Tektronix WCA200A, User Manual

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Appendix A: Specifications
A- 10
WCA230A & WCA280A User Manual
Table A- 11: Digital demodulation (Cont.)
Characteristics Description
π
/4 DQPSK EVM (Typical) Symbol rate
Center frequency = 1 GHz 0.6%
0.6%
1.2%
2.7%
100 kHz
1 MHz
4 MHz
10 MHz
Center frequency = 2 GHz 0.6%
0.6%
1.2%
2.7%
100 kHz
1 MHz
4 MHz
10 MHz
Center frequency = 3 GHz 0.7%
0.7%
1.5%
2.9%
100 kHz
1 MHz
4 MHz
10 MHz
Center frequency = 5 GHz
(WCA280A only)
0.7%
0.7%
1.5%
3.0%
100 kHz
1 MHz
4 MHz
10 MHz
16QAM EVM (Typical) Symbol rate
Center frequency = 1 GHz 0.9%
0.5%
1.2%
2.2%
100 kHz
1 MHz
4 MHz
10 MHz
Center frequency = 2 GHz 0.9%
0.5%
1.2%
2.2%
100 kHz
1 MHz
4 MHz
10 MHz
Center frequency = 3 GHz 0.9%
0.5%
1.2%
2.5%
100 kHz
1 MHz
4 MHz
10 MHz
Center frequency = 5 GHz
(WCA280A only)
0.9%
0.5%
1.2%
2.5%
100 kHz
1 MHz
4 MHz
10 MHz
Table A- 12: Analog demodulation
Characteristics Description
Accuracy (Typical)
AM demodulation
±
2% (--10 dBfs input at center, 10 to 60% modulation depth)
PM demodulation
±
3
°
(--10 dBfs input at center)
FM demodulation
±
1% of span (--10 dBfs input at center)