3 Spectrum Analyzer Mode
3.5 ACP Measurement
Carrier Spacing
Sets the width of the carrier spacing. This is the value applied to all the current slots,
whether they are carriers or spaces.
Enter each carrier spacing value individually by selecting the desired carrier, and
then enter the carrier width.
Remote
Command
[:SENSe]:ACPower:CARRier[1]|2:LIST:WIDTh <freq>, …
[:SENSe]:ACPower:CARRier[1]|2:LIST:WIDTh?
Subopcode: 1 = BTS/Downlink (Default), 2 = MS/Uplink
Example
:ACP:CARR2:LIST:WIDT 25kHz
:ACP:CARR2:LIST:WIDT?
Notes Some Modes do not support Carrier subopcode 2. In those cases, commands with subopcode 2 are
accepted without error but ignored
When setting these values remotely, the position in the list sent corresponds to the carrier. Missing
values are not permitted, so if you want to change values 2 and 6, you must send all values up to 6.
Subsequent values remain unchanged, unless the number of values sent is greater than the number of
carriers, then subsequent values are ignored
For LTEAFDD or LTEATDD Modes, this control is not shown. To maintain backwards compatibility with
legacy LTE FDD/TDD Modes, the SCPI command is supported in the LTE & LTE-A converged applic-
ations
Couplings Coupled to number of carriers. When the SCPI command is sent, the number of carriers is set to the
number of entries in the parameter list
Changing Carrier Spacing might affect "Span" on page 955
Preset
SA, WCDMA, LTE, LTETDD Modes 5 MHz
Radio Test Mode 25 kHz
State Saved Saved in instrument state
Min/Max 0 Hz/Depends on instrument maximum frequency. Same as the Max Span of Swept SA Measurement
Backwards
Compatibility
SCPI
[:SENSe]:MCPower:CARRier[1]|2:LIST:WIDTh
Measurement Noise Bandwidth
Specifies the Measurement Noise Bandwidth used to calculate the power in the
carriers.
Spectrum Analyzer Mode User's &Programmer's Reference 1017
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