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R&S FSQ Signal Analyzer - Rohde & Schwarz

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R&S <strong>FSQ</strong> Remote Control – Description of Commands<br />

CALCulate Subsystem<br />

"INIT;*WAI"<br />

'Starts a new measurement and waits for the sweep end.<br />

"CALC:LIM:ACP:ACH:RES?"<br />

'Queries the limit check result in the second alternate adjacent channels in<br />

screen A.<br />

Characteristics: *RST value: OFF<br />

SCPI: device-specific<br />

Mode: A<br />

CALCulate:LIMit:ACPower:ALTernate[:RELative] 0 to 100dB, 0 to 100dB.<br />

This command defines the limit for the alternate adjacent channels in the selected measurement<br />

window for adjacent channel power measurements. The reference value for the relative limit value is<br />

the measured channel power.<br />

The numeric suffix after ALTernate denotes the alternate channel. The numeric suffixes<br />

are irrelevant for this command.<br />

It should be noted that the relative limit value has no effect on the limit check as soon as it is below the<br />

absolute limit defined with CALCulate:LIMit:ACPower:ALTernate:ABSolute. This<br />

mechanism allows automatic checking of the absolute basic values of adjacent channel power as<br />

defined in mobile radio standards.<br />

Parameter: The first value is the limit for the lower and the upper alternate adjacent channel.<br />

The second limit value is ignored but must be indicated for reasons of compatibility<br />

with the FSE family.<br />

Example: "CALC:LIM:ACP:ALT2 30DB, 30DB"<br />

'Sets the relative limit value in screen A for the power in the lower and upper<br />

alternate adjacent channel to 30 dB below the channel power.<br />

Characteristics: *RST value: 0DB<br />

SCPI: device-specific<br />

Mode: A<br />

CALCulate:LIMit:ACPower:ALTernate[:RELative]:STATe ON | OFF<br />

This command activates the limit check for the alternate adjacent channels in the selected<br />

measurement window for adjacent channel power measurements. Before the command, the limit<br />

check must be activated using CALCulate:LIMit:ACPower:STATe ON.<br />

The numeric suffix after ALTernate denotes the alternate channel. The numeric suffixes<br />

are irrelevant for this command.<br />

The result can be queried with CALCulate:LIMit:ACPower:ALTernate:RESult?. It<br />

should be noted that a complete measurement must be performed between switching on the limit<br />

check and the result query, since otherwise no valid results are obtained.<br />

Example: "CALC:LIM:ACP:ALT2 30DB, 30DB"<br />

'Sets the relative limit value in screen A for the power in the lower and upper<br />

second alternate adjacent channel to 30 dB below the channel power.<br />

"CALC:LIM:ACP:ALT2:ABS -35DBM, -35DBM"<br />

'Sets the absolute limit value in screen A for the power in the lower and upper<br />

second alternate adjacent channel to -35 dBm.<br />

6.34 Operating Manual 1313.9681.12 - 01

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