Category: Knowledge


  • RF Resistor Procurement Details to Request

    RF Resistor Procurement Details to Request

    Request resistance, tolerance, full RF characterization, rated mounting conditions, derating, pulse…

  • Connector Frequency Ratings in a Complete Assembly

    Connector Frequency Ratings in a Complete Assembly

    The usable assembly band is constrained by its components and transitions.…

  • Scalar Versus Vector RF Measurements

    Scalar Versus Vector RF Measurements

    Scalar measurements describe magnitude or power; vector measurements also include phase.…

  • Why Cascaded RF Losses Add in dB

    Why Cascaded RF Losses Add in dB

    Multiplicative linear power ratios become additive when expressed logarithmically. Therefore, matched…

  • RF Attenuator Pulse Ratings: What Average Watts Miss

    RF Attenuator Pulse Ratings: What Average Watts Miss

    Average RF power does not describe the full stress from pulses.…

  • Why High Attenuation Measurements Can Be Limited by Leakage

    Why High Attenuation Measurements Can Be Limited by Leakage

    At high attenuation, unwanted coupling around the attenuator may become larger…

  • Why an RF Dummy Load Gets Hot

    Why an RF Dummy Load Gets Hot

    A dummy load converts accepted RF energy into heat. Temperature rise…

  • RF Dummy Loads in a Portable Test Kit

    RF Dummy Loads in a Portable Test Kit

    A portable kit needs loads suited to the likely power and…

  • DC Blocks and Very-Low-Frequency Signals

    DC Blocks and Very-Low-Frequency Signals

    A coaxial DC block may attenuate or distort signals near or…

  • Surge Protector VSWR: Reading the Specification

    Surge Protector VSWR: Reading the Specification

    VSWR describes RF matching, not transient suppression. Check its stated frequency…