The effect of gate leakage on the noise figure of AlGaN/GaN HEMTs

C. Sanabria, A. Chakraborty, Hongtao Xu, +3

IEEE Electron Device Letters

Wide-bandgap SemiconductorElectrical EngineeringEngineeringRf SemiconductorNanoelectronics +10

A Flip-Chip-Packaged 25.3 dBm Class-D Outphasing Power Amplifier in 32 nm CMOS for WLAN Application

Hongtao Xu, Yorgos Palaskas, Ashoke Ravi, +3

IEEE Journal of Solid-State Circuits

Low-power ElectronicsElectrical EngineeringWlan ApplicationEngineeringRf Semiconductor +10

A C-band high-dynamic range GaN HEMT low-noise amplifier

Hongtao Xu, C. Sanabria, Alessandro Chini, +3

IEEE Microwave and Wireless Components Letters

Electrical EngineeringEngineeringRf SemiconductorHigh-frequency DeviceElectronic Engineering +7

A 2.4-GHz 20–40-MHz Channel WLAN Digital Outphasing Transmitter Utilizing a Delay-Based Wideband Phase Modulator in 32-nm CMOS

Ashoke Ravi, Paolo Madoglio, Hongtao Xu, +10

IEEE Journal of Solid-State Circuits

Wide OfdmMulti-carrier CommunicationRadio FrequencyHigh-frequency DeviceOfdm System +6

A Transformer-Combined 31.5 dBm Outphasing Power Amplifier in 45 nm LP CMOS With Dynamic Power Control for Back-Off Power Efficiency Enhancement

Wei Tai, Hongtao Xu, Ashoke Ravi, +4

IEEE Journal of Solid-State Circuits

Electrical EngineeringEngineeringPower IcPower AmplifierEnergy Efficiency +10

A Broadband Switched-Transformer Digital Power Amplifier for Deep Back-Off Efficiency Enhancement

Yun Yin, Tong Li, Liang Xiong, +4

IEEE Journal of Solid-State Circuits

Average PaeElectrical EngineeringEngineeringLong Term EvolutionElectric Power Conversion +4

A high-efficiency class-E GaN HEMT power amplifier at 1.9 GHz

Hongtao Xu, Si‐Ping Gao, S. Heikman, +3

IEEE Microwave and Wireless Components Letters

Wide-bandgap SemiconductorElectrical EngineeringPower DensityEngineeringRf Semiconductor +7

13.6 A 2.4GHz WLAN digital polar transmitter with synthesized digital-to-time converter in 14nm trigate/FinFET technology for IoT and wearable applications

Paolo Madoglio, Hongtao Xu, Kailash Chandrashekar, +19

Low-power ElectronicsSynthesized Digital-to-time ConverterElectrical EngineeringEngineeringDigital-rich Socs +11

A 20dBm 2.4GHz digital outphasing transmitter for WLAN application in 32nm CMOS

Paolo Madoglio, Ashoke Ravi, Hongtao Xu, +9

Digital Wifi TransmitterWlan ApplicationAnalog-to-digital ConverterRadio FrequencyHigh-frequency Device +7

A Gesture Air-Writing Tracking Method that Uses 24 GHz SIMO Radar SoC

Pengcheng Wang, Junyang Lin, Fuyue Wang, +4

IEEE Access

RadarEngineeringAerospace EngineeringRadar ChipWearable Technology +8