SIGLENT SSA5083A, Руководство пользователя, Страница: 119 / 260

User Manual 89
Return Float
Example :OBW:PERCent 50
3.9.5.3
Power Reference
Select the power reference type.
⚫
Total Power: The measurement result will display the power in the entire span.
⚫
OBW power: The measurement result will display the occupied power.
Command format [:SENSe]:OBWidth:PREFerence
[:SENSe]:OBWidth:PREFerence?
Instructions Setting power Reference
Obtaining power reference
Parameter type Enumeration TPOW|OBWPower
Return Enumeration
Example :OBWidth:PREFerence TPOW
Command format [:SENSe]:OBWidth:PREFerence
[:SENSe]:OBWidth:PREFerence?
3.9.5.4
x dB
Sets the x dB value used for the "x dB Bandwidth" result, which measures the bandwidth between
two points on the signal that are x dB below the highest signal point in the OBW range.
Command format [:SENSe]:OBWidth:XDB
[:SENSe]:OBWidth:XDB?
Instructions Set the bandwidth USAGE dBc value
Obtain the occupied bandwidth dBc value
Parameter type Float
Parameter Range 0.1~100
Return Float
Example :OBWidth:XDB 3