Integral Noise Shaping for Quantization of PWM
technical_paper
Directory
Public engineering firm profile
ADX Research, Inc.
Schaumburg, IL
Innovative Solutions, Exceptional Performance
- Services
- 15
- Offices
- 1
- Leaders
- 6
- Founded
- 2009
- Size Estimate
- 1-10 employees
Overview
ADX Research, Inc. is an engineering consulting practice specializing in analog, digital, and switching circuits and systems. Its core expertise spans digital Class D audio amplifiers, high-performance switching power conversion, supply modulation of RF power amplifiers, switching RF generation and amplification, and RF power amplifier linearization. It also licenses innovative proprietary solutions that enable products with reduced cost, size, and power dissipation.
- Founded
- 2009
- Size Estimate
- 1-10 employees
Services
System Design
End-to-end engineering of mixed-signal applications, incorporating power electronics, communications, and sampled data systems.
Circuit Design
Development of custom analog, digital, and switching circuits tailored to specific application requirements.
Mixed-Signal CMOS IC Design
Custom integrated circuit design targeting standard CMOS process technologies, focusing on mixed-mode applications.
Algorithm Development and Implementation
Mathematical modeling and logic implementation of signal processing and control algorithms for hardware and software platforms.
System Prototyping
Physical hardware fabrication, embedded programming, and laboratory validation of developed concepts.
IP Development and Licensing
Creation and deployment of proprietary silicon and algorithmic intellectual property designed to optimize product footprint, cost, and efficiency.
Industries
Firm type
Leadership
Pallab Midya
President
Ph.D., Electrical Engineering, University of Illinois Urbana-Champaign
Pallab has over 40 years of experience in power conversion and integrated system design. He held the position of Distinguished Member of the Technical Staff at Motorola and subsequently Freescale Semiconductor. He has worked on class D audio amplifiers, RF power amplifiers, data converters, DC to DC converters, and alternative energy systems. Pallab has 60 issued US patents, 8 patents pending, and 40 technical publications.
Abhijit Bhattacharyya
Fellow
Ph.D., Mechanical Engineering, California Institute of Technology; MD, Tufts University School of Medicine
Multidisciplinary professional with 20+ years of experience in product development and research in engineering and medicine. Recognized for excellence in industry and academia with specialization in fluid mechanics.
César Pascual
Fellow
Ph.D., Electrical Engineering, University of Illinois Urbana-Champaign
Over 35 years of experience in power electronics, system design, and embedded design. Work spans industrial power electronics equipment, all-digital audio amplifiers, high-power LED lighting, biomedical instrumentation, and television equipment. Inventor in two US patents with five technical publications.
Adip Dutta
Fellow
Electrical Engineering
Extensive experience in system design, hardware and software design. Former senior scientist for the government of India and held system design lead positions at startups. Areas of expertise include power electronics, microcontroller and FPGA programming.
Uma Ekambaram Iyer
Fellow
Ph.D., Electrical and Computer Engineering, University of Illinois at Urbana-Champaign
Over 25 years of experience in power electronics design, circuit and system simulation, and software tool development for IC design. Spent several years developing commercial tools in the Electronic Design Automation industry.
John Ribe
Fellow
Joined ADX Research after his tenure as Senior Member of Technical Staff at Texas Instruments from 1979 to 2008, serving as manager, team leader, and individual contributor on numerous ASIC designs that exceeded $1 billion in business for TI. Current focus is FPGA programming.
Publications
High Performance Digital Feedback for PWM Digital Audio Amplifiers
technical_paper
Recursive Natural Sampling for Digital PWM
technical_paper
Asynchronous Sample Rate Converter for Digital Audio Amplifiers
technical_paper
Generation of Variable Frequency Digital PWM
technical_paper
Large-Signal Design and Performance of a Digital PWM Amplifier
technical_paper
Buck or Boost Tracking Power Converter
technical_paper
Tracking Power Converter for Supply Modulation of RF Power Amplifiers
technical_paper
Distortionless RF PWM
technical_paper
Quadrature Integral Noise Shaping for Generation of Modulated RF Signals
technical_paper
An All-Digital Universal RF Transmitter
technical_paper