SMA connectors in three different configurations were investigated for variation of reflection coefficient magnitude and insertion loss for a given SMA connector connect-disconnect sequence. Repeatability measurements were taken over the frequency range of 2 to 18 GHz on the NBS Automatic Network Analyzer. Plots are given that show the SMA connector repeatability for both reflection coefficient magnitude and insertion loss as a function of frequency.
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R L. Jesch (1976) studied this question.
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