Liqun Feng

11 papers C 1Journal 5Unranked 5
YearRankTypeTitle / Venue / Authors
2026 J jnl
A 0.015-mm
IEEE Solid State Circuits Lett.
Qibang Sun, Liqun Feng, Woogeun Rhee, Hanjun Jiang
2025 — conf
A 0.5V 0.55mm
CICC
Liqun Feng, Xuansheng Ji, Qianxian Liao, Longhao Kuang, Yunzhao Nie, Jiahao Zhao, Woogeun Rhee, Zhihua Wang
2025 J jnl
A 0.6-V High-Efficiency BLE Transmitter Using a Hybrid PLL With RDAC-Based Common-Mode Ripple Cancellation in 65-nm CMOS.
IEEE J. Solid State Circuits
Liqun Feng, Qianxian Liao, Longhao Kuang, Jiahao Zhao, Woogeun Rhee, Zhihua Wang
2025 J jnl
An Ultra-Low-Voltage Bias-Current-Free Fractional-N Hybrid PLL With Voltage-Mode Phase Detection and Interpolation.
IEEE J. Solid State Circuits
Liqun Feng, Xuansheng Ji, Longhao Kuang, Qianxian Liao, Su Han, Jiahao Zhao, Woogeun Rhee, Zhihua Wang
2025 C conf
Analysis and Design of Bias-Current-Free Hybrid Phase-Locked Loops with Multi-Phase Time-Interleaved Phase Detector.
ISCAS
Qibang Sun, Liqun Feng, Woogeun Rhee, Zhihua Wang
2024 — conf
14.7 A 0.45V 0.72mW 2.4GHz Bias-Current-Free Fractional-N Hybrid PLL Using a Voltage-Mode Phase Interpolator in 28nm CMOS.
ISSCC
Liqun Feng, Xuansheng Ji, Longhao Kuang, Qianxian Liao, Su Han, Jiahao Zhao, Woogeun Rhee, Zhihua Wang
2024 — conf
A 0.6V Fully-Integrated BLE Transmitter in 65nm CMOS Using a Common-Mode-Ripple-Cancelled Hybrid PLL and a Duty-Cycle-Controlled Class-E/F2 PA Achieving 25% System Efficiency at 0dBm.
A-SSCC
Liqun Feng, Qianxian Liao, Longhao Kuang, Jiahao Zhao, Woogeun Rhee, Zhihua Wang
2024 J jnl
A DTC-Free Fractional-N BBPLL With FIR-Embedded Injection-Locked-Oscillator-Based Phase-Domain Lowpass Filter.
IEEE J. Solid State Circuits
Liqun Feng, Woogeun Rhee, Zhihua Wang
2023 — conf
A 2.6GHz ΔΣ Fractional-N Bang-Bang PLL with FIR-Embedded Injection-Locking Phase-Domain Low-Pass Filter.
CICC
Liqun Feng, Woogeun Rhee, Zhihua Wang
2023 — conf
A Low-Voltage Bias-Current-Free Pseudo-Differential Hybrid PLL Using a Time-Interleaving Flip-Flop Phase Detector.
A-SSCC
Liqun Feng, Qianxian Liao, Woogeun Rhee, Zhihua Wang
2022 J jnl
A Quantization Noise Reduction Method for Delta-Sigma Fractional-N PLLs Using Cascaded Injection-Locked Oscillators.
IEEE Trans. Circuits Syst. II Express Briefs
Liqun Feng, Woogeun Rhee, Zhihua Wang