Agilent Technologies E4406A VSA manual Adjacent Channel Power Ratio ACP Measurement, MEASure:ACPn?

Models: E4406A VSA

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Adjacent Channel Power Ratio (ACP) Measurement

Language Reference

MEASure Group of Commands

Adjacent Channel Power Ratio (ACP) Measurement

This measures the total rms power in the specified channel and in 5 offset channels. You must be in Basic, cdmaOne, cdma2000, W-CDMA (3GPP), W-CDMA (Trial & Arib), iDEN, NADC or PDC mode to use these commands. Use INSTrument:SELect to set the mode.

The general functionality of CONFigure, FETCh, MEASure, and READ are described at the beginning of this section. See the SENSe:ACP commands for more measurement related commands.

:CONFigure:ACP

:FETCh:ACP[n]?

:READ:ACP[n]?

:MEASure:ACP[n]?

For Basic mode, a channel frequency and power level can be defined in the command statement to override the default standard setting. A comma must precede the power value as a place holder for the frequency when no frequency is sent.

 

History:

 

Added to Basic mode, version A.03.00 or later

 

Front Panel

 

Measure, ACP or ACPR

 

Access:

 

 

 

 

 

After the measurement is selected, press Restore Meas

 

 

 

 

Defaults to restore factory defaults.

 

Measurement Results Available

 

 

 

 

Measurement

n

 

Results Returned

Type

 

 

 

 

 

 

 

 

 

0

 

Returns unprocessed I/Q trace data, as a series of

 

 

 

comma-separated trace points, in volts. The I values are listed

 

 

 

first in each pair, using the 0 through even-indexed values. The

 

 

 

Q values are the odd-indexed values.

 

 

 

 

 

not

 

Returns 22 comma-separated scalar results, in the following

 

specified

 

order:

 

or n=1

 

1.

Center frequency – absolute power (dBm)

 

NADC and

 

 

 

2.

Center frequency – absolute power (W)

 

PDC mode

 

3.

Negative offset frequency (1) – relative power (dB)

 

 

 

4.

Negative offset frequency (1) – absolute power (dBm)

 

 

 

5.

Positive offset frequency (1) – relative power (dB)

 

 

 

6.

Positive offset frequency (1) – absolute power (dBm)

 

 

 

 

. . .

 

 

 

1.

Positive offset frequency (5) – relative power (dB)

 

 

 

2.

Positive offset frequency (5) – absolute power (dBm)

 

 

 

 

 

Chapter 5

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Page 259
Image 259
Agilent Technologies E4406A VSA manual Adjacent Channel Power Ratio ACP Measurement, CONFigure:ACP FETCh:ACPn? READ:ACPn?