Category: RF Measurement & Calibration
Practical rf measurement & calibration guides with product links, examples and specification checks.
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Spectrum Analyzer Overload Versus Noise Floor
Overload distorts a measurement at excessive input level; the noise floor…
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Resolution Bandwidth in RF Spectrum Measurements
Resolution bandwidth affects frequency discrimination, noise visibility and measurement time. Choose…
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RF Power Sensor Range and Attenuation
Choose a power sensor and protective path that keep the sensor…
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RF Measurement Uncertainty: What to Include
Measurement uncertainty accounts for imperfect knowledge of the result, including instrument…
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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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Scalar Versus Vector RF Measurements
Scalar measurements describe magnitude or power; vector measurements also include phase.…
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Using an Attenuator to Check Measurement Linearity
Controlled attenuation changes can help test whether measured levels follow expected…
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RF Harmonic Measurements with an External Attenuator
Use attenuation rated for both source power and the frequencies being…
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Measuring High Attenuation Near the Instrument Floor
High attenuation requires sufficient dynamic range, low leakage and a suitable…
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VNA Port Extension Versus Full Calibration
Port extension typically compensates a defined electrical delay and sometimes loss;…