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DSII is a dynamic and innovative company
specializing in the design and manufacture of sophisticated automated test and
measurement systems. DSII's test and measurement systems are used by leading
companies, governments and defense industries, to provide data security for
classified and other secured data processing, computer and computer networks,
modems, facsimile machines, etc. The products are suitable for testing wire and
wireless data communication and processing systems, operating at frequencies of
current high speed computers and microwave communication, such as K&X Band.
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EMI Test Measurement Receiver System
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Picture |
Model |
Features |
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DSI 600 Series
Model 600-02
20 Hz to
2.0 GHz
Model 600-04
20 Hz to
4.0 GHz
Model 600-12
20 Hz to
12.5 GHz
Model 600-27
20 Hz to
26.5 GHz
Model 600-40
20 Hz to
40 GHz
System includes the following:
■ CISPR, EN, ANSI, FCC Test Plan
Generator Software
■
MIL-461 Standard Software Test and
Auto Test Generator
■
Antenna Mast and Turntable Controller Software
■
Operators and Users Manual
■
One Year Warranty and Calibration
DSI-600 receiver is:
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Fully Compliant with CISPR 16-1
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Fully Compliant with MIL-STD 461E/462D
Compatible in the following
required test standards:
■
CISPR 25, Second Edition 2002-08
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CISPR 12, Fourth Edition 1997-05
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MIL-STD-461A-F
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RTCA DO-160A-F
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The DSI 600 EMI Test Measurement Receiver System is a step into the
future of fully compliant test capabilities integrated into a powerful
receiver technology coupled with the computational strength of the on
board computer which facilitates high speed data acquisition, an
enhanced spectral display module, and SCPI interoperability interface
all complemented by DSII’s EMIT software. IF/RF spectrum analysis & time
domain capabilities provide an all-in-one multi-functional resource
rapidly and accurately providing consolidated concise test results and
reports.
 Frequency Ranges of Operation
… to 2, 4, 12.5,
26.5 & 40 GHz
Receiver Measurement Accuracy
… state-of-the-art receiver technology, very low NF, 10dB typ.
Sensitivity
EMIT Test Suites
… fully compliant to CISPR 16-1,
FCC, ANSI, DO-160, EN, MIL-STD 461
Multiple detection modes
… peak, quasi peak, average, RMS
Powerful Embedded PC
… P3 processors to handle complex embedded algorithms
Display
… integrated 8.5” TFT color screen
GUI
… intuitive user-friendly interface
Interoperability
… standard SCPI compliant operation
Test Preparation / Report Generation
… powerful integrated test plan module annotated results files/graphs
for export
AC & DC Powered
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Model |
Frequency Range |
Noise Figure |
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600-02 |
20
Hz to 2 GHz |
<
12 dB |
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600-04 |
20
Hz to 4 GHz |
<
12 dB |
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600-12 |
20
Hz to 12.5 GHz |
<
12 dB |
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600-27 |
20
Hz to 26.5 GHz |
<
14 dB |
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600-40 |
20
Hz to 40 GHz |
<
27 dB |
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Specifications
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RECEIVER
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Measurement
Precision: |
+/- 2 db for SNR>
10 dB |
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Sensitivity
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Typically 10dB
above Johnson Noise |
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Receiver
Frequency Range: |
Model:
600-2 20 Hz
to 2GHz
600-4 20 Hz to 4.0 GHz
600-12 20 Hz to 12.5 GHz
600-27 20 Hz to
26.5 GHz
600-40 20 Hz to 40
GHz |
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Auto Ranging
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Attenuator and
programmable gain |
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RF Section
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Attenuation:
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0-70 dB in 6 dB
steps |
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IF Frequencies:
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1450 MHz, 550 MHz,
21.4 MHz |
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IF Bandwidths:
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13 bandwidths from
10Hz to 1Mhz |
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Hz |
Hz |
kHz |
kHz |
kHz |
MHz |
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10 |
100 |
1 |
10 |
100 |
1 |
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20 |
200 |
3 |
30 |
120 |
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50 |
500 |
9 |
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Noise Figure
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<12dB 20Hz to 20
kHz
<9dB 20Hz to
600MHz
<12dB 600MHz to
12.8 GHz
<14dB 12GHz to
27GHz
<27dB 27GHz to
40GHz |
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Detectors
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Peak, Quasi Peak,
Average, RMS |
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IF Impulse
Response |
Overshoot less
then 2% for BW < |
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RF Connector:
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Type N, 50 Ohms
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IF Center
Frequency |
21.4 MHz
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Input
Characteristics |
VSWR: Better then
2:1
Impedance: 50 Ohms
nominal
Max RF Input: 1
watt average CW
LO Leakage: Less
then –90 dBm |
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3rd order
intercept |
O dBm
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Spur Free
Dynamic Range |
Better than 60 dB
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Residual
Responses (Terminated Input) |
Less then –120 dBm
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IF Output level
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At least 10dBm
into 50Ohms |
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Band Selection
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Automatic
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IF Shape
Factors: |
Better than 4:1
(60 to 6dB) |
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Band Frequency
Ranges:
Band: 1
Band: 2
Band: 3
Band: 4
Band: 5
Band: 6
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20Hz To 150 kHz
150 kHz to15 MHz
15 MHz to 1 GHz
1 GHz to 2 GHz
2 GHz to 27GHz
27GHz to 40GHz
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Tuning
Resolution |
0.1Hz
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Receiver
Frequency Stability and Accuracy |
1 ppm after 30
minutes |
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Video/Audio
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Video Log
Dynamic Range |
At Least 70dB
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Video Outputs
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4 volts max (50
Ohms) |
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Video Bandwidth
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Not less then
bandwidth |
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Audio
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>1 Vms (8 Ohms),
flat 20Hz –250kHz |
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Power
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AC:
Line Voltage:
Power
Disipatation:
Frequency:
DC:
nvironmental / Mechanical
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117/230 VAC + 15%
120 Watts
50/60/400 Hz
24 VDC
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Weight: 40 Lbs
Cooling: Built
in low velocity fan
Mounting: Rack
mount |
Temperature Range:
+10C to 40C
Storage
conditions: -20C to +50C
Humidity Range: 0
o/o to 80 o/o |
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Automated
Commercial EMI Test Measurement System
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Picture |
Model |
Features |
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DSI-2020 System
1 kHz to
2.0 GHz
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Flexible: Precision sweeps and measurements for compliance tests,
spectrum analyzer displays for pre-compliance
Powerful: 1 kHz to 2.0 Ghz frequency range, low noise floor, wide
dynamic range, concurrent Peak, Q-peak, Average and RMS measurements
Productive: Preprogrammed tests for all EN and FCC requirements,
user created tests and test sequences, selectable report formats,
programmable Turntable and Mast positioning
User
Friendly: Windows environment, direct test selection, easily
generated custom tests, simple transducer table entry
Reliable: Hardware design proven with hundreds of units in field,
software developed from years of experience with automated testing
Compact,
light weight: May be combined with notebook, portable or desktop
computer |
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SPECIFICATIONS
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SYSTEM |
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Measurement Precision: |
+/- 2 db for SNR> 10 dB |
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Detection Modes: |
Simultaneous operation with
continuous graphical displays |
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Peak, Quasi peak, RMS,
Average |
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RECEIVER |
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Frequency Range: |
1 kHz to 2.0 GHz |
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Maximum signal level: |
0.5 watt |
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IF and Image Rejection: |
At least 80 dB |
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Spur-free Dynamic Range: |
Better than 60 dB |
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Frequency Stability: |
1 ppm per year |
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Auto-Ranging: |
Attenuator and programmable gain |
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Input Attenuator: |
0-70 dB in 10 dB steps |
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IF Frequencies: |
1450 MHz, 550 MHz, 21.4 MHz |
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IF Bandwidths: |
9 bandwidths from 100 Hz to 120
kHz |
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Hz |
kHz |
kHz |
kHz |
mHz |
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100 |
1 |
10 |
120 |
1 |
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200 |
3 |
30 |
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300 |
9 |
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IF Shape Factors: |
Better than 4:1 |
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Impulse Overshoot: |
100 Hz to 30 kHz, +/- 2%; 120
kHz +/- 10% |
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RF Connector: |
Type N, 50 Ohms |
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I/0: |
IEEE-488.2/IEC bus |
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Power: |
100 watts, 115/240 VAC +/- 10%,
50-60 Hz |
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Weight: |
40 lbs. (18 kg) |
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Cooling: |
Built-in low velocity fan |
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Mounting: |
Rack mount kit available |
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CONNECTORS AND CONTROLS |
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Front Panel: |
RF Input, type N |
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Rear Panel: |
Video, BNC, AC power,
IEEE-488.2, line voltage switch |
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Computer Optional |
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Automated Emissions & Surveillance
System
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Picture |
Model |
Features |
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DSI-110 System
1 kHz to
1.0 GHz
extendable to
100 Hz and 18 GHz
with converters
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The DSI-110 integrates either the R-110 or R-110B Receiver with a
sophisticated data acquisition and measurement software package and
off-the-shelf computer hardware to yield a powerful and versatile RF
measurement and reporting system.
The DSI-110 is ideally suited to a wide variety of signal measurement
tasks in either laboratory or field environments, including EMI/EMC
testing, RF instrumentation, spectrum surveillance, and remote signal
monitoring.
The
R-110 and R-110B receivers cover a wide frequency range (1 kHz to 1
GHz), permitting LF through UHF detection with a single receiver. Both
receivers feature excellent noise figure and dynamic range
characteristics, spur-free operation, and a large number of bandwidths
to facilitate signal capture in the presence of high ambient noise.
The system software operates in the Windows 3.1x environment; it is
exceptionally flexible and easy to learn and use. The software is mature
and is compatible with fixed and removable-cartridge disk drives,
printers, plotters, and other peripherals. Various ancillary software
routines are available which tailor the system to particular
applications, such as frequency management and spectrum surveillance.
The R-110 and R-110B receivers are designed to facilitate expansion, and
both accept plug-in modules to enhance their inherent capabilities. The
R-110B is fully augmented with wide-bandwidths, FM demodulator,
pulse-stretch and slideback, DVM display, and bandwidths in a 1:2:5
sequence. Ancillary units provide panoramic display, frequency extension
to 100 Hz and 18 GHz, and calibration with impulse and comb generators. |
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SPECIFICATIONS
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SYSTEM |
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Measurement Precision: |
For
SNR > 10 dB, 4 dB (uncalibrated), 2 dB with calibration sources |
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Sensitivity: |
Typically 10 dB above Johnson noise |
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Sweep Speed: |
60
steps per second (typ) |
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Self-test: |
Comprehensive start-up and pre-measurement checks |
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Documentation Preparation: |
Word
processor with graphics capture for annotation of recorded data |
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RECEIVER |
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Noise Figure: |
Less
than 13 dB (10 dB typical in midrange) |
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IF
and Image Rejection: |
At
least 80 dB |
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Spur-free Dyn. Range: |
Better than 60 dB |
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Frequency Stability: |
1
ppm per year |
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Autoranging: |
Selectable; uses 70 dB step attenuator and receiver gain |
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Frequency Range: |
1
kHz to 1 GHz (100 Hz with LFE Option, 18 GHz with microwave
downconverter) |
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Input Attenuator: |
0-70 dB for 10 dB steps |
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IF
Bandwidths: |
R-110: 26 selectable BW from 200 Hz to 15 MHz |
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(wide bandwidths to 200 MHz optional) |
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R-11OB: 33 BW from 200 Hz to 200 MHz |
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1:2:5 sequence (50 and 100 Hz with LFE) |
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DVM: |
Peak-hold: |
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100 MHz BW, 12 bit A/D-1
4-digit DVM display (R-110B) |
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IF
Outputs: |
1450
MHz, 21.4 MHz |
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Video Outputs: |
AM
Linear/Log, Z-axis; R-110B: Aux video with pulse stretch and slideback,
FM video |
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Audio: |
>1
Vrms; +3 dB, 20 Hz - 20 kHz |
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SSIU1
Spread Spectrum Identification/Detection Unit
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SSIU-1 Spread Spectrum
Identification/Detection Unit works in conjunction with the R-110B Wide
Range Receiver to detect and characterize a variety of spread spectrum and
digital communication emanations at negative received signal-to-noise
ratios. The SSIU-1 utilizes a proprietary analog signal processor to perform
the detection function, and the outputs of the unit may be displayed with
any RF spectrum analyzer. |
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Automated TEMPEST & EMI Test System
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Picture |
Model |
Features |
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DSI-1550A System
10 Hz to
1.0 GHz
extendable to
40 GHz
with converters
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The DSI-1550A is a PC based
automated receiving system that permits precision measurement, test and
analysis associated with surveillance, TEMPEST or EMI/EMC. Complete manual
and automatic receiver operation is provided, and user friendly software
allows straightforward access to and control of a suite of sophisticated
data reduction algorithms and displays. In addition to the standard DSI-1550
configuration, Dynamic Sciences offers an extensive library of software and
hardware accessories that will allow tailoring of a system to specific
applications.
Sales Restricted to
NATO Countries Only |
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SPECIFICATIONS
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FREQUENCY CHARACTERISTICS: |
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Frequency Range |
10 Hz to 1 GHz (40 GHz with optional down-converter) |
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Frequency Resolution |
0.1 Hz (1 MHz for Bandwidths 20 MHz or greater) |
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IF FILTERS: |
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Digital Filters |
1
Hz to 500 Hz in a 1-2-5 sequence |
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Skirt Selectivity |
<4:1 (60 dB to 6 dB) |
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Analog Filters,Linear Phase |
200, 250, 300, 400, 500, 640, 800 Hz 1, 1.3, 1.6, 2, 2.5, 3, 4, 5, 6.4,
10, 13, 16, 20 kHz |
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Skirt Selectivity |
<3:1 (60 dB to 6 dB) |
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Impulsive Response |
<12% Overshoot |
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Analog Filters,12 dB Gaussian |
50 Hz, 100 Hz, 50 kHz to 200 MHz in a 1-2-5 Sequence |
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Skirt Selectivity |
<4:1 (60 dB to 6 dB) |
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Impulsive Response |
<12% Overshoot |
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DETECTOR: |
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Demodulation Modes |
AM, FM, CW, (BFO), Log-AM |
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Outputs |
Separate AM/FM, Aux. Video and Axis |
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Video Bandwidth |
>0.5 X IF Bandwidth, automatically selected |
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Pulse Stretcher |
Variable .1 to 100 us |
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Slideback (Squelch) |
Continuously Adjustable |
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MEASUREMENTS ACCURACY |
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+/-2 dB over the entire measurement range of the receiver down to
signals at or near thermal noise (Johnson White Noise). |
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SPECIFICATION COMPLIANCE |
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Meets the requirements for automated testing to NACSIM 5100A and MIL-STD
461A,B,C,&D. |
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MEASUREMENT VERIFICATION |
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Measurement certainty is verified before and after every sweep using
built-in calibration sources. |
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CALIBRATION SOURCES |
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Separate low frequency and high frequency impulse calibration sources
provided. |
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Repetition Rate |
10 Hz, 100 Hz, 1 kHz<100 kHz, 1 MHz & Variable Rate Control between
decades |
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Trigger |
Single, External and Line |
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ANTENNA SWITCH |
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Five separate input ports are provided for each of the low and high
frequency section of the receiver for automatic selection of multiple
antennas or probes. |
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EXTERNAL TRIGGER |
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Trigger input allows triggering of the data acquisition to some external
event.
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Auto-ranging of gain and attenuation under computer control
during sweep tests to maximize resolution of signal measurements. This
feature may also be modified by the operator to establish minimum values
and reduce time to complete tests.
Automatic Calibration checking and comparison to factory
specifications. Prior to beginning a test, and during long tests, the
sweep may be paused by the system to perform accuracy verification tests
using the "built-in" calibrated impulse generator. (This feature uses
the DSI-1560 Interface Unit.)
Automatic System Sensitivity and ambient sweeps. The software
system contains a full complement of pre-programmed tests to verify
accurate operation of the system in all frequency ranges and bandwidths
over the full range of gain and attenuation. These tests can be fun in
"batch" mode and do not require operator attendance.
Graphic Display of sweep measurements in log or linear frequency
scales. Graphing of test results may be selected by the operator or left
in auto-scale where the system will fit the scale to the results. After
storing the sweep results, the graph can be re-scaled and re-plotted to
show any portion of the result on any scale selected by the operator.
Sweep Test Storage capability for the user to enter and store,
for future use, any number of frequency sweep tests with each test
containing up to twenty segments. The software directory structure is
also available to be modified by the operator to enable storing of
groups of tests together in the same folder. Test results may also be
handled in the same manner.
Automatic Transducer Switching during sweep tests. Transducer
selection is made at the time the test is constructed. Any number of
transducers may be contained in the transducer file. Up to twenty
correction files may be applied to a single transducer, and are applied
automatically during the test for the transducer selected. Up to five
transducers may be connected to the system at one time, and are selected
at the appropriate test segment without operator intervention.
Paused Sweep Mode allows the operator to assume control during a
sweep test for a closer examination of specific frequencies of interest.
The Sweep Test may be continued at any time with no loss of information.
While the test has been paused, the following sub-modes are available:
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Local: The operator has local
control of the receiver parameters, such as gain, attenuation,
bandwidth, etc.
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Interactive: The computer is still
controlling the receiver, but the operator has manual control of the
parameters via the screen and may sweep up, down, or dwell at any
frequency point to examine signal strength vs. time or operating mode.
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Data-Logging: This mode allows
comparison measurements of the received signal to three types of
signal generator developed signals: CW, AM/CW, and Impulsive. The data
may be recorded in the system data-log for future reporting.
Reports Any Sweep Test Results file which has been stored
during testing may be recalled in the Reports function. The data may be
re-scaled, cropped to a specific area, and displayed with or without
limit lines for report output to a file, plotter, or printer. Graphs may
be stored as a bitmap file for later import to a word processor
document.
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MEASUREMENTS BELOW RECEIVER NOISE
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Noise Level: |
The noise level of the receiver is a function of frequency and
bandwidth. The typical noise figure of the R-1550A is 10 dB, and ranges
from 7 dB at 10 MHz to approximately 10 dB at 1 GHz, with the
pre-selector on.
The DSI-1550 system can measure signals well below that level. A noise
correction is applied to the measurement based on the known noise
characteristics of the receiver. This measurement algorithm allows the
system to measure signals accurately down to near thermal noise. |
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