RF and Microwave

RF and Microwave Datasheet Specification Comparison

How to compare RF and microwave datasheets when values depend on band, test frequency, impedance, temperature, and operating mode.

Why this comparison matters

The source context determines whether values can be compared.

Gain, loss, and noise figure are frequency-dependent and may not compare at a single headline value.

dB values are logarithmic and should not be converted like linear units.

Power ratings need average, peak, pulsed, CW, and duty-cycle context.

Common datasheet labels

Labels and aliases to preserve before mapping.

frequency rangegaininsertion lossreturn lossVSWRnoise figureP1dBIP3output powerimpedance

Unit normalization

Normalize only when the unit family and condition are compatible.

PropertySource formatsCanonical formatReview note
FrequencyHz, kHz, MHz, GHzHz or GHz displayRange overlap is usually more useful than higher-or-lower scoring.
Gain and lossdB, dBi, dBcdB familyKeep gain, loss, shielding, and relative carrier values separate.
RF powerdBm, W, mWW and dBm displayCompare only when modulation, duty cycle, and frequency are compatible.

Worked comparison example

Originals first. Normalized values second. Review last.

SpecSheet A OriginalSheet B OriginalSheet A NormalizedSheet B NormalizedReview
Frequency range2 to 18 GHz2000 to 18000 MHz2 to 18 GHz2 to 18 GHzEquivalent band
Gain17 dB typ at 10 GHz19 dB typ at 6 GHz17 dB typ at 10 GHz19 dB typ at 6 GHzDifferent test frequency

Review warnings

Values that should not be accepted automatically.

Do not compare RF performance without frequency and impedance context.

Do not treat dB, dBi, dBc, and dBm as the same unit family.

Typical gain or noise figure is not a guaranteed minimum or maximum.

How SpecCore handles this

Formula-first comparison output for engineering review.

SpecCore preserves RF units, frequency conditions, typical/min/max value type, and review flags so comparison rows remain inspectable.

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