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

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FFTCLIP<br />

FFT Signal Clipped<br />

Indicates if the FFI’ results are valid.<br />

Syntax<br />

FFTCL I P<br />

Prerequisite Comm<strong>and</strong>s: FFTAUTO, FFTSNGLS, FFTCONTS.<br />

Related Comm<strong>and</strong>s: FFTSTAT.<br />

Example<br />

OUTPUT 718*"FFTCONTS-"<br />

, 9<br />

OUTPUT 718."FFTCLIP'."<br />

Starts the FFI:<br />

Queries FFTCLE<br />

ENTER 718;kclippe& Returns the value of FFTCLII?<br />

Description<br />

Whenever you use FFTAUTO, FFTCONTS, or FFTSNGLS to perform an FFI’ on a signal, you can<br />

use the FFTCLIP comm<strong>and</strong> to determine if the FFT data is valid. If the current measurement<br />

sweep resulted in a trace that is above the top graticule line on the spectrum analyzer display,<br />

the input trace (trace A) has been “clipped,” <strong>and</strong> the FFI data is not valid. If the input trace is<br />

not clipped, the FFT data is valid.<br />

Query Response<br />

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

QFFTCL IP

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