Mode
l 5315
A/
B
Operation
NOTE
For specifications
concerning
bandwidth,
accuracy, and
amplitude
on
input
signals,
refer
to
Tab
le 1·1.
1.
Set
POWER
switch.
to
the
ON
position.
NOTE
There must be at le
ast
200
ns
between
the
Stop pulse and
the
next Start
pulse. When measuring the
time
interval between
the
same
po
lar
ity
slope
of
two
pulses
fr
om
a single source,
the
PER
A
mode
s
ho
uld
be
used.
2.
If
the Start and Stop signals are
from
separate sources,
connect
the Start
si
gnal
to
INPUT A
jack
e,
the S
top
signal
to
INPUT B jack
CD,
and
set
the
SEP/COM A switch
CD
to
SEP
position.
If
the
Start and Stop signals are
from
a
common
source,
connect
to
INPUT A jack .
and
se
t
the
SEP
/
COM
A sw
itch
CD
to
COM
A position.
3.
Press
1.1. A- B switch e, and
the
Blue shift ke
y.,
to
select
time
in
ter
va
l average
fu
ncti
on
.
4.
Set
AC/
DC
CD
• > A
TIN
48
G.
and Slope
••
switches
to
desired positions.
NOTE
W
hen
the
SEP
/
COM
A sw
itch
is
set
to
COM
A,
only
the
Channel A
AC/ DC
switcheD
is effective.
Ho
wever, all
Attenuator,
Slope, and
Le
vel/Sens controls are effective.
5.
Set
TRIGGER LEVEL/SENSITIVITY
switches"
•
to
TR
IGGER
LEVEL
position.
This
sets
the
sensitivity
to
maximum
(t
yp
ically
"';:
10
mV
)
;lnn
aTnws
va
riable selection of
trigger
levels.
6.
A
dju
st
the
LEVEl/SENS
controls
••
for
optimum
triggering
(i.e., the
middle
of
the
range
over
wh
ich the trigger
lig
ht flashes ).
7. Adjust the GATE TIME
control.
for
the desired resolution. The selected gate
time
may be
displayed
by
pressing
the
GATE TIME
switch.
and
the
Blue shift key O.
NOTE
The T.!. Average
A-B
mode
of
operation
will
measure
time
intervals
from
105 seconds
down
to
0 n
s,
with
up
to
1
ns
resolution.
A display
of
up
to
"-"
1
or
2 ns,
indicating
a negative
time
interval (i.e., Channel B
event
occurred
before
Channel A event)
is
possible.
Figure
3-14. Time
Interval
Average A
-B
3-19
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