What is the advantage of having a choice of receiver filter bandwidths in a multimode transceiver?
Permits monitoring several modes simultaneously by selecting a separate filter for each mode
Permits noise or interference reduction by selecting a bandwidth matching the mode✓Ճիշտ պատասխան
Increases the number of frequencies that can be stored in memory
Increases the amount of offset between receive and transmit frequencies
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Noise and interference power entering the receiver rise with the width of the filter, while the wanted signal occupies only its own bandwidth. Choosing a filter that matches the mode therefore passes the full signal while rejecting everything outside it, improving the signal-to-noise ratio.