Ahmed A. Helmy

Reduced-size ultra-wideband true-time-delay beam-forming receivers

Kamran Entesari, Ahmed A. Helmy, 2011, 2011 IEEE International Symposium of Circuits and Systems (ISCAS).

A review of frequency synthesizer-based microwave chemical sensors for dielectric detection of organic liquids

Kamran Entesari, Vikram Sekar, Ahmed A. Helmy, 2013, WAMICON 2013.

An Inductor-Less Noise-Cancelling Broadband Low Noise Amplifier With Composite Transistor Pair in 90 nm CMOS Technology

Edgar Sánchez-Sinencio, Kamran Entesari, Mohamed El-Nozahi, 2011, IEEE Journal of Solid-State Circuits.

A Self-Sustained CMOS Microwave Chemical Sensor Using a Frequency Synthesizer

Kamran Entesari, José Silva-Martínez, Jusung Kim, 2012, IEEE Journal of Solid-State Circuits.

Complex Permittivity Detection of Organic Chemicals and Mixtures Using a 0.5–3-GHz Miniaturized Spectroscopy System

Kamran Entesari, Masoud Moslehi Bajestan, Ahmed A. Helmy, 2013, IEEE Transactions on Microwave Theory and Techniques.

A CMOS Fractional- $N$ PLL-Based Microwave Chemical Sensor With 1.5% Permittivity Accuracy

Samuel Palermo, Kamran Entesari, Ahmed A. Helmy, 2013, IEEE Transactions on Microwave Theory and Techniques.

A 0.62–10 GHz Complex Dielectric Spectroscopy System in CMOS

Kamran Entesari, Hajir Hedayati, Masoud Moslehi Bajestan, 2014, IEEE Transactions on Microwave Theory and Techniques.

A 0.62–10GHz CMOS dielectric spectroscopy system for chemical/biological material characterization

Kamran Entesari, Hajir Hedayati, Masoud Moslehi Bajestan, 2014, 2014 IEEE MTT-S International Microwave Symposium (IMS2014).