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Model 4277A
SECTION I
1-19.
In addition
to
change
information,
the
supplement
may
contain
information
for
correcting errors (called Errata) 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 manual is
identified with this manual's print
date
and part
number, both of which appear
on
the manual's
title
page.
Complimentary
copies
of
the
supplement
are
available
from
Hewlett-
Packard.
If the serial prefix or number of an
instrument is lower than that on the title page of
this manual, see Section VII, Manual Changes.
1-20.
For
information
concerning
a
serial
number prefix that is not listed on the title page
or in
the Manual Change supplement, contact the
nearest Hewlett-Packard office.
Figure 1-2. Serial Number Plate.
1-21.
OPTIONS
1-22.
Options are modifications to the standard
instrument
that
implement
the
user's
special
requirements for minor functiohal changes. The
4277A has two options:
Option 001 :
Internal DC Bias Supply
(0 ™ ±40V)
Option 002 :
Comparator/Handler Interface
1-23.
OPTION 001
1-24.
Option
001
equips
the
standard
4277A
with a built-in dc voltage source for biasing the
device
under
test.
Output
voltage
is
user-selectable from 0 to ±40V with lOmV (OV to
±9.99V range) or lOOmV (±10V to ±40V range)
setting resolution,
and can
be keyed
in directly
from the front panel or remotely programmed
via the HP-IB. Maximum display resolution is 3
digits.
1-25. OPTION 002
1-26. Option 002 equips the standard 4277A
with the 16064A Comparator/Handler Interface
for go/no-go testing and automatic bin sorting.
Up to nine sets of HIGH/LOW limits for one
DISPLAY A function (L,
C,
or !
Z I
) and one
set
of
HIGH/LOW
limits
for
one
DISPLAY
B
function (D,
Q,
ESR, or G) can be manually
keyed in from the 16064A, or entered from a
remote controller via the HP-IB.
Comparison
results—HIGH, IN, or LOW~for each measure¬
ment parameter are indicated by LED lamps on
the
16064A and by open collector (TTL level
voltages)
output
from
the
handler
interface
connector.
HIGH: Measured
value
exceeds
the
HIGH
limit.
IN ;
Measured value is within the HIGH and
LOW limits, inclusive.
LOW :
Measured value is lower than the LOW
limit.
1-27.
OTHER OPTIONS
1-28.
The
following
options
provide
the
mechanical parts necessary for rack mounting
and hand carrying;
Option 907 :
Front
Handle
Kit.
Furnishes
carrying handles for both ends
of the front-panel.
Option 908 :
Rack
Flange
Kit.
Furnishes
flanges for rack mounting.
Option 909 ;
Rack Flange and Front Handle
Kit.
Furnishes
front
handles
(Opt. 907)
and
rack
flanges
(Opt. 908).
Installation instructions for
these options are
given in Section 11.
1-29.
Option 910 adds an extra copy of the
Operation and Service Manual.
1-3
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