94 Keysight E4980A/AL Precision LCR Meter
Configuring Measurement Conditions (Display and Function Related Settings)
MEAS SETUP page
4-
Figure 4-3 Feedback Circuit
Figure 4-4 shows the working ranges of the automatic level control feature. In
the charts, solid lines denote the ranges that apply when the DUT is a resistor,
while broken lines denote the ranges for a capacitor or inductor.
㪼㪋㪐㪏㪇㪸㫌㪼㪈㪇㪋㪎
㪈㪇㪇㱅 㪟㪠㪞㪟 㪣㪦㪮
㪘
㪭
㪛㪬㪫
㪝㪼㪼㪻㪹㪸㪺㫂㩷㪣㫆㫆㫇
When test signal level is set close to 2 Vrms/20 mArms or 20 Vrms/100
mArms or less then 5 mVrms, the warning message “ALC unable to
regulate” may appear.
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