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N2848A InfiniiMax III+ QuickTip InfiniiMode Probe Head
N2848A InfiniiMax III+ QuickTip InfiniiMode Probe Head
The N2848A QuickTip probe head is used with an N2849A QuickTip and
together they provide the following advantages:
• Easy-to-make secure magnetic mechanical connection between probe
head and QuickTip. No latch lever is used!
• Extreme temperature environments such as temperature chambers.
• To use the head's InfiniiMode capability, use this head with
N2830A-series probe amplifiers. InfiniiMode allows you to make
differential, common mode, and single ended measurements without
having to re-solder the tip leads.
Table 1
N2848A with N2803A Probe Amplifier
Item
Band width
Input C (Differential)
Input C (Single Ended)
Rise Time
Fall Time
Permanently solder any number of QuickTips to your DUT as shown in
Figure 17
on page 36. Because the probe head is magnetically connected
(instead of mechanically connected) to the QuickTip, you can effortlessly
connect and disconnect to each QuickTip. For best performance, position
the QuickTip vertically on the DUT. Because this is an InfiniiMode
compatible head, the tip has two signal leads and two ground leads. The
ground leads have minimal effect on your differential measurements.
However, if you are making only differential measurements you can
optionally cut off the ground leads or fold them out of the way. Be aware
that without the ground leads, the mechanical stability of the QuickTip
will be reduced and you will need to stabilize the probe head.
2. InfiniiMax III Probe Heads
Characteristic
16 GHz
340 fF
200 fF
27.1 ps (10 - 90%)
19.3 ps (20 - 80%)
35
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