LDC-3926339
67
C H A P T E R
5
C
ALIBRATION
AND
T
ROUBLESHOOTING
This chapter describes calibration of the LDC-3926339 module. Descriptions of
the required test instruments, calibration conditions, and detailed procedures for
calibrating the current sources are included. A troubleshooting guide is also
offered for some of the more common failure symptoms.
ILX Lightwave Corporation provides in-house and on-site calibration services for
ILX instruments. Most ILX instruments require yearly calibration to ensure
performance to published specifications. ILX factory calibrations employ NIST
traceable measurement instrumentation, and our calibration engineers and
technicians use automated test equipment to accurately and efficiently capture
and record calibration data. An original certificate of calibration authenticity is
provided with all instrument calibrations, and a detailed report showing any pre-
calibration out-of-tolerance conditions is available upon request. Calibration turn-
times are normally five business days or less. On-site calibrations can be
performed around your production schedule, night or day, seven days a week.
Please contact ILX Customer Support (see page
xii
for contact information) for
additional calibration information.
For further assistance with technical solutions and troubleshooting, visit the
www.ilxlightwave.com Support page (ilx.custhelp.com), and the Library page
(www.ilxlightwave.com/library/index.html) for Application Notes and Technical
Notes.
Calibration
There are several calibrations required to completely calibrate the module. The
calibration consists of calibrating the current source, the photodiode monitor
feedback ammeter, and the forward voltage measurement. The current limits are
calibrated internally by the instrument, using measurements supplied by the user,
as part of the calibration process.
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