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Why an RF Resistor Needs a Heatsink
A high-power RF resistor may rely on a specified heatsink to…
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RF Resistor Procurement Details to Request
Request resistance, tolerance, full RF characterization, rated mounting conditions, derating, pulse…
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Connector Frequency Ratings in a Complete Assembly
The usable assembly band is constrained by its components and transitions.…
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Scalar Versus Vector RF Measurements
Scalar measurements describe magnitude or power; vector measurements also include phase.…
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Why Cascaded RF Losses Add in dB
Multiplicative linear power ratios become additive when expressed logarithmically. Therefore, matched…
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RF Attenuator Pulse Ratings: What Average Watts Miss
Average RF power does not describe the full stress from pulses.…
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Why High Attenuation Measurements Can Be Limited by Leakage
At high attenuation, unwanted coupling around the attenuator may become larger…
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Why an RF Dummy Load Gets Hot
A dummy load converts accepted RF energy into heat. Temperature rise…
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RF Dummy Loads in a Portable Test Kit
A portable kit needs loads suited to the likely power and…
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DC Blocks and Very-Low-Frequency Signals
A coaxial DC block may attenuate or distort signals near or…