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Find the Microsemi / Symmetricom / Datum bc420VXI at our
website: Click HERE
tel:2173529330mailto:[email protected]://artisantg.comhttps://www.artisantg.com/TestMeasurement/67946-1/Microsemi-Symmetricom-Datum-bc420VXI-RF-Pulse-Analyzerhttps://www.artisantg.com/TestMeasurement/67946-1/Microsemi-Symmetricom-Datum-bc420VXI-RF-Pulse-Analyzer
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GPS Time Tagged Data• 50 Nanosecond Resolution
Pulse Rate Interval MeasurementPulse Width MeasurementPulse
Carrier Frequency MeasurementVXIbus Form FactorSingle-Width C-Size
ModuleMessage-Based Command InterfaceDual Memory Eliminates
Contention and Provides High Sample RatesRegister-Based Data
Interface (Access Time < 200 nanoseconds/byte)Optional LabVIEW®
Software for Control, Acquisition and Analysis
FeaturesOverview
Datum’s new bc420/427VXI RF PulseAnalyzer is a breakthrough
product for thehigh data rate acquisition and analysis ofradar and
Electronic Intelligence, ELINT,signals in a compact VXI module
architec-ture. The bc420/427VXI measures andrecords Pulse Width,
PW, PulseRepetition Interval, PRI, and frequency ofa pulsed RF
input on a pulse-to-pulsebasis. The standard bc420VXI uses
anexternal 1 PPS reference input as the tim-ing source. The
bc427VXI adds an inter-nal GPS receiver module, providing a tim-ing
source that is directly traceable tointernational time standards.
Other RF
pulse analysis instruments can samplepulse parameters and
frequency, but notcontinuously. The bc420/427VXI, by virtueof its
state of the art DSP RF processingtechnology, offers a unique
capability ofacquiring PW, PRI, and frequency of allpulses, in real
time, continuously. Thisbreakthrough is especially valuable forthe
analysis of the doppler and agile puls-ing characteristics of
current generationradar and EW systems, where acquisitionand
analysis of ALL pulses is needed tocompletely characterize the test
or targetsystem.
The bc420VXI is supported with an option-al LabVIEW® control,
acquisition andanalysis virtual control panel applicationprogram.
Through this virtual controlpanel, all bc420VXI functionality can
becontrolled and RF pulse data can beacquired and stored in the
host computer.Statistical data is displayed on screen andoutput in
report form, as well as a near-real-time analysis of the data that
indi-cates PW, PRI, and frequency (the fre-quency in the
pulse).
VXIbus RF Pulse Analyzer
Artisan Technology Group - Quality Instrumentation ...
Guaranteed | (888) 88-SOURCE | www.artisantg.com
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UC
TSB
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DU
CTS
VM
E, VXI, PC
I, PC/A
VM
E, VXI, PC
I, PC/AT T/XT
/XT, Sbu
s, SBX
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s, SBX
Datum-TT&M • 34 Tozer Road • Beverly, MA 01915-5510 • Tel:
+1-978-927-8220 • Fax; +1-978-927-4099USA Toll Free: 1-800-544-0233
• Web: www.datum.com • E-mail: [email protected]
Specifications subject to change without notice.
Rev 4-04
Microwave InputsFrequency Range 100 MHz to 2 GHzInput Signal
Range -20 dBm to +20 dBmInput Return Loss >15 dBm
Pulse Width MeasurementsMinimum PW 1 µsMeasurement Accuracy ±5
nsMeasurement Resolution 1 ns
Pulse Repetition Interval MeasurementsMinimum PRI 100
µsMeasurement Accuracy ±50 nsMeasurement Resolution 10 ns
Frequency MeasurementsContinuous or Pulsed Microwave
SignalsFrequency Range 100 MHz to 2 GHzMeasurement Accuracy ±100
kHzMeasurement Resolution 10 kHz
Data StoragePulse Width, PRI, Frequency, and Time Tag for Every
PulseTime Tag Resolution 50 nanosecondsOn-Board Memory 128K bytes
(>2 sec
history at max PRI)
Power Requirements +5 VDC @ 2.5 A-5.2 VDC @ 1.2 A-2 VDC @ 2.0
A+12 VDC @ 150 mA-12 VDC @ 150 mA
Operating EnvironmentTemperature 0º C to 50º CHumidity 0 to 95%
(non-condensing)
Technical Description
The bc420VXI combines the functions of a frequencycounter and a
time-interval analyzer in a single-widthVXIbus instrument. It
processes a continuous or pulsed RFinput signal with a frequency
ranging from 100 MHz to 2GHz. A portion of the RF input is
processed in an envelopedetector and threshold comparator to create
a digitalpulse-shape waveform. In parallel, the RF input is
coupledto a high-speed frequency counter that counts the numberof
RF cycles within the pulse window. The digital pulsedoutput is
sampled in time-capture circuitry that measuresthe pulse width and
pulse repetition interval, PRI. In orderto process data at the rate
necessary for real-time meas-urement and storage, the bc420VXI
requires a dedicatedDigital Signal Processor, DSP. A Texas
InstrumentsTMS320F240 DSP provides real-time measurements of
thepulse width, PRI and frequency of input RF pulses withpulse
rates up to 10,000 pulses per second. The DSP alsoprovides
adjustable threshold and gain settings, on-linecalibration, time
tagging, and data storage of the measureddata. A phase-locked loop
is used to time-correct the on-board crystal oscillator with either
an external 1 PPS refer-ence or, in the bc427VXI, the GPS 1 PPS
clock. A VXIbusinterface chip set is used to interface the bc420VXI
to thehost computer for functional control, accessing GPS timecode
data and archiving pulse data. A dual-port RAM isused to
temporarily store pulse data that is read by thehost computer
through the VXIbus.
Model bc420/427VXI
LabVIEW®
• Control• Acquisition• Analysis
Specifications
Artisan Technology Group - Quality Instrumentation ...
Guaranteed | (888) 88-SOURCE | www.artisantg.com
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