Tektronix TDS 820, Manual

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Appendix C: Performance Verification
TDS 820 Performance Verification
1Ć11
Performance Tests
This subsection contains a collection of procedures for checking that
TDS 800 Digitizing Oscilloscopes perform as warranted.
The procedures are arranged in three logical groupings: Signal Acquisition
System Checks, Time Base System Checks, and Triggering System Checks.
They check all the characteristics that are designated
as checked in
Section 1, Specification. (The characteristics that are checked appear in
boldface type under Warranted Characteristics in Section 1.)
These procedures extend the confidence level provided by the basic
procedures described on page 1-1. The basic procedures should be
done first, then these procedures performed if desired.
Prerequisites
The tests in this subsection comprise an extensive, valid confirmation of
performance and functionality when the following requirements are met:
H
The cabinet must be installed on the digitizing oscilloscope.
H
You must have performed and passed the procedures under
Self Tests,
found on page 1-3, and those under Functional Tests, found on page 1-5.
H
A signal-path compensation must have been done within the recom-
mended calibration interval (after the prerequisite warm-up period listed
below) and at a temperature within
_
C of the present operating tem-
perature. (If at the time you did the prerequisite Self Tests, the tempera-
ture was within the limits just stated, consider this prerequisite met.)
H
The digitizing oscilloscope must have been last adjusted at an ambient
temperature b20
_
C and +30
_
C, must have been operating for
a warm-up period of at least 20 minutes, and must be operating at an
ambient temperature between 0
_
C and +50
_
C. (The warm-up require-
ment is usually met in the course of meeting the first prerequisite listed
above.)
Related Information
— Read
General Instructions and Conventions that
start on page 1-1. Also, if you are not familiar with operating this digitizing
oscilloscope, read
General Operating Instructions in Section 2 before doing
any of these procedures.
Related Information
—Read General Instructions and Conventions that
start on page 1-1. Also, if you are not familiar with operating this Digitizing
Oscilloscopes, read
At a Glance in Section 3 before doing any of these
procedures.