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

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Trace<br />

Data<br />

Format<br />

TDF P<br />

TDF B<br />

TDF A<br />

TDF I<br />

TDF M<br />

Description<br />

Real Number<br />

Format<br />

Binary Format<br />

A-Block Data<br />

Format<br />

I-Block Data<br />

Format<br />

Measurement<br />

Data Format<br />

3-26 Programming Topics<br />

‘Ihble 3-2. Summary of the Trace Data Formats<br />

Remarks<br />

<strong>Spectrum</strong> analyzer must be in log scale to use TDF P. To send the<br />

trace data back to the spectrum analyzer, the data must be<br />

converted to measurement units.<br />

Fastest format for trace data transfers. Use the A-block format to<br />

send data back to the spectrum analyzer.<br />

Trace data preceded by “#, n “A,” <strong>and</strong> a two-byte number. To use<br />

the A-block format for sending data, you must provide the<br />

number of data bytes.<br />

Trace data preceded by “#, ” <strong>and</strong> “I. ” This format is not<br />

recommended for use with an RS-232 interface. Unlike using the<br />

A-block format, you do not provide the number of data bytes<br />

when sending data.<br />

TDF M cannot be used to send trace data back to the spectrum<br />

analyzer.

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