A 1-20 GHz Distributed, Stacked SiGe Power Amplifier. - Sunil Rao; Tianyu Chang; Ickhyun Song; Moon-Kyu Cho; John D. Cressler (BCICTS, 2018)

Design and Analysis of a Low Loss, Wideband Digital Step Attenuator With Minimized Amplitude and Phase Variations. - Ickhyun Song; Moon-Kyu Cho; John D. Cressler (IEEE J. Solid State Circuits, 2018)

A 2-20 GHz SiGe Amplitude Control Circuit with Differential Signal Selectivity for Wideband Reconfigurable Electronics. - Moon-Kyu Cho; Ickhyun Song; Nelson E. Lourenco; Adilson S. Cardoso; Christopher T. Coen; Douglas R. Denison; John D. Cressler (BCICTS, 2019)

A New Wideband, Low Insertion Loss SiGe Digital Step Attenuator A New Wideband, Low Insertion Loss SiGe Digital Step Attenuator. - Clifford D. Y. Cheon; Moon-Kyu Cho; Sunil G. Rao; Adilson S. Cardoso; Jeffrey D. Connor; John D. Cressler (BCICTS, 2020)

Design of an 18-50 GHz SiGe HBT Cascode Non-uniform Distributed Power Amplifier. - Seokchul Lee; Inchan Ju; Yunyi Gong; Adilson S. Cardoso; Jeffrey D. Connor; Moon-Kyu Cho; John D. Cressler (BCICTS, 2020)

A Two-Way Wideband Active SiGe BiCMOS Power Divider/Combiner for Reconfigurable Phased Arrays With Controllable Beam Width. - Moon-Kyu Cho; Ickhyun Song; John D. Cressler (IEEE Access, 2020)

A S/C/X/Ku-band, 4-Tap, Digitally Controllable Analog FIR Filter with Reconfigurable Bandwidth and RF Filtering Profile. - Moon-Kyu Cho; Ickhyun Song; Nelson E. Lourenco; Adilson S. Cardoso; Christopher T. Coen; William B. Hunter; Douglas R. Denison; John D. Cressler (BCICTS, 2021)

Design Methodology for a Wideband, Low Insertion Loss, Digital Step Attenuator in SiGe BiCMOS Technology. - Clifford D. Y. Cheon; Sunil G. Rao; Wonsub Lim; Adilson S. Cardoso; Moon-Kyu Cho; John D. Cressler (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

Wideband SiGe-HBT Low-Noise Amplifier with Resistive Feedback and Shunt Peaking. - Ickhyun Song; Gyungtae Ryu; Seung Hwan Jung; John D. Cressler; Moon-Kyu Cho (Sensors, 2023)

A Single-Ended-to-Differential Low-Noise Amplifier With Transformer-Based Feedback Network for 3-5 GHz UWB Applications. - Ickhyun Song; Sang Gyun Kim; Seung Hwan Jung; Moon-Kyu Cho (IEEE Access, 2024)