5
Do
wnloadable
Program
(DLP)
Measurements
In
this
c
hapter,
y
ou'll
learn
ho
w
to
p erform
EMI
measuremen
ts
with
the
HP
85867A
do
wnloadable
program
(DLP).
This
DLP
is
loaded
in
to
the
memory
of
ev
ery
HP
8572A
EMI
receiv
er.
Example:
Quasi-peak
measurements
on
broadband
signals,
using
a
DLP
Note
Complete
man
ual
calibration
o
v
er
the
desired
frequency
range
b efore
starting
the
DLP
.
The
source
used
is
a
pulse
generator
in
the
5
MHz
range.
In
this
example,
only
receiv
er
INPUT
1
is
calibrated
(for
CISPR
band
B).
Separate
calibration
data
can
b e
stored
for
b oth
INPUT
1
and
INPUT
2
of
the
preselector
section.
This
lets
y
ou
calibrate
the
system
o
v
er
a
wide
frequency
range.
Y
ou
may
prefer
to
calibrate
eac
h
input
to
corresp ond
to
a
particular
band
b efore
making
measuremen
ts,
b ecause
y
ou
then
w
ould
not
ha
v
e
to
calibrate
the
system
man
y
times,
o
v
er
smaller
frequency
ranges.
1.
Place
the
DLP
o
v
erla
y
on
the
sp ectrum
analyzer
section
n
umeric
k
eypad.
2.
Press
4
INSTR
PRESET
5
on
the
quasi-p eak
adapter
and
on
the
preselector.
3.
Press
the
INPUT
1
selection
k
ey
on
the
preselector.
4.
Place
the
preamplier
in
BYP
ASS
mo
de
b
y
pressing
the
switch
driv
er
0
4
5
k
ey
.
The
LED
in
the
k
ey
will
light.
5.
Connect
the
signal
source
to
receiv
er
INPUT
1.
6.
Set
the
receiv
er
to
these
settings:
4
ST
ART
FREQ
5
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
150
kHz
4
STOP
FREQ
5
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
30
MHz
4
REW
BW
5
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
100
kHz
4
VIDEO
BW
5
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
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.
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.
.
.
.
.
.
.
.
100
kHz
QP
A
BW
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
9
kHz
QP
A
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
NORMAL
Scale
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
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.
.
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.
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.
LIN
HP
8572A
EMI
Receiv
er
User's
Guide
Do
wnloadable
Program
(DLP)
Measurements
5-1
Содержание 8572A
Страница 1: ...User s Guide HP 8572A EMI Receiver ABCDE HP Part No 08572 90003 Printed in USA April 1992 ...
Страница 8: ......
Страница 12: ......
Страница 25: ...Figure 1 2 Calibration Data Graph HP 8572A EMI Receiver User s Guide Calibrating Your Receiver 1 13 ...
Страница 54: ......
Страница 106: ......
Страница 112: ...Figure 4 5 Signal Detection and Processing 4 6 Making Typical Measurements HP 8572A EMI Receiver User s Guide ...
Страница 138: ......
