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SECTION
V
CALIBRATION
GENERAL
INSTRUCTIONS
1,
When
calibrating
the
Model
150
instrument (which has no
front
panel
knob
controls),
and
front
panel controls are
mentioned
,
disregard and
program
the
Model
150 externally.
2.
During instrument
calibration, the
board
being tested
is
mounted
on
the
extender board, and
power
is
applied
to
the instrum,ent.
TEST
EQUIPMENT
Tektronix
533A
with
a type
W
plug-in, or equivalent.
Dekavider, or
equivalent.
Four
place
DVM,
or equivalent.
Frequency
Counter 727D
Computer Measurements Company,
or equivalent.
POWER
SUPPLY BOARD
(Board No. 017-101-63)
IMPORTANT
1.
Observe
the plus output
on
pin
1
with
a
DVM
or equivalent
and
adjust
to
+6.
300
volts
with
R12.
2.
Observe
the
negative output
on
pin
2
with
a
DVM
or equivalent and adjust
to -6.
300
volts
with
R17.
3.
Repeat
Steps
2
and
3
several times due
to
a
minor
interaction
between
R12
and R17.
SCHMITT
k
SWITCH
BOARD
(Board No. 017-104-63)
1.
Monitor
the
voltage output
at
pin
7
on
the
Integrator
Board
with a
Tektronix
type
W
plug-in.
(Input
attenuator
XI
and
straight
through probe.)
2.
Adjust
the
comparison knob
on
the
W
for
2. 5
volts
offset.
3.
Switch
the
Vc
range switch
from
+
to
-
using
the 11.1
range on
the
W
and
adjust
the triangle
waveform
for
a
total of
5
volts
peak
to
peak.
R3
will
adjust
the
positive
portion
of
the
waveform
and
R6
will
adjust
the
negative
portion.
5-1
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