Keysight 87421/2A
Power Supply
Operating
and Service
Manual
otices
N
© Keysight Technologies 1992 - 2014
Warranty
Safety Notices
No part of this manual may be reprod uced in
any form or by any means (including electronic storage and retrieval or translation
into a foreign language) without prior agreement and written
Technologies as governed by United States
and international copyright laws.
consent from Keysight
Manual Part Number
87421-90001
Edition
Edition 4, August 2014
Printed in Malaysia
Keysight Technologies
Phase 3 Bayan Lepas Free Industrial Zone
Bayan Lepas, Penang 11900 Malaysia
Certification
Keysight Technologies certified that this
product met its published specifications at
the time of shipment from the factory.
Keysight Technologies further certifies that
its calibration measurements are
to the United States National Institute of
Stan-dards and Technology (NIST, formerly
NBS), to the extent allowed by the
Institute’s cali-bration facility, and to the
calibration facili-ties of other International
Standards Organization members.
traceable
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
l
aw, Keysight disclaims all warranties,
either express
to this manual and any information
contained herein, including but not
limited to the implied warranties of
merchantability and fitness for a particular purpose. Keysight shall not be
liable for
consequential damages in connection with the furnishing, use, or performance of this document or of any
information contained herein. Should
Keysight and the user have a separate
written agreement with warranty
terms covering the material in this
document that conflict with these
terms, the warranty terms in the separate agreement shall control.
or implied, with regard
errors or for incidental or
Technology Licenses
The hardware and/or software described in
this document are furnished under a license
and may be used or copied only in accordance with the terms of such license.
Restricted Rights Legend
U.S. Government Restricted Rights. Software and technical data rights granted
the federal government include only those
rights customarily provided to end user
cus-tomers. Keysight provides this
customary commercial license in Software
and techni-cal data pursuant to FAR 12.211
(Technical Data) and 12.212 (Computer
Software) and, for the Department of
Defense, DFARS 252.227-7015 (Technical
Data - Commercial Items) and DFARS
227.7202-3 (Rights in Commercial
Computer Software or Com-puter Software
Documentation).
to
CAUTION
A CAUTION notice denotes a hazard. It calls attention to an operating procedure, 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 proceed 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 procedure, 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.
2
Keysight 87421/2A Power Supply Operating and Service Manual
WEEE Compliance
This product complies with the WEEE Directive (2002/96/EC)
marking requirements. The affixed label indicates that you must
not discard this electrical/electronic product in domestic
household waste.
Product Category: With reference to the equipment types in the
WEEE Directive Annex I, this product is classed as a
“Monitoring and Control Instrumentation” product.
Do not dispose in domestic household waste.
To return unwanted products, contact your local Keysight
office, or see www.keysight.com for more information.
Keysigh
t 87421/2A Power Supply Operating and Service Manual
3
Contacting Keysight
For more information, please contact your nearest
Keysight office.
Americas
Canada
Latin America
United States
(877) 894-4414
305 269 7500
(800) 829-4444
Asia Pacific
Australia
China
Hong Kong
India
Japan
Korea
Malaysia
Singapore
Taiwan
Thailand
1 800 629 485
800 810 0189
800 938 693
1 800 112 929
81 426 56 7832
080 769 0800
1 800 888 848
1 800 375 8100
0800 047 866
1 800 226 008
Europe
Austria
Belgium
Denmark
Finland
France
Germany
Ireland
Italy
Netherlands
Spain
Sweden
Switzerland (French)
Switzerland (German)
United Kingdom
Other European Countries:
Or, go to www.keysight.com/find/assist for more information.
0820 87 44 11
32 (0) 2 404 93 40
45 70 13 15 15
358 (0) 10 855 2100
0825 010 700
01805 24 6333
1890 924 204
39 02 92 60 8484
31 (0) 20 547 2111
34 (91) 631 3300
0200-88 22 55
41 (21) 8113811 (Opt 2)
0800 80 53 53 (Opt 1)
44 (0) 118 9276201
www.keysight.com/find/contactus
4 Keysight 87421/2A Power Supply Operating and
Safety and Regulatory Information
Review this product and related documentation to familiarize
yourself with safety markings and instructions before you
operate the instrument. This product has been designed and
tested in accordance with international standards.
Instrument Markings
!
When you see this symbol on your instrument,
you should refer to the instrument’s instruction
manual for important information.
This symbol indicates hazardous voltages.
The laser radiation symbol is marked on
products that have a laser output.
Keysigh
This symbol indicates that the instrument
requires alternating current (ac) input.
The CE mark is a registered trademark of the
European Community. If it is accompanied by a
year, it indicates the year the design was proven.
The CSA mark is a registered trademark of the
R
ISM1-A
t 87421/2A Power Supply Operating and Service Manual
Canadian Standards Association.
This text indicates that the instrument is an
Industrial Scientific and Medical Group 1 Class A
product (CISPER 11, Clause 4).
5
ICES/NMB-001
ICES/NMB-001 indicates that this ISM device
complies with Canadian ICES-001.
Cet appareil ISM est conforme a la norme
NMB-001 du Canada.
ff
N10149
Safety Earth Ground
This is Safety Class I product (provided with a protective
earthing terminal). An uninterruptible safety earth ground must
be provided from the main power source to the product input
wiring terminals, power cords, or supplied power cord set.
Whenever it is likely that the protection has been impaired, the
product must be made inoperative and secured against any
unintended operation.
The C-Tick mark is registered trademark of the
Spectrum Management Agency of Australia. This
signifies compliance with the Australian EMC
Framework Regulations under the terms of the
Radio communications Act of 1992.
This symbol indicates that the power line switch
is ON.
This symbol indicates that the power line switch
is OFF or in STANDBY position.
Before Applying Power
6 Keysight 87421/2A Power Supply Operating an
Verify that the product is configured to match the available
main power source as described in the input power
configuration instructions in this manual. If this product is to
be powered by autotransformer, make sure the common
terminal is connected to neutral (grounded) side of the ac
power supply.
d
Declaration of Conformity
A copy of the Manufacturer’s Declaration of Comformity for
this instrument can be obtained by contacting your local
Keysight Technologies sales representative.
Keysigh
t 87421/2A Power Supply Operating and Service Manual
7
8 Keysight 87421/2A Power Supply Operating an
d
Contents
1 Introduction 11
Product Overview 12
87421A Power Supply 12
87422A Power Supply 13
2 Specifications 15
Product Specifications 16
Physical Specifications 17
Environment Specifications 19
3 Operating and Service 21
Oper
ating and Service 22
Keysight 87421/2A Power Supply Operating and Service Manual 9
Conten
ts
10 Keysight 87421/2A Power Supply Operating and Servic
e Manual
Keysight 87421/2A Power Supply
Operating and Service Manual
1
Introduction
Product Overview 12
“87421A Power Supply” on page 12
“87422A Power Supply” on page 13
This chapter provides you the overview of Keysight 87421A
and 87422A power supply.
1 Introduction
Product Overview
The 87421A and 87422A power supplies are universal input, dc
switching power supplies designed to provide the bias voltages
needed to operate microwave system amplifiers.
Figure 1 87421A and 87422A Power Supply
87421A Power Supply
The 87421A is a 25watt, ±12Vdc power supply designed to
power the 83006A, 83017A, and 87415A microwave system
amplifiers.
• The power supply includes an AC power cord with
protective ground for connection to 100- 240Vac.
• Also included is a 2 meter cable with a 3- pin connector on
one end and a D- subminiature connector (83006- 60005)
on the other end for direct connection to the microwave
system amplifiers.
The 87421A may also be used to provide bias voltages for the
83440C high speed lightwave converter. Using the 83440- 60009
lightwave converter power supply adapter, the 87421A becomes
a compact convenient power supply for use with the lightwave
converter.
12 Keysight 87421/2A Power Supply Operating and Servic
e Manual
87422A Power Supply
The 87422A is a 90watt, ±15Vdc power supply designed to
power the 83020A microwave system power amplifier. One
additional ±12V dc output is provided to power a preamplifier
such as the 83006A or 83017A.
The power supply includes an AC power cord with protective
ground for connection to 100- 240Vac and two 2 meter cables:
• one cable (83006- 60005) with a 3- pin connector on one
end and a D- subminiature connector on the other end
• one cable (87422- 60001) for direct connection to the
83020A amplifier
Introduction 1
Keysight 87421/2A Power Supply Operating and Service Manual 13
1 Introduction
14 Keysight 87421/2A Power Supply Operating and Servic
e Manual
Keysight 87421/2A Power Supply
Operating and Service Manual
2
Specifications
Product Specifications 16
Physical Specifications 17
Environment Specifications 19
This chapter provides you the specifications of Keysight
87421A and 87422A power supply.
2 Specification
s
Product Specifications
Model Number 87421A 87422A
Output voltage/current +12V at 2A
-12V at 200mA
Output power 25W 90W
Line regulation 0.1% 0.1%
Load regulation
(20 % to full load)
Output ripple 25mV RMS max 25mV RMS max
Output noise 2% peak to peak max 2% peak to peak max
Overvoltage limit protected Yes Yes
Short circuit protection Current limited for
AC input voltage 100 - 240Vac, 50/60Hz 100 - 240Vac, 50/60Hz
2.0% 1.0%
overload and short
circuit protection.
Normal operation
returns upon removal of
overload.
+15V at 4A
-15V at 20mA
+12V at 2A
-12V at 200mA
Current limited for
overload and short
circuit protection.
Normal operation
returns upon removal of
overload.
16 Keysight 87421/2A Power Supply Operating and Servic
Fuse 1A, slow blow T 3.15A
e Manual
Physical Specifications
(
)
(
)
(79)
Model Number 87421A 87422A
Specification
s
2
Tol = 0.2 (0.008
±
163.1
175.8
(6.42)
(6.92)
)
148.6
(5.85)
57.2
(2.25)
Mechanical Dimensions
igure 2
F
igure 3
F
Weight 0.9kg (2.0lb) 2.1kg (4.6lb)
Shipping Weight 1.8kg (4.0lb) 3.2kg (7.0lb)
Dimensions in milimeters (inches)
14.5
(0.57)
DC
Output
Pin No.1
Pin No.1
Keysight 87421/2A Power Supply Operating and Service Manual 17
57.2
2.25
Fuse
5.0
(0.197)
63.5
(2.50)
25.4
(1.00)
83006-60005
2000
Figure 2 Mechanical Dimension of 87421A
AC
Input
114.3
4.50
2 Specification
(
)
(
)
(79)
(79)
s
3.3
R typ
(.13)
12.0
(.47)
6.5
(0.26)
Pin No.1
Pin No.1
274.0
(10.9)
254.0
(10.0)
Top P ane l
Dimensions in milimeters (inches
166.0
(6.5)
202.0
8.0
21.8
(.86)
87422-60001
Note: 18 gauge wire minimum
2000
83006-60005
8742 2A
POWER SUPPLY
)
85.5
3.4
2000
Figure 3 Mechanical Dimension of 87422A
18 Keysight 87421/2A Power Supply Operating and Servic
e Manual
Environment Specifications
Specification
s
2
Keysight Model Number
Temperature
• Operating 0°C to 55°C
• Storage -40°C to 70°C
Humidity
• Operating 15% to 95% RH at 40°C
• Non Operating Supersoak 90% RH at 65°C for 24 hours
• Condensation After stabilizing at 50% RH/25°C, product shall be subjected to 95% RH at 40°C.
Shock
• End Use Handling Shock Half-sine shock, < 3ms duration, 155in/s ΔV, minimum 3 shocks each face
• Transportation Shock (Type 1) Trapezoid shock, 30g accelaration, 292in/s ΔV, minimum 3 shocks each face
Vibration
• Operating Random: 0.0001 /hz for 5Hz to 350Hz, -6dB/octave for 350Hz to 500Hz,
• Survival Random: 0.015 /Hz from 5Hz to 100 Hz, -6dB/octave from 100Hz to 137Hz,
87421A and 87422A
Product shall suffer no damage and operate within specifications within 15min.
2
g
minimum 10min/axis for all 3 axes
2
2
g
0.008 /Hz from 137Hz to 350Hz, -6dB/octave from 350Hz to 500Hz,
minimum 10min/axis for all 3 axes
g
Altitude
• Operating 4,600m
• Storage 15,300m
ESD immunity
• Direct Discharge 4kV
• Air Discharge 8kV
Keysight 87421/2A Power Supply Operating and Service Manual 19
Swept Sine: Resonant seach from 5Hz to 500Hz, 1octave/min sweep rate, 5min
resonant dwell at 4 resonances/axis
2 Specification
s
20 Keysight 87421/2A Power Supply Operating and Servic
e Manual
Keysight 87421/2A Power Supply
Operating and Service Manual
3
Operating and Service
Operating and Service 22
This chapter provides you the operating instructions and
service information.
3 Operating and Service
Operating and Service
Operating Instructions
To operate the power supplies, connect the power supplies
output to the amplifier dc input with the cable provided. The
power supplies include a power cord with protective ground for
connection to 100- 240Vac.
Mounting holes are provided as shown in the diagrams
(Figure 2 and Figure 3). The power supplies may be mounted in
any orientation with user supplied hardware.
NOTE
• To ensure continued compliance to product safety and EMC specifications,
connect the power supplies to an amplifier only with the cable provided.
•
Do not attempt to modify or extend the dc output cable. Contact your local
Keysight Technologies Sales and Service office for help with special applications
requiring longer
Fuse Replacement
The power supplies have a fuse located next to the IEC
appliance inlet. If it is necessary to replace the fuse, disconnect
the power supply from both AC power and the amplifier. Using
a slotted screw driver, open the fuse cover and replace the fuse.
cables.
22 Keysight 87421/2A Power Supply Operating and Service Manual
Service Information
The power supplies contain no user serviceable parts (with the
exception of the fuse). If s
nearest Keysight Technologies Service Center. Refer to
“Contacting Keysight” on page 4.
ervice is required, contact your
Available Instruments and Accessories
• 83006A microwave system amplifier 0.01- 26.5GHz
• 83017A microwave system amplifier 0.5- 26.5GHz
• 83018A microwave system amplifier 2- 26.5GHz
• 83020A microwave system power amplifier 2- 26.5GHz
• 87415A microwave system amplifier 2- 8GHz
• 87405C microwave system pre- amplifier 0.1- 18GHz
Operating and Service 3
• 83440- 60009 lightwave converter power supply adapter
Keysight 87421/2A Power Supply Operating and Service Manual 23
3 Operating and Service
24 Keysight 87421/2A Power Supply Operating and Servic
e Manual
This information is subject to change without notice.
© Keysight Technologies 1992 - 2014
Edition 4, August 2014
*87421-90001*
87421-90001
www.keysight.com
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