A Appendixes
554 Keysight U8903B User’s Guide
Appendix 16: Units of the Measurement Function Returned Values
Analog analyzer
Table A-40 Analog analyzer units of the meaurement function returned values
Measurement function Unit Default
Frequency
–Hz
– ΔHz
Hz
AC voltage
THD+N level
THD level
–dBg
–dBm
–dBr
–dBu
–dBV
–W
–V
– ΔV
–dBSPL
–x
V
DC voltage
–V
– ΔV
–x
V
THD+N ratio
SINAD
THD ratio
SMPTE IMD
DFD IEC 60118 (2nd order)
DFD IEC 60118 (3rd order)
DFD IEC 60268 (2nd order)
DFD IEC 60268 (3rd order)
SNR
SNR (Fast)
Crosstalk
–dB
– ΔdB
–%
–x
dB
Phase ° °