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26
1130B-Series Probes User’s Guide
1
Getting Started
You cannot calibrate your InfiniiMax probes with the attenuators attached.
Calibrate the InfiniiMax probes as you normally would (with no attenuators),
configure the attenuators as discussed in the next section, and begin probing.
First, plug your InfiniiMax probe amplifier / probe head into one of the oscilloscope
channels with the attenuators connected. Then enter the Probe Setup dialog box
(can be reached via Setup > Probes on the oscilloscope menu). Press the Configure
Probing System button. A pop-up window will appear where you can select
External Scaling. Click the Decibel radio button under the External Scaling section
and then set the Gain field to either –6 dB, –12 dB, or –20 dB depending on the
attenuator you are using (be sure to include the negative sign). Finally, you will
need to manually set the Offset field in this dialog box to zero out the signal.
Calibrating Probe with Attenuators on a InfiniiVision Scope
The following instructions only apply if you have InfiniiVision software release 5.25
or newer installed on your oscilloscope.
1
Plug your InfiniiMax probe amplifier / probe head into one of the oscilloscope
channels with the attenuators attached.
2
Press the Channel on/off key to turn the channel on (if the channel is off).
3
Press the Probe softkey in the Channel menu. A series of probe related softkeys
will appear.
4
Repeatedly press the second softkey from the left softkey until the probe head
selection matches the attenuator you are using. The choices are:
•
10:1 single-ended browser
•
10:1 differential browser
•
10:1 (+6 dB Atten) single-ended browser
•
10:1 (+6 dB Atten) differential browser
•
10:1 (+12 dB Atten) single-ended browser
•
10:1 (+12 dB Atten) differential browser
•
10:1 (+20 dB Atten) single-ended browser
•
10:1 (+20 dB Atten) differential browser
Once the probe head configuration has been selected, you can press the
Calibration key in the same probe menu and follow the on-screen instructions to
calibrate the probe/attenuator setup.
Frequency Response Plots
on page 27 shows the frequency response plots for four setups: the
probe without any attenuators, the probe with the 6 dB attenuators, the probe with
the 12 dB attenuators, and the probe with the 20 dB attenuators.
Summary of Contents for 1130B Series
Page 1: ...Keysight 1130B Series Differential and Single Ended Probes User s Guide ...
Page 6: ...6 1130B Series Probes User s Guide ...
Page 59: ...Using Probe Heads 2 1130B Series Probes User s Guide 59 Figure 33 N5380B Schematic ...
Page 78: ...78 1130B Series Probes User s Guide 2 Using Probe Heads ...
Page 86: ...86 1130B Series Probes User s Guide 3 Calibrating Probes Figure 53 Overlapping Waveforms ...
Page 90: ...90 1130B Series Probes User s Guide 3 Calibrating Probes ...
Page 98: ...98 1130B Series Probes User s Guide 4 Characteristics and Specifications ...
Page 226: ...226 1130B Series Probes User s Guide 10 SPICE Models ...
Page 228: ...228 1130B Series Probes User s Guide 10 SPICE Models ...