FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

Switch License

Question E7E08

From subelement E7 - E7E

E7E08
Answer: C

What are the principal frequencies that appear at the output of a mixer?

ATwo and four times the input frequency
BThe square root of the product of input frequencies
CThe two input frequencies along with their sum and difference frequencies
D1.414 and 0.707 times the input frequency