Anritsu S113C Betriebsanweisung PDF herunterladen (Seite 94)

Step 17. Press the EDIT soft key to turn Marker M2 ON and use Up/down arrow key to

place Marker M2 at the center of the second harmonic. Press ENTER to set the

marker position.

Step 18. Press the

DELTA (M2-M1) soft key. This will provide frequency and amplitude

information with respect to marker M1.

Step 19.

Press the MARKER key and select the

M3 soft key.

Step 20. Press the

EDIT soft key to turn Marker M3 ON and use the Up/down arrow key

to place Marker M3 at the center of the third harmonic.

Step 21. Press the

DELTA (M3-M1) soft key. This will provide frequency and amplitude

information with respect to marker M1.

Figure 5-14 shows the distortion characteristics of the signal source just measured. Marker

1 indicates the fundamental frequency. Marker 2 shows that the second order distortion of

the source is 46.24 dB below the carrier. Marker 3 shows that the third order harmonic is

48.44 dB below the fundamental frequency.

5-22

Chapter 5 Spectrum Analyzer Measurements

Figure 5-14. Harmonic Distortion

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Anritsu S113C Betriebsanweisung Seite 94