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Tektronix 7613 User Manual

Tektronix 7613
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Calibration—7613/R7613
Service
20.
Check
Vertical
Chopped
Mode
Operation
a.
Connect
the
10X
probe
to
the
external
trigger
input
of
the
7B53A,
b.
Connect
the
probe
tip
to
TP67
(see
Fig.
2-4).
c.
Position
the
trace
several
divisions
above
the
center
line
with
the
Position
control.
d.
Set
the
VERT
MODE
switch
to
CHOP.
e.
Set
the
7B53A
for
auto,
external
triggering
at
a
sweep
rate
of
0.2
microsecond/division.
f.
CHECK—CRT
display
for
chopped
waveform
display
with
duration
of
the
time
segment
from
each
channel,
including
the
blanked
portion,
between
two
and
three
divisions.
Also,
check
that
the
unblanked
(visible)
portion
of
the
time
segment
from
each
channel
consists
of
at
least
75%
of
the
duration
of
the
total
channel
segment.
g.
Disconnect
the
probe
and
remove
all
plug-in
units.
TRIGGERING
SYSTEM
Equipment
Required
1.
Mainframe
standardizer
calibration
fixture
2.
7B53A
plug-in
unit
3.
7A15A
plug-in
unit
4.
BNC
to
pin-jack
cable
Fig.
2-4.
Location
of
TP67
on
Logic
board
(shown
with
power
unit
removed).
2-12
Control
Settings
Set
the
controls
as
given
under
Preliminary
Control
Settings.
21.
Check
Trigger
Source
Operation
a.
Install
the
mainframe
standardizer
calibration
fixture
in
the
right
vertical
compartment
and
the
7A15A
in
the
left
vertical
compartment.
b.
Install
the
7B53A
in
the
horizontal
compartment.
c.
Set the
7B53A
for
auto,
internal
triggering
at
a
sweep
rate
of
0.5
millisecond/division.
d.
Set the
7A15A
for
a
deflection
factor
of
0.2
volt/division.
e.
Connect
the 0.4
V
Calibrator
pin-jack
to
the
input
of
the
7A15A
with
the
BNC
to
pin-jack
cable.
f.
Position
the
Calibrator
waveform
display
in
the
upper
half
of
the
graticule
area
with
the
7A15A
Position
control.
g.
Set
the
VERT
MODE
switch
to
RIGHT.
h.
Set the
calibration
fixture
Test
switch
to
Vert
or
Horiz
+Step
Resp,
Rep
Rate
switch
to
250
Hz,
and
adjust
the
Amplitude
control
for
a
two-division
display.
Position
the
display
in
the
lower
half
of
the
graticule
area.
i.
Set
the
VERT
MODE
switch
to
ALT.
j.
CHECK-CRT
display;
both
square-wave
displays
are
stable.
k.
Set the
TRIG
SOURCE
switch
to
LEFT.
|.
CHECK—CRT
display;
Calibrator
display
only
is
stable.
m.
Set the
TRIG
SOURCE
switch
to
RIGHT.
n.
CHECK—CRT
display;
calibration
fixture
display
only
is
stable.
o.
Disconnect
the
BNC
to
pin-jack
cable
and
remove
the
plug-in
units.
7613

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Tektronix 7613 Specifications

General IconGeneral
BrandTektronix
Model7613
CategoryTest Equipment
LanguageEnglish

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