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Ahmed A. Helmy
Ahmed A. Helmy
senior Engineer, Qualcomm Technologies Inc
Verified email at neo.tamu.edu
Title
Cited by
Cited by
Year
A 2.8-mW sub-2-dB noise-figure inductorless wideband CMOS LNA employing multiple feedback
EA Sobhy, AA Helmy, S Hoyos, K Entesari, E Sánchez-Sinencio
IEEE Transactions on Microwave Theory and Techniques 59 (12), 3154-3161, 2011
1272011
A self-sustained CMOS microwave chemical sensor using a frequency synthesizer
AA Helmy, HJ Jeon, YC Lo, AJ Larsson, R Kulkarni, J Kim, ...
IEEE Journal of Solid-State Circuits 47 (10), 2467-2483, 2012
1122012
An inductor-less noise-cancelling broadband low noise amplifier with composite transistor pair in 90 nm CMOS technology
M El-Nozahi, AA Helmy, E Sánchez-Sinencio, K Entesari
IEEE Journal of Solid-State Circuits 46 (5), 1111-1122, 2011
1022011
CMOS distributed amplifiers with extended flat bandwidth and improved input matching using gate line with coupled inductors
K Entesari, AR Tavakoli, A Helmy
IEEE Transactions on Microwave Theory and Techniques 57 (12), 2862-2871, 2009
652009
A CMOS Fractional- PLL-Based Microwave Chemical Sensor With 1.5% Permittivity Accuracy
O Elhadidy, M Elkholy, AA Helmy, S Palermo, K Entesari
IEEE Transactions on Microwave Theory and Techniques 61 (9), 3402-3416, 2013
602013
A 0.62–10 GHz complex dielectric spectroscopy system in CMOS
MM Bajestan, AA Helmy, H Hedayati, K Entesari
IEEE Transactions on Microwave Theory and Techniques 62 (12), 3522-3537, 2014
552014
A 1–8-GHz Miniaturized Spectroscopy System for Permittivity Detection and Mixture Characterization of Organic Chemicals
AA Helmy, K Entesari
IEEE, 2012
482012
Integrated systems for biomedical applications: Silicon-based rf\/microwave dielectric spectroscopy and sensing
K Entesari, AA Helmy, M Moslehi-Bajestan
IEEE Microwave Magazine 18 (5), 57-72, 2017
432017
Complex permittivity detection of organic chemicals and mixtures using a 0.5–3-GHz miniaturized spectroscopy system
AA Helmy, S Kabiri, MM Bajestan, K Entesari
IEEE transactions on microwave theory and techniques 61 (12), 4646-4659, 2013
402013
Optimal Conditions for Micromachining Si< sub> 1−< span class=
S Sedky, A Bayoumy, A Alaa, A Nagy, A Witvrouw
Microelectromechanical Systems, Journal of 16 (3), 581-588, 2007
24*2007
A 0.62–10GHz CMOS dielectric spectroscopy system for chemical/biological material characterization
MM Bajestan, AA Helmy, H Hedayati, K Entesari
2014 IEEE MTT-S International Microwave Symposium (IMS2014), 1-4, 2014
202014
A 2–1100 MHz wideband low noise amplifier with 1.43 dB minimum noise figure
M El-Nozahi, AA Helmy, E Sánchez-Sinencio, K Entesari
2010 IEEE Radio Frequency Integrated Circuits Symposium, 119-122, 2010
122010
A 1-to-8 GHz miniaturized dielectric spectroscopy system for chemical sensing
AA Helmy, K Entesari
2012 IEEE/MTT-S International Microwave Symposium Digest, 1-3, 2012
102012
Reduced-size ultra-wideband true-time-delay beam-forming receivers
AA Helmy, K Entesari
2011 IEEE International Symposium of Circuits and Systems (ISCAS), 1287-1290, 2011
72011
A miniaturized spectroscopy system for complex permittivity detection of organic mixtures in the 0.65–2 GHz frequency range
AA Helmy, S Kabiri, MM Bajestan, K Entesari
2013 IEEE MTT-S International Microwave Symposium Digest (MTT), 1-4, 2013
42013
A review of frequency synthesizer-based microwave chemical sensors for dielectric detection of organic liquids
K Entesari, AA Helmy, V Sekar
WAMICON 2013, 1-3, 2013
22013
Novel RF/Microwave Circuits And Systems for Lab on-Chip/on-Board Chemical Sensors
AM Abbas Mohamed Helmy
Texas A&M University, 0
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Articles 1–17