Agilent Technologies 11867A? Manual de servicio descargar pdf (Pagina 122)

124 Chapter 7

Stimulus Response Measurements (Option N8995A)

Return Loss

Stimulus Response Measurements

(Option N8995A)

frequency range.

Step 6. Connect the test cable (if used) and calibration devices to the analyzer

RF Output, as shown in Figure 7-6, or in the calibration wizard. (If the

DUT is a two-port device, be sure to terminate the unused port in the

characteristic impedance of the device.)

Note that the units of the reference level are dB, indicating that this is

a relative measurement.

This example uses a 50 MHz low pass filter as the DUT.

Figure 7-6 Return Loss Measurement

Step 7. Use the markers to measure the return loss and SWR at any point.

Press

Marker, Normal. Use the knob to place the marker at a frequency

of interest.

Figure 7-7 Return Loss Measurement Results, Calibrated.

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Agilent Technologies 11867A? Manual de servicio Pagina 122