Personal profile
Research interests
Analog Circuit Design, Rf Circuits, Mmw And Sub,Thz Circuits
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Dive into the research topics where Zainulabideen Khalifa is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
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A 220-GHz BiCMOS Wireless Coherent Transmitter Using Free-Running Oscillators and Kramers–Kronig Technique
Gruber, J., Khalifa, Z., Tavakoli Taba, M., Chen, L., Cathelin, A. & Afshari, E., 2026, In: IEEE Transactions on Microwave Theory and Techniques. 74, 2, p. 1595-1608 14 p.Research output: Contribution to journal › Article › peer-review
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A Fast Back-to-Lock DPLL-Based 192-210-GHz Chirp Generator With +5.9-dBm Peak Output Power for Sub-THz Imaging and Sensing
Chen, L., Taba, M. T., Khalifa, Z., Cathelin, A. & Afshari, E., 1 May 2024, In: IEEE Journal of Solid-State Circuits. 59, 5, p. 1461-1474 14 p.Research output: Contribution to journal › Article › peer-review
4 Scopus citations -
An ultra-fast frequency shift mechanism for high data-rate sub-THz wireless communications in CMOS
Chen, L., Nooshabadi, S., Khoeini, F., Khalifa, Z., Hadidian, B. & Afshari, E., 14 Jun 2021, In: Applied Physics Letters. 118, 24, 242103.Research output: Contribution to journal › Article › peer-review
Open Access6 Scopus citations -
Progress towards fully on-chip frequency-stabilization for sub-terahertz sources
Taba, M. T., Khalifa, Z., Naghavi, S. M. H. & Afshari, E., Jan 2020, 2020 IEEE 20th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2020. Institute of Electrical and Electronics Engineers Inc., p. 30-34 5 p. 9040182. (2020 IEEE 20th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2020).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
2 Scopus citations -
A Caution Against Classifying Sinusoidal Oscillators as Enjoying Fully-Uncoupled Independent Control of Frequency and Condition of Oscillation: Further Evidence
Khalifa, Z. J. & Abuelmaatti, M. T., 2019, In: OLD CITY PUBLISHING INC.Research output: Contribution to journal › Article › peer-review