HP (Hewlett-Packard) 11857D User Manual

User’s and Service Guide

HP 11857D 7 mm Test Port Return Cable Set

HP Part Number 11857-90014 Supersedes: March 1986 Printed in USA September 1999

Notice.

The information contained in this document is subject to change without notice.

Hewlett-Packard makes no warranty of any kind with regard to this material, including but not limited to, the implied warranties of merchantability and ﬁtness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.

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.

• 7 mm center conductor recession with collet removed: 0.0 to 0.003 inch.

Description

The HP 11857D cable set consists of two 7 mm 50Ω cables, speciﬁed from 300 kHz to 3 GHz. This set provides shielded RF connections to extend the test ports of S-parameter test sets such as the HP 85046A. The cables can be ordered as either phase-matched or unmatched.

Model Description Qty HP Part Number

HP 11857D

Standard

HP 11857D Option B24

Phase-matched 7 mm 50Ω cables 2 8120-4779

Unmatched 7 mm 50Ω cables 2 8120-8899

User’s and Service Guide 11857-90014 3

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