N2862A Specifications
N2862A Passive
Oscilloscope Probe
Data Sheet
Characteristics
Operating temperature
0° C to 50° C, 80% RH
Storage temperature
0° C to 50° C, 80% RH
Cable length
1.2 m
Bandwidth
DC to 150 MHz
Risetime
2.33 ns
Attenuation ratio
10:1
Input resistance
10 MΩ (when terminated into 1 MΩ)
Input capacitance
≈12 pF
Maximum input
300 V RMS
Compensation
5-30 pF
Safety
Conformance to IEC-1010
Compensation Adjustments
The probes can be adjusted for
low-frequency compensation and
high-frequency compensation.
For the best measurements you
should compensate your probe
to match its characteristics to
the oscilloscope. A poorly
compensated probe can
introduce measurement errors.
Low-frequency compensation
should be performed before
performing high-frequency
compensation.
Low-frequency adjustment
Figure 1. Low-frequency compensation adjustment.
Low-frequency compensation
1. Connect the probe from the
appropriate oscilloscope
channel to 1 kHz square
wave source.
2. Press Autoscale. Adjust the
oscilloscope to display two to
three cycles of the waveform
over two to six vertical
divisions.
Incorrect
Incorrect
Correct
Figure 2.
3. Set the low-frequency
compensation adjustment on
the probe for the flattest pulse
possible (see Figure 2).
High-frequency adjustment
High-frequency compensation
1. Using the BNC adapter,
connect the probe to a square
wave generator operating
between 10 kHz and 1 MHz,
and terminated into 50 Ω.
Figure 3. High-frequency compensation adjustment.
2. Press Autoscale. Adjust the
oscilloscope to display one
cycle of the waveform over two
to six vertical divisions.
3. Set the high-frequency
compensation adjustment on
the probe for the flattest, most
square, and most horizontal
pulse possible (see Figure 4).
2
Incorrect
Figure 4.
Incorrect
Correct
700
600
500
400
300
200
100
0
10 KHz
100 KHz
1 MHz
10 MHz
100 MHz
1 GHz
Figure 5. Voltage derating curve
6
3
1
2
9
4
7
8
5
Accessory Kit
Item
Description
Quantity
1
Retractable hook
1
2
Adjustment tool
1
3
Insulating cap
1
4
IC insulating cap
1
5
Identification tags (green,yellow, purple and pink)
2 ea
6
Probe tip
1
7
Ground spring
1
8
BNC adapter
1
9
Ground lead (black 12 cm)
1
3
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Product specifications and descriptions in this
document subject to change without notice.
© Agilent Technologies, Inc. 2005
Printed in USA
April 18, 2005
5989-2228EN
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