Accurate Noise Figure Measurement in ERZIA K/Ka-Band Low Noise Amplifiers for Satcom Applications

The importance of accurate noise measurements has been presented in this tech brief, proposing the use of the cold-source method with source correction to characterize K/Ka-Band LNAs for Satcom applications. The method has been described and applied to ERZIA amplifiers for LNA Ka-Band Satcom, confirming industry leading noise figures of 1.4 dB and 1.3 dB as maximum and typical values of 1.2 dB and 1.05 dB respectively. The accuracy of the measured values using the proposed method has also been confirmed with very low uncertainties, resulting less than 0.1 dB in both cases.

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