
11
1145A 2-Channel Active Probe
Adjustments
Adjustments
There is no defined adjustment interval for the active probe. The adjustments
are done at Agilent Technologies and does not require periodic maintenance. You
should only make adjustments when replacing the probe tip and cable assembly,
the printed circuit board assembly, or as you think is needed based on your past
experience.
The equipment required for the adjustments is listed below. Any equipment
satisfying the critical specifications listed may be substituted for the
recommended model.
Allow the probe to warm up for at least 15 minutes prior to beginning
adjustments.
Equipment Required
C A U T I O N
The adjustments are easily damaged if you use the wrong tool or any force at
all. Make sure you use the adjustment tools that are part of the calibration kit,
Agilent Technologies part number 01145-68701.
Equipment
Critical Specification
Recommended
Model/Part
Signal Generator
Square wave, rise time <300 ps, OV to 1 Vp,
<5% flatness
8131A/B (or
equivalent)
Oscilloscope
>10 GHz bandwidth
54121T (or
equivalent)
Power Supply
Power for probe under test
Oscilloscope or
1142A
Termination
SMA feedthrough, 50
Ω
0955-0736
Adapter*
Type N(m) to SMA (m), 50
Ω
1250-1994 (or
equivalent)
Adapter*
SMA(f)-to-probe
16517-27601
Adapter
SMA (m) to BNC (f)
1250-1200
Adapter
SMA (f-f)
1250-1158
*Part of calibration kit, Agilent Technologies part number 01145-68701.