I am trying to do a passive switching mixer volatge conversion gain simulation. The circuit consists of a MOS transistor driving a resistive load. The gate of MOS is driven by a rail to rail square pulse.
I tried the steps given in the Application note "Mixer design using Spectre RF " , but it didn't give meaningful results.
Is there any application note that deals specifically with passive switching mixers with LO being driven by a rai to rail signal or a similar situation ?
There are some challenges with measuring IP3 with passive mixers due to limitations of certain device models (e.g. bsim3v3 and bsim4) - there are a number of academic papers on this problem. But I'm not sure whether this is what you mean by "didn't give meaningful results". That's a rather open statement...
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