Inspection; Accessories - Keithley 775A Instruction Manual

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INI
The
CAUTION
used
in this
manual
explains hazards
that
could
damage
the
instrument.
1,6
INSPECTION
The Model
775
was
inspected both mechanically
and
elec*
thcaliy
before shipment. After
unpacking
all
the items from
the
shipping
carton,
check
for
any obvious
signs of
physical
damage
that
may
have occurred during
transit,
Report any
damage
to
the
shipping
agent. Retain
and
use
the
original
packing materials
in
case resbipment
is
necessary,
The following items
are
shipped with every
Model
775.
Model
775
Programmable Counter/Timer
Model
775
Instruction
Marmal
Additional accessories
as ordered.
If
an additional instruction
Manual
is
required, order the
manual
package (Keithiey part
number
775-901*00),
The
manual
package includes
an
instruction
manual and any
applicable addenda.
ivlodei
1019S Slide
Rack
Mount— The Model
1019S
is
a
sliding rack
mount
kit
that
allows the
Mode!
775
to
be rack
mounted
with the
added
feature of sliding the instrument
forward
for
easy access
to
the
rear
panel
and
top cover.
Model
70(?7
IEEE-488 Shielded
Cables-The Model
7007
connects
the
Model
775
to
the IEEE-488
bu-s
using shield-
ed
cables
to
reduce electromagnetic
interference (EMI),
The
Model
7007-1
is
one meter
in
length
and
has
an.
EMI
shield-
ed IEEE-488 connecdOT
at
each end.
The Model
7007-2
is
identical
to
the
Model
7007-1,
bur
is
two
meters
in
length.
Mode!
7008
IEEE488
Cables-Tlie
Model
7008 connects the
Model
775
to
the
IEEE-488
bus.
The Model
7008-3
Is
0,9m
(3 ft.)
in
length
and
has
a
standard IEEE-488 connector
at
each end.
The Model
7008-6
cable
is
identical to the
Mode!
7008-3,
but
is
1.8m
(6 ft.)
in length.
Model
7051
B?4C
to
BMC
Cable— Tne Model
7051
is
1,5m
(5 ft.)
in
length
and
is
terminated
on
each
end with
a
BNC
plug.
Model
7751
IGHz
Channel
C Option— The Model
7751
is
a
factor)'-msta!led
option which provides
a third
channel
(C) for
measuring frequencies
between
50MHz
and IGHz,
UOii
MODEL
*
Section 1 contains
general information about
the
instrument.
« Section 2 contains detailed
operating information
on
us-
ing the front
panel
corxtrols
and
rear
panel terminals.
®
Section 3 contains information necessary
to
operate the
Model
775 over the IEEE-488
bus.
*
Sectior'i
4 contains
performance
verification
procedures
tor
the instrument. This information
is
helpful
if
you
'
wish
to
verify that the
instrument
is
operating
in
com-
pliance
with
stated specifications,
Section
3
contains
a
description of operating theory,
*
Section 6 contains information
for
servicing the
Instru-
ment
,
This
section
includes information
on
line
voltage
selection,
fuse replacement,
adjustments and
troubleshooting.
»
Section 7 contains replacement parts information,
Model
7752
TCXO—
High
Stability Crystal Oscillator
Option-T'he
Model 7752
is
a factory-installed
TCXO-high
stability crystal oscillator that offers
improvement
over the
standard time
base, relative to
aging
and temperature
Model
7754-3
BNC
to Alligator
Cable—The Model
7754-3
IS
0,9m
(T3
rVj in
length
and
is
terminated
on one end
with
a
BNC
plug
and on
the other with two
alligator
dips.
Mode!
7755
.5QQ
Feedthrough Termination— Tne Mode! 7755
IS
a
BNC
to
BNC
adapter
for
terminating
RG
58 cable
in
its
characteristic
impedance.
VSWR
<1,1,
DC
-250MH/..
8NC
BNC
PLUG
JACK
The
following optional accessories are available to
enhance
the
Model
775
capabilities.
Model
1019A
Pb®d
Rack
Mount—
The
Model
1019A
is
a sta-
tionary rack
mount
kit
that allows the
Model
775
to
be
mounted
in a
standard 19 inch
rack.