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Maintenance and
Calibration
—
Type
114
Fig.
4-5, Control settngs for PERIOD CAL adjustment.
6.
Adjust
PERIOD CAL control
R125
a.
Set
the
Type
114
WIDTH
— VARIABLE
control
to
CAL
Turn
the
WIDTH
control
to
1
µ
S and
the
PERIOD
control
to
100
µ (see Fig
4-5).
b. Reconnect
the
Type
114
OUTPUT to
the Type 1A1
Channel
1 input
through
the
50
Ω
coax
and
the
50
Ω
termination.
c.
Connect
a
50
Ω
coax
cable
from
the
Type
180A
MARK
ER
OUT
connector
to
the
Type
1A1
Channel
2
input.
Set
the
Type
180A
for
100 microsecond
markers.
d.
Set
the Type
1A1
Channel
2
VOLTS/CM
switch
to
2
Turn
the
MODE switch Io
CH
2.
Pull
out
the
Channel
2
PULL
TO
INVERT
switch.
e.
Set
the
Type
547
HORIZONTAL
DISPLAY
switch
to
B
Set
the TIME/CM (B)
switch
to
.1
mSEC.
Set
the
TRIGGER
ING-SOURCE
switch
to
INT-NORM,
the
SLOPE
switch
to
—
,
and
the
MODE
switch to
TRIG.
Adjust
the
TRIGGERING
LEVEL
control
for
a
stable
display
of
the
100
microsecond
markers from
the Type 1
80A.
f.
Ch
ange
the
Type
1A1
MODE
switch
to
ALT
and
the
Channel
1
VOLTS/CM
switch
to
5.
Using the
Type
1
A1
POSITION
controls,
position
the
display
so
that
the
peaks
of
the
pulses
from
the Type
114
are
vertically displaced
about
1
mm
below
the
peaks
of
the
inverted
pulses from
the
Type
1
80A
on
the
other
trace.
g.
Adjust
the
PERIOD
CAL
control
R125
(se
e
Fig.
4-6
)
so
that
the
corresponding
pulses
in
the
two traces
are aligned
horizontally
to
within
½
%
(
see
Fig. 4-7).
Fig
4-6
.
Location of PERIOD CAL control R125.
Fig.
4-7. Crt
display
showing correct adjustment of PERIOD CAL
control.
4-6
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 ...