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Tektronix 47E5A

Tektronix 47E5A
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MIX:
The
first
part
of
the
horizontal
sweep is displayed
at a rate set
by
the
A TIME/DIV
switch
and
the
latter
part
of
the sweep at a rate set by the B
TIME/DIV
switch
. Relative
amounts
of
the
display
allocated
to
each
of
the
two
sweep
rates are
determined
by
the
setting
of
the
DELAY-TIME
POSITION
control.
A INTEN:
The
sweep rate
is
determined
by the A
TIME/DIV
switch.
An
intensified
portion
appears
on
the
display
during
the B Sweep time,
which
is
about
10 times
the B
TIMEIDIV
switch
setting
.
This
switch
position
provides
a
check
of
the
duration
and
position
of
the B
Sweep (delayed sweep)
with
respect
to
the A Sweep
(delaying
sweep).
B
DL
YO:
The
sweep rate is
determined
by
the B
TIME/DIV
switch
with
the delay
time
determined
by
the
selling
of
the
DELAY
TIME
(A
TIME/DIV)
switch
and the
DELAY-TIME
POSITION
control.
REAR PANEL
45. A
+GATE-Provides
a
positive-going
rectangular
pulse
coincident
with
the A Sweep time,
which
can be
used to
trigger
the
signal
source
(with
TRIG
MODE
switch
set
to
AUTO).
46. B
+GATE-Provides
a
positive-going
rectangular
pulse
coincident
with
the B Sweep time,
which
can be
used to
trigger
the signal
source
after
a selected
delay
time,
providing
that
A
Sweep
is
triggered
internally.
47.
CH
2 VERT
SIGNAL
OUT-Provides
a
sample
of
the
signal
applied
to
the
CH
2
input
connector
.
48. EXT
Z-AXIS-Permits
intenSity
modulation
of
the
crt
display.
Does
not
affect
display
waveshape. Signals
with
fast rise
and
fall
provide
the
most
abrupt
intensity
change. Signals
must
be
time-related
to
the
display
for
a
stable display. Useful
for
adding
time
markers
in
un-
calibrated
modes
of
operation.
49.
Line
Fuse
Holder-Contains
the
line
fuse and the
regulating
range selector. See
Table
1
for
change
informa-
tion.
50.
Regulating
Range
Selector-Shown
in
Medium
regulating
range. See
Table
1
for
change
information
.
51. PROBE
POWER-Power
source
for
active
probe
systems.
52.
Line
Cord-Makes
the
connection
between the
oscilloscope
and the
power
source
.
The
cord
may
be
conveniently
stored
by
wrapping
it
around
the
feet on the
rear
panel.
53.
MOD
SLOTS-A
number
in
either
slot
indicates
the
instrument
contains
an
option
or
other
modifications.
LEFT SIDE PANEL
Access
for
externally
available
adjustments
(see Fig.
7)
.
RIGHT
SIDE PANEL
LINE
VOLTAGE
SELECTOR
SWITCH
(located
on the
right
side)-Selects
either
115 V
or
230 V
nominal
line
voltage.
14
475A/DM44
Operators
@
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