Adjustment Procedures
TDS 420A, TDS 430A & TDS 460A Service Manual
5-15
c. Ifsubstep2bwasnot passed, leave the probe tip exposed. R emove the
probe from C H 1 and go on to the next procedure Adjust the Probe
High-Frequency Response.
Do not perform this procedure until you have first completed the procedures
Compensate the Probe and Measure Probe Bandwidth on pages 5--10 and 5--12,
respectively.
Do not perform this procedure if you have successfully completed Measure the
Probe Bandwidth. Probe adjustment is complete.
Equipment
Required
One pulse generator (Item 15)
One pulse generator head (Item 16)
One 50 Ω precision cable (Item 8)
One BNC female to BNC female adapter (Item 2)
One 50 Ω BNC to probe adapter (Item 3)
One P6138A 10X probe (Item 12)
One 10X attenuator (Item 5)
One probe adjustment tool (included with the P6138A
probe accessories).
1. Install the test hookup and preset the oscilloscope controls:
a. Access Inner Pr obe Tip and Adjustment Ports:
H The probe tip should be exposed from the procedure Measure Probe
Bandwidth. If not, follow the instructions in Figure 5--4 to expose
the probe tip.
H Follow the instructions in Figure 5--6 to remove the probe
body covers.
Adjust the Probe — High
Frequency Response
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