Modulation Measurements

Measurements

QPSK Measurement

The following modulation measurements use a 2 GHz test signal at 5 dBm with the analyzer set up as follows:

Modulation Format: QPSK

Filter Type: vNyquist

Roll-off Factor (a): 0.22

Symbol Rate: 3.84 MHz

Vector Graph of QPSK Modulated Test Signal

Figure 5-14.Vector Graph of QPSK Modulated Test Signal

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MS278XB OM

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Anritsu Series MS278XB operation manual Qpsk Measurement, Vector Graph of Qpsk Modulated Test Signal