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What is the value of magnification of the Cassegrain antenna if its sub-reflector eccentricity is 2?

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What is the value of magnification of the Cassegrain antenna if its sub-reflector eccentricity is 2?

(a) 3

(b) 2

(c) 1/3

(d) 1/2

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My question is based upon Basics in division Reflector Antenna of Antennas

1 Answer

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Best answer
Right choice is (a) 3

Easy explanation: Given eccentricity e=2

Magnification \(M=\frac{e+1}{e-1}=3 \)

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