If in a radio receiver, RF signal has a frequency of 800 kHz and local – McqOptions

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1.	If in a radio receiver, RF signal has a frequency of 800 kHz and local oscillator that of 1000 kHz, then at the output of the mixer, the frequencies found would be __________ kHz.
A.	800 to 1000
B.	200, 800, 1000, 1800
C.	only 200
D.	only 1800
Answer» D. only 1800

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