•
•
•
Performance
Conditions
Warranted Characteristics
This subsection lists the various warranted characteristics that describe the
TAS 475 and TAS 485 Analog Oscilloscopes. Included are electrical and
environmental characteristics.
Warranted characteristics are described in terms of quantifiable performance
limits which are warranted. This subsection lists only warranted
characteristics. A list of
typical characteristics starts on page 1-17.
NOTE
In these tables, those warranted characteristics that are checked in
the
Performance Verification procedure, found in Section 4, appear
in
boldface type under the column Name.
The electrical characteristics found in these tables
of
warranted characteris-
tics
apply
under
the following conditions:
• The oscilloscope has been adjusted at
an
ambient temperature between
+20
0
C and
+30
0
C
•
A warm-up period
of
at least 20 minutes has occured
• The operating temperature is between
-10
0
C and +550 C (unless
otherwise noted)
• The Temperature Compensation Calibrations (signal path compensa-
tion) have been performed
Table 1-10: Warranted Characteristics - Vertical Deflection System
Name
Input Impedance,
DC Coupled
Variable Range
DC Gain Accuracy
TAS
475
and TAS 485 Service Manual
Description
1 MO
±1%
in
parallel with 20 pF
±2.0
pF.
Increases deflection factor by
~
2.5:1.
The limits are as follows:
Condition
-10
0
C
to
+15
0
C and
+35
0
C
to
+550 C
Accuracy
±2.5%
over the center 5 divi-
sions after signal path compen-
sation.
±3.5%
over the center 5 divi-
sions after signal path compen-
sation.
1-9
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