Agilent Technologies 1168/9A, User Manual

Page: 43 / 252

Using Probe Heads 2
Recommended Configurations
1168/9A Probes User’s Guide 43
Table 11 lists probe head configurations that are available in
the E2669A connectivity kit. Not all of these configurations
will give the best probe performance of the 1168A and
1169A. The probe configurations are shown in the order of
the best performance to the least performance.
N5425A ZIF with N2884A Fine Wire ZIF Tip (Refer to page 56 .)
Full Bandwidth
1168A: >10
1169A: >12
350 fF — Differential high fidelity
Solder-in fine wire with ZIF Tip connection
Extremely small fine pitch target, active ICs
Fragile lead wires
N5425A ZIF with N5451A Long Wired ZIF Tip (7 mm resistor length) (Refer to page 59 .)
~9.9 (0° span)
c
~4.4 (60° span)
d
— 0.6
0.58
Differential and Single-ended signals
Solder-in with LW ZIF Tip connection
Variable pitch targets, including larger pitches
Higher loading than solder-in probe head
N5425A ZIF with N5451A Long Wired ZIF Tip (11 mm resistor length) (Refer to page 61 .)
~5 (0° span)
c
~3.3 (60° span)
d
— 0.68
0.68 Differential and Single-ended signals
Solder-in with LW ZIF Tip connection
Variable pitch targets, including larger pitches
Higher loading than solder-in probe head
a Capacitance seen by differential signals
b Capacitance seen by single-ended signals
c 0° span between the two LW ZIF resistor leads
d 60° span between the two LW ZIF resistor leads
Table 10 Recommended InfiniiMax II Configurations (Sheet 2 of 2)
Recommended
Order of Use
BW
(GHz)
Cdiff
a
(pF)
Cse
b
(pF) Usage