People

Dr. Hammad Mehmood Cheema

Postdoctoral Fellows
Post-doctoral fellow 2011-13

Now Assistant Professor SEECS-NUST, Islamabad, Pakistan

Research Interests

  • CMOS millimeter-wave frequency synthesizers with special focus on 60 GHz
  • High-speed frequency dividers based on injection locking.

Selected Publications

Books: Hammad M. Cheema, Reza Mahmoudi, Arthur van Roermund, “60 GHz CMOS Phase-Locked Loops,” Springer, July 2010, ISBN: 978-90-481-9279-3
http://www.springer.com/engineering/circuits+%26+systems/book/978-90-481-9279-3

PhD Thesis:

Hammad Mehmood Cheema, “Flexible Phase-Locked Loops and Millimeter Wave PLL Components for 60-GHz Wireless Networks in CMOS,” A catalogue record is available from the Eindhoven University of Technology Library, ISBN: 978-90-386-2143-2

Journals and Conferences:

  • "The Last Barrier: On-Chip Antennas," IEEE Microwave Magazine, Vol. 14, No. 1, pp. 79-91, January 2013. [IEEE Link​]
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  • ad M. Cheema, Reza Mahmoudi, Arthur van Roermund, "A 40-GHz Phase-Locked Loop Front-End for 60-GHz Transceivers in 65nm CMOS ,” IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), Kuala Lumpur, Malaysia, December 2010.
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  • mad M. Cheema, Reza Mahmoudi, Arthur van Roermund, "A 40-GHz Phase-Locked Loop for 60-GHz Sliding-IF Transceivers in 65nm CMOS", IEEE Asian Solid-State Circuits Conference (ASSCC), Beijing, China, November 2010.
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  • , “On the Importance of Chip-level EM-simulations for 60-GHz CMOS circuits,”, IEEE European Microwave Integrated Circuits Conference (EuMIC), Paris, September 2010.
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  • ammad M. Cheema, Xiao Peng Yu, Reza Mahmoudi, Paul T.M. van Zeijl, Arthur van Roermund, “A Dual-Mode mm-Wave Injection-Locked Frequency Divider with Greater than 18% Locking Range in 65nm CMOS,” IEEE International Microwave Symposium(IMS), Anaheim, CA, pp. 780-783, May 2010
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  • Hammad M. Cheema, Reza Mahmoudi, Arthur van Roermund, “A 30 to 44 GHz Divide-by-2, Quadrature, Direct Injection Locked Frequency Divider for Sliding-IF 60 GHz Transceivers,” IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF systems (SiRF), New Orleans, LA, pp 57-60, January 201
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  • iaopeng Yu, Hammad M. Cheema, et.al, A 3 mW 54.6 GHz Divide-by-3 Injection Locked Frequency Divider with Resistive Harmonic Enhancement,” IEEE Microwave and Wireless Components Letters (MWCL), vol. 19, no. 9, pp. 575-577, September 20
  • 09.
  • Hammad M. Cheema, Pooyan Sakian, Erwin Janssen, Reza Mahmoudi, Arthur van Roermund, Monolithic Transformers for High Frequency Bulk CMOS Circuits,” IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF systems (SiRF), San Diego, CA, pp. 109-112, January 2009
  • Hammad M. Cheema, Reza Mahmoudi, M.A.T. Sanduleanu, Arthur van Roermund, A 40 GHz, broadband, highly linear amplifier, employing T-coil bandwidth extension technique,” IEEE Radio Frequency Integrated Circuits Symposium (RFIC), Atlanta, GA, pp. 645-648, June 200
  • 8.
  • Hammad M. Cheema, Reza Mahmoudi, M.A.T. Sanduleanu, Arthur van Roermund, A 44.5 GHz differentially tuned VCO in 65nm bulk CMOS with 8% tuning range,” IEEE Radio Frequency Integrated Circuits Symposium (RFIC), Atlanta, GA, pp. 649-652, June 200
  • 8.
  • Hammad M. Cheema, Reza Mahmoudi, M.A.T. Sanduleanu, Arthur van Roermund, “A Ka Band, Static, MCML Frequency Divider, in Standard 90nm-CMOS LP for 60 GHz Applications,” IEEE Radio Frequency Integrated Circuits Symposium (RFIC), Honolulu, HI, pp. 541-544, June 2007.

Education

  • Bachelors in Electrical Engineering from National University of Sciences and Technology (NUST), Rawalpindi, Pakistan
  • MSC in Telecommunications from Technical University of Denmark (DTU) in Lyngby, Denmark  (2002-2004)
  • PhD in Electrical Engineering from Eindhoven University of Technology (TU/e), The Netherlands (2005-2010)

Professional Profile

​Present position: 
​Assistant Professor, School of Electrical Engineering & Computer Science (SEECS), National University of Sciences & Technology (NUST)​, Islamabad, Pakistan