Maintenance
and
Calibration
—Type
114
Fig,
4-12.
Crf display
showing
correct adjustment
of WIDTH CAL
control R180.
11.
Adjust 100
nS Pulse Width capacitor
C195F
©
a. Set
the
Type 114
WIDTH switch
to
100
nS,
set
the
PE
RIOD
switch
to
1
µ
S
(see
Fig.
414).
b.
Set
the
Type
547
TIME/CM
(B)
to
.1
µ
SEC.
c.
Set
the
Type
1A1
Channel
1
VOLTS/CM
switch
t
o
2.
Rotate
the
Type
114
AMPLITUDE —
VARIABLE
and
the
Type
1A1
Channel
1
POSITION
controls
lor
5
cm
of
pulse
ampli
tude.
Center
the
pulse
vertically
on the
graticule.
Set
the
Type 547
TRIGGERING
LEVEL
control
for
stable
triggering.
d. Set
the
Type
180A
to
deliver
10
m
c sine-wave
output.
e.
Use
the
Type
1A1 Channel 2
POSITION control to posi
tion
the
top
of
the
sine
waves from
the
Type
180A
to
the
graticule
centerline.
Fig. 4-13.
location of WIDTH CAL control R180
f.
Set
the
SWEEP
MAGNIFIER
control
to X5.
Use
the
HORI
ZONTAL
POSITION
and
TRIGGERING LEVEL
controls
to
obtain
the
display
shown in
Fig.
4-15.
NOTE
At
100
nanosecond
pulse
widths,
the
risetime
and
falltime
of
the
pulse becomes
a
significant
portion
of
the pulse
width,
therefore
the pulse width
meas
urement
is
made
at
the
50%
amplitude
points.
Fig.
4-14. Control sortings
for adjusting l00 nS
Pulse Width capacitor C195F.
4-9
Summary of Contents for 114
Page 3: ...Type 114 Type 114 Pulse Generotor ...
Page 8: ...Operating Instructions Type 114 Fig 2 1 Front panel control Fig 2 2 Type 114 rear ponel 2 2 ...
Page 10: ...NOTES ...
Page 14: ...NOTES ...
Page 28: ...Maintenance and Calibration Type 114 Fig 4 20 Locations of electrical components 4 14 ...
Page 30: ...Parts List Type 114 EXPLODED VIEW 5 2 ...
Page 45: ...TYPE 114 PULSE GENERATOR ...
Page 46: ...PULSE GENERATOR ...
Page 47: ...TYPE IM PULSE GENERATOR c ...
Page 48: ...SW282 POWER SUPPLY CMD OUTPUT AMPLIFIER 4 POWER SUPPLY ...
