Physics · Communication Systems
In a Time Division Multiplexing (TDM) system, how are the non-essential high-frequency components of a modulating signal removed before sampling to prevent distortion?
- 1By utilizing an attenuator circuit
- 2By adjusting the sample-and-hold clock
- 3By passing the signal through a pre-alias filter✓
- 4By directly feeding it to a balanced modulator
Correct answer
By passing the signal through a pre-alias filter
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