Table of Contents
Advertisement
Table
3.8
-
Ratio
A/B
and
C/B
Measurements
1.
Turn power
on.
2.
Select
RATIO
A/B
or
RATIO
C/B
using
FUNCTION
keys(u).
3.
Set the
AC/DC
coupling
required.
4.
Select the
XI
0
input
attenuation
0)
if
desired.
Attenuation
setting
is
automatic
in
the
Auto-Trigger
mode.
5.
Connect
one
signal to
INPUT
B
0)
and
the other
to
INPUT A
0)
or
INPUT
C0)
.
The
lower frequency
signal
should be
connected
to
INPUT
B.
6.
Select a
specific
gate
time
(valid
range of 200
jis
to 99.9
s) if
desired.
For
small numbers, enter the gate-time using
the
exponential format.
The
displayed gate
time
will
be rounded
to
the nearest 25.6
jus.
Use key
sequence
<
value)
SHIFT (0)
STORE
(0)
GATE
(S)
.
Programmed
gate
times
are
immediately enabled
with the
resolution set accordingly.
Skip
step
7
if
step
6
is
being used
to
enter the gate time.
7.
Use
the
RESOLUTION
4 4
keys
(7)
to
select the required display resolution
and
gate time
if
step
6
was
not used
(see
Table
3.12).
8.
If
RATIO
A/B
is
selected, either set trigger
levels
A
and
B
manually
using
key sequence
TRIG-LEVEL
@
+/-
0
)
<
value)
TRIG-LEVEL
@
,
or
select
AUTO-TRIG
A
and
B (S)
.
Check
that Inputs
A
and B
TRIG LEDs
(0)
flash.
For
RATIO
C/B,
a trigger level
for
only
INPUT
B
may
be
specified.
9.
If
a frequency
below
50
kHz
is
to
be
measured
in
the
presence
of high freq-
uency
noise, select
the
FILTER
0)
.
3-30
Advertisement
Table of Contents
