Re: FET Questions
OK it's not FET but one of the late-1960s RSGB books I've got [Amateur Radio Techniques?] mentions a US "Fisher" FM-tuner where the antenna is fed through a single tuned-circuit then into a 4-hot-carrier-diode ring-mixer - the article mentions that this was done to give better strong-signal handling than could easily be achieved with current-generation bipolar devices.
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