E2625A Datasheet, PDF (5/8 Pages) Agilent(Hewlett-Packard) – Communication Mask Test Kit

“Isolated ones” triggering
In some communication
standards, it is necessary to
isolate a pulse for mask testing
to eliminate intersymbol
interference caused by adjacent
pulses. Infiniium’s E2625A
Communications Mask Test Kit
makes this easy through the use
of “isolated ones” triggering for
pulse mask templates, eliminating
the need for sophisticated pattern
generators. When you load
in a pulse mask, Infiniium
automatically sets up the
trigger to capture an “isolated
one” pattern as defined by
the particular communication
standard.
Connecting to your device under test
Product compliance testing
requires proper connection
to your communications
device. Included in the E2625A
Communications Mask Test Kit
is a set of electrical termination
adapters and adapter cables to
ensure convenient, reliable, and
accurate connections to your
device under test. The kit also
includes system performance
accessories and the Mask Template
Library software—all packaged in
a protective, hard-shell case.
E2621A 100/110/120-ohm
differential termination adapter
The E2621A ac-coupled, balanced
adapter is included in the E2625A
Communications Mask Test Kit.
The E2621A allows connection
to differential communications
signals by terminating the signal
into 100, 110, or 120 ohms. It
also adapts various connector
styles (i.e., bantam, RJ48C, and
Siemens) to the oscilloscope’s
50-ohm
BNC input. You can select the
termination impedance using the
built-in three-way switch. The
Infiniium AutoProbe interface
allows the oscilloscope to
recognize the E2621A and read
the termination switch setting.
Furthermore, Infiniium will
flag you when the switch setting
differs from the standard’s
required termination impedance.
The E2621A complies with the
following ANSI T1.102 and ITU-T
G.703 standards:
DS1
DS1A
DS1C
DS2
E1
(1.544 Mb/s)
(2.048 Mb/s)
(3.152 Mb/s)
(6.312 Mb/s)
(2.048 Mb/s)
Bandwidth (-3dB)
Rise Time
Attenuation
<10 kHz to >100 MHz
<3.5 ns
5X (–14 dB) ± 3%
(50 kHz to 30 MHz)
E2622A 75-ohm termination adapter
The E2622A is also included in
the Communications Mask Test
Kit. The E2622A dc-coupled,
unbalanced adapter allows
connection to single-ended
signals by terminating the signal
into 75 ohms. Various BNC
adapters can be attached to its
input. The Infiniium AutoProbe
interface allows the oscilloscope
to recognize the E2622A and
automatically configure itself.
The E2622A complies with the
following ANSI T1.102 and ITU-T
G.703 standards:
DS3
DS4NA
STS1
STS3
STM1E
E1
E2
E3
E4
(44,736 Mb/s)
(139.264 Mb/s)
(51.840 Mb/s)
(155.520 Mb/s)
(155.520 Mb/s)
(2.048 Mb/s)
(8.448 Mb/s)
(34.368 Mb/s)
(139.264 Mb/s)
Bandwidth (-3dB) <1 GHz*
Rise Time
<350 ps
Attenuation
5X (–14 dB) ± 1.5%
* Full bandwidth only achievable with the 54832B/D,
54833A/D, 5484xA/B and 5485xA oscilloscopes
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