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Keysight U1818A/B Operating and Service Manual

Notices

Copyright Notice

© Keysight Technologies 2013 - 2019
No part of this manual may be repro-

duced in any form or by any means 

(including electronic storage and 

retrieval or translation into a foreign 

language) without prior agreement and 

written consent from Keysight Technol-

ogies as governed by United States and 

international copyright laws.

Manual Part Number

U1818-90001

Edition

Edition 5, April 17, 2019

Printed in:

Printed in Malaysia

Published by:

Keysight Technologies

Bayan Lepas Free Industrial Zone,

11900 Penang, Malaysia

Technology Licenses 

The hardware and/or software 

described in this document are fur-

nished under a license and may be 

used or copied only in accordance with 

the terms of such license.

Declaration of Conformity

Declarations of Conformity for this 

product and for other Keysight prod-

ucts may be downloaded from the 

Web. Go to 

http://www.keysight.com/

go/conformity

. You can then search by 

product number to find the latest Dec-

laration of Conformity.

U.S. Government Rights

The Software is “commercial computer 

software,” as defined by Federal Acqui-

sition Regulation (“FAR”) 2.101. Pursu-

ant to FAR 12.212 and 27.405-3 and 

Department of Defense FAR Supple-

ment (“DFARS”) 227.7202, the U.S. 

government acquires commercial com-

puter software under the same terms 

by which the software is customarily 

provided to the public. Accordingly, 

Keysight provides the Software to U.S. 

government customers under its stan-

dard commercial license, which is 

embodied in its End User License 

Agreement (EULA), a copy of which can 

be found at 

http://www.keysight.com/

find/sweula

. The license set forth in the 

EULA represents the exclusive authority 

by which the U.S. government may use, 

modify, distribute, or disclose the Soft-

ware. The EULA and the license set 

forth therein, does not require or per-

mit, among other things, that Keysight: 

(1) Furnish technical information 

related to commercial computer soft-

ware or commercial computer software 

documentation that is not customarily 

provided to the public; or (2) Relinquish 

to, or otherwise provide, the govern-

ment rights in excess of these rights 

customarily provided to the public to 

use, modify, reproduce, release, per-

form, display, or disclose commercial 

computer software or commercial com-

puter software documentation. No 

additional government requirements 

beyond those set forth in the EULA 

shall apply, except to the extent that 

those terms, rights, or licenses are 

explicitly required from all providers of 

commercial computer software pursu-

ant to the FAR and the DFARS and are 

set forth specifically in writing else-

where in the EULA. Keysight shall be 

under no obligation to update, revise or 

otherwise modify the Software. With 

respect to any technical data as 

defined by FAR 2.101, pursuant to FAR 

12.211 and 27.404.2 and DFARS 

227.7102, the U.S. government 

acquires no greater than Limited Rights 

as defined in FAR 27.401 or DFAR 

227.7103-5 (c), as applicable in any 

technical data.

Warranty

THE MATERIAL CONTAINED IN THIS 

DOCUMENT IS PROVIDED “AS IS,” 

AND IS SUBJECT TO BEING 

CHANGED, WITHOUT NOTICE, IN 

FUTURE EDITIONS. FURTHER, TO THE 

MAXIMUM EXTENT PERMITTED BY 

APPLICABLE LAW, KEYSIGHT DIS-

CLAIMS ALL WARRANTIES, EITHER 

EXPRESS OR IMPLIED, WITH REGARD 

TO THIS MANUAL AND ANY INFORMA-

TION CONTAINED HEREIN, INCLUD-

ING BUT NOT LIMITED TO THE 

IMPLIED WARRANTIES OF MER-

CHANTABILITY AND FITNESS FOR A 

PARTICULAR PURPOSE. KEYSIGHT 

SHALL NOT BE LIABLE FOR ERRORS 

OR FOR INCIDENTAL OR CONSE-

QUENTIAL DAMAGES IN CONNECTION 

WITH THE FURNISHING, USE, OR 

PERFORMANCE OF THIS DOCUMENT 

OR OF ANY INFORMATION CON-

TAINED HEREIN. SHOULD KEYSIGHT 

AND THE USER HAVE A SEPARATE 

WRITTEN AGREEMENT WITH WAR-

RANTY TERMS COVERING THE MATE-

RIAL IN THIS DOCUMENT THAT 

CONFLICT WITH THESE TERMS, THE 

WARRANTY TERMS IN THE SEPARATE 

AGREEMENT SHALL CONTROL.

Safety Information

CAUTION

A CAUTION notice denotes a hazard. It 

calls attention to an operating proce-

dure, practice, or the like that, if not 

correctly performed or adhered to, 

could result in damage to the product 

or loss of important data. Do not pro-

ceed beyond a CAUTION notice until 

the indicated conditions are fully 

understood and met.

WARNING

A WARNING notice denotes a hazard. It 

calls attention to an operating proce-

dure, practice, or the like that, if not 

correctly performed or adhered to, 

could result in personal injury or death. 

Do not proceed beyond a WARNING 

notice until the indicated conditions are 

fully understood and met.

Summary of Contents for U1818A

Page 1: ...Keysight U1818A B Active Differential Probe Operating and Service Manual...

Page 2: ...rights customarily provided to the public to use modify reproduce release per form display or disclose commercial computer software or commercial com puter software documentation No additional govern...

Page 3: ...n Legal Directives This symbol indicates that this is an Industrial Scientific and Medical Group 1 Class A product ICES NMB 001 indicates that this ISM device complies with Canadian ICES 001 Cet appar...

Page 4: ...itoring and Control Instrument product The affixed product label is as shown below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Keysight Service C...

Page 5: ...robe Heads 17 Other Available Accessories 21 Handling Guide 24 Connecting Disconnecting probe heads 24 Handling the probe cable 26 Handling the probe amplifier 27 Handling the differential browsers wi...

Page 6: ...6 Keysight U1818A B Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Page 7: ...2 3 E2678A single ended differential socketed probe head 18 Figure 2 4 E2675A differential browser kit 18 Figure 2 5 E2679A single ended solder probe head 19 Figure 2 6 E2676A single ended browser pro...

Page 8: ...36 Figure 2 28 Cut the wires even with the trim gauge 37 Figure 2 29 N5382A wire bend down at about 30 degree 37 Figure 2 30 ZIF tip open position and ZIF probe head 39 Figure 2 31 ZIF tip closed pos...

Page 9: ...Keysight U1818A B Active Differential Probe Operating and Service Manual 9 1 Introduction Product Overview 10 This chapter provides you the overview of Keysight U1818A B active differential probe...

Page 10: ...ave and high speed digital design and validation in the wireline wireless communications and aerospace defence industries Figure 1 1 Keysight U1818A B active differential probe Key features of Keysigh...

Page 11: ...able options available for Keysight U1818A B Option 001 Power probe bias cable Option 002 Banana plug cable Figure 1 2 Power probe bias cable Figure 1 3 Banana plug cable There are five probe head opt...

Page 12: ...1 Introduction 12 Keysight U1818A B Operating and Service Manual Figure 1 4 E2695A differential SMA probe head for InfiniiMax probe Figure 1 5 N5380A InfiniiMax II 12GHz differential SMA adapter...

Page 13: ...oduction 1 Keysight U1818A B Operating and Service Manual 13 Figure 1 6 N5381A 12GHz InfiniiMax differential solder in probe head and accessories Figure 1 7 N5382A InfiniiMax II 12GHz differential bro...

Page 14: ...1 Introduction 14 Keysight U1818A B Operating and Service Manual Figure 1 8 N5425B 12GHz InfiniiMax ZIF solder in probe head Figure 1 9 N5426A 12GHz InfiniiMax ZIF Tip kit of 10...

Page 15: ...e Manual 15 2 Service and Maintenance Operating Instructions 16 Other Probe Heads 17 Other Available Accessories 21 Handling Guide 24 Maintenance 32 Service Instructions 33 This chapter provides you t...

Page 16: ...cable When the probe is ON you will see the green LED will lights up to indicate the probe is ready to be used Power probe cable Connect the power probe bias cable to the probe power port of spectrum...

Page 17: ...ervice Manual 17 Other Probe Heads Besides standard probe head options below are some other probe heads that can be used with U1818A B with limitations Figure 2 1 N5451A differential long wire ZIF tip...

Page 18: ...2 Service and Maintenance 18 Keysight U1818A B Operating and Service Manual Figure 2 3 E2678A single ended differential socketed probe head Figure 2 4 E2675A differential browser kit...

Page 19: ...Service and Maintenance 2 Keysight U1818A B Operating and Service Manual 19 Figure 2 5 E2679A single ended solder probe head Figure 2 6 E2676A single ended browser probe head...

Page 20: ...2 Service and Maintenance 20 Keysight U1818A B Operating and Service Manual Figure 2 7 E2669A differential connectivity kit Figure 2 8 E2668A single ended connectivity kit...

Page 21: ...d Service Manual 21 Other Available Accessories There are more accessories that you can get from Keysight to work with U1818A B Figure 2 9 N2880A in line attenuator kit Figure 2 10 N2881A DC blocking...

Page 22: ...2 Service and Maintenance 22 Keysight U1818A B Operating and Service Manual Figure 2 12 N2784A 1 arm probe positioner Figure 2 13 N2785A 2 arm probe positioner...

Page 23: ...nce 2 Keysight U1818A B Operating and Service Manual 23 Figure 2 14 N2787A 3D probe positioner Figure 2 15 N5450A InfiniiMax extreme temperature cable extension Figure 2 16 E3620A 50W dual output powe...

Page 24: ...onnecting Disconnecting probe heads When disconnecting a probe head from an amplifier pull the probe head connectors straight out of the socket as shown in Figure 2 17 When removing or disconnecting a...

Page 25: ...lly inspect them by looking in the sockets on the amplifier Notice in Figure 2 19 that the pins are straight as they should be Figure 2 19 Straight pins in an amplifier If you connect and disconnect p...

Page 26: ...e cable where it exists the probe amplifier and bend it well beyond its limit When storing the probe it is best to coil the cable in a large radius and avoid a net twist in the cable during the proces...

Page 27: ...mplifier contains a delicate circuit board You therefore need to treat it carefully and take standard precautions for example not dropping it repeatedly or from large heights not getting it wet not sm...

Page 28: ...e it can be difficult to hold the differential browsers for extended periods of time The ergonomic handle can be used to more comfortably hold the browser Figure 2 21 shows how to mount the browser in...

Page 29: ...ed when used with the N5380A or E2695A SMA probe heads Use the Keysight N5380 64701 SMA Head Support to prevent damage Make sure to plug the probe amplifier into the SMA head before installing the SMA...

Page 30: ...r the probe heads can be operated over a much larger range of temperatures If you need to make measurements at temperatures outside the range of the amplifier the N5450A Extreme Temperatures Cable Ext...

Page 31: ...non conductive double sided tape Do not use super glue and do not get the low temperature hot glue on the actual probe head tip as this can damage the precision components of your probing system only...

Page 32: ...ng and Service Manual Maintenance If the probe requires cleaning disconnect it from the instrument and clean it with a soft cloth dampened with a mild soap and water solution Make sure the probe is co...

Page 33: ...iate wire for each probe head as follows The N5381A uses the 0 005 inch tin plated nickel wire 01169 21306 or 0 007 inch tin plated nickel wire 01169 81301 The N5382A uses the 0 005 inch tin plated st...

Page 34: ...e tip an inch or so off the work surface for easy access If using a vise grip the tip on the sides with light force If using a tweezers clamp grip the tip either on the sides or at the top and bottom...

Page 35: ...When the hole s are filled with solder use the flux pencil to coat the solder joint area with flux 4 Cut two wires to a length of about 12 7mm 0 5inches 5 Using tweezers put 90 degree bend at the end...

Page 36: ...2 Service and Maintenance 36 Keysight U1818A B Operating and Service Manual Figure 2 27 Use trim gauge to gauge the wire 9 Cut the wires even with the trim gauge on the side opposite of the probe head...

Page 37: ...U1818A B Operating and Service Manual 37 Figure 2 28 Cut the wires even with the trim gauge 10 When replacing wires on the N5382A Browser bend the wires down at about 30 degree angle Figure 2 29 N5382...

Page 38: ...into the probe amplifier therefore it does not matter which way the tip is soldered Procedures and soldering tips for using N5425A InfiniiMax ZIF probe heads The InfiniiMax ZIF Zero Insertion Force Pr...

Page 39: ...Service and Maintenance 2 Keysight U1818A B Operating and Service Manual 39 Figure 2 30 ZIF tip open position and ZIF probe head Figure 2 31 ZIF tip closed position with ZIF probe head inserted...

Page 40: ...e enough flux for this small scale soldering Also put flux on the tips of the leads of the ZIF tip 3 Clean the soldering tip well then add a little bit of solder to the tip It may take several tries t...

Page 41: ...and connection to a ZIF probe head is shown below Figure 2 32 shows a IC package which we will attach a ZIF tip to the first two package leads The target could also be via pads or signal traces Figur...

Page 42: ...sight U1818A B Operating and Service Manual Figure 2 33 Solder added to target points 2 Use flux pen to add flux to the target points Also flux the tip of the lead on the ZIF tip at this time Figure 2...

Page 43: ...Tip of soldering iron 4 Installation of ZIF tip Connect the ZIF tip to the ZIF probe head as shown in Figure 2 30 and Figure 2 31 This allows the probe to be used as a handle for the ZIF tip to allow...

Page 44: ...r future connection It is best to use a non conductive pointed object such as a tooth pick or plastic tool Hold on the heat shrink part of the probe head to support the ZIF tip while releasing the lat...

Page 45: ...Service and Maintenance 2 Keysight U1818A B Operating and Service Manual 45 Figure 2 37 Using non conductive tool to open the ZIF connector Figure 2 38 ZIF Tip left behind in DUT with ZIF latch open...

Page 46: ...head into the ZIF socket and then close the ZIF latch with a non conductive tool Depending on the positioning of the ZIF tip you may need to support the body of the ZIF tip while closing the latch Th...

Page 47: ...s subject to change without notice Always refer to the English version at the Keysight website for the latest revision Keysight Technologies 2013 2019 Edition 5 April 17 2019 Printed in Malaysia U1818...

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