Keysight 41800A, Operation Note

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Keysight 41800A Active Probe 21
Operation
Preparation for Use
Procedure
1. Connect the equipment as shown in Figure 3-3 .
2. Set up the Keysight 4195A as follows.
3. Confirm that the signal level is –20 dBm ± 5 dB .
Operating Check Using a Network Analyzer
Figure 3-4 shows the operating check setup using a network analyzer. To
check the probe gain, absolute power amplitude measurement mode should
be selected.
Figure 3-4 Operating Check Setup Using a Network Analyzer
CONFIG SPECTRUM
PORT SELECT SOURCE CH1 on
CENTER 50 MHz
SPAN 0 Hz
AMPLITUDE (S1) –26 dBm
REF ATTEN (R1) 10 dB
The Keysight 11880A probe-N(m) adapter can be used instead of the
N(m)-BNC(f) adapter and the Keysight 10218A probe-BNC(m) adapter. The
signal level should be –26 dBm ± 5 dB when the Keysight 11880A
probe-N(m) adapter is used.