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Model
5315A/B
Operation
3-20
NOTE
Fo
r
specifications concerning
bandwidth,
accuracy.
and
amplitude
on
input
signals.
refer
to
Table 1-1
.
1.
Set
POWER
switch
0
to
the
O
N
position.
2. Set
SEP/
COM
A
swi
tc h "
to
SEP
position
.
3.
Conned
the
input
signa
ls
to
INPUT A •
and INPUT B
G.
Connecting the
higher
frequency
signal
to
INPUT
A
will
p
roduct
a
ratio d"fs"play greater
than
1,
connecting
the
lower
freque ncy
signal
to
INPUT
A will produce
a ra
tio
disp
la
y greate
r
than 1.
The
best
resolution
is achieved
with
the higher
freque ncy
into Channel
A.
4.
Press
RATIO
A/
SO
,
and insure
the
Blue
shift
key eiS
in the
out
position
5. Set
AC/
DC . . .
'
An
N . ,
crt,
and Slope
• •
switches to
desired
positions.
6.
Set TRIGGER
LEVEL/
SENSITIVITY
switches
. . .
to
SENSITI
VITY position
and LEVEUSENS
contro l s .
. ,
full
y
ccw.
Th
is sets
the
trigger
level
at
B
volts (no
m
inally)
and
sensitivity
to
minimum (>500
m
V).
7.
Ad
just
e
ach
LEVEL/
SENS control
• •
in
a clockwise
direction
slightly
beyond
the
point
the
corresponding trigger
light
flas hes.
If
signals
are
less
than
250
mV rms,
the
sensitivity
controls may
be full
y cwo
6.
Adjust the
GATE
TIME
control.
for
desired
resolution
.
The selected
gate time, variable
nominally
from
50
ms
to
10
s,
may
be
displayed
by
pressi
ng
the
GATE
TIME
switch .
and the
Blue shift
ke
y
e
.
Figure
3-15.
Ratio
A/B
Measuremen/5
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