N2851A Quicktip Head With N2849A Quicktip Tip - Keysight Technologies 1130B User Manual

N2851A QuickTip Head with N2849A QuickTip Tip

The following input-impedance SPICE subcircuit data is for the N2851A QuickTip probe head with
N2849A QuickTip tip. The data models all modes of input impedance: differential, common, and A or B.
The probe is vertical orientated with both ground wires connected to the DUT ground.
SPICE subcircuit data
* Input impedance SPICE subckt for N2849A_N2851A QuickTip and QuickTip probe
head.
* Vertical orientation with both ground wires connected to DUT ground
* Models all modes of input impedance: Diff, Common, and A or B
.subckt N2849A_N2851A 1 2
r1 1 3 1e8
r2 2 3 1e8
r9 3 0 .5e8
r_srlc2 5 7 201.895
l_srlc2 7 8 4.24047n
c_srlc2 8 6 101.955f
r_srlc3 4 9 190.712
l_srlc3 9 10 8.8192n
c_srlc3 10 6 7.86088f
r_srlc1 4 11 325.561
l_srlc1 11 12 2.89997n
c_srlc1 12 6 315.986f
r3 4 13 260
c1 13 6 200f
r5 13 6 50k
r8 6 0 1e-6
r4 14 16 130
r_srlc4 14 18 175.375
l_srlc4 18 19 13.431n
c_srlc4 19 17 485.278f
r_srlc5 14 20 13.8395
l_srlc5 20 21 3.28155n
c_srlc5 21 17 15.7972f
r_srlc6 15 22 302.872
l_srlc6 22 23 3.28881n
c_srlc6 23 17 79.906f
r6 16 17 25k
c2 16 17 200f
r7 17 0 1e-6
e1 5 0 4 0 -1
e2 4 0 1 2 1
e3 14 0 3 0 2
e4 15 0 14 0 -1
g1 1 2 6 0 1e6
g2 1 0 17 0 1e6
g3 2 0 17 0 1e6
.ends
1130B-Series Probes User's Guide
10
SPICE Models
227