Yeah I think it's a self resonant point. When I get some time, I'll stick the layout in Ansys HFSS and see what causes it. Needs a layout tweak, I suspect.
The SNR still seems to be better in that region, despite the raised noise floor, so it hasn't been a priority for me.
Indeed George. Noise is a bit more around 15m but signals also. SNR seems to be the same.
I am very happy with the Wellgood. It's a very good replacement for the broken Wellbrook preamp.
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The SNR still seems to be better in that region, despite the raised noise floor, so it hasn't been a priority for me.
I am very happy with the Wellgood. It's a very good replacement for the broken Wellbrook preamp.