
User’s and Service Guide
11851B
50Ω Type-N RF Cable Set
Part Number 11851-90007 Supersedes: September 1999
Printed in USA August 2001

Notice.
The information contained in this document is subject to change without notice.
Agilent Technologies makes no warrantyofanykindwithregardtothismaterial,includingbut not limited
to, the implied warranties of merchantability and fitness for a particular purpose. Agilent Technologies
shallnotbeliableforerrors contained herein orfor incidental or consequentialdamages in connection with
the furnishing, performance, or use of this material.
© Copyright 1986, 1999, 2001 Agilent Technologies, Inc.

General Information
To obtain optimum performance from this cable set, observe these simple precautions:
• Flex and straighten the cables as little and seldom as possible.
• Make connections carefully to avoid misalignment and connector damage or inaccurate
measurements.
• Keep the connectors free of dirt and metallic particles.
• If you must clean the connectors, try clean compressed air first. Do not use abrasives.With
a plastic swab, apply only liquid Freon (trichlorotrifluoroethane) as a solvent.
• Type-N (male) outer conductor shoulder, dielectric recession, or center conductor step:
0.208 inch minimum.
Description
The 11851B RF cable set consists of four type-N 50Ω cables, specified from 300 kHz to 3 GHz.
This set provides the shielded RF connections required when using network analyzers with
test sets or power splitters. The cables can be ordered as either phase-matched (three phase
matched cables, plus one longer unmatched cable) or unmatched.
Model Description Qty Part Number
11851B
Standard
11851B
Option B24
Phase-matched type-N 50Ω cables
Unmatched, longer type-N 50Ω cable
Unmatched type-N 50Ω cables
Unmatched, longer type-N 50Ω cable
3
1
3
1
8120-4781
8120-4780
8120-8862
8121-0001
User’s and Service Guide 11851-90007 3