Tektronix 7B10 Instruction Manual page 76

NOTE
The tolerances given
in
Table
5-5
are
for
an
ambient temperature range
of +
15°
to
+35°
C.
If
outside
this
range, see the Specification
section
for
applicable tolerances.
a.
CHECK
—
Using the
TIME/DIV
setting
and time-mark
generator settings
from Table
5-5,
check
sweep
accuracy
for
1
time
mark/
division
over the center 8
divisions
within the
tolerance given
in
Table 5-5. Set the
POSITION
controls
and
TRIGGERING LEVEL
control as
necessary
for
a stable display aligned with the
vertical
graticule
lines.
NOTE
If
the
time-mark generator used does not
have
1-2-5 sequence markers, apply
1
unit
markers
in place of
2
unit
markers
and
check
for
2
markers/division, over the center eight
divisions of display,
according
to
the
tolerances given
in
Table
5-5.
TABLE
5-5
Sweep
Timing
Tolerance
Time/Div Time
Markers
(+15°
to
+35°
C)
2 ns
2 ns
Within 0.24
div
5 ns 5 ns
Within 0.24
div
10
ns
10 ns
Within 0.16
div
20 ns
20
ns Within 0.16
div
50
ns
50
ns Within 0.16
div
.1
ps
.1
ps Within 0.16
div
.2
ps
.2
ps Within 0.16
div
.5
ps
.5
ps Within 0.16
div
1
ps
1
ps Within 0 16
div
2
ps
2
ps
Within 0.16
div
5
ps
5
ps
Within 0.16
div
10 ps
10 ps
Within 0 16
div
20 ps
20 ps Within 0 16
div
50
ps
50
ps
Within 0.16
div
.1
ms
.1
ms
Within 0.16
div
2
ms
.2
ms
Within 0.16
div
5
ms
.5
ms
Within 0.16
div
1
ms
1
ms
Within 0.16
div
2
ms
2
ms
Within 0.16
div
5
ms
5
ms
Within 0.16
div
10
ms
10
ms
Within 0
16
div
20
ms 20
ms
Within 0.16
div
50
ms 50
ms
Within 0.16
div
.1
s
.1
s
Within 0.16
div
1
s
1
s
Within
0 16
div
.2
s
2
s
Within 0.16
div
Calibration Part ll--^7B10
Adjustment and Performance
Check
B7.
CHECK
MAGNIFIED
SWEEP
TIMING
SETUP CONDITIONS
NOTE
If
the preceding step
was
not performed,
first
refer
to
the Horizontal
System
Preliminary
Control Settings,
then proceed with the
following
instructions.
B7 SETUP
CONDITIONS
7B10
Controls
MAG
XI
0
(out)
TIME.'DIV
See Table 5-4
Time-Mark
Generator
Oscillo-
scope
Main-
frame
Vert
Amp
— o
7B10
BNC
Cable
Vertical
Amplifier
0
5
V/div
^^Time Ma
rk
Generator
See
Table 5-4
^
NOTE
The
tolerances in
Table
5-6
are
for
an
ambient temperature range
of
+15°
to
+35°
C.
If
outside
this
range,
see
the Specification
section
for
applicable tolerances.
a.
CHECK—
Using
the
TIME/DIV
settings
and
time-mark
generator
settings
in
Table 5-6,
check
the
magnified
sweep accuracy
for
1
time mark/division, over the center
8
divisions,
within the tolerance given
in
Table
5-6.
Set
the
POSITION
controls
and
TRIGGERING LEVEL
control
as necessary
for a
stable display aligned with the
vertical
graticule
lines.
NOTE
The 7
BIO may
be operated as a delayed
sweep
unit
(B horizontal
compartment).
To
check
7B10
delayed sweep
operation, refer
to
a delaying
sweep
checkout procedure
in
the
operating instructions or calibration sections
of the instruction
manual
for
the delaying
sweep
unit.
REV A APR
1980
5-25