Design of 3-4GHz Tunable Low Noise LC-QVCO for IEEE 802.11a WLAN Application. - Harikrishnan Ramiah; Tun Zainal Azni Zulkifli (APCCAS, 2006)

A 10-Gb/s fully balanced differential output transimpedance amplifier in 0.18-μm CMOS technology for SDH/SONET application. - Balasubramaniam Shammugasamy; Tun Zainal Azni Zulkifli (APCCAS, 2008)

A general on-wafer noise figure de-embedding technique with gain uncertainty analysis. - Shukri Korakkottil Kunhi Mohd; Tun Zainal Azni Zulkifli; Othman Sidek (IEICE Electron. Express, 2010)

A 24mW, 5Gb/s fully balanced differential output trans-impedance amplifier with active inductor and capacitive degeneration techniques in 0.18µm CMOS technology. - Balasubramaniam Shammugasamy; Tun Zainal Azni Zulkifli; Harikrishnan Ramiah (IEICE Electron. Express, 2010)

A 1.6 ppm/°C bandgap voltage reference for an extended operating temperature range. - Ruhaifi Abdullah Zawawi; Tun Zainal Azni Zulkifli (IEICE Electron. Express, 2014)

A 2.4/5.2-GHz Concurrent Dual-Band CMOS Low Noise Amplifier. - Sami Sattar; Tun Zainal Azni Zulkifli (IEEE Access, 2017)

Low-Voltage Low-Power Integrable CMOS Circuit Implementation of Integer- and Fractional-Order FitzHugh-Nagumo Neuron Model. - Farooq Ahmad Khanday; Nasir Ali Kant; Mohammad Rafiq Dar; Tun Zainal Azni Zulkifli; Costas Psychalinos (IEEE Trans. Neural Networks Learn. Syst., 2019)

Carbon Nanotube and Resistive Random Access Memory Based Unbalanced Ternary Logic Gates and Basic Arithmetic Circuits. - Furqan Zahoor; Tun Zainal Azni Zulkifli; Farooq Ahmad Khanday; Sohiful Anuar Zainol Murad (IEEE Access, 2020)

Ultra-low-voltage integrable electronic implementation of delayed inertial neural networks for complex dynamical behavior using multiple activation functions. - Farooq Ahmad Khanday; Mohammad Rafiq Dar; Nasir Ali Kant; Tun Zainal Azni Zulkifli; Costas Psychalinos (Neural Comput. Appl., 2020)