Complete Calibration Summary - HP 83487A User Manual

Table 3-4. Complete Calibration Summary (1 of 3)
Calibration What is calibrated
Mainframe Calibration Accuracy and
continuity of the
timescale
O/E Factory The photodetector
Wavelength responsivity
Calibration
O/E User Wavelength The photodetector
Calibration responsivity
Plug-in Vertical Vertical offset and
Calibration vertical scale accuracy
for both electrical and
optical channels.

Complete Calibration Summary

Measurements
Affected
Channels affected:
optical & electrical. All
time base
measurements such
as rise time, fall time,
eye width, and jitter.
Channels affected:
optical. Amplitude
accuracy of all optical
channel
measurements.
Optical power meter
accuracy.
Channels affected:
optical. All optical
channel
measurements at user
wavelengths.
Channels affected:
optical & electrical.
Any optical or
electrical vertical
measurements such
as V p to p , eye height,
extinction ratio, and
the optical power
meter
Complete Calibration Summary
Recommended
Key Path
Interval
Annually at HP service Utility
center or if operating Calibrate
temp has changed and Calibrate frame
remains 5°C or more
from calibration
temperature. See
service manual.
Annual factory re-
Not user accessible.
calibration of standard
wavelengths.
Annual re-calibration Optical Channel Setup
of user defined non- Calibrate
factory wavelengths O/E Cal
Perform after any Utility
power cycle or once Calibrate
every 10 hours during Calibrate Plug-in
continuous use or if
operating temperature
changes by more than
2°C.
Calibration Overview
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