James Chingwei Li

Transimpedance amplifier for Lidar system

Lidar spectrum analyzer

Metallic sub-collector for HBT and BJT transistors

WIDEBAND SIGMA DELTA MODULATOR RECEIVER FOR FM SIGNAL RECEPTION

Interleaved sigma delta modulator based SDR transmitter

Method and apparatus for temperature compensation for data converters for automobile applications

Apparatus for multi carrier aggregation in a software defined radio

Tunable bandpass filter

COMPACT 3D RECEIVER ARCHITECTURE USING SILICON GERMANIUM THRU SILICON VIA TECHNOLOGY

METHOD AND APPARATUS FOR JOINT EQUALIZATION AND NOISE SHAPING IN A SOFTWARE DEFINED RADIO

Dynamic frequency correction in delta-sigma based software defined receiver

DYNAMIC FREQUENCY CORRECTION IN DELTA-SIGMA BASED SOFTWARE DEFINED RECEIVER

LOCATION AWARE SOFTWARE DEFINED RADIO OPTIMIZATION ARCHITECTURE

Method and apparatus for hybrid delta-sigma and Nyquist data converters

Performance optimization of power scaled delta sigma modulators using a reconfigurable gm-array

Testing tone free close loop notch frequency calibration for delta-sigma data converters

Digital predistortion linearization for power amplifiers

Monolithic integration of GaN and InP components

Calibration techniques for sigma delta transceivers

Monolithic integration of GaN and InP components

Method for forming metallic sub-collector for HBT and BJT transistors

Power efficient, variable sampling rate delta-sigma data converters for flexible radio communication systems

Transceiver front-end circuit for a cellular radio that employs components for reducing power consumption

Software programmable, multi-segment capture bandwidth, delta-sigma modulators for flexible radio communication systems

Optimized data converter design using mixed semiconductor technology for flexible radio communication systems

High oversampling ratio dynamic element matching scheme for high dynamic range digital to RF data conversion for radio communication systems

Dynamic range of wideband RF front end using delta sigma converters with envelope tracking and injected digitally equalized transmit signal

Software programmable cellular radio architecture for wide bandwidth radio systems including telematics and infotainment systems

ADAPTIVE WIRELESS BASEBAND INTERFACE

Test structure to monitor the in-situ channel temperature of field effect transistors

Power efficient, variable sampling rate delta-sigma data converters for cellular communications systems

Optimized data converter design using mixed semiconductor technology for cellular communications

Software programmable, multi-segment capture bandwidth, delta-sigma modulators for cellular communications

High oversampling ratio dynamic element matching scheme for high dynamic range digital to RF data conversion for cellular communications

Software programmable cellular radio architecture for telematics and infotainment

Fabrication of self aligned base contacts for bipolar transistors

Thermal management for heterogeneously integrated technology

Agile radio architecture

Modulation doped super-lattice base for heterojunction bipolar transistors

Metallic sub-collector for HBT and BJT transistors

Test structure to monitor the in-situ channel temperature of field effect transistors

Carbon-beryllium combinationally doped semiconductor

Modulation doped super-lattice base for heterojunction bipolar transistors

Modulation doped super-lattice sub-collector for high-performance HBTs and BJTs

Electronic device with reduced interface charge between epitaxially grown layers and a method for making the same

Electronic device with reduced interface charge between epitaxially grown layers and a method for making the same

Interconnect with high aspect ratio plugged vias