Tektronix 7B10 Instruction Manual page 72

f.
CHECK—
For a stable display
(TRIC'D
light
on)
with the
COUPLING
switch set
to:
1.
AC
2.
AC
LF
REJ
3.
DC
(Set
TRIGGERING LEVEL
control as
necessary).
g.
CHECK—
Set the
SLOPE
to
(-)
and
repeat part
f.
h.
Set the
high-frequency sine-wave generator and
the
amplifier plug-in unit deflection factor
for
a 1.5 division
display
at
1
GHz.
i.
CHECK
-For a stable display (TRIC'D
light
on) with the
COUPLING
switch
set
to:
I .
2.
AC
LF
REJ
3.
DC
(Set
TRIGGERING LEVEL
control as necessary.)
j.
CHECK
—
Set the
SLOPE
to
(+)
and
repeat part
i.
k.
Set the
TRIGGERING
MODE
switch
to
HF
SYNC
and
the high-frequency
sine-wave
generator
and
amplifier
plug-in unit deflection factor for a 0.3 division display
at
1
GHz.
l.
CHECK
—
For a stable
display (TRIC'D
light on)
with the
COUPLING
switch
set
to:
1.
AC
2.
AC
LF
REJ
3.
DC
(Set
TRIGGERING LEVEL
control
as necessary
)
m.
CHECK
—
Set the
SLOPE
to
(+)
and
repeat part
i.
A8.
CHECK
INTERNAL TRIGGER
JITTER
SETUP CONDITIONS
NOTE
If
the preceding step
was
not performed,
first
refer
to
the Triggering
System
Preliminary
Control Settings,
then proceed with
the
following
instructions.
Calibration Part II—
7B10
Adjustment and Performance
Check
a.
CHECK—
For
a stable
display with no
more
than 0.15
division
(30 picosecond)
of
jitter.
A9.
CHECK
LINE
TRIGGERING
SETUP CONDITIONS
NOTE
If
the
preceding
step
was
not performed,
first
refer to
the Triggering
System
Preliminary
Control
Settings, then
proceed
with the
following
instructions.
a
CHECK—
Set the
TRIGGERING LEVEL
to
approximately midrange and check
that the
TRIG'D
light
is
on.
b.
CHECK
—
That
the display
is
not triggered (TRIG'D
light
off) at
either
end
of
the
TRIGGERING LEVEL
control
rotation.
5-21