Commands Listed in Alphabetical Order
RF:MEASUre:A
CPR:UA3DB? (Query Only)
This query measures a ratio between the third upper side channel and the Main
channel when performing ACPR measurements using a frequency domain
trace. The po
wer in the adjacent channel is equivalent to the power in the main
channel (dBm) added to the power ratio (dB) of the adjacent channel. (The RF
measurement type must be set to ACPR using the command RF:MEASUre:TYPe.)
Conditions
MDO3000, MDO4000/B, or MDO4000C models with option SA3 or SA6 only.
Group
RF
Syntax
RF:MEASUre:ACPR:UA3DB?
Related Commands
RF:MEASUre:ACPR:ADJACENTPAIRs, RF:MEASUre:ACPR:CHANBW,
RF:MEASUre:ACPR:CHANSPACing, RF:MEASUre:ACPR:POWer?,
RF:MEASUre:ACPR:LA1DB?, RF:MEASUre:ACPR:LA2DB?,
RF:MEASUre:ACPR:LA3DB?, RF:MEASUre:ACPR:UA1DB?,
RF:MEASUre:ACPR:UA2DB?
Examples
RF:MEASUre:ACPR:UA3DB might return –30.000, indicating that the Upper Area
3 side channel (on the right side of the Main channel) has 1/1000 the power of
the Main channel.
RF:MEASUre:CP:CHANBW
This command specifies the channel bandwidth to use when the RF measurement
type has been set to Channel Power (CP) using the command RF:MEASUre:TYPe.
The channel bandwidth is centered about the CF (center frequency).
Note that the span is automatically controlled to be 10% wider than the chann
el
width. The span maximum varies according to the oscilloscope model; either
3GHz or 6GHz.
Conditions
MDO3000, MDO4000/B, or MDO4000C models with option SA3 or SA6 only.
Group
RF
Syntax
RF:MEASUre:CP:CHANBW <NR3>
RF:MEASUre:CP:CHANBW?
2-558 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
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