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R&S FSQ Signal Analyzer - Rohde & Schwarz

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R&S <strong>FSQ</strong> Instrument Functions<br />

SOURCE CAL<br />

4.8.2 Transmission Measurement<br />

External Generator Control – Option R&S FSP-B10<br />

The transmission characteristic of a two-port network is measured. The external<br />

generator serves as a signal source. It is connected to the input connector of the<br />

DUT. The input of the R&S <strong>FSQ</strong> is fed from the output of the DUT.<br />

Fig. 4.28 Test setup for transmission measurement<br />

A calibration can be carried out to compensate for the effects of the test setup (e.g.<br />

frequency response of connecting cables).<br />

4.8.2.1 Calibration of Transmission Measurement<br />

CAL TRANS<br />

CAL REFL SHORT<br />

CAL REFL OPEN<br />

NORMALIZE<br />

REF VALUE POSITION<br />

REF VALUE<br />

RECALL<br />

SAVE AS TRD FACTOR<br />

The SOURCE CAL softkey opens a submenu comprising the calibration functions<br />

for the transmission and reflection measurement.<br />

For information on the calibration of the reflection measurement<br />

(CALREFLSHORT and CAL REFL OPEN) and its mechanisms, refer to section<br />

“Calibration of Reflection Measurement” on page 4.242.<br />

To carry out a calibration for transmission measurements the whole test setup is<br />

through-connected (THRU).<br />

Operating Manual 1313.9681.12 - 01 4.237

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