E2A03

How is an upload signal processed by an inverting linear transponder?

1. AThe signal is detected and remodulated on the reverse sideband
2. BThe signal is passed through a nonlinear filter
3. CThe signal is reduced to I and Q components, and the Q component is filtered out
4. DThe signal is mixed with a local oscillator signal and the difference product is transmitted

Pick an answer to check it.