RF Amplifiers Featured Articles

  1. Characterization Of An Amplifier With The Combination Of Network And Spectrum Analysis 6/29/2023

    The general characterization of complex DUTs such as amplifiers requires the measurement of several parameters. Thanks to its versatility, the R&S® ZNL is an economic solution that can characterize a variety of DUTs both via network analysis and spectrum analysis.

  2. Get Amped Up Over DOCSIS 4.0 Upstream Spectrum 6/9/2023

    Designing amplifiers for DOCSIS 4.0 requires careful consideration of several requirements: higher frequency ranges, higher output power levels and improved noise performance.

  3. Innovations In Pulse Fidelity For High-Power GaN Radar And EW Transmitters 5/24/2023

    Explore the correction of pulse droop and rising edge overshoot with data from Empower’s 40 kW L band long duty cycle liquid cooled pulsed amplifier, Model 2237.

  4. What Is A "Smart" Amplifier? 3/1/2023

    Recent advancements in amplifier design provide substantial improvements in terms of both flexibility and efficiency, creating a new class of "smart amplifiers."

  5. Amplifier Characterization Using Load Pull 2/28/2023

    Load pull is a powerful method for characterizing RF power amplifiers through impedance variation. Load pull enables model extraction and validation as well as performance, ruggedness and efficiency testing.

  6. Amplifier Considerations To Support The Mobile User Objective System 2/17/2023

    The incorporation of more modern waveforms into SATCOM and tactical radio designs drives improved performance, but demands more from the hardware and ancillary products supporting their operation.

  7. A Practical Guide To Noise In Frequency Conversions 2/17/2023

    When RF engineers encounter noise figure problems with the receiver, they can mistakenly conclude that the mixer is not performing properly. In this article, we will illuminate potentially overlooked noise sources in a typical converter.

  8. How Do Amplifiers Affect Signal Phase Noise? 2/17/2023

    Phase noise is critical to systems requiring precise frequency stability. In extremely low phase noise systems, the amplifier phase noise contribution is considered in the signal chain’s phase noise performance

  9. WCMDA PA Bias Method For Lower Junction Temperature 1/26/2023

    If you are without a suitable heat sink below your PA module, discover how you can use SKY65124 with reduced bias control for better thermal performance.

  10. WCDMA PA Bias Method For Lower Junction Temperature: SKY65120 1/25/2023

    This application note describes how SKY65120 may be used with reduced bias control to obtain better thermal performance.