Chapter 11 583
RF Section
Introduction
CAUTION Use of an active probe, such as an HP 85024A, with another spectrum
analyzer is recommended for troubleshooting the RF circuitry. If an HP
1120A Active Probe is being used with a spectrum analyzer, such as the
HP 8566A/B or the HP 8562A/B, having dc coupled inputs, either set
the active probe for an ac coupled output or use a dc blocking capacitor
(HP 11240B) between the active probe and the spectrum analyzer
input. Failure to do this can result in damage to the spectrum analyzer
or to the probe.
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