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RF Cable Shielding and Unwanted Coupling
Cable shielding reduces unwanted electromagnetic coupling, but its performance depends on…
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Why Cable Movement Can Invalidate a Precise RF Comparison
Moving a cable can change its phase, loss or connector stress.…
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3 dB, 6 dB and 10 dB Attenuation in Power Terms
Attenuation in dB represents a power ratio. Approximately 3 dB halves…
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Attenuators Before an LNA: Protection Versus Sensitivity
An attenuator before a low-noise amplifier reduces both wanted signal and…
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Rotary Attenuator Repeatability: How to Check It
Repeatability describes how closely repeated selections return to the same measured…
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How to Choose Dummy Load Power Capacity
Select power capacity using maximum continuous input, pulse conditions and the…
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What to Include in an RF Dummy Load Purchase Request
Specify impedance, frequency band, matching limit, continuous and pulse power, connector…
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RF Power Handling in a DC Block
DC block power handling depends on capacitor voltage and current stress,…
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Weather Exposure and Coaxial Protector Installation
Outdoor use requires documented environmental suitability for the protector and all…
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Two-Way Versus Four-Way RF Power Division
More equal outputs mean less power per branch before excess losses.…