Keysight N2800A User Manual page 137

8
SPICE Models
You'll find the following SPICE data on the documentation CD that was shipped with your probe.
N OT E
Copying this data from the CD is the simplest most reliable method to get the data.
N2838A PC Board ZIF Tip, N5439A ZIF Probe Head
For matching between the modeled and measured input impedances, refer to
"N2838A/N5439A 25 GHz PCB ZIF Tip/Head (with N2803A)" on page 106.
.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
InfiniiMax III Series Probes User's Guide 137