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143
B
Performance, Calibration, and Configuration
Introduction
This appendix contains test procedures to verify that the dc source is operating normally and is within
published specifications. There are four types of tests as follows:
Built-in Self Tests
These tests run automatically when the dc source is turned on. They check most of the
digital circuits and the programming and readback DACs.
Turn on Checkout
These tests, described in chapter four, provide a high degree of confidence that your unit
is operating properly.
Calibration
These tests verify that the dc source is properly calibrated.
Performance Tests
These tests check that the dc source meets all of the specifications listed in Appendix A.
NOTE: If the dc source fails any of the tests or if abnormal test results are obtained, return the
unit to an Agilent Technologies repair facility.
This appendix also includes calibration procedures for the Agilent 66319B/D, 66321B/D Mobile
Communications DC Sources. Instructions are given for performing the procedures either from the front
panel or from a controller over the GPIB.
IMPORTANT: Perform the calibration verification before calibrating your dc source. If the dc source
passes the verification procedures, the unit is operating within its calibration limits and
does not need to be re-calibrated.
The configuration procedure documented at the end of this appendix lets you customize the power-on
(*RST) default settings of the dc source. This lets you customize the power-on settings of the dc source
to a specific application without always having to reconfigure the instrument each time power is applied.
Equipment Required
The equipment listed in the following table, or the equivalent to this equipment, is required for the
calibration and performance tests. A test record sheet with specification limits (when test using the
recommended test equipment) may be found at the back of this section.
Table B-1. Equipment Required
Type Specifications Recommended Model
Digital Voltmeter Resolution: 10 nV @ 1V; Readout: 8 1/2 digits
Accuracy: 20 ppm
Agilent 3458A or
equivalent
Current Monitor
15 A (0.1 ohm) 0.04%, TC=5ppm/°C
Guildline 9230/15
Load Resistor
(3 W min. TC=20ppm/°C)
400Ω (verification)
800Ω (calibration)
p/n 0811-0942
p/n 0811-0600
Electronic Load 20 V, 5 A minimum, with transient capability and a
a slew rate of 833kA/s or better.
Agilent N3300A mainframe,
with N3303A module