Based on the theory of a balance modulator what signal would be eliminated and what signals
would be generated.

Question

radar · Answer

The injection signal (mixing signal) and the carrier signal would be eliminated, the sum and difference (upper and lower sidebands) would be generated.

anonymous · Answer

ok so it wud be Fc + Fm and Fc - Fm?

radar · Answer

Those would be the outputs, the inputs would effectively cancelled or balanced out.

radar · Answer

Fc would be the carrier frequency, Fm would be the modulating frequency or frequencies (as modulation has information)

radar · Answer

Since the information is replicated in Fc+Fm, and Fc-Fm, usually one of them is eliminated by filtering or phasing.

anonymous · Answer

ok what's the formula for minimum sampling rate?

radar · Answer

Depends on the content of the signal that you wish to sample, it is stated that the minimum sampling rate should be at least twice the highest frequency component of the signal being sampled.