6.
On
the
HP
8510,
press
4
P
ARAMETER
MENU
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
USER
2
b2
4
RESPONSE
REF
V
ALUE
5
4
MARKER
5
4
RESPONSE
SCALE
5
4
.
5
4
0
5
4
2
5
4
x1
5
4
SYSTEM
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
RESET
IF
CORRECTION
4
STIMULUS
MENU
5
NNNNNNNNNNNNNNNNNNNNNNN
NUM
PTS
NNNNNNNNNNN
101
7.
Adjust
the
t
w
o
v
ariable
ceramic
capacitors,
lo
cated
on
the
A3
Pulse
Detector
b oard
near
J2
and
J3,
for
minimum
ripple
(refer
to
Figure
5-2 ).
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
RESET
IF
CORRECTION
at
the
end
of
eac
h
sw
eep
while
adjusting
these
capacitors.
The
ripple
should
b e
<0.06
dB
p eak-to-p eak
after
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
RESET
IF
CORRECTION
.
See
Figure
5-3
and
Figure
5-4
for
t
ypical
net
w
ork
analyzer
display
traces.
Recen
ter
the
trace
b
y
c
hanging
the
Reference
V
alue
if
necessary
.
Note
Noise
can
sometimes
make
this
adjustmen
t
app ear
temp orarily
out
of
sp ecication.
Ignore
non-rep eatable
spik
es.
8.
Mov
e
the
test
cable
to
J5
on
the
A2
IF
MUX
b oard
(refer
to
Figure
5-2)
and
replace
the
original
cable
on
J3.
Repeat
this
pro cedure
from
step
6
substituting
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
USER
3
a2
for
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
USER
2
b2
.
Adjust
the
capacitors
on
the
A4
Pulse
Detector
b oard
instead
of
the
b oard.
The
ripple
should
b e
<0.06
dB
p eak-to-p eak
after
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
RESET
IF
CORRECTION
.
9.
When
the
A3
and
A4
b oards
ha
v
e
b een
adjusted,
turn
the
instrumen
t
OFF,
remov
e
the
test
cable
and
replace
the
original
cable
on
J5.
Replace
the
top
co
v
er
on
the
IF/detector.
Reconnect
the
system
bus
cables
to
the
sources.
Recongure
the
net
w
ork
analyzer
with
the
display/pro
cessor
on
top
of
the
IF/detector.
This
completes
the
adjustmen
t
pro cedure,
con
tinue
with
the
op erator's
tests
in
the
op erating
section
of
this
man
ual.
5-4
Adjustments
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