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Tektronix 47E5A

Tektronix 47E5A
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RISETIME
(OM4,4)
Set
controls
as
follows:
FUNCTION
HORIZ
DISPLAY
B
SOURCE
B
TIME/DIV
l:l.
TIME
TIME
A
INTEN
STARTS AFTER DELAY
3
or
4
positions
more
cw
than A
TIME
/DIV
To
move the
time-
measurement
pOint
to the
right
of
the
reference
pOint
Set
the A
TIME
/ DIV
switch
to a setting that displays
several
events. Set the
VOL
TS/DIV
and
VAR
VOL
TS/DIV
so the
amplitude
of
the
display
is
exactly
5
divisions
.
Vertically
position
the
display
so the
bottom
touches
the
0%
graticule
line and the
top
touches
the 100%
graticule
line.
Adjust
the
DELAY
TIME
POSITION
control
to
move
the
reference
pOint
to
the 10%
graticule
line
(see Fig. 32
Point
A).
Adjust
the
l:l.
TIME
control
to
move
the
time
measure-
ment
point
to the 90%
graticule
line
(see Fig. 32,
Point
B).
The
Readout and Scale
Factor
Lamps
indicate
the
risetime.
INTENSIFIED
ZONES
I
1
SIGNAL
AMPLITUDE
I
1
-~
'
t-
1I
I
--I
1""-
II
'\~
J
'\
.-
~
./
V
.~
V
®~
/
V
F'@
I . t
HORIZONTAL
I
DISTANCE
I--
-
M
-TI
EASURE
ME
F
ROM
A
TO
B
i
(465/DM
-
0-ll
'2039
-
29
Fig
. 32.
Risetime
.
60
475A/DM44 Operators
@
I
I
I
I
I
I
I
I
I

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