Keysight U1832A User manual

Keysight U1832A/B/C and
U1833A/B/C/D
USB Noise Sources
User’s Guide

2 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
Notices
Copyright Notice
© Keysight Technologies 2022
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
U1833-90001
Edition
Edition 1, August 30, 2022
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
www.keysight.com/go/conformity. You
can then search by product number to
find the latest Declaration of Confor-
mity.
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
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, dis-
tribute, or disclose the Software. The
EULA and the license set forth therein,
does not require or permit, among
other things, that Keysight: (1) Furnish
technical information related to com-
mercial computer software or commer-
cial computer software documentation
that is not customarily provided to the
public; or (2) Relinquish to, or other-
wise provide, the government rights in
excess of these rights customarily pro-
vided to the public to use, modify,
reproduce, release, perform, display, or
disclose commercial computer soft-
ware or commercial computer software
documentation. No additional govern-
ment 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 soft-
ware pursuant to the FAR and the
DFARS and are set forth specifically in
writing elsewhere in the EULA. Keysight
shall be under no obligation to update,
revise or otherwise modify the Soft-
ware. 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.

Keysight U1832A/B/C and U1833A/B/C/D User’s Guide 3
Regulatory Information
Electromagnetic compatibility
The U1832A/B/C and U1833A/B/C/D USB Noise Sources comply with the
following Electromagnetic Compatibility (EMC) compliances:
– IEC 61326-1/EN 61326-1
– Canada: ICES/NMB-001
– Australia/New Zealand: AS/NZS CISPR11
In order to preserve the EMC performance of the product, any cable which
becomes worn or damaged must be replaced with the same type and
specification.
CAUTION
CLEAN WITH SLIGHTLY DAMPENED CLOTH
Clean the outside of the instrument with a soft, lint-free, slightly dampened
cloth. Do not use detergent, volatile liquids, or chemical solvents.

4 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
Regulatory Markings
The CE mark is a registered trademark of the
European Community. The CE mark shows that
the product complies with all the relevant
European Legal Directives.
CAN ICES/NMB-001(A) indicates that this ISM
device complies with the Canadian ICES-001.
Cet appareil ISM est conforme a la norme
NMB-001 du Canada.
ISM GRP1 Class A indicates that this is an
Industrial Scientific and Medical Group 1 Class
A product.
This Keysight CCR (Customer
Compliance Response) email
ID is for manufacturer
identification and indicates
that the product complies
with all the relevant
European Legal Directives.
The UKCA (UK Conformity Assessed) marking
is a UK product marking that is used for goods
being placed on the market in Great Britain
(England, Wales, and Scotland)
The RCM mark is a registered
trademark of the Australian
Communications and Media
Authority.
This symbol indicates the time period during which no hazardous or toxic substance elements
are expected to leak or deteriorate during normal use. Forty years is the expected useful life of
the product.
The crossed out wheeled bin symbol indicates that separate collection for waste electric and
electronic equipment (WEEE) is required, as obligated by the EU DIRECTIVE and other National
legislation.
Please refer to www.keysight.com/go/takeback to understand your Trade-in options with
Keysight in addition to product take back instructions.
This symbol is a South Korean Class A EMC Declaration.
This equipment is Class A suitable for professional use and is for use in electromagnetic
environments outside of the home.
R-R-Kst-WN2178x

Keysight U1832A/B/C and U1833A/B/C/D User’s Guide 5
South Korean Class A EMC Declaration
Information to the user:
This instrument has been conformity assessed for use in business environments.
In a residential environment, this equipment may cause radio interference.
This EMC statement applies to the equipment only for use in business
environment.
Sales and Technical Support
To contact Keysight for sales and technical support, refer to the support links on
the following Keysight websites:
–www.keysight.com/find/noisesources
(product-specific information and support, software and
documentation updates)
–www.keysight.com/find/assist
(worldwide contact information for repair and service)

6 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
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Keysight U1832A/B/C and U1833A/B/C/D User’s Guide 7
Table of Contents
Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Electromagnetic compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Regulatory Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
South Korean Class A EMC Declaration . . . . . . . . . . . . . . . . . . . . . . . . .5
Sales and Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1Introduction
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Key features of the U1832A/B/C and U1833A/B/C/D USB Noise
Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Product Model Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
2Installation
Initial Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Verify the U1832A/B/C and U1833A/B/C/D Shipment Contents . . . . .19
Shipment content list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Service and Recalibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Operating and Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Handling Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
ESD damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Connector Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Instrument Retrofit Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
U1832A/B/C and U1833A/B/C/D ENR Format Details . . . . . . . . . . . . .22
U1832A/B/C and U1833A/B/C/D LED Indication . . . . . . . . . . . . . . . . .23
3 Specifications
Characteristics and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Mechanical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

8 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
4OperatingGuides
Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Operator’s check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Service and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Operator’s Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Keysight U1832A/B/C and U1833A/B/C/D User’s Guide 9
List of Figures
Figure 1-1 Keysight USB Noise Source . . . . . . . . . . . . . . . . . . . . .14
Figure 2-1 U1832A/B/C and U1833A/B/C/D overview . . . . . . . .23
Figure 3-1 U1832A USB Noise Source . . . . . . . . . . . . . . . . . . . . .27
Figure 3-2 U1832B USB Noise Source . . . . . . . . . . . . . . . . . . . . .28
Figure 3-3 U1833A USB Noise Source . . . . . . . . . . . . . . . . . . . . .29
Figure 3-4 U1833B USB Noise Source . . . . . . . . . . . . . . . . . . . . .30
Figure 3-5 U1832C USB Noise Source . . . . . . . . . . . . . . . . . . . . .31
Figure 3-6 U1833C USB Noise Source . . . . . . . . . . . . . . . . . . . . .32
Figure 3-7 U1833D USB Noise Source . . . . . . . . . . . . . . . . . . . . .33
Figure 3-8 Typical ENR and Return Loss of U1832A and U1833A . .
34
Figure 3-9 Typical ENR and Return Loss of U1832B and U1833B . .
35
Figure 3-10 Typical ENR and Return Loss of U1832C and U1833C . .
36
Figure 3-11 Typical ENR and Return Loss of U1833D . . . . . . . . . .36
Figure 4-1 Noise Source: SNS shown on display . . . . . . . . . . . . .40
Figure 4-2 USB Noise Source model ID and serial # on ENR table .
41
Figure 4-3 Typical ENR Table after data transfer . . . . . . . . . . . . .42
Figure 4-4 USB Noise Source connection to the Signal Analyzer 43
Figure 4-5 Noise Source setup menu . . . . . . . . . . . . . . . . . . . . . .44
Figure 4-6 Typical Pcold plot at Off state . . . . . . . . . . . . . . . . . . .44
Figure 4-7 Typical Phot plot at On state . . . . . . . . . . . . . . . . . . . .45
Figure 4-8 Typical Phot and Pcold plot at Normal state . . . . . . . .46

10 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
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Keysight U1832A/B/C and U1833A/B/C/D User’s Guide 11
List of Tables
Table 1-1 Product Model Description . . . . . . . . . . . . . . . . . . . . .15
Table 2-1 Shipment content list . . . . . . . . . . . . . . . . . . . . . . . . . .19
Table 2-2 LED color and instrument state . . . . . . . . . . . . . . . . . .23
Table 3-1 Physical specifications . . . . . . . . . . . . . . . . . . . . . . . . .26
Table 3-2 U1832x/U1833x Environmental Specifications . . . . . .37

12 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
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Keysight U1832A/B/C and U1833A/B/C/D
USB Noise Sources User’s Guide
13
1 Introduction
Product Overview 14
This chapter provides an overview of the Keysight U1832A/B/C and
U1833A/B/C/D USB Noise Sources.

1Introduction
14 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
Product Overview
The Keysight U1832A/B/C and U1833A/B/C/D USB Noise Sources operate up to
60 GHz and provide a smart broadband noise figure measurement solutions,
covering both bench-top and modular solution. The Keysight USB Noise Source
connectivity provides coverage for using noise source across multiple
measurement platforms, as follows:
– Bench-top X-Series Signal Analyzers
– Noise Figure Analyzers (N897xB)
The USB Noise Source connectivity comes with smart features of automatic
download of electronically stored calibration data and temperature sensing. These
capabilities significantly reduce the setup complexity and the operation time.
Figure 1-1 Keysight USB Noise Source

Introduction 1
Keysight U1832A/B/C and U1833A/B/C/D User’s Guide 15
Key features of the U1832A/B/C and U1833A/B/C/D USB Noise
Sources
– Automatic download of ENR data to the analyzers significantly speeds up the
overall setup time.
– Electronic storage of Excess Noise Ratio (ENR) calibration data decreases
opportunity for user error.
– Temperature sensing improves measurement accuracy, leading to tighter
specification of device performance.
Product Model Description
Table 1-1 Product Model Description
Model Description ENR Value Connector
Type
U1832A USB Smart Noise Source, 10 MHz to 18 GHz 5 dB N-Type
U1832B USB Smart Noise Source, 10 MHz to 26.5 GHz 5 dB 3.5 mm
U1832C USB Smart Noise Source, 500 MHz to 50 GHz 5 dB 2.4 mm
U1833A USB Smart Noise Source, 10 MHz to 18 GHz 15 dB N-Type
U1833B USB Smart Noise Source, 10 MHz to 26.5 GHz 15 dB 3.5 mm
U1833C USB Smart Noise Source, 500 MHz to 50 GHz 15 dB 2.4 mm
U1833D USB Smart Noise Source, 500 MHz to 60 GHz 10 dB 1.85 mm

1Introduction
16 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
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Keysight U1832A/B/C and U1833A/B/C/D
USB Noise Sources User’s Guide
17
2 Installation
Initial Inspection 18
Service and Recalibration 19
Operating and Safety Precautions 20
This chapter provides you important information on how to check and prepare
your instrument for operation.

2Installation
18 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
Initial Inspection
1Unpack and inspect the shipping container and its contents thoroughly to
ensure that nothing was damaged during shipment. If the shipping container
or cushioning material is damaged, the contents should be checked both
mechanically and electrically.
– Check for mechanical damage such as scratches or dents.
– Procedures for checking electrical performance are given under “Operator’s
check” on page 40.
2If the contents are damaged or defective, contact your nearest Keysight
Technologies Service and Support Office. Refer to “Sales and Technical
Support” on page 5 of this manual. Keysight Technologies will arrange for
repair or replacement of the damaged or defective equipment. Keep the
shipping materials for the carrier’s inspection.
3If you are returning the instrument under warranty or for service, repackaging
the instrument requires original shipping containers and material or their
equivalents. Keysight Technologies can provide packaging materials identical
to the original materials. Refer to “Sales and Technical Support” on page 5 of
this manual for the Keysight Technologies nearest to you. Attach a tag
indicating the type of service required, return address, model number, and
serial number. Mark the container FRAGILE to insure careful handling. In any
correspondence, refer to the instrument by model number and serial number.

Installation 2
Keysight U1832A/B/C and U1833A/B/C/D User’s Guide 19
Verify the U1832A/B/C and U1833A/B/C/D Shipment Contents
Shipment content list
Service and Recalibration
If your U1832A/B/C and U1833A/B/C/D requires service or repair, contact the
nearest Keysight office for information on where to send it. Refer to “Sales and
Technical Support” on page 5 of this manual. The performance of the U1832A/B/
C and U1833A/B/C/D can only be verified by specially-manufactured equipment
and calibration standard from Keysight. The recommended interval for
recalibration is 12 months.
Table 2-1 Shipment content list
Quantity Description Part Number
1 Calibration Certificate 5962-0476
1 Quick Startup Poster U1833-80001
1USB cable, 1 meter[a]
[a] This item is available with Option 101.
8121-3776
1USB cable, 2 meter[b]
[b] This item is available with Option 102.
8121-3431
NOTE
The USB cable (1 meter/2 meter) is included in each U1832A/B/C and
U1833A/B/C/D USB Noise Sources shipment but you can order one of the two
cables only.

2Installation
20 Keysight U1832A/B/C and U1833A/B/C/D User’s Guide
Operating and Safety Precautions
Observe the following guidelines before connecting or operating the U1832A/B/C
and U1833A/B/C/D USB Noise Sources.
Handling Precautions
Proper connector care is essential. See “Operator’s Maintenance” on page 47 for
more information.
ESD damage
Protection against electrostatic discharge (ESD) is important while handling and
operating the U1832A/B/C and U1833A/B/C/D USB Noise Source.
Static electricity can build up on your body and can easily damage sensitive
components when discharged.
Static discharges too small to be felt can cause permanent damage to the unit.
NOTE
Allow the USB Noise Source to warm-up for 60 minutes before making any
measurements.
CAUTION
The diode module is static sensitive and can be damaged or the calibration
can be altered.
CAUTION
Do not rotate the body of the USB Noise Source when connecting to the
noise figure analyzer, or internal damage may result.
CAUTION
Do not drop the USB Noise Source. Dropping can damage the unit or alter
the calibration.