Electronics Engineering · Electronic Measurements and Instrumentation
The relation among minimum detectable signal (MDS), IF bandwidth (BW) and noise figure (NF) of a spectrum analyzer is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1MDS = -110 dBm + 10 log(BW/3 MHz) + NF
- 2MDS = -114 dBm + 10 log(BW/1 MHz) + NF✓
- 3MDS = -100 dBm + 10 log(BW/2 MHz) + NF
- 4MDS = -125 dBm + 10 log(BW/4 MHz) + NF
Correct answer
MDS = -114 dBm + 10 log(BW/1 MHz) + NF
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