Appendix B: Specification
TDS 620 & TDS 640 User Manual
AĆ17
This subsection lists the
warranted characteristics that describe the
TDS 600 Digitizing Oscilloscopes. (Characteristics that differ according to
model or apply only to one model are preceded by the appropriate model
number, TDS 620 or TDS 640.) Electrical and environmental characteristics
are included.
Warranted characteristics
are described in terms of quantifiable performance
limits which are warranted.
NOTE
In these tables, the warranted characteristics that are checked in
the Performance Verification manual, appear in boldface type
under the column Name.
Performance Conditions
The electrical characteristics found in these warranted characteristics
apply
when the oscilloscope has been adjusted at an ambient temperature between
+20
_
C and +30
_
C, has had a warm-up period of at least 20 minutes, and is
operating at an ambient temperature between 0
_
C and +50
_
C (unless other-
wise noted).
Table A-14: Warranted Characteristics — Signal Acquisition System
Name
Description
Accuracy, DC Gain
3
.5%. At 1 mV/div
2.0%
Accuracy, DC Voltage Measurement,
Averaged
3
Measurement Type
Average of
16 waveforms
Delta volts between any two
averages of
16 waveforms
2
DC Accuracy
DC Gain
|
Reading –
Net Offset
1
| + Offset
Ac 0.06 div)
DC Gain
|Reading| + 0.1
div + 0.3 mV)
Accuracy, Offset
3
Volts/Div Setting
1 mV/div – 99.5 mV/div
100 mV/div – 995 mV/div
1 V/div – 10 V/div
Offset Accuracy
|Net Offset
1|
+ 1.5 mV
+ 0.6 div)
|Net Offset
1|
+ 15 mV
+ 0.6 div)
|Net Offset
1|
+ 150 mV + 0.6 div)
1
Net Offset = Offset – (Position x Volts/Div). Net Offset is the voltage level at the center of the A-D converter’s dynamic range.
Offset Accuracy is the accuracy of this Voltage level.
2
The samples must be acquired under the same setup and ambient conditions.
3
To ensure the most accurate measurements possible, run an SPC calibration first. When using the TDS 620 and/or TDS 640
Digitizing Oscilloscope at a Volts/Div setting of
5 mV/div, an SPC calibration should be run once per week to ensure that
instrument performance levels meet specifications.
Warranted
Characteristics
Содержание TDS 620
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