Calibration
—
Type
3B5
Fig.
6-18.
(A) Location of high-frequency test points and adjustment
red adjustment.
h. CHECK—
Test
oscilloscope
display
for
optimum
square
corner
at
the
lower,
trailing
edge
of
the
waveform
(see
Fig.
6-18B).
i.
ADJUST
—
C547
(see
Fig.
6-18A)
for minimum
overshoot
and
rolloff
at
the lower
trailing
edge
of
the
waveform
(opti
mum
square
corner).
A
typical
test
oscilloscope
display
is
shown
in
Fig. 6-18B.
j.
Move
the
probe
tip
to
the
test
point
for
C551 (see Fig.
6-1
8A).
k.
CHECK
—
Test
oscilloscope
display for
optimum
risetime
with
minimum
flattening
out
at
the
top
of
the
waveform
(see
Fig.
6-1
8B).
l.
ADJUST
—
C551
(see
Fig.
6-1
8A) for
optimum
risetime
with
minimum
flattening
out
at
the
top
of
the
waveform.
A
typical
test
oscilloscope
display
is
shown in Fig.
6-18B.
NOTE
This
is
a
preliminary
adjustment
for optimum
high-
frequency
response.
Further
adjustment
to
provide
(Time-Base Board),
(B) Typical test oscilloscope display showing cor-
correct
timing
and
linearity
may
be
necessary
when
checking
10-nanosecond timing in
step
20.
m.
Disconnect
the
10X
probe
tip.
18.
Adjust Registration
a.
Set
the
time-mark
generator
for
five-microsecond
markers.
b.
Set
the
MANUAL
TIME/DIV
switch
to
.1
/xs.
c.
Move
the
marker
to
the
first vertical
graticule
line
with
the
POSITION
control (see
Fig.
6-1
9A).
d.
Set
the
MANUAL TIME/DIV
switch
to
50
ns.
e.
CHECK—
Marker
should
remain
at
the
first
vertical
graticule
line
(see
Fig.
6-1
9B).
f.
ADJUST—
Registration
adjustment,
R505
(see
Fig. 6-1
9C),
to
move
the
marker
to
the first
graticule
line.
g.
INTERACTION
—
Check
steps
19
and
20
6-18
Содержание 3B5
Страница 4: ...Fig 1 1 Type 3B5 Automatic Programmable Time Base unit Type 3B5...
Страница 15: ...Operating Instructions Type 3B5 TYPE 3B5 CONTROL SET UP CHART Fig 2 2 Control set up chart 2 7...
Страница 48: ...CO I o Fig 3 13 Delay and Timing Circuit logic block diagram Circuit Description Type 3B5...
Страница 61: ...GO i GO GO Fig 3 22 Seek Ciicuit Logic block diagram Circuit Description Type 3B5...
Страница 70: ...u k KJ Fig 3 29 Circuit conditions for Manual Mode operation Circuit Description Type 3B5...
Страница 71: ...w K w Fig 3 30 Circuit conditions for Seek Mode operation Circuit Description Type 3B5...
Страница 72: ...w I u U Fig 3 31 Circuit condition for External Mode operation Circuit Description Type 3B5...
Страница 88: ...Maintenance Type 3B5 Fig 4 9 Location of components on Logic Card 4 14...
Страница 89: ...u Oi Fig 4 10 Location of components on Counter Card Maintenance Type 3B5...
Страница 92: ...NOTES I...
Страница 104: ...NOTES...
Страница 106: ...Calibration Type 3B5 Fig 6 1 Recommended calibration equipment...
Страница 160: ......
Страница 176: ...J400 RtADOUT BOARD 3B5 PLUG IN A READOUT...
Страница 182: ...397 R E A D O U T B O A R D 10 6b READOUT BOARD...
Страница 184: ...FIG 1 FRONT SWITCHES TYPE 3B5 AUTOMATIC PROGRAMMABLE TIME BASE...
Страница 185: ...FIG 2 CHASSIS REAR 3 GS to TYPE 3B5 AUTOMATIC PROGRAMMABLE TIME BASE...
Страница 186: ...OPTIONAL ACCESSORIES...
