Calibration
—
Type 3B5
sary
so
the
magnified
portion
starts
at
the
leading
edge
of
the
applicable
markers.
Check
for
±15
minor
dial
divisions,
or less,
deviation
between
the
major
dial
division
and
the
dial
setting
which
produces
the
correct
display
(±3%
of full
scale).
12.
Check
Delayed
Sweep
Magnifier
Jitter
a. Set the
time-mark
generator
for
one-millisecond
markers.
b.
Set
the
MANUAL
TIME/DIV
switch
to
1 ms.
c.
Set
the
DELAY
dial
to
1.00
and
then
rotate
the
dial
as
necessary
to
position
the
magnified
second
marker
to
the
center
vertical line.
d.
CHECK
—Jitter
on
the
leading
edge of
the
magnified
marker does
not
exceed
0.3
division
(3
parts
or
less
per
10,000;
see
Fig.
6-1
2A).
Ignore
slow
drift.
e. Set
the
DELAY
dial
to 9.00
and
then
rotate
the
dial
and
POSITION control
to
move
the
magnified
tenth marker
to
the
center
vertical line.
f. CHECK—
Jitter
on
the
leading
edge of
the
magnified
marker
does
not
exceed
0.3
division
(3
parts
or
less
per
10,000;
see
Fig.
6-1
2B).
13.
Adjust
One-Second
Timing
a. Set
the
time-mark
generator
for
one-second
markers.
b. Change
the
following
control
settings:
DLY'D
SWP MAG
MANUAL
TIME/DIV
Trigger Function
LEVEL
OFF
1
s
INT-AC
Triggered
display
CAUTION
To
prevent permanent
damage
to
the
CRT
phos
phor,
either
reduce
the
trace
intensity
to
a
level
which
does not
produce
a
halo
around
the
spot
or
position
the
baseline
of
the
marker
display below
the
viewing
area.
c.
CHECK
—
CRT
display
for
one
marker
each
division
between
the
first
and
ninth
vertical
graticule
lines
(see
Fig.
6-1
3A).
d. ADJUST
—
1
s
Cal
adjustment, R395
(see
Fig.
6-1
3B),
for
one
marker
each
division.
14.
Adjust
One-Microsecond
Timing
a.
Set
the
time-mark
generator
for one-microsecond
markers.
b.
Set
the
MANUAL
TIME/DIV
switch to
1
μ
s.
c. CHECK
—CRT
display for
one
marker
each
division
between
the
first
and
ninth
vertical
graticule
lines
(see
Fig.
6-1
4A).
Fig.
6-11. (A) Typical CRT display showing correct delay Start
adjustment, (B) Location
of
Start and
Stop
adjustments
(right side),
(C) Typical
CRT display showing correct delay Stop adjustment.
6-13
Summary of Contents for 3B5
Page 4: ...Fig 1 1 Type 3B5 Automatic Programmable Time Base unit Type 3B5...
Page 15: ...Operating Instructions Type 3B5 TYPE 3B5 CONTROL SET UP CHART Fig 2 2 Control set up chart 2 7...
Page 48: ...CO I o Fig 3 13 Delay and Timing Circuit logic block diagram Circuit Description Type 3B5...
Page 61: ...GO i GO GO Fig 3 22 Seek Ciicuit Logic block diagram Circuit Description Type 3B5...
Page 70: ...u k KJ Fig 3 29 Circuit conditions for Manual Mode operation Circuit Description Type 3B5...
Page 71: ...w K w Fig 3 30 Circuit conditions for Seek Mode operation Circuit Description Type 3B5...
Page 72: ...w I u U Fig 3 31 Circuit condition for External Mode operation Circuit Description Type 3B5...
Page 88: ...Maintenance Type 3B5 Fig 4 9 Location of components on Logic Card 4 14...
Page 89: ...u Oi Fig 4 10 Location of components on Counter Card Maintenance Type 3B5...
Page 92: ...NOTES I...
Page 104: ...NOTES...
Page 106: ...Calibration Type 3B5 Fig 6 1 Recommended calibration equipment...
Page 160: ......
Page 176: ...J400 RtADOUT BOARD 3B5 PLUG IN A READOUT...
Page 182: ...397 R E A D O U T B O A R D 10 6b READOUT BOARD...
Page 184: ...FIG 1 FRONT SWITCHES TYPE 3B5 AUTOMATIC PROGRAMMABLE TIME BASE...
Page 185: ...FIG 2 CHASSIS REAR 3 GS to TYPE 3B5 AUTOMATIC PROGRAMMABLE TIME BASE...
Page 186: ...OPTIONAL ACCESSORIES...
