Evaluation Engineering - 14

AEROSPACE TEST

baseband I and Q inputs. It is suitable
for a range of transducer simulation applications that make use of eddy-current,
inductive, and capacitive sensors. It is also
suitable for classic RF modulation tasks.
The carrier frequency can range from 500
kHz to 20 MHz.4

From components to I/O boards

CTT GaN narrow-band power amplifier.

decoys, data links, simulators, and commercial communications systems."
In related news, Anritsu recently added
real-time spectrum-analysis (RTSA) tools
for its Field Master Pro MS2090A handheld spectrum analyzer, which can measure the amplitude of a single spectrum
event as short as 2 µs and detect a single
event as minimal as 5 ns. Its ability to
more accurately detect intermittent interfering signals provides distinct advantages in a number of aerospace/defense,
satellite-system, and radar applications,
the company said.2 The Field Master Pro
MS2090A RTSA provides a continuous
stream of FFT measurements over a 110MHz analysis bandwidth, which enables
a 2.055-µs probability of intercept (POI).
In addition, Rohde & Schwarz recently
expanded the available frequency options
for its analog R&S SMA100B RF and microwave signal generator, offering now a
contiguous frequency range from 8 kHz up
to 72 GHz. "The instrument provides the
purest output signals while maintaining
the highest output power level, far outpacing the competitive solutions," said Simon
Ache, director of signal generation product management at Rohde & Schwarz, as
quoted in a recent report on signal generators.3 "It is capable of handling the most
demanding component, module, and system T&M tasks in the RF semiconductor,
wireless communications, and aerospace
and defense industries."
Highland Technology recently introduced a new member of its aerospace
simulation suite-the P348 midfrequency sinewave dual-channel quadrature
modulator instrument with C-coupled

14

EVALUATION ENGINEERING FEBRUARY 2020

"KRYTAR specializes in the design
and manufacture of ultra-broadband
mmWave, microwave, and RF components and test equipment for both
commercial and military applications,"
KRYTAR 10to 110-GHz
directional
coupler.

according to a representative from the
company's marketing department.
"KRYTAR products offer solutions for
many applications including EW, commercial wireless, SATCOM, radar, signal
monitoring and measurement, antenna
beamforming, and EMC testing environments." The KRYTAR product line
includes directional couplers, directional
detectors, 3-dB hybrids, matched-line directional dividers (MLDD), power dividers/combiners, detectors, terminations,
coaxial adapters, and a power meter. The
products cover the DC to 110.0-GHz frequency range.
Samtec focuses on radar, including
long-range discrimination radar (LRDR)
and phased-array radar; communications
(Manpack radio); and navigation, according to Brian Niehoff, technical marketing
engineer at the company. Specific products
include modified COTS solutions; Edge
Rate rugged, high-speed connector strips;
Razor Beam fine-pitch self-mating
connectors; Q-Strip high-speed
mezzanine connectors;
high-speed cable assemblies; and the FireFly Micro
Flyover System.

Russell Nieves, vice president of sales at
Acromag, said his company focuses on radar, avionics, and flightline test systems,
offering embedded computer technologies, including user-configurable FPGA
I/O modules. "We design and manufacture a diverse portfolio of COTS products that customers can use right from
the start," he said. "They are made in the
USA (Michigan), and we have been doing
this for over 60 years." Nieves continued.
"We see customers continually wanting to
upgrade speed and capacity for things like
data acquisition and video imaging. We
try to develop new products in a timely
fashion to meet these requirements."

Model-based design
MathWorks provides computing environments for engineers to analyze, simulate,
implement, and verify their complex logic
designs such as radar schedulers, flightcontrol algorithms, or SDR transceivers,
according to Albert Ramirez Perez, aerospace industry marketing manager at the
company. "Model-based design is used by
engineers to identify the optimal detailed
design," he said. "Using desktop simulation, failures can be identified earlier in
the process, avoiding costly project delays
and increased workloads."
Ramirez Perez continued, "Engineers
use MATLAB and Simulink families because the tools provide a wide range of
the most-commonly used algorithms and
techniques for designing complex logic
using numerical computations, not only
by executing individual test cases, but,
more importantly, allowing them to build
a set of test cases that covers the required
specification. Model-based design allows
engineers to focus most of their efforts on
maturing and optimizing the specifications, minimizing the requirements and
design errors and maximizing the test

Samtec FireFly extendedtemperature active optical
Micro Flyover System.
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Evaluation Engineering

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