Question
Why are tuned amplifiers preferred at radio frequency? Based on their frequency
response, compare the single and double tuned RF amplifiers.
Answer :
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tuned RF stage consists of an amplifying device, a triode (or in later sets a tetrode) vacuum tube, and a tuned circuit which performs the filtering function. The tuned circuit consisted of an air-core RF coupling transformer which also served to couple the signal from the plate circuit of one tube to the input grid circuit of the next tube. One of
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