N5439A Zif Probe Head With N2838A Zif Tip - Keysight InfiniiMax III+ Series User Manual

9
SPICE Models

N5439A ZIF Probe Head with N2838A ZIF Tip

The following SPICE subcircuit data is for the N2838A 25 GHz printed-circuit board ZIF Tip
on an N5439A ZIF probe head.
SPICE Subcircuit Data
.subckt N2838A_N5439A_PcbZif 1 2
Cblkp 6 13 100n
Cblkn 2 14 100n
Cg1p 1 4 26.1f
Cg1n 5 6 26.1f
Cg2p 1 10 128.4f
Cg2n 12 6 128.4f
Cm2 2 8 3.04f
Cm3 2 3 7.05f
Rg1p 4 6 67.8
Rg1n 2 5 67.8
Rg2p 9 6 126.2
Rg2n 2 11 126.2
Rm2 1 7 225.9
Rm3 1 15 71.5
Rmbp 1 13 500
Rmbn 14 6 500
Rdcp 1 6 50k
Rdcn 2 6 50k
Rom 6 0 110
Lom 6 0 30u
Lg2p 9 10 1.21n
Lg2n 11 12 1.21n
Lm2 7 8 15.3n
Lm3 3 15 5.76n
.ends
154 InfiniiMax III+ Series Probes User's Guide