Choong-Yul Cha

A very low-power quadrature VCO with back-gate coupling

Hye-Ryoung Kim, Choong-Yul Cha, Seungmin Oh et al. · IEEE Journal of Solid-State Circuits · 2004 · 150 citations

Low-power Electronics, Electrical Engineering, Engineering +12

A 5.2-GHz LNA in 0.35-μm CMOS utilizing inter-stage series resonance and optimizing the substrate resistance

Choong-Yul Cha, Sang‐Gug Lee · IEEE Journal of Solid-State Circuits · 2003 · 88 citations

Inter-stage Series Resonance, Electrical Engineering, Engineering +10

Image-rejection CMOS low-noise amplifier design optimization techniques

Trung‐Kien Nguyen, Nam-Jin Oh, Choong-Yul Cha et al. · IEEE Transactions on Microwave Theory and Techniques · 2005 · 69 citations

Notch Filter, Ir Lna, Engineering +10

A complementary Colpitts oscillator in CMOS technology

Choong-Yul Cha, Sang‐Gug Lee · IEEE Transactions on Microwave Theory and Techniques · 2005 · 41 citations

Electrical Engineering, Engineering, Circuit System +11

A low power, high gain LNA topology

Choong-Yul Cha, Sang‐Gug Lee · 2002 · 28 citations

Low-power Electronics, Low Power, High Gain Topologies +4