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Building a Coaxial Surge Protection Maintenance Record
Record the exact protector, installation arrangement, inspection dates and suspected surge…
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RF Combining Phase: Why Equal Signals May Cancel
Coherent signals combine according to amplitude and phase, not just arithmetic…
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Thermal Resistance and RF Resistor Temperature Rise
A steady-state thermal model estimates temperature rise from dissipated power and…
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RF Connector Inspection Before Mating
Inspect threads, center contacts and mating surfaces before connecting RF components.…
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Measuring RF Return Loss Correctly
Measure reflection with a calibrated method at the intended connector plane.…
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RF Calibration Interval: How to Decide
Choose a calibration or verification interval from instrument guidance, use, stability,…
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RF Cable Delay and Electrical Length
Cable delay is physical length divided by propagation velocity. Velocity equals…
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RF Attenuation Tolerance: Why Nominal dB Is Not Exact
Attenuation tolerance describes how far actual loss may differ from the…
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What Is a Rotary Step Attenuator?
A rotary step attenuator changes RF attenuation in discrete increments through…
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Selecting a Rotary Attenuator for a Purchase Specification
A purchase specification should define range, increments, frequency band, impedance, input…