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Model 11713A
General Information
SECTIOIM I
GENERAL INFORMATION
INTRODUCTION
This operating and service manual contains inform¬
ation required to install, operate, test, and service
the Hewlett-Packard 11713A. The Hewlett-Packard
11713A Attenuator/Switch Driver is designed to
drive electromagnetic solenoid operated coaxial at¬
tenuators and RF coaxial switches. The 11713A
will be referred to as the Driver throughout this
manual. The Driver is an HP-IB* compatible instru¬
ment that provides the current needed to control
step attenuators or coaxial switches. Figure 1-1
shows the Driver and all supplied accessories.
Listed on the title page of this manual (below the
manual part number) is a Microfiche part number.
This number-can' he used to' order lO'x T5 Ohi (4"
X 6 inch) microfilm transparencies of the manual.
Each microfiche contains up to 96 photo-duplicates
of the manual pages. The microfiche package also
includes the latest Manual Changes supplement as
"weli as pertinehf Bemce Notes!
——
SPECIFICATIONS
Instrument specifications are listed in Table 1-1.
These specifications are the performance standards
or limits against which the instrument is tested.
Supplemental Characteristics listed in Table 1-2 are
not warranted specifications but included as addi¬
tional information for the user.
SAFETY CONSIDERATIONS
The Driver is a Safety Class I instrument (pro¬
vided with a protective earth terminal). This instru¬
ment and all related documenation must be re¬
viewed for familiarization with safety markings and
instructions before operation. A safety considera¬
tions sheet is found at the beginning of this manual.
Safety information pertinent to the task at hand
(installation, operation, performance testing, or
service) is found throughout this manual.
INSTRUMENTS COVERED BY MANUAL
Attached to the instrument is aseriai number plate.
The serial number is in the form: OOOOAOOOOO. It
•Hewlett-Packard Interface Bus is the Hewlett-Packard implementa¬
tion of the IEEE Std. 488.
is in two parts: the first four digits and the letter
are the serial prefix and the last five digits are the
suffix. The prefix is the same for all identical in¬
struments; it changes only when a change is made
to the instrument. The suffix, however, is assigned
sequentially and is different for each instrument.
The contents of this manual apply to instruments
with the serial number prefix(es) listed under
SERIAL NUMBERS on the title page.
An instrument manufactured after the printing of
this
manual may have a serial number prefix
that
is
not listed on the title
page. This
unlisted serial
number prefix indicates the instrument is different
from thos_e^described in.this manual. The manual
for this newer instrument is accompanied by a yel-
4ew-Menu al'-Glmn-geS'^-p-p-l-ern-en-t-.'-T h-i:9--s-u.-pp-l-eme n t
contains "change information" that explains how
to adapt the manual to the newer instrument.
In addition to change information, the supplement
may contain information for correcting errors in
the manual. To keep this manual as current and
accurate as possible, Hewlett-Packard recommends
that you periodically request the latest Manual
Changes supplement. The supplement for this man¬
ual is identified with the manual print date and
part number, both of which appear on the m^mual
title page. Complimentary copies of the supple¬
ment are available
from Hewlett-Packard.
For information concerning a serial number prefix
that is not listed on the title page or in the Manual
Changes supplement, contact your nearest Hewlett-
Packard office.
DESCRIPTION
The Hewlett-Packard 11713A Attenuator/Switch
Driver is an HP-IB compatible instrument designed
to provide control of up to two four-section pro¬
grammable step attenuators and two, microwave
coaxial switches. Control is easily accomplished
manually from front panel pushbuttons or auto¬
matically over the Hewlett-Packard Interface Bus.
Programming via the HP-IB can be accomplished in
simple one line statements. The Driver features
1-1
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