User ’s a n d Ser vice Gu id e
HP 11857D
7 m m Test Por t Retu r n Ca ble Set
HP Part Number 11857-90014 Supersedes: March 1986
Printed in USA September 1999
Gen er a l In for m a tion
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.
Descr ip tion
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
Phase-matched 7 mm 50Ω cables
2
8120-4779
HP 11857D
Option B24
Unmatched 7 mm 50Ω cables
2
8120-8899
User’s and Service Guide 11857-90014
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Figu r e 1. Mod el HP 11857D Ca bles, Op tion B24
4
User’s and Service Guide 11857-90014
Op er a tin g Ch a r a cter istics
HP 11857D
Standard
HP 11857D
Option B24
Im p ed a n ce
Con n ector s
P h a se Ma tch
50Ω (nominal)
50Ω (nominal)
7 mm
7 mm
n/a
≤ 4°
(at 2 GHz)
Retu r n Loss
≥ 24 dB
(300 kHz to 3 GHz)
≥ 24 dB
(300 kHz to 3 GHz)
P h ysica l Ch a r a cter istics
HP 11857D
Standard
HP 11857D
Option B24
Len gth
61 cm
61 cm
(24 inches)
(24 inches)
Weigh t (both ca bles):
Net
0.91 kg (2 lbs)
1.36 kg (2 lbs)
0.91 kg (2 lbs)
1.36 kg (2 lbs)
Sh ip p in g
User’s and Service Guide 11857-90014
5
Wa r r a n ty
This Hewlett-Packard instrument product is warranted against defects in material and
workmanship for a period of one year from date of delivery. During the warranty period,
Hewlett-Packard Company 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 HP. Buyer shall prepay shipping charges to HP and HP shall pay shipping charges to
return the product to Buyer. However, Buyer shall pay all shipping charges, duties, and taxes
for products returned to HP from another country.
HP warrants that its software and firmware designated by HP for use with an instrument will
execute its programming instructions when properly installed on that instrument. HP does
not warrant that the operation of the instrument, or software, or firmware will be
uninterrupted or error free.
Lim ita tion of Wa r r a n ty
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. HP specifically disclaims the implied warranties or
merchantability and fitness for a particular purpose.
Exclu sive Rem ed ies
The remedies provided herein are Buyer’s sole and exclusive remedies. HP shall not be liable
for any direct, indirect, special, incidental, or consequential damages, whether based on
contract, tort, or any other legal theory.
Assista n ce
Product maintenance agreements and other customer assistance agreements are available for
Hewlett-Packard Products.
For any assistance, contact your nearest Hewlett-Packard Sales and Service Office. Addresses
are provided at the back of this guide.
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User’s and Service Guide 11857-90014
Hew lett-Pa ck a r d Sa les a n d Ser vice Offices
UNITED STATES
Instrument Support Center
Hewlett-Packard Company
(800) 403-0801
EUROP EAN F IELD OP ERATIONS
Headquarters
France
Germany
Hewlett-Packard S.A.
150, Route du Nant-d’Avril
1217 Meyrin 2/ Geneva
Switzerland
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Zone D’Activite De
Courtaboeuf
Hewlett-Packard GmbH
Hewlett-Packard Strasse
61352 Bad Homburg v.d.H
Germany
(41 22) 780.8111
F-91947 Les Ulis Cedex
France
(49 6172) 16-0
(33 1) 69 82 60 60
Great Britain
Hewlett-Packard Ltd.
Eskdale Road, Winnersh
Triangle Wokingham,
Berkshire RG41 5DZ
England
(44 118) 9696622
INTERCON F IELD OP ERATIONS
Headquarters
Australia
Canada
Hewlett-Packard Company
3495 Deer Creek Rd.
Palo Alto, CA 94304-1316
USA
Hewlett-Packard Australia
Ltd.
31-41 Joseph Street
Blackburn, Victoria 3130
(61 3) 895-2895
Hewlett-Packard (Canada)
Ltd.
17500 South Service Road
Trans-Canada Highway
Kirkland, Quebec H9J 2X8
Canada
(415) 857-5027
(514) 697-4232
Japan
Singapore
Taiwan
Hewlett-Packard Japan,
Ltd.
9-1 Takakura-Cho, Hachioji
Tokyo 192, Japan
(81 426) 60-2111
Hewlett-Packard Singapore
(Pte.) Ltd.
150 Beach Road
#29-00 Gateway West
Singapore 0718
(65) 291-9088
Hewlett-Packard Taiwan
8th Floor, H-P Building
337 Fu Hsing North Road
Taipei, Taiwan
(886 2) 712-0404
China
China Hewlett-Packard Co.
38 Bei San Huan X1 Road
Shuang Yu Shu
Hai Dian District
Beijing, China
(86 1) 256-6888
User’s and Service Guide 11857-90014
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