SIGLENT SSA5083A, User Manual, Page: 175 / 260

User Manual 145
Command format :READ:DDEMod?
Instructions Obtain digital demodulation results
if demod type is ASK it will return:
ASK err rms (% rms)
ASK err peak (% pk)
symbol position of ASK err peak
carrier power
carrier offset
ASK depth
If demod type is FSK it will return:
1.FSK err rms (% rms)
2.FSK err peak (% pk)
3.symbol position of FSK err peak
4. carrier power
5.carrier offset
6.FSK deviation
If If demod type is MSK,PSK,QAM it will return:
1. EVM rms (% rms)
2. EVM peak (% pk)
3. symbol position of EVM peak
4.magnitude error rms (% rms).
5. magnitude error peak (% pk)
6.symbol position of magnitude error peak
7.phase error rms (deg)
8.phase error peak (deg pk)
9.symbol position of phase error peak
10. frequency error (Hz)
11. IQ offset
12. SNR(MER) (dB)
13. quadrature error (deg)
14. gain imbalance (dB)
Parameter type None
Parameter Range None
Return String
Example :READ:DDEMod?