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I am using the HMC641 SP4T switch in a new design. A parameter of interest to me is Output to output isolation. This is not explicit in the data sheet (although may be implied by the common to output on/off ratio). The downloaded s5p file indicates 42 dB,

Question asked by johnbrunner on Nov 6, 2014
Latest reply on Nov 17, 2014 by MN.Pang

I am using the HMC641 SP4T switch in a new design. A parameter of interest to me is Output to output isolation. This is not explicit in the data sheet (although may be implied by the common to output on/off ratio). The downloaded s5p file indicates 42 dB, which seems consistent with the data sheet RFC-RFX isolations. Is there a reason for the 20 dB difference, specifically a reason that may yield a measureable 60 dB result ?

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