News

  • Three Dimensional Transmission Lines and Power Divider Circuits

    Three Dimensional Transmission Lines and Power Divider Circuits

    We report the development of a number of novel broadband 3D circuits. We present the performance of a 3D X-band 4-way Wilkinson Divider. Excellent performance is also obtained from a delay line, and b...

    Read more
  • CMOS PA For Wireless Applications

    CMOS PA For Wireless Applications

    The purpose of this work is to investigate the feasibility of using CMOS PA for wireless communications such as cell phone, WiFi and WiMAX. Our result indicates that we have successfully demonstrated ...

    Read more
  • On Microwave Ultra-Broadband Power Amplifier

    On Microwave Ultra-Broadband Power Amplifier

    We report an innovative design approach to develop ultra-broadband power amplifier. This novel approach is an alternative to the traveling wave configuration. Our novel design uses the High-Voltage Hi...

    Read more
  • Ultra-Broadband GaAs HIFET MMIC PA

    Ultra-Broadband GaAs HIFET MMIC PA

    This paper reports the first MMIC using the HIFET (High-Voltage, High-Impedance FET) concept with very broadband power performance and small die size. This GaAs MMIC power amplifier has a gain of 21dB...

    Read more
  • High-Power GaN MMIC PA Over 40-4000MHz

    High-Power GaN MMIC PA Over 40-4000MHz

    We report a high-performance GaN MMIC power amplifier operating from 40MHz to 4,000MHz. The MMIC achieved 80W pulsed (100us pulse width and 10% duty cycle) output power (P5dB) with 54% efficiency at 4...

    Read more
  • Linearity Enhancement for GaN HEMT Amplifier using Parallel Transistors with Independent Gate Bias Control

    Linearity Enhancement for GaN HEMT Amplifier using Parallel Transistors with Independent Gate Bias Control

    Kanika Saini, Sanjay Raman, Amin K. Ezzeddine, Ho C Huang: Linearity Enhancement for GaN HEMT Amplifier using Parallel Transistors with Independent Gate Bias Control.GaN HEMTs have high output power d...

    Read more