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
Figure 1. Model 11851B Cables, Option B24
4 User’sand Service Guide 11851-90007
Operating Characteristics
11851B
Standard
Impedance
Connectors
Phase Match
Return Loss
(n/a for the 1 unmatched cable)
≥ 24 dB (300 kHz to 2 GHz)
50Ω (nominal) 50Ω (nominal)
Type-N, male Type-N, male
≤ 4° (at 2 GHz)
≥ 22 dB (2 GHz to 3 GHz)
Physical Characteristics
11851B
Standard
Length:
11851B
Option B24
n/a
≥ 24 dB (300 kHz to 2 GHz)
≥ 22 dB (2 GHz to 3 GHz)
11851B
Option B24
3 shorter cables 61 cm (24 inches) 61 cm (24 inches)
1 longer cable 86 cm (34 inches) 86 cm (34 inches)
Weight (all 4 cables):
Net 0.91 kg (2 lbs) 0.91 kg (2 lbs)
Shipping 1.36 kg (2 lbs) 1.36 kg (2 lbs)
User’s and Service Guide 11851-90007 5
Warranty
This Agilent Technologies instrument product is warranted against defects in material and
workmanship for a period of one year from date of delivery. During the warranty period,
Agilent Technologies will, at its option, either repair or replace products which prove to be
defective.
For warranty service or repair, this product must be returned to a service facility designated
by Agilent Technologies. Buyer shall prepay shipping charges to Agilent Technologies and
Agilent Technologies shall pay shipping charges to return the product to Buyer. However,
Buyer shall pay all shipping charges, duties, and taxes for products returned to Agilent
Technologies from another country.
Agilent Technologies warrants that its software and firmware designated by Agilent
Technologies for use with an instrument will execute its programming instructions when
properly installed on that instrument. Agilent Technologies does not warrant that the
operation of the instrument, or software, or firmware will be uninterrupted or error free.
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from improper handling by Buyer,
Buyer-supplied software or interfacing, unauthorized modification or misuse, or operation
outside of the environmental specifications of the product.
No other warranty is expressed or implied. Agilent Technologies specifically disclaims the
implied warranties or merchantability and fitness for a particular purpose.
Exclusive Remedies
The remedies provided herein are Buyer’s sole and exclusive remedies. Agilent Technologies
shall not be liable for any direct, indirect, special, incidental, or consequential damages,
whether based on contract, tort, or any other legal theory.
Assistance
Product maintenance agreements and other customer assistance agreements are available for
Agilent Technologies Products.
For any assistance, contact your nearest Agilent Technologies Sales and Service Office. Refer
to the Contacting Agilent table on the following page.
6 User’sand Service Guide 11851-90007
Table 1-1. Contacting Agilent
Online assistance: www.agilent.com/find/assist
United States
(tel) 1 800 452 4844
New Zealand
(tel) 0 800 738 378
(fax) (+64) 4 495 8950
Malaysia
(tel) 1 800 828 848
(fax) 1 800 801 664
Taiwan
(tel) 0800-047-866
(fax) (886) 2 25456723
Latin America
(tel) (305) 269 7500
(fax) (305) 269 7599
Japan
(tel) (+81) 426 56 7832
(fax) (+81) 426 56 7840
Philippines
(tel) (632) 8426802
(tel) (
PLDT subscriber only):
1 800 16510170
(fax) (632) 8426809
(fax) (
PLDT subscriber only):
1 800 16510288
People’s Republic of
China
(tel) (preferred):
800-810-0189
(tel) (alternate):
10800-650-0021
(fax) 10800-650-0121
Canada
(tel) 1 877 894 4414
(fax) (905) 282-6495
Australia
(tel) 1 800 629 485
(fax) (+61) 3 9210 5947
Thailand
(tel) outside Bangkok:
(088) 226 008
(tel) within Bangkok:
(662) 661 3999
(fax) (66) 1 661 3714
India
(tel) 1-600-11-2929
(fax) 000-800-650-1101
Europe
(tel) (+31) 20 547 2323
(fax) (+31) 20 547 2390
Singapore
(tel) 1 800 375 8100
(fax) (65) 836 0252
Hong Kong
(tel) 800 930 871
(fax) (852) 2506 9233
User’s and Service Guide 11851-90007 7
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