is
100
MHz,
press
4
.03-1
GHz
5
on
the
quasi-p eak
detector.
This
sets
the
quasi-p eak
bandwidth
to
120
kHz.
4.
Press
the
NORMAL
k
ey
on
the
quasi-p eak
adapter.
5.
Set
the
sp ectrum
analyzer
resolution
and
video
bandwidths
according
to
the
table
on
the
fron
t
of
the
quasi-p eak
adapter.
F
or
a
100
MHz
signal,
set
the
bandwidths
to
1
MHz.
Note
Making
the
sp ectrum
analyzer's
resolution
bandwidth
m
uc
h
greater
than
the
quasi-p eak
bandwidth,
the
quasi-p eak
bandwidth
b ecomes
the
limiting
bandwidth
in
the
IF.
If
the
resolution
bandwidth
is
less
than
the
quasi-p eak
bandwidth,
the
resolution
bandwidth
b ecomes
the
limiting
bandwidth
in
the
IF
and
the
sp ecial
quasi-p eak
bandwidth
lter
w
ould
ha
v
e
no
eect.
6.
Set
the
sp ectrum
analyzer
cen
ter
frequency
to
100
MHz
and
the
span
to
1
MHz.
7.
The
table
on
the
fron
t
of
the
quasi-p eak
adapter
section
sho
ws
the
sw
eep
time
to
use
with
quasi-p eak
detection
OFF.
With
frequency
in
the
0.03
to
1
GHz
band
and
span
set
to
1
MHz,
the
sw
eep
time
m
ust
b e
set
to
a
v
alue
no
faster
than
1
ms.
A
sw
eep
time
faster
than
the
v
alue
indicated
on
the
table
will
cause
an
incorrect
amplitude
reading.
8.
Press
4
SHIFT
5
C
on
the
sp ectrum
analyzer,
to
read
amplitude
in
dBV.
9.
T
o
select
the
preamplier
BYP
ASS
path,
press
0
4
5
on
the
switch
driv
er.
The
LED
in
the
k
ey
will
light.
10.
Disconnect
the
signal
source.
Connect
the
preselector
com
b
generator
output
to
the
input
of
the
preselector
section
to
b e
used
in
the
measuremen
t.
11.
Set
the
sp ectrum
analyzer
start
frequency
to
30
MHz
and
stop
frequency
to
200
MHz
(170
MHz
span).
Note
Before
calibrating
the
system:
Make
sure
all
equipmen
t
settings
are
correct.
Do
not
c
hange
the
resolution
bandwidth,
scale,
attenuation,
or
input
p ort
after
calibration.
(The
start
and
stop
frequencies
may
b e
c
hanged
after
calibration
if
the
frequency
range
stays
within
the
range
at
whic
h
the
receiv
er
w
as
calibrated.)
Manually
set
critical
system
parameters
man
ually
,
suc
h
as
resolution
bandwidth.
P
arameters
that
are
set
man
ually
will
not
c
hange
during
the
calibration
routine;
parameters
that
are
still
in
the
auto-coupled
mo
de
may
c
hange
during
the
calibration
routine.
4-10
Making
Typical
Measurements
HP
8572A
EMI
Receiv
er
User's
Guide