Re: Mounting Low Pass Filter Relays On Bottom of Circuit Board
Already tried that a long time ago - didn't make much, if any difference on my Siglent SSA 3021X spectrum analyzer so not really worth the trouble IMO.
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W0EB
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From: "wishbone_aaa" <dlmock@localnet.com> To: BITX20@groups.io Sent: 6/9/2019 7:51:42 PM Subject: [BITX20] Mounting Low Pass Filter Relays On Bottom of Circuit Board While replacing the four low pass filter relays with Axicom units, a thought occurred to mount the relays on the bottom side of the circuit board. The bottom side is mostly a ground plane. Wonder if there might be any advantage in isolation of signals ? Have no way of measuring. Perhaps someone with more RF experience can comment.
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