Agilent E1428A
1 GSa/s VXI Oscilloscope
Data Sheet
• 1-Slot, C-size, message based
• 250 MHz bandwidth, 2 channels
• 1GSa/s maximum sample rate
• Fast throughput with 1MB shared RAM
• Automatic pulse parameter measurements
• Recommended for transient signals
The SCPI language is available for users who are more
familiar with SCPI. Not all of the complex triggering
capabilities of the 54510A and E1428A are implemented in the
SCPI language.
Refer to the Agilent Technologies Website for instrument
driver availability and downloading instructions, as well as for
recent product updates, if applicable.
Agilent E1428A
Description
The Agilent E1428A Digitizing Oscilloscope is a C-size,
1- slot, message-based VXI module. It has two channels
with each channel containing an 8-bit A/D, and 8,000 point
memory to simultaneously capture at up to 1 GSa/s. This
preserves the timing correlation of both channels without a
reduction in sample rate.
For fast capture of many waveforms, the E1428A offers
sequential single-shot mode which internally stores
successive waveforms rapidly. The memory can be optimized
for acquisition speed or capacity. There are 100 K-words of
internal RAM or 500 K-words of shared RAM for segment
storage.
The E1428A comes with both the SCPI command set and an
Agilent 54510A-compatible command set. The compatible
language provides a use model where programs can be
developed using the 54510A bench oscilloscope. Using the
54510A provides direct visual feedback to the programmer
during program development. Once programs have been
developed on the 54510A, they can be run on the E1428A with
only minor modifications.
E1428A Features
Built-in Automatic Test Features
The user can choose from a variety of powerful measurement
features that are built into the E1428A, thus simplifying test
program development and improving test times.
Nineteen automatic pulse parameter measurements are
available in the box, freeing the controller from these
calculations. These measurements conform to IEEE
definitions. Maximum and minimum statistics on the values of
these measurements are also accumulated.
The following measurements are made at user-defined
thresholds or at the 10/90% or 50% voltage thresholds, as
defined by IEEE Std 194-1977: rise time, fall time, frequency,
period, +pulse width, –pulse width, duty cycle, delay, volts
ampl, volts base, volts top, volts p-p, volts avg, volts max,
overshoot, preshoot, volts min, Vac rms, Vdc rms.
GO/NO-GO testing is provided by another built-in feature:
Measurement Limit Test lets the user set upper and lower
limits on any of the module’s automatic measurements. If
limits are exceeded, the violating waveform and its data can
be stored or transferred to the controller.
In addition to the measurement limit test for GO/NO-GO
testing, the E1428A provides built-in waveform compare test.
With this feature,
stored template.
a live signal can be compared against a
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Shared RAM On Board Eliminates Bus Transfer
Time
1 MB of shared RAM allows storage and retrieval of waveform
data as well as direct access to that data by the VXI controller
or other instrument modules. Since the controller operates
directly on the data in shared RAM, bus transfer of waveforms
can be eliminated. Up to 45 milliseconds of bus transfer time
can be saved.
Choice of Two Command Sets
• SCPI Command Set—Based on the industry standard SCPI
definitions for instrument programming.
• 54500-Compatible Command Set—Program the E1428A like
the 54510B bench oscilloscopes.
Advanced Logic Trigger
Agilent’s advanced logic triggering can be used to trigger on
glitches as well as a wide variety of user specified conditions.
You can trigger on edge, pattern, time-qualified trigger, state,
or trigger-after-delay to capture such elusive events as timing
violations or infrequent bus phenomena. Using the built-in TV
trigger, you can select line and field for a variety of video
waveforms. And you can use the E1428A’s ability to send and
receive VXI backplane triggers to combine the power of
multiple VXI instruments.
Probes
The E1428A is compatible with the 54510B benchtop
oscilloscope. Therefore, probes for the benchtop oscilloscope
work with the VXI oscilloscope. Refer to the Agilent Test and
Measurement catalog for probe ordering information.
E1428A Product Specifications
Specifications valid for temperature range ± 10 °C from software calibration temperature with eight or more averages selected.
Bandwidth (–3 dB),
repetitive: DC to 250 MHz
Bandwidth (–3 dB), singleshot: DC to 250 MHz
Maximum sample rate: 1 GSa/s (simultaneously on both ch.)
Waveform record length: 8,000 points (real time)
Number of inputs: 2 simultaneous acquisition inputs,
Output BNC(s): Probe comp, Cal, Trigger out
Vertical sensitivity range: 8 mV to 40 V full scale
Vertical gain accuracy
(DC): ± 1.25% of full scale
Vertical resolution: ± 0.4% (8 bit A/D)
Input R (selectable): 1 MΩ or 50 Ω
Input C: 7 pF nominal
Input coupling: AC, DC
Maximum input voltage: 1 MΩ: ± 250 V
Offset accuracy: ± (1% of channel offset, + 2% of full scale)
Offset range: Up to ± 250 V
Time base range: 10 ns to 50 s full scale
Delta-t accuracy,
repetitive:
Delta-t accuracy, singleshot:
Time base resolution: 20 ps
Minimum trigger pulse
width:
VXI backplane triggering: ECL
Number of instrument
setups: 48
VXI shared memory,
amount: 1 MB
500 points (repetitive)
1 external trigger input
(Note: E1428A has 2 acquisition inputs, both
with 1 GSa/s A/D converters, so both
repetitive and single-shot acquisitions are
taken on both input channels simultaneously.)
± 0.1% (10 bits with averaging)
50 Ω: 5 V rms
-6
± (0.005% x delta-t + 2
150 ps) for ≥8 averages
± (0.005% x delta-t + 2
150 ps)
Internal: 1.75 ns
External: 2.8 ns
x delay setting +
-6
x delay setting +
2
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General Specifications
VXI Characteristics
VXI device type: Message based
Size: C
Slots: 1
Connectors: P1/2
Shared memory: Yes
VXI busses: ECL Trigger Bus
C-size compatibility: n/a
Module Current
I
PM
+5 V: 1.93 0.09
+12 V: 0.8 0.08
–12 V: 0.09 0.01
+24 V: 0.03 0.01
–24 V: 00
–5.2 V 00
–2 V: 00
I
DM
Instrument Drivers
See the Agilent Technologies Website (http://www.agilent.com/find/
inst_drivers) for driver availability and downloading.
Command module
firmware: n/a
Command module
firmware rev: n/a
I-SCPI Win 3.1: n/a
I-SCPI Series 700: n/a
C-SCPI LynxOS: n/a
C-SCPI Series 700: n/a
Panel Drivers: Yes
plug&play
VXI
Framework: Yes
plug&play
VXI
Framework: Yes
VXI
plug&play
Framework: No
Win
Win 95/NT
HP-UX
Cooling/Slot
Watts/slot: 30.00
∆P mm H
Air Flow liter/s: 2.40
O: 0.30
2
Ordering Information
Description Product No.
1GSa/s Digitizing Oscilloscope E1428A
3 Yr. Retn. to Agilent to 1 Yr. OnSite Warr. E1428A W01
Oscilloscope User’s Guide E1428-97001
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Related Literature
2000 Test System and VXI Catalog CD-ROM,
Agilent Pub. No. 5980-0308E (detailed specifications for VXI products)
2000 Test System and VXI Catalog,
Agilent Pub. No. 5980-0307E (overview of VXI products )
1998 Test System and VXI Products Data Book,
Agilent Pub. No. 5966-2812E
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Data Subject to Change
©Agilent Technologies 2000
Printed in the U.S.A. 04/2000
Publication No.: 5965-5581E
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