cannes Côte d'Azur, France, April 2014.

37. Cutajar M., Gatt E., Grech I. and Casha O.: "ASIC design of a Phoneme Recogniser based on Discrete Wavelet Transforms and Support Vector Machines", 10th PRIME Conference, Grenoble, France, 2014.

38. Grixti R., Grech I., Casha O., Gatt E., Darmanin J.M. and Micallef J.: 'Analysis and Design of an Electrostatic MEMS Microphone using the PolyMUMPs Process', Analog Integrated Circuits and Signal Processing, 2015, vol. 82 (3), pp. 599-610.

39. Farrugia R., Grech I., Casha O., Micallef J., Gatt E., Duca R. and Cachia C.: 'Warpage issues in large area mould embedding technologies', Xjenza Online - Journal of The Malta Chamber of Scientists, 2014, pp. 38-43.

40. Farrugia R., Grech I., Casha O., Micallef J. and Gatt E.: 'Performance analysis of an RF MEMS TPoS Resonator using FE modelling', Design, Test, Integration and Packaging of MEMS/MOEMS Symposium (DTIP 2015), Montpellier, France, April 2015.

41. Farrugia R., Grech I., Casha O., Micallef J., Gatt E., Ellul I., Duca R. and Borg I.: 'Investigation of warpage in wafer-level molding: measurements and FE analysis', Design, Test, Integration and Packaging of MEMS/MOEMS Symposium (DTIP 2015), Montpellier, France, April 2015.

42. Scerri J., Grech I., Gatt E. and Casha O.: 'Reduced order model for a MEMS PZT vibrational energy harvester exhibiting buckling bistability', IET Electronic Letters, 2015, vol. 51, no. 5, pp. 409-411.

43. Farhat E.O., Zarb Adami K., Casha O., Grech I. and Vaate J.G.: 'Design of a Wideband CMOS LNA for Low Frequency Band SKA Application', ICECS 2015 Proceedings, Cairo, Egypt, 2015, pp. 567-571.

44. Farrugia F., Grech I., Casha O., Micallef J., Gatt E., Ellul I., Duca R. and Borg I.: 'The Analysis of Warpage in Wafer-level Compression Molding', Journal of Microsystem Technologies, DTIP 2015 Special Issue, Springer.

45. Scerri J., Grech I., Gatt E. and Casha O.: 'Suppression of spurious products in an electrostatic RF MEMS downconverter having differential drive and sense', 18th Melecon Conference, Limassol, Cyprus, 2016.

46. Gauci J.L., Grech I., Casha O., Farrugia R., Gatt E. and Micallef J.: 'Analytical Modeling of an Electrostatically Actuated Torsional Micromirror', 18th Melecon Conference, Limassol, Cyprus, 2016.

47. Portelli B., Grech I., Casha O., Gatt E. and Micallef J.: 'Design Considerations and Optimization for 3-Axis Anisotropic Magneto-Resistive Sensors', 18th Melecon Conference, Limassol, Cyprus, 2016.

48. Farrugia R., Grech I., Casha O., Micallef J. and Gatt E.: 'Analysis of dynamic deformation in 1D scanning mirrors', Design, Test, Integration and Packaging of MEMS/MOEMS Symposium (DTIP 2016), Budapest, May 2016.

49. Magri J., Grech I., Casha O., Gatt E. and Micallef J.: 'Design of CMOS Front-End Circuitry for the Acquisition of Biopotential Signals', ICECS 2016 Proceedings, Monaco, December 2016, pp. 161-164.

50. Farrugia R., Grech I., Camilleri D., Casha O., Gatt E. and Micallef J.: 'Theoretical and finite element analysis of dynamic deformation in resonating micromirrors', Journal of Microsystems Technology, February 2017.

51. Buhagiar K., Casha O., Grech I., Gatt E. and Micallef J.: 'Hardware Implementation of Efficient Path Reconstruction for the Smith-Waterman Algorithm', CODIT'17, Barcelona, April 2017.

52. Farrugia R., Grech I., Camilleri D., Casha O., Micallef J. and Gatt E.: 'Design optimization of a high frequency resonating micro-mirror with low dynamic deformation', Design, Test, Integration and Packaging of MEMS/MOEMS Symposium (DTIP 2017), Bordeaux, May 2017.

53. Portelli B., Farrugia R., Grech I., Casha O., Micallef J. and Gatt E.: 'Capacitance measurement techniques in MOEMS angular vertical comb-drive actuators', Design, Test, Integration and Packaging of MEMS/MOEMS Symposium (DTIP 2017), Bordeaux, May 2017.

54. Clive S., Gatt E., De Cataldo G., Casha O. and Grech I.: 'Proposal for a new ALICE CPV-HMPID Front-end Electronics Topology', 13th PRIME Conference, Giardini Naxos - Taormina, Italy, 2017.

55. Cutajar A., Farrugia P., Casha O. and Vella P.: 'A Concurrent Engineering Approach to Develop BioMEMS Employed in a Deep Brain Stimulator Integrated with a Drug Delivery System', Xjenza Online - Journal of The Malta Chamber of Scientists, 2017.

56. Gauci J.L., Gatt E., De Cataldo G., Casha O. and Grech I.: 'An Analytical Model of the Delay Generator for the Triggering of Particle Detectors at CERN LHC', 1st New Generation of Circuits and Systems Conference, Genova, Italy, September 7-9, 2017.

57. Galea F., Casha O., Grech I., Gatt E. and Micallef J.: 'A CMOS MPPT Power Conditioning Circuit for Energy Harvesters', ICECS 2017 Proceedings, Batumi, Georgia, 2017.

58. Magri J., Casha O., Bugeja K., Grech I. and Gatt E.: 'HLTB Design for High-Speed Multi-FPGA Pipelines', ICECS 2017 Proceedings, Batumi, Georgia, 2017.

59. Scerri J., Grech I., Gatt E. and Casha O.: 'A MEMS Low-IF IQ-Mixer in MetalMUMPS: Modelling and Simulation', ICECS 2017 Proceedings, Batumi, Georgia, 2017.

Book Chapters

1. Casha O. and Grech I.: ‘Frequency Synthesizer Architectures for UWB MB OFDM Alliance Application’ in Ultra Wideband Communications: Novel Trends / Book 3, Edited by Dr. Mohammad Matin, InTech Publishers, ISBN 978 953-307-461-0.

Ultra Wideband Communications: Novel Trends - System, Architecture and Implementation

2. Farhat E.O., Zarb Adami K., Casha O. and Abela J.: ‘Optimisation of RF On-chip Inductors using Genetic Algorithms’ in Computational Intelligence in Analog and Mixed-Signal (AMS) and Radio-Frequency (RF) Circuit Design, edited by M. Fakhfakh, E. Tlelo-Cuautle, and P. Siarry, Springer, 2015.


Dissertations

1. Casha O.: 'Adaptive Control of an Inverted Pendulum' B. Eng. (Hons.) Dissertation, June 2004.

2. Casha O.: 'High performance CMOS frequency synthesis architectures for microwave applications' Ph.D. Dissertation, April 2010.


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Last Updated: 17 October 2017

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