Circuit Design Research Lab

Department of Electronics and Communication Engineering

F. M. Ghannouchi and M. S. Hashmi: Load-Pull Techniques with Applications to Power Amplifier Design, ISBN-13: 978-9400744608 - Springer Netherlands, 2012.
S. Rezaei, M. S. Hashmi, and F. M. Ghannouchi, "RF Predistorter Architecture for Linearizing Dual-Inflection Points Power Amplifiers," United States Utility Patent Pending.

F. M. Ghannouchi, S. Bensmida, M. S. Hashmi, and M. Helaoui, "Measurement Setup for Highly Reflective Load- and Source-Pull Applications," United States Patent No. 8841922, approved 23rd Sept. 2014.
26:
M. A. Maktoomi, M. S. Hashmi, and F. M. Ghannouchi, "Improving Load Range of Dual-Band Impedance Matching Networks using Novel Load-Healing Concept," IEEE Transactions on Circuits and Systems (TCAS - II), Early Access - April 2016.

25:
M. A. Maktoomi, M. S. Hashmi, and F. M. Ghannouchi, "Systematic Design Technique for Dual-Band Branch-Line Coupler using T- and Pi-Networks and a Novel Wide Band-Ratio Crossover," IEEE Transactions on Components, Packaging and Manufacturing Technology (TCPMT), Accepted (2016).

24:
M. A. Maktoomi, M. S. Hashmi, A. P. Yadav, and V. Kumar, "A Generic Tri-band Impedance Matching Network," IEEE Microwave and Wireless Component Letter, Accepted (2016).

23:
M. S. Hashmi, F. M. Ghannouchi, and P. J. Tasker, "High Frequency Waveform Engineering and its Applications," IEEE Instrumentation and Measurement Magazine, Issue 3, pp. 44-50, June 2015.

22:
M. A. Maktoomi, M. S. Hashmi, and V. Panwar, "A Dual-Frequency Matching Network for FDCLs Using Dual-band Quarterwave Lines," Progress in Electromagnetics Research Letters (PIER-L), Vol. 52, pp. 23-30, March 2015.

21:
M. A. Maktoomi, and M. S. Hashmi, "A Coupled Line based L-Section DC-Isolated Dual-band Real to Real impedance Transformer and its Application to a Dual-band T-Junction Power Divider," Journal of Progress in Electromagnetics Research (PIER), Vol. 55, pp. 95-104, Dec. 2014.

20:
M. A. Maktoomi, M. S. Hashmi, and F. M. Ghannouchi, "A T-Section Dual-Band Matching Network For Frequency-Dependent Complex Loads Incorporating Coupled Line With DC-Block Property Suitable For Dual-Band Transistor Amplifiers," Journal of Progress in Electromagnetics Research (PIER), Vol. 54, pp. 75-84, Oct. 2014.

19:
M. S. Hashmi, and F. M. Ghannouchi, "Introduction to Load-Pull Systems and their Applications," IEEE Instrumentation and Measurement Magazine, Vol. 16, Issue 1, pp. 30-36, February 2013.

18:
K. Rawat, M. Rawat, M. S. Hashmi, and F. M. Ghannouchi, "Dual-Band Branch-Line Hybrid With Distinct Power Division Ratio Over The Two Bands," Wiley International Journal of RF and Microwave Computer Aided Engineering, Vol. 23, Issue 1, pp. 90-98, January 2013.

17:
K. Rawat, M. S. Hashmi, and F. M. Ghannouchi, "Errato to: Dual-band Doherty Power Amplifier Optimization," IEEE Microwave Magazine, Vol. 13, No. 4, pp. 145, June 2012.

16:
W. S. El-Deeb, M. S. Hashmi, N. Boulejfene, and F. M. Ghannouchi, "Systematic Calibration of Two-Port NetWork Analyzer for Measurement and Engineering of Waveforms at Radio Frequency," Progress in Electromagnetic Research, Vol. 28, pp. 209-222, April 2012.

15:
K. Rawat, M. S. Hashmi, and F. M. Ghannouchi, "Dual-band Doherty Power Amplifier Optimization," IEEE Microwave Magazine, Vol. 13, No. 2, pp. 69-82, April 2012.

14:
K. Rawat, M. S. Hashmi, and F. M. Ghannouchi, "Dual-band RF Circuits and Systems for Software Defined Radio Applications," IEEE Circuits and Systems Magazine, Vol. 12, No. 1, pp. 12-32, March 2012.

13:
M. S. Hashmi, F. M. Ghannouchi, P. J. Tasker, and K. Rawat, "Highly Reflective Load-Pull Techniques for Microwave Power Device Characterization," IEEE Microwave Magazine, Vol. 12, No. 4, pp. 96-107, June 2011.

12:
W. S. El-Deeb, M. S. Hashmi, N. Boulejfene, and F. M. Ghannouchi, "Small Signal, Complex Distortion and Waveform Measurement System for Multiport Microwave Devices," IEEE Instrumentation and Measurement Magazine, Vol. 14, Issue 3, pp. 28-33, June 2011.

11:
K. Rawat, F. M. Fhannouchi, M. Rawat, and M. S. Hashmi, "Analysis of Frequency Selective Impedance Loading of Transmission Lines for Dual Band Couplers,". Wiley International Journal of RF and Microwave Computer Aided Engineering, Vol. 21, Issue 3, pp. 325-335, May 2011.

10:
F. M. Ghannouchi, M. S. Hashmi, S. Bensmida, and M. Helaoui, "Loop Enhanced Passive Source- and Load-Pull Technique for High Reflection Factor Synthesis," IEEE Transactions on Microwave Theory and Techniques, Vol. 58, No. 11, pp. 2952-2959, Nov. 2010.

09:
M. S. Hashmi, A. L. Clarke, S. P. Woodington, J. Lees, J. Benedikt, and P. J. Tasker, "An Accurate Calibrate-able Multi-harmonic Active Load-Pull System based on the Envelope Load-Pull Concept," IEEE Transactions on Microwave Theory and Techniques, Vol. 58, No. 3, pp. 656-664, March 2010.

08:
M. S. Hashmi, and F. M. Ghannouchi, "Experimental Investigation of the Uncontrolled Higher Harmonic Impedances Effect on the Performance of High Power Microwave Devices," Wiley Microwave and Optical Technology Letters, Vol. 52, No. 11, pp. 2480-2482, Nov. 2010.

07:
M. S. Hashmi, P. J. Tasker, A. L. Clarke, and F. M. Ghannouchi, "Measurement Infrastructure for Optimization and Characterization of Microwave Transistor Devices," International Journal of Microwave and Optical Technology (IJMOT), Vol. 5, No. 6, pp. 345-353, Nov. 2010.

06:
W. S. El-Deeb, M. S. Hashmi, S. Bensmida, N. Boulejfen, and F. M. Ghannouchi, "Thru-Less Calibration Algorithm and Measurement System for On-wafer Large-Signal Characterization of Microwave Devices," IET Journal Microwaves, Antenna and Propagation, Vol. 4, Issue-11, pp. 1773-1781, Nov. 2010.

05:
M. S. Hashmi, P. J. Tasker, and F. M. Ghannouchi, "Transistor Device Optimization for RF Power Amplifier Employing Rapid Envelope Load-Pull System," International Journal of Microwave and Optical Technology (IJMOT), Vol. 5, No. 3, pp. 152-161, May 2010.

04:
M. S. Hashmi, A. L. Clarke, J. Lees, M. Helaoui, P. J. Tasker, and F. M. Ghannouchi, "Agile Harmonic Envelope Load-Pull System Enabling Reliable and Rapid Device Characterization," IOP Journal of Measurement Science and Technology, Vol. 21, 055109, April 2010.

03:
M. S. Hashmi, Z. S. Rogojan, S. R. Nazifi, and F. M. Ghannouchi, "A Broadband Dual-Inflection Point RF Predistortion Linearizer Using Backward Reflection Topology," Progress in Electromagnetic Research, Vol. 13, pp. 121-134, April 2010.

02:
M. S. Hashmi, Z. S. Rogojan, and F. M. Ghannouchi, "A Flexible Dual-Inflection Point RF Predistortion Linearizer for Microwave Power Amplifier," Progress in Electromagnetic Research, Vol. 13, pp. 1-18, March 2010.

01:
M. S. Hashmi, J. Benedikt, and P. J. Tasker, "Impact of Group Delay on the Load Emulation in Multi-tone Active Envelope Load-Pull System," Australian Journal of Electrical and Electronics Engineering, Vol. 7, No. 1, pp. 83-88, Feb 2010.

53:
S. Singh, and M. S. Hashmi, "Exploring Fractional Order Elements for Single and Dual Band Impedance Matching for RF Applications," 12th IEEE International Conference on Signal Processing and Communication (SPCOM), Bangalore, India, June 2016 (Accepted).

52:
N. Batra, P. Sehgal, S. Kaushik, M. S. Hashmi, S. Bhalla, and A. Grover, "Static Noise Margin based Yield Modelling of 6T SRAM for Area and Minimum Operating Voltage Improvement using Recovery Techniques," 26th ACM Great Lake Symposium on VLSI (GSVLSI), Boston, USA, May 2016 (Accepted).

51:
D. Arora, G. A. Kumar, and M. S. Hashmi, "A High Speed Low Voltage Latch Type Sense Amplifier for Non-Volatile Memory," IEEE 20th International Conference on VLSI Design and Test (VDAT), Guwahati, India, May 2016 (Accepted).

50:
S. Batra, P. Singh, S. Kaushik, and M. S. Hashmi, "Frequency Domain Analysis of On-Chip Power Distribution Network," IEEE 20th International Conference on VLSI Design and Test (VDAT), Guwahati, India, May 2016 (Accepted).

49:
P. Sharma, G. A. Kumar, and M. S. Hashmi, "Modeling and Yield Optimization of SRAM Sub-System for Different Capacities Subjected to Parametric Variations," IEEE 20th International Conference on VLSI Design and Test (VDAT), Guwahati, India, May 2016 (Accepted).

48:
N. Batra, G. A. Kumar, A. Grover, M. S. Hashmi, and G. S. Visveswaran, "An Effective Test Methodology Enabling Detection of Weak bits in SRAMs: Case Study in 28nm FDSOI," IEEE 20th International Conference on VLSI Design and Test (VDAT), Guwahati, India, May 2016 (Accepted).

47:
S. Kumar, S. Kaushik, R. Gupta, M. A. Maktoomi, and M. S. Hashmi, "A New L-Shaped Phase Inverter Design Utilizing a Loaded Transmission Line," 4th IEEE MTT-S International Wireless Symposium (IWS), Shanghai, China, March 2016 (To appear).

46:
M. A Maktoomi, and M. S. Hashmi, "A CAD Assisted Design Methodology for Wideband Arbitrary Power Division Coupler Implemented in Microstrip Technology," 22nd National Conference on Communications (NCC), Guwahati, India, pp. 312-315, March 2016.

45:
D. Rano, and M. S. Hashmi, "Design and Analysis of Wearable Patch Antenna Array for MBAN Applications," 22nd National Conference on Communications (NCC), Guwahati, India, pp. 735-740, March 2016.

44:
Y. D. Mishra, M. S. Hashmi, and A. C. Mishra, "Power Integrity Simulation of High Speed I/Os," 29th IEEE VLSI Design Conference (VLSID), Kolkata, India, Jan. 2016.

43:
G. A. Kumar, M. S. Hashmi, and A. Grover, "A New Sense Amplifier Topology with Improved Performance for High Speed SRAM Applications," 29th IEEE VLSI Design Conference (VLSID), Kolkata, India, pp. 185-190, Jan. 2016.

42:
S. Mondal, and M. S. Hashmi, "An Analytical Technique for Transformer based Impedance Matching," 5th IEEE Applied Electromagnetic Conference (AEMC), Guwahati, India, Dec. 2015 (To appear).

41:
S. Sharma, P. Sehgal, and M. S. Hashmi, "Analysis, Estimation and Mitigation of Common Mode to Differential Mode Noise Conversion in Multiconductor Cylindrical Cables," 12th IEEE India Council International Conference (INDICON), New Delhi, India, 4 pp., Dec. 2015.

40:
M. A. Maktoomi, and M. S. Hashmi, "A Novel Power Divider Structure using the Gysel and Wilkinson Power Dividers with only one Grounded Resistor," IEEE MTT - S International Microwave and RF Conference (IMaRC), Hyderabad, India, pp. 227-229, Dec. 2015.

39:
D. Sharma, and M. S. Hashmi, "A Meandered Rectangular Monopole Antenna for Quad-Band Applications," IEEE MTT - S International Microwave and RF Conference (IMaRC), Hyderabad, India, pp. 61-63, Dec. 2015.

38:
S. Sharma, P. Sehgal, and M. S. Hashmi, "Analysis, Estimation and Mitigation of Common Mode to Differential Mode Noise Conversion in Multiconductor Ribbon Cables," 27th IEEE Asia Pacific Microwave Conference (APMC), Nanjing, China, 3 pp., Dec. 2015.

37:
M. A. Maktoomi, R. Gupta, and M. S. Hashmi, "A Dual-Band Impedance Transformer for Frequency-Dependent Complex Loads Incorporating an L-type Network," 27th IEEE Asia Pacific Microwave Conference (APMC), Nanjing, China, 3 pp., Dec. 2015.

36:
A. Q. Ansari, G. Arora, and M. S. Hashmi, "Current Differencing Buffered Amplifier (CDBA) based Current Mode Universal Fractional Order Filter," National Conference on Microelectronics, Instrumentation and Communication (MICOM), Pilani, India, 4 pages, Nov. 2015.

35:
G. A. Kumar, M. S. Hashmi, R. Sharma, and N. Ansari, "Statistical Analysis and Parametric Yield Estimation of Standard 6T SRAM Cell for Different Capacities," 28th IEEE System on Chip Conference (SOCC), Beijing, China, pp. 316-321, Sept. 2015.

34:
Y. D. Mishra, A. Chandra, and M. S. Hashmi, "System-level Signal and Power Integrity Co-simulation of DDR4 Based on Power Aware IBISv5.0 Models," Synopsys User Groups (SNUG) Conference, Bangalore, 10 pages, June 2015.

33:
M. Mohsina, M. S. Hashmi, and S. S. Ram, "A Generic Technique to Develop Human Tissue Phantom," IEEE 4th Asia Pacific Conference on Antenna Propagation (APCAP), Bali, Indonesia, 3 pages, June 2015.

32:
Y. D. Mishra, M. S. Hashmi, and A. Chandra, "An Efficient Approach for Estimating the Impact of SSO Noise on LPDDR2 Timing Budget," IEEE 19th International Conference on VLSI Design and Test (VDAT), Ahmedabad, pp. 1-6, June 2015.

31:
G. A. Kumar, N. Kumar, and M. S. Hashmi, "Interpolation Based Simple and Effective Technique for Modeling and Estimation of Electromigration in SRAMs," IEEE 19th International Conference on VLSI Design and Test (VDAT), June 2015.

30:
R. Sinha, B. S. Nirwan, and M. S. Hashmi, "A New Row Decoding Architecture for Fast Wordline Charging in NOR Type Flash Memories," IEEE 19th International Conference on VLSI Design and Test (VDAT), Ahmedabad, pp. 1-5, June 2015.

29:
S. Srivastava, M. S. Hashmi, D. Barua, and S. Das, "Real Time Blind Spectrum Sensing Using USRP," IEEE International Conference on Circuits and Systems (ISCAS), Lisbon, Portugal, pp. 486-489, May 2015.

28:
Y. D. Mishra, A. Chandra, and M. S. Hashmi, "PI & EMI/EMC Analysis of DDR4 based on Power Aware behavioral Models," STMicroelectronics Tech Week, 6 pages, Feb 2015.

27:
Z. Zafar, M. A. Maktoomi, and M. S. Hashmi, "A New Adjustable Square/Triangular- Wave Generators using CCII/CCCII and OTA," IEEE 26th Int. Conf on microelectronics (ICM), Qatar, pp. 104-107, Dec. 2014.

26:
R. Krishnamurthy, and M. S. Hashmi, "A Low Power, High Dynamic Range and Area Efficient Cyclic On-Chip Delay Measurement Architecture," IEEE 26th Int. Conf on microelectronics (ICM), Qatar, pp. 64-67, Dec. 2014.

25:
D. Sharma, and M. S. Hashmi, "A Novel design of Tri-band Patch Antenna for GSM/WiFi/WiMAX Applications," IEEE MTT - S International Microwave and RF Conference (IMaRC), Bangalore, India, pp. 156-158, Dec. 2014.

24:
M. A. Maktoomi, V. Panwar, M. S. Hashmi, and F. M. Ghannouchi, "A Dual-Band Matching Network for Frequency- Dependent Complex Loads Suitable for Dual-Band RF Amplifiers," IEEE MTT - S International Microwave and RF Conference (IMaRC), Bangalore, India, pp. 88-91, Dec. 2014.

23:
R. Sinha, M. S. Hashmi, and G. A. Kumar, "A Positive Level Shifter for High Speed Symmetric Switching in Flash Memories," IEEE 18th Int. Symp. on VLSI Design and TEST (VDAT), Coimbatore, India, pp. 1-5, July 2014.

22:
P. Aggarwal, V. Mittal, M. A. Maktoomi and M. S. Hashmi, "A Digitally Controlled Floating Resistors using CMOS Translinear Cells," IEEE Recent Advances in Engg and Computational Sciences (RAECS), Chandigarh, India, pp. 1-4, March 2014.

21:
A. Jain, M. A. Maktoomi, and M. S. Hashmi, "A New Circuit to Measure Resistance Variations for Strain Gauge," IEEE Int. Conf. on Signal Processing and Integrated Networks (SPIN), Noida, India, pp. 641-644, Feb. 2014.

20:
M. Mohsina, and M. S. Hashmi, "Design and Analysis of Human Chest Phantom for Pacemaker Applications," 9th Int. Conf. on Microwaves Antenna Propagation & Remote Sensing (ICMARS), Dec. 2013, Jodhpur, India. (Accepted)

19:
G. Nijhawan, and M. S. Hashmi, "New Algorithmic Technique for Linearizing Diode Detectors," IEEE Int. Conf. on Multimedia, Signal Processing and Communication Technologies (IMPACT), Aligarh, India, pp. 171-174, Nov. 2013.

18:
M. A. Maktoomi, A. M. Zaidi, and M. S. Hashmi, "A Dual-Band Bagley Power Divider Using Modified Pi-Network," IEEE Int. Conf. on Multimedia, Signal Processing and Communication Technologies (IMPACT), Aligarh, India, pp. 163-167, Nov. 2013. (Best Paper Award)

17:
M. S. Hashmi, P. J. Tasker, and F. M. Ghannouchi, "High Speed Device Characterization Enabler - The Envelope Load-Pull," IEEE Asia Pacific Microwave Conference, Kaohsiung, Taiwan, pp. 839-841, December 2012.

16:
K. Rawat, M. Rawat, M. S. Hashmi, F. Falcone, and F. M. Ghannouchi, "Dual-Band Phase Offset Line with Required Transmission Phases at Two Operational Frequencies," IEEE MTT-S International Microwave Symposium, Montreal, Canada, pp. 1-3, June 2012.

15:
M. S. Hashmi, and F. M. Ghannouchi, "Load-Pull Techniques and their Applications to Microwave Amplifier Design," 25th IEEE Bipolar/BiCMOS Circuits and Technology Meeting, Atlanta, Geogia, USA, pp. 133-137, Oct. 2011. (Invited Paper)

14:
S. Rezaei, M. S. Hashmi, B. Dehlaghi, and F. M. Ghannouchi, "A Systematic Methodology to Design Analog Predistortion Linearizer for Dual Inflection Power Amplifiers," IEEE MTT-S International Microwave Symposium, Baltimore, USA, pp. 1-4, June 2011.

13:
W. S. El-Deeb, M. S. Hashmi, N. Boulejfene, and F. M. Ghannouchi, "On-line Waveform Monitoring System for the Design and Characterization of MIMO RF PAs," 24th IEEE Canadian Conference on Electrical and Computer Engineering, Niagara Fallas, ON, Canada, pp. 1024-1027, May 2011.

12:
S. J. Hashim, M. S. Hashmi, J. Benedikt, and P. J. Tasker, "Effect of Impedance Variation around Fundamentals on on PA Distortions Characteristics under Wideband Multi-tone Stimulus," IEEE Asia Pacific Conference on Circuits and Systems, Kuala Lumpur, Malaysia, pp. 1115-118, Dec 2010.

11:
M. S. Hashmi, and F. M. Ghannouchi, "Recent Advances in the Load Synthesis Approaches for Characterization of Microwave Devices Employed in Power Amplifier Design," IEEE APS/URSI Conference, Toronto, Canada, July 2010.

10:
S. J. Hashim, M. S. Hashmi, J. Benedikt, and P. J. Tasker, "Investigating the Effect of RF Impedance Variation around Fundamentals on Power Amplifier Distortions Characteristics under Wideband Multi-tone Stimulus," IEEE APS/URSI Conference, Toronto, Canada, July 2010.

09:
W. S. El-Deeb, M. S. Hashmi, N. Boulejfen, and F. M. Ghannouchi, "Relative Waveform Measurement Technique for the Characterization of Multi-port Microwave Devices," IEEE APS/URSI, Toronto, Canada, July 2010.

08:
W. S. El-Deeb, M. S. Hashmi, N. Boulejfen, and F. M. Ghannouchi, "Dynamic AM-AM and AM-PM Characterization of MIMO RF Power Amplifiers Using MTA-Based Multiport Measurement Setup," 4th IEEE International Monolithic Microwave Integrated Circuit Conference, Goteborg, Sweden, pp. 152-155, April 2010.

07:
M. S. Hashmi, A. L. Clarke, S. P. Woodington, J. Lees, J. Benedikt, and P. J. Tasker, "Electronic Multi-harmonic Load-Pull System for Experimentally Driven Power Amplifier Design Optimisation," IEEE MTT-S International Microwave Symposium, Boston, USA, pp. 1611-1614, June 2009. (Best Paper Award)

06:
M. S. Hashmi, S. J. Hashim, S. Woodington, T. Williams, J. Benedikt, and P. J. Tasker, "Active Envelope Load-Pull System Suitable for High Modulation Rate Multi-tone Applications," 3rd IEEE International Monolithic Microwave Integrated Circuit Conference, Malaga, Spain, pp. 93-96, Nov. 2008.

05:
M. S. Hashmi, S. J. Hashim, T. Williams, S. Woodington, J. Benedikt, and P. J. Tasker, "Active Envelope Load-Pull Addressing the RF Device Multi-tone Characterization Problem," IEEE MTT-11 International Microwave Symposium Design Competition, Atlanta, USA, pp. 6-7, June 2008. (3rd prize winner)

04:
S. J. Hashim, M. S. Hashmi, T. Williams, S. Woodington, J. Benedikt, and P. J. Tasker, "Active Envelope Load-Pull for Wideband Multi-tone Stimulus Incorporating Delay Compensation," 38th European Microwave Conference, Amsterdam, The Netherlands, pp. 317-320, Oct 2008.

03:
M. S. Hashmi, S. J. Hashim, T. Williams, J. Benedikt, and P. J. Tasker, "A Broadband Control Electronics for Envelope Load-Pull System," IEEE/URSI International Conference on Signals, Systems and Electronics ISSSE, Montreal, Canada, pp. 197-200, July 2007.

02:
W. S. El-Deeb, M. S. Hashmi, N. Boulejfen, and F. M. Ghannouchi, "Time-Domain Waveform Measurement System for Characterization of MIMO RF PAs," 12th IEEE Wireless and Microwave Technology Conference, Clear Water, Florida, USA, 2011. (Accepted)

01:
S. J. Hashim, M. S. Hashmi, T. V. Williams, J. Benedikt, and P. J. Tasker, "FPGA-Based Digital RF Control for Active Envelope Load-Pull system," IEE Conference on Embedded Systems and Microelectronics, Birmingham, UK, Oct 2006.