Helwett Packard 83482A User manual
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User’s Guide
HP 83482A Optical/Electrical
Plug-In Module
2
© Copyright Hewlett-Packard
Company 1999
All Rights Reserved. Repro-
duction, adaptation, or trans-
lation without prior written
permission is prohibited,
except as allowed under copy-
right laws.
HP Part No. 83482-90004
Printed in USA
July 1999
Hewlett-Packard Company
Lightwave Operations
1400 Fountaingrove Parkway
Santa Rosa, CA 95403-1799,
USA
(707) 577-1400
Notice.
The information contained in
this document is subject to
change without notice. Com-
panies, names, and data used
in examples herein are ficti-
tious unless otherwise noted.
Hewlett-Packard makes no
warranty of any kind with
regard to this material, includ-
ing but not limited to, the
implied warranties of mer-
chantability and fitness for a
particular purpose. Hewlett-
Packard shall not be liable for
errors contained herein or for
incidental or consequential
damages in connection with
the furnishing, performance,
or use of this material.
Restricted Rights Legend.
Use, duplication, or disclo-
sure by the U.S. Government
is subject to restrictions as set
forth in subparagraph (c) (1)
(ii) of the Rights in Technical
Data and Computer Software
clause at DFARS 252.227-7013
for DOD agencies, and sub-
paragraphs (c) (1) and (c) (2)
of the Commercial Computer
Software Restricted Rights
clause at FAR 52.227-19 for
other agencies.
Warranty.
This Hewlett-Packard instru-
ment product is warranted
against defects in material and
workmanship for a period of
one year from date of ship-
ment. During the warranty
period, Hewlett-Packard Com-
pany 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 desig-
nated by Hewlett-Packard.
Buyer shall prepay shipping
charges to Hewlett-Packard
and Hewlett-Packard shall pay
shipping charges to return the
product to Buyer. However,
Buyer shall pay all shipping
charges, duties, and taxes for
products returned to Hewlett-
Packard from another coun-
try.
Hewlett-Packard warrants
that its software and firmware
designated by Hewlett-Pack-
ard for use with an instrument
will execute its programming
instructions when properly
installed on that instrument.
Hewlett-Packard does not
warrant that the operation of
the instrument, or software,
or firmware will be uninter-
rupted or error-free.
Limitation of Warranty.
The foregoing warranty shall
not apply to defects resulting
from improper or inadequate
maintenance by Buyer, Buyer-
supplied software or interfac-
ing, unauthorized modifica-
tion or misuse, operation
outside of the environmental
specifications for the product,
or improper site preparation
or maintenance.
No other warranty is
expressed or implied.
Hewlett-Packard specifically
disclaims the implied warran-
ties of merchantability and fit-
ness for a particular purpose.
Exclusive Remedies.
The remedies provided herein
are buyer's sole and exclusive
remedies. Hewlett-Packard
shall not be liable for any
direct, indirect, special, inci-
dental, or consequential dam-
ages, whether based on
contract, tort, or any other
legal theory.
Safety Symbols.
CAUTION
The caution sign denotes a
hazard. It calls attention to a
procedure which, if not cor-
rectly performed or adhered
to, could result in damage to
or destruction of the product.
Do not proceed beyond a cau-
tion sign until the indicated
conditions are fully under-
stood and met.
WARNING
The warning sign denotes a
hazard. It calls attention to a
procedure which, if not cor-
rectly performed or adhered
to, could result in injury or
loss of life. Do not proceed
beyond a warning sign until
the indicated conditions are
fully understood and met.
The instruction man-
ual symbol. The prod-
uct is marked with this
warning symbol when it is
necessary for the user to refer
to the instructions in the man-
ual.
The laser radiation
symbol. This warning
symbol is marked on
products which have a laser
output.
The AC symbol is
used to indicate the
required nature of the
line module input power.
|The ON symbols are
used to mark the posi-
tions of the instrument
power line switch.
❍The OFF symbols
are used to mark the
positions of the instrument
power line switch.
The CE mark is a reg-
istered trademark of
the European Commu-
nity.
The CSA mark is a reg-
istered trademark of
the Canadian Stan-
dards Association.
ISM1-A This text denotes that
the instrument is an Industrial
Scientific and Medical Group 1
Class A product.
Typographical Conven-
tions.
The following conventions are
used in this book:
key type for keys or text
located on the keyboard or
instrument.
softkey type for key names that
are displayed on the instru-
ment’s screen.
display type for words or
characters displayed on the
computer’s screen or instru-
ment’s display.
user type for words or charac-
ters that you type or enter.
emphasis type for words or
characters that emphasize
some point or that are used as
place holders for text that you
type.
-3
General Safety Considerations
General Safety Considerations
This product has been designed and tested in accordance with IEC Publica-
tion 1010, Safety Requirements for Electronic Measuring Apparatus, and has
been supplied in a safe condition. The instruction documentation contains
information and warnings which must be followed by the user to ensure safe
operation and to maintain the product in a safe condition.
WARNING There are many points in the instrument which can, if contacted, cause
personal injury. Be extremely careful. Any adjustments or service
procedures that require operation of the instrument with protective
covers removed should be performed only by trained service
personnel.
WARNING If this instrument is not used as specified, the protection provided by
the equipment could be impaired. This instrument must be used in a
normal condition (in which all means for protection are intact) only.
WARNING There are many points in the system which can, if contacted, cause
personal injury. Be extremely careful. Any adjustments or service
procedures that require operation of the system with protective
covers removed should be performed only by Hewlett-Packard
personnel.
WARNING NO OPERATOR SERVICEABLE PARTS INSIDE. Refer servicing to
qualified Hewlett-Packard personnel. To prevent electrical shock, do
not remove covers.
CAUTION Before this instrument is switched on, make sure its primary power circuitry
has been adapted to the voltage of the ac power source. Failure to set the ac
power input to the correct voltage could cause damage to the instrument when
the ac power cable is plugged in.
CAUTION Electrostatic discharge (ESD) on or near input connectors can damage circuits
inside the instrument. Repair of damage due to misuse is not covered under
warranty. Before connecting any cable to the electrical input, momentarily
short the center and outer conductors of the cable together. Personnel should
be properly grounded, and should touch the frame of the instrument before
touching any connector.
-4
Measurement Accuracy
Measurement Accuracy
CAUTION The HP 83482A optical/electrical plug-in module’s input circuitry can be
damaged when the total input power levels exceed +18 dBm on the optical
channel or 10 dBm on the electrical channel. To prevent input damage, this
specified level must not be exceeded.
Measurement accuracy—it’s up to you!
Fiber-optic connectors are easily damaged when connected to dirty or damaged cables
and accessories. The HP 83482A optical/electrical plug-in module’s front-panel INPUT
connector is no exception. When you use improper cleaning and handling techniques,
you risk expensive instrument repairs, damaged cables, and compromised measure-
ments.
Before you connect any fiber-optic cable to the HP 83482A optical/electrical plug-in
module, “Cleaning Connections for Accurate Measurements” on page 5-7.
Contents
Contents-1
1Getting Started
Step 1. Inspect the Shipment 1-3
Step 2. Install the Plug-in Module 1-4
Returning the Instrument for Service 1-5
2Channel Setup Menu
The HP 83482A Optical/Electrical Plug-In Module 2-2
Options and Accessories 2-3
The HP 83482A Optical/Electrical Plug-In Module 2-4
Menu and Key Conventions 2-9
Channel Setup Menu 2-10
Displaying the Channel Setup Menus 2-13
3Calibration Overview
Factory Calibrations 3-4
User Calibrations—Optical and Electrical 3-7
Complete Calibration Summary 3-19
4Specifications and Regulatory Information
Specifications 4-3
Characteristics 4-7
Declaration of Conformity 4-9
5Reference
In Case of Difficulty 5-2
Error Messages 5-5
Cleaning Connections for Accurate Measurements 5-7
Hewlett-Packard Sales and Service Offices 5-15
Contents-2
Contents
1-2
Getting Started
Getting Started
Getting Started
The instructions in this chapter show you how to install your HP 83482A opti-
cal/electrical plug-in module.
Refer to Chapter 2, “Channel Setup Menu” for information on operating the
plug-in module.
Refer to Chapter 3, “Calibration Overview” for calibration information.
Refer to Chapter 4, “Specifications and Regulatory Information” for informa-
tion on operating conditions such as temperature.
For HP-IB programming information, refer to the HP 83480A, 54750A Pro-
grammer’s Guide supplied with the mainframe. For service information, refer
to the optional HP 83482A Service Guide.
CAUTION This product is designed for use in INSTALLATION CATEGORY II and
POLLUTION DEGREE 2, per IEC 1010 and 664 respectively.
CAUTION The input circuits can be damaged by electrostatic discharge (ESD).
Therefore, avoid applying static discharges to the front-panel input connectors.
Before connecting any coaxial cable to the connectors, momentarily short the
center and outer conductors of the cable together. Avoid touching the front-
panel input connectors without first touching the frame of the instrument. Be
sure that the instrument is properly earth-grounded to prevent buildup of
static charge.
1-3
Getting Started
Step 1. Inspect the Shipment
Step 1. Inspect the Shipment
1Verify that all system components ordered have arrived by comparing the
shipping forms to the original purchase order. Inspect all shipping containers.
The shipment includes:
• HP 83482A optical/electrical plug-in module with the ordered options
and adapters.
• APC 3.5 (f-f) adapter, HP part number 1250-1749.
• APC 2.4 (f-f) adapter, HP 11900B
•SMA50
Ωtermination, HP part number 1810-0118, 1 each
• 2.4 mm connector shipping cap, HP part number 54124-24101, 1 each
If your shipment is damaged or incomplete, save the packing materials and
notify both the shipping carrier and the nearest Hewlett-Packard sales and
Service office. HP will arrange for repair or replacement of damaged or
incomplete shipments without waiting for a settlement from the
transportation company. Notify the HP customer engineer of any problems.
2Make sure that the serial number and options listed on the instrument’s rear-
panel label match the serial number and options listed on the shipping
document. The following figure is an example of the rear-panel serial number
label:
1-4
Getting Started
Step 2. Install the Plug-in Module
Step 2. Install the Plug-in Module
You do not need to turn off the mainframe to install or remove the plug-in
modules.
If you wish to use the HP 83482A optical/electrical plug-in module in an
HP 54750A digitizing oscilloscope, a firmware upgrade must first be installed.
Order the HP 83480K communications firmware kit and follow the installation
instructions.
The plug-in module can be installed in slots 1 and 2 or 3 and 4 on the
HP 83480A, 54750A mainframe. The plug-in module will not function if it is
installed in slots 2 and 3.
To make sure the analyzer meets all of the published specifications, there
must be a good ground connection from the plug-in module to the mainframe.
The RF connectors on the rear of the plug-in module are spring loaded, so fin-
ger-tighten the knurled screw on the front panel of the plug-in module to
make sure the plug-in is securely seated in the mainframe.
CAUTION Do not use extender cables to operate the plug-in module outside of the
mainframe. The plug-in module using extender cables can be damaged by
improper grounding when using extender cables.
Note
The HP 83482A optical/electrical plug-in module requires firmware revision 5.0 or
higher.
1-5
Getting Started
Returning the Instrument for Service
Returning the Instrument for Service
The instructions in this section show you how to properly package the instru-
ment for return to a Hewlett-Packard service office. For a list of offices, refer
to “Hewlett-Packard Sales and Service Offices” on page 5-15.
If the instrument is still under warranty or is covered by an HP maintenance
contract, it will be repaired under the terms of the warranty or contract (the
warranty is at the front of this manual). If the instrument is no longer under
warranty or is not covered by an HP maintenance plan, Hewlett-Packard will
notify you of the cost of the repair after examining the unit.
When an instrument is returned to a Hewlett-Packard service office for servic-
ing, it must be adequately packaged and have a complete description of the
failure symptoms attached.
When describing the failure, please be as specific as possible about the nature
of the problem. Include copies of additional failure information (such as
instrument failure settings, data related to instrument failure, and error mes-
sages) along with the instrument being returned.
Please notify the service office before returning your instrument for service.
Any special arrangements for the instrument can be discussed at this time.
This will help the HP service office repair and return your instrument as
quickly as possible.
1-6
Getting Started
Returning the Instrument for Service
Preparing the instrument for shipping
1Write a complete description of the failure and attach it to the instrument.
Include any specific performance details related to the problem. The following
information should be returned with the instrument.
• Type of service required.
• Date instrument was returned for repair.
• Description of the problem:
• Whether problem is constant or intermittent.
• Whether instrument is temperature-sensitive.
• Whether instrument is vibration-sensitive.
• Instrument settings required to reproduce the problem.
•Errorcodes.
• Performance data.
• Company name and return address.
• Name and phone number of technical contact person.
• Model number of returned instrument.
• Full serial number of returned instrument.
• List of any accessories returned with instrument.
2Cover all front or rear-panel connectors that were originally covered when you
first received the instrument.
CAUTION Cover electrical connectors to protect sensitive components from electrostatic
damage. Cover optical connectors to protect them from damage due to physical
contact or dust.
CAUTION Instrument damage can result from using packaging materials other than the
original materials. Never use styrene pellets as packaging material. They do not
adequately cushion the instrument or prevent it from shifting in the carton.
They may also cause instrument damage by generating static electricity.
3Pack the instrument in the original shipping containers. Original materials are
available through any Hewlett-Packard office. Or, use the following guidelines:
• Wrap the instrument in antistatic plastic to reduce the possibility of damage
caused by electrostatic discharge.
1-7
Getting Started
Returning the Instrument for Service
• For instruments weighing less than 54 kg (120 lb), use a double-walled, cor-
rugated cardboard carton of 159 kg (350 lb) test strength.
• The carton must be large enough to allow 3 to 4 inches on all sides of the
instrument for packing material, and strong enough to accommodate the
weight of the instrument.
• Surround the equipment with 3 to 4 inches of packing material, to protect
the instrument and prevent it from moving in the carton. If packing foam is
not available, the best alternative is S.D-240 Air Cap™ from Sealed Air Cor-
poration (Commerce, California 90001). Air Cap looks like a plastic sheet
filled with air bubbles. Use the pink (antistatic) Air Cap™ to reduce static
electricity. Wrapping the instrument several times in this material will pro-
tect the instrument and prevent it from moving in the carton.
4Seal the carton with strong nylon adhesive tape.
5Mark the carton “FRAGILE, HANDLE WITH CARE”.
6Retain copies of all shipping papers.
1-8
Getting Started
Returning the Instrument for Service
2-2
Channel Setup Menu
The HP 83482A Optical/Electrical Plug-In Module
The HP 83482A Optical/Electrical Plug-In
Module
The HP 83482A optical/electrical plug-in module incorporates a 30 GHz opti-
cal measurement channel and a 40 GHz electrical channel. The electrical
channel also has a reduced-bandwidth setting of 18 GHz for improved noise
performance.
The integrated optical channel reduces mismatch loss variation by eliminating
signal distorting cables and connectors associated with the use of external
receivers in order to accurately characterize optical waveforms. The optical
channel is calibrated at 1310 nm and 1550 nm to provide both accurate display
of the received optical waveform in optical power units and measurement of
the signal’s average power. In addition, the User Cal feature provides for con-
sistent accuracy at any wavelength between 1000 nm and 1600 nm using a
source and power meter.
The optical channel frequency response is designed to minimize distortion of
the displayed optical pulse. To achieve this performance the HP 83482A does
not include any provision for switching a SONET/SDH filter into the channel.
For applications requiring a switched SONET/SDH filter, an HP 83485A or
83485B plug-in module should be used.
The electrical measurement channel may be used to perform measurements
on tributary electrical signals, to evaluate receiver performance in transceiver
testing, for measurements with HP’s wide range of external optical receivers,
or for general purpose measurements.
The HP 83482A optical/electrical plug-in module provides:
• 30 GHz optical channel
• 18 GHz and 40 GHz electrical channel
• Trigger channel input to the mainframe
2-3
Channel Setup Menu
Options and Accessories
Options and Accessories
HP 83482 options Option 001 Latest operating system firmware for the HP 83480A mainframe
Option 002 Latest operating system firmware for the HP 54750A mainframe
Option UK6 Calibration certificate with data
Optical connector
interface options
Option 011 Diamond HMS-10/HP
Option 012 FC/PC
Option 013 DIN 47256
Option 014 ST
Option 015 Biconic
Option 017 SC
Optional
accessories
HP 54006A 6 GHz divider probe
HP 54008A 22 ns delay line
HP 54118A 500 MHz to 18 GHz trigger
HP 10086A ECL terminator
Connection
devices
HP 81000AI Diamond HMS-10/HP connector interface
HP 81000FI FC/PC/SPC/APC connector interface
HP 81000KI SC connector interface
HP 81000SI DIN 47256/4108.6 connector interface
HP 81000VI ST connector interface
HP 81000WI Biconic
HP 11900B 2.4 (f-f) adapter
HP 11901B SMA 3.5/2.4 (f-f) adapter
SMA (f-f) adapter, HP part number 1250-1158
APC 3.5 (f-f) adapter, HP part number 1250-1749
2-4
Channel Setup Menu
The HP 83482A Optical/Electrical Plug-In Module
The HP 83482A Optical/Electrical Plug-In
Module
The HP 83482A optical/electrical plug-in modules is one of several plug-in
modules available for the HP 83480A, 54750A mainframes. The main features
of the HP 83482A are:
• Integrated, calibrated optical channel.
• Electrical measurement channel.
• 2.5 GHz trigger channel.
• 30 GHz optical channel bandwidth and user selectable 18 or 40 GHz electrical
channel bandwidth.
• 2.4 mm (m) connectors on the electrical measurement channel and 3.5 mm
(m) on the trigger channel.
• One probe power connector.
• One auxiliary power connector.
• Optical channel has an HP universal adapter for 9/125 µm single-mode fiber
input.
The purpose of the plug-in module is to provide measurement channels,
including sampling, for the mainframe. The plug-in module scales the input
signal, sets the bandwidth of the system, and allows the offset to be adjusted
so the signal can be viewed. The output of the plug-in module is an analog sig-
nal that is applied to the ADCs on the acquisition boards inside the mainframe.
The plug-in module also provides a trigger signal input to the time base/trigger
board inside the mainframe.
NOTE
If you wish to use the HP 83482A optical plug-in module in an HP 54750A digitizing oscil-
loscope, a firmware upgrade must first be installed. Order the HP 83480K communica-
tions firmware kit and follow the installation instructions.
2-5
Channel Setup Menu
The HP 83482A Optical/Electrical Plug-In Module
Front panel of the plug-in module
The plug-in module takes up two of the four mainframe slots. The optical
channel provides calibrated measurement of optical waveforms in power
units. Bandwidths are selectable on both channels to optimize sensitivity and
bandwidth.
The front panel of the plug-in module has two channel inputs and an external
trigger input. The front panel also has a Probe Power connector for HP 54700-
series probes, an Aux Power connector for general purpose use, and a key for
each channel that displays the softkey menu. The softkey menu allows you to
access the channel setup features of the plug-in module.
The front-power Probe Power connector allows automatic channel scaling and
probe calibration with HP 54700 series probes. The front-panel Aux Power con-
nector provides only power to HP 54700 series probes for use as a trigger
input. Probe calibration and scaling are not required for a trigger input.
Front panel of the plug-in module.
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