Purp
ose
This
test
calibrates
receiv
er
INPUT
1
of
the
EMI
receiv
er
system.
Description
Tw
o
calibration
routines
are
p erformed
during
\Receiv
er
Calibration
INPUT
1 ".
The
settings
used
during
eac
h
of
these
t
w
o
calibration
routines
are
sho
wn
in
the
tables
on
the
following
pages.
Receiv
er
Calibration
INPUT
1
consists
of
t
w
o
setups.
The
rst
setup
calibrates
the
sp ectrum
analyzer
with
the
RF
preselector
in
b
ypass
mo
de.
Recall-9
calibrates
the
sp ectrum
analyzer's
cen
ter
frequency
for
narrow
resolution
bandwidths
of
10
Hz
through
1
kHz.
In
the
second
setup,
receiv
er
INPUT
1
is
calibrated
at
predetermined
p oints
for
amplitude
accuracy
using
the
com
b
generator
output.
These
p oints
are
c
hosen
b
y
the
in
ternal
calibration
sequence
(CAL
SEQ)
in
the
RF
preselector .
receiv
er
INPUT
1
is
calibrated
b et
w
een
9
kHz
and
50
MHz.
T
o
make
calibrated
measuremen
ts
with
the
EMI
receiv
er
system ,
CAL
SEQ
m
ust
b e
run
for
eac
h
set
of
EMI
receiv
er
system
settings.
This
test
runs
CAL
SEQ
at
the
settings
that
will
b e
used
in
subsequen
t
tests.
The
resulting
calibration
factors
are
stored
in
the
con
troller
memory
and
loaded
in
to
the
RF
preselector
when
they
are
needed.
T
est
Settings
Settings
for
Amplitude
Accy
.
INPUT
1
(10
dB
A
T
and
0
dB
A
T),
20
Hz-9
kHz
F
unction
Settings
(Man
ual)
RF
FREQ
20
Hz
to
9
kHz
RES
BW
10
Hz
RFPS
(atten)
0
dB
SA
(atten)
10
dB
or
0
dB
Scale
Log
2
dB
Settings
for
Amplitude
Accy
.
INPUT
1
(10
dB
A
T
and
0
dB
A
T)
F
unction
Band
A
(Man
ual)
Band
B
(Auto)
Band
C
(Auto)
RF
FREQ
9
kHz
to
150
kHz
200
kHz
to
30
MHz
30
MHz
to
50
MHz
QP
A
Filter
200
Hz
9
kHz
120
kHz
RES
BW
3
kHz
100
kHz
1
MHz
RFPS
(atten)
0
dB
0
dB
0
dB
SA
(atten)
10
dB
or
0
dB
10
dB
or
0
dB
10
dB
or
0
dB
Scale
Linear
Linear
Linear
HP
8572A
EMI
Receiv
er
User's
Guide
T
est
Descriptions
3-13