Hello,
I was wondering if anybody experimented with frequencies above 30MHz for FET
switch
demodulation. If I had a carrier frequency of say 900MHz in ISM, or some lower
carrier for
remotes like 315MHz, can I get away with undersampling and a really good
mechanical
selective waveguide?
To get a higher switching frequency I could always use the FET swithches not in
direct
downconversion quadrature, but in a near zero IF superhet structure. I'm just
wondering
how far can I go using undersampling?
Frank
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