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HP 8481A - Accessories and Test Equipment; Supplied Accessories; Recommended Test Equipment

HP 8481A
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08481-90049
HP
8481A/82A/83A
A
precision
7
mna
RF
connector
(APC-7)
is
substituted
for
the
type-N
connector.
Option
001
(HP
8481A
Only)
Tbe
HP
8483A
is
supplied
with
an
adapter
(HP
1250-0597,
shown
in
figure
1)
for
joining
the
Power
Sensor’s
75fi
type
N
connector
to
the
50f2
power
reference
connector
on
the
power
meter.
This
accessory
is
a
mechanical
adapter
only,
not
an
impedance
transformer.
Therefore,
an
impedance
mismatch
exists
that
must
be
taken
into
consideration
when
calibrating
the
power
meter
and
power
sensor.
The
REF
CAL
FACTOR,
on
the
power
sensor
label,
has
been
adjusted
for
the
impedance
mismatch.
This
REF
CAL
FACTOR,
when
used
to
calibrate
any
HP
power
meter,
wiU
allow
calibration
to
1.000
mW.
The
CAL
FACTOR,
from
the
data
on
the
power
sensor
label,
should
be
used
for
any
power
measurements
in
a
75Q
system
at
50
MHz.
Accessories
Supplied
Remove
mechanical
adapter
from
the
Power
Sensor
before
connecting
the
sensor
to
a
750
source.
Caution
«
Figure
1.
Mechanical
Adapter
(HP
8483A
Only)
Table
3
lists
the
test
equipment
recommended
to
check,
adjust,
and
troubleshoot
the
Power
Sensor.
If
substitute
equipment
is
used,
it
must
meet
or
exceed
the
critical
specifications.
Recommended
Test
Equipment
2

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