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Power Meter Operation

Setting Measurement Limits

2-44 Agilent E4418B User’s Guide

Figure 2-11: Limits Checking Application

Figure 2-12: Limits Checking Results

In this application a swept frequency signal is applied to the input of the

Device Under Test. The power meter measures the output power. The

limits have been set at +4 dBm and +10 dBm. A fail occurs each time the

output power is outside these limits as shown in Figure 2-12.

Setting Window Limits

The power meter can be configured to verify the current measurement in

either window against predefined upper and/or lower limit values. The

range of values that can be set for the upper and lower limits and the

Power Meter

Swept Source

CHANNEL A

INPUT

OUT

Device

Under Test

4 dBm

10 dBm

Amplitude

Frequency

Fail

HP4402.book Page 44 Wednesday, November 29, 2000 4:46 PM

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Agilent Technologies 8487D Guia do Utilizador Página 84