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    RF amplifiers convert low-power RF signals into higher-power signals suited for driving antennas or other circuitry.
    Dreamstime_ra3rn_131046541
    dreamstime_ra3rn_131046541
    March 19, 2025
    Part 1 covered the fundamental frequency-response measurement method and how to use it to measure the analog input bandwidth for an ADC. Part 2 discusses the DAC’s analog output...
    Dreamstime_ra3rn_13104654
    dreamstime_ra3rn_13104654
    Jan. 24, 2025
    This two-part article series explains the fundamental frequency-response measurement method as applied to both ADCs and DACs, with or without internal digital downconverter or...
    170119903 © Andrei Zaretski | Dreamstime.com
    July 18, 2024
    Aerospace and defense systems rely heavily on RF/microwave power amplifiers to send often complex-modulated signals to their destinations. Learn more about key specifications ...
    Promo 1
    Aug. 5, 2022
    Learn about a 4-way, 60-GHz PA designed and fabricated in a standard 90-nm CMOS process. The strategy broke up the amp into its basic components, optimized the model parameters...
    Promo 366404 Fig 03
    Jan. 26, 2022
    For digital predistortion implementations, static quantitative data fails to capture many challenges, risks, and performance tradeoffs of real-world scenarios. Here's how to get...

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    Developed by Ampleon, this asymmetric Doherty RF power transistor offers moderate gain and high efficiency in a band centered at 2.5 GHz.
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    By leveraging advanced software, accurate results were obtained in the design, simulation, and testing of a power amplifier. This article is a study focused on unconditional stability...
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    Discrete GaN transistors, whether in die or packaged forms, offer high power density to boost pulsed signals in C-, L-, and S-band radars and communications applications.
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    Signal switching is critical in many RF applications, so it’s important for users to select the correct type of switch for their high-power apps.
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    This novel design method helps improve gain for the dual-fed DA by approximating gain using the Chebyshev polynomial.
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    Solid-state technology, mainly in the form of gallium-nitride transistors, is opening the door to more powerful, “tube-like” microwave power amplifiers.
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    Power-amplifier (PA) designers can take advantage of software that allows them to utilize complex load-pull data sets, thereby streamlining the design process.
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    Jan. 5, 2017
    This year, expect to see the RF/microwave industry produce solutions that push technological boundaries to meet new and emerging requirements.
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    Nov. 19, 2016
    The electrical and mechanical design approaches taken with high-power RF/microwave amplifiers depend on whether they are intended for pulsed or CW applications.
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    May 27, 2015
    Requirements are somewhat different for circuit materials supporting RF/microwave power amplifiers compared to materials for low-noise amplifiers.
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    June 12, 2014
    The choice of printed-circuit-board material can have an impact on the performance possible from an RF/microwave high-frequency LNA design.
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    This opening installment of an eight-part design series explains the concept of S-parameters and how they can be used to create basic transistor bias circuitry.