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SERVICE GROUP B
8-B-3. Auto-Cal Constants.
Table 8-B-1. Auto-Cal Constants
5
Circuits
'Number
Constant Description
----
Paragraph 8-45
ciel
| Paragraph 8-46
Detailed
Operation
lo, no input - A/D offset measurement
i+, | ratio -+ 10 V reference input, A/D
current ration measurement.
10 V offset - X1 gain with amplifier input
tied to ground.
Input attenuator
at X1
gain.
10
10 V gain - X1 gain with amplifier tied to
|Figure 8-B-2
+ 10 V reference. Input attenuator at X1
gain.
Ohms and .5 V offsets - X20 gain with
amplifier input tied to ground. Input atten-
tuator at Xt gain.
Ohms
and 5 V offsets
~— X2 gain with
amplifier input tied to ground.
Input at-
tenuator of X1 gain.
100 V offset #2 (X1) - gain with amplifier
input tied to 10:1 attenuator with top of
10:1 attenuator tied to ground.
1000
V offset - X1 gain with amplifier
tied
to
100:1
attenuator
with
top of
100:1 attenuator tied to ground.
100 V gain - X10 gain with amplifier tied
to 10:1 attenuator with top of 10:1 at-
tenuator tied to X10 V reference.
100 V offset #1 (X10) - X10 gain with
amplifier
input tied to 10:1
attenuator
with
top
of
10:1
attenuator
tied
to
ground.
1 -V offset -X100 gain with amplifier in-
put tied to ground. Input attenuator of X1
gain.
1 V offset #1 -X10 gain with amplifier in-
put tied to ground. Input attenuator of X1
gain.
:
1 V offset #2 -X10 gain with amplifier in-
put tied to 10:1 divider. Top of divider
shorted to ground. Input attenuator at X14
gain.
1 V gain -X10 gain with amplifier tied to
40:1 divider with 10 V at the top of the
divider, Input attenuator at X gain.
Figure 8-B-1
Paragraph 8-24
Paragraph 8-27.
Paragraph 8-39
Paragraph 8-39
Paragraph 8-26
Paragraph 8-26
Paragraph 8-31
Figure 8-8-8
Paragraph 8-33
Figure 8-B-9
Paragraph 8-25
O|
Paragraph
5
Paragraph 8-30
Figure 8-B-12]
Paragraph 8-28
8-43
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Table of Contents
Troubleshooting
