Re: QMX RX BPF troubleshooting, a new clue
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Yes Ryuji, I agree completely. The only complaining factor is that the series LC? BPF has to deal with that complexity!
JZ
On Tue, Sep 26, 2023, 4:06 PM Ryuji Suzuki AB1WX < ab1wx@...> wrote: JZ, I did not study your previous discussion on this topic, but I think the frequency-dependent input impedance of the multiplexer-based quadrature mixer circuit to be a positive asset rather than a concern. It only helps reduce out-of-band signals depending on how steep the impedance curve is.
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