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Introducing the Instrument
The HP 83480A, HP 54750A—At a Glance
The HP 83480A, HP 54750A—At a Glance
The HP 83480A-series digital communications analyzers or HP 54750A-series
digitizing oscilloscopes are modular, high-performance mainframes that con-
tain digitizers, timebases, and display circuitry behind vertical channel plug-in
modules containing samplers, IF amplifiers, power monitoring circuitry and
O/E converter (HP 83485A).
The HP 83480A-series digital communications analyzers include these unique
capabilities:
• A full range of custom and standard telecom and datacom masks and tem-
plates with automated conformance and margin testing.
• Automated extinction-ratio and q-factor measurements.
• The ability to set the timebase display to bit period, select the appropriate
telecom bit rate, and enter the number of bits to be displayed.
If you wish to add these capabilities to an HP 54750A-series digitizing oscillo-
scope, or use the HP 83485A optical plug-in module, a firmware upgrade must
first be installed. Order the HP 83480K communications firmware kit and fol-
low the installation instructions.
NOTE
The HP 83480A and HP 54750A mainframes do not accept plug-in modules designed for
use with the HP 54710A and HP 54720A.
The instrument also has software modularity by having a 3-1/2 inch disk drive
and flash ROMs to allow for simple firmware upgrades of the firmware fea-
tures.
The plug-in modules provide optical and electrical signal conditioning for the
A/D converters that are inside the mainframe.
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