HP 8517B Bedienungsanleitung PDF herunterladen (Seite 47)

HP 8517B S-Parameter Test Set Manual

3-9

Measuring High-Power Devices with Option 004

The HP 8517B, Option 004 test set enables devices with output power up to

30 dBm (1 watt) to be measured at Port 2, without adding external

attenuators. Reverse dynamic range (S

) degrades by approximately 3 dB.

When measuring devices having greater than +17 dBm output power, you

must use the Port 2 step attenuator to decrease the power to

≤+17 dBm.

The step attenuator has to be set during calibration for the value needed

during device measurements. However, this setting may cause inadequate

power level during calibration. Refer to “Changing Signal Path States After

System Calibration” on page 3-10 for additional information.

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HP 8517B Bedienungsanleitung Seite 47