Consider the following applications TV tuningActive filterMicrowave fr – McqOptions

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1.	Consider the following applications TV tuningActive filterMicrowave frequency multiplication In which of above can a varactor diode be used?
A.	1 2 and 3
B.	l and 2 only
C.	1 and 3 only
D.	2 and 3 only
Answer» B. l and 2 only

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