Making Measurements Using Spectrum Analyzer Mode

N dB Bandwidth Measurement

Example: Measure the 6 dB bandwidth of the spectrum analyzer’s internal 9 kHz EM1 bandwidth.

1.On the spectrum analyzer, press (PRESET], (PEAK SEARCHJ (MKR], MK TRACK ON OFF (ON), ISPAN), and enter 200 kHz.

2.Select the 9 kHz EM1 bandwidth by pressing Isw], EM1 BW Menu , and 9 kHz EM1 BW

3.Press C-1 and N dB PTS ON OFF (ON) to activate the N dB bandwidth function.

4.Read the measurement results in the upper left corner of the screen

5.The knob or the data entry keys can be used to change the N dB value from 3 dB to 6 dB.

6.Press N dB PTS ON OFF (OFF) to turn the measurement off.

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