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HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

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TOIR<br />

Third-Order Intermodulation Response<br />

Returns the intercept point for the highest third-order intermodulation product measured by<br />

the third-order intermodulation measurement (TOI).<br />

Syntax<br />

TOIR<br />

Related Comm<strong>and</strong>s: AUNITS, MKPX, TH, TOI.<br />

Example<br />

OUTPUT 718;"MOV TOI,l;"<br />

OUTPUT 718*"TOIR'*"<br />

8 - #<br />

ENTER 718;Toi<br />

PRINT "Third-order intermodulation is ",Toi<br />

OUTPUT 718;"MOV TOI,O;"<br />

Description<br />

XTOIR<br />

Turns on the third-order intermodul&ion<br />

nwasurmt.<br />

Queries TOIR. TOIR contains the results<br />

of the third-order intmnodulation<br />

wwasurmt.<br />

Stores the value of TOIR in the var.6<br />

able lbi.<br />

Prints the results.<br />

Turns ofl the third-order intemwduk&on<br />

rrumsurmt.<br />

TOIR returns a -100 if the TO1 function has not been turned on, or if four on-screen signals are<br />

not valid or are not present. For TO1 to perform a third-order intermodulation measurement,<br />

there needs to be four signals on the spectrum analyzer display, <strong>and</strong> all four signals must be<br />

greater than the peak excursion above the threshold.<br />

Query Response<br />

5.558 Programming Comm<strong>and</strong>s<br />

TOI<br />

amp1 1 tude<br />

output<br />

termination +<br />

QTOIR

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