Category: Knowledge
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How to Convert Watts to dBm
Convert watts to milliwatts, then take ten times the base-10 logarithm.…
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Why a Passive Pad Before a Receiver Affects Noise Figure
A passive matched attenuator at the reference temperature adds loss before…
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Why Do RF Attenuators Get Hot?
RF attenuators get hot because they dissipate part of the incoming…
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Rotary Attenuator Range Versus Resolution Explained
Range is the span of available attenuation settings; resolution is the…
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Step Attenuator Calibration Records: What to Include
A useful calibration record identifies the unit and reports measured attenuation…
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How Reflected Power Affects a Dummy Load Test
A mismatched load returns part of the incident wave to the…
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Checking DC Isolation Without Misreading the Result
A continuity check can indicate whether the intended conductor is blocked,…
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Surge Protector Bandwidth and Insertion Loss
A coaxial surge protector introduces a frequency-dependent RF path. Confirm its…
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RF Divider Isolation: What It Means
Output-port isolation describes how strongly a signal entering one output couples…
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Specifying a Divider for an Antenna Feed Network
An antenna feed network needs the required division ratio, power handling,…