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 Electromagnetic
Compatibility Research (EMCR) Section
The Electromagnetic Compatibility Research (EMCR) Section in
the Mechanical and Materials Engineering Division provides technical consultation and analyses on
the electromagnetic compatibility (EMC) for a wide range of electronic devices.
Electronics in applications for vehicles (component and whole-vehicle),
telecommunications, medical devices, avionics, information processing, electro-explosive
devices (EEDs) such as automotive air-bag initiators, satellite systems and subsystems,
military ships (surface and subsurface), and radio transmitters and receivers. The EMCR
Section has capabilities and experience in numerical analysis and simulation for
electromagnetic compatibility applications. The staff use theoretical analytical
techniques such as:
- Finite difference time domain (FDTD) modeling
- Method of moments (MoM)
- Partial element equivalent circuit (PEEC)
- Pade via lanczos (PVL) algorithms
- Statistical methods
The EMCR Section can perform analyses on circuit boards,
transmission-line interconnects, cross talk modeling of wire harnesses, shielding
effectiveness, wave guides and transmission line modeling. These techniques are also
useful for analyzing antenna cosite and electronic equipment colocation issues. The EMCR
is accredited for ISO Guide 25, and EN 45001, as well as registered for ISO 9002 by the
American Association of Laboratory Accreditation (A2LA) for EMC design, testing, and
analyses. Its staff are certified EMC engineers and technicians accredited by the National
Association of Telecommunications and Electrical Engineers (NARTE). The scope of
accredited test methods and standards include the automotive, European Community
(CE-Mark), FCC, CISPR, IEC, and ISO standards for the tests listed below.
- Radiated immunity (EMI) and emissions (EME) anechoic chamber
- Conducted immunity and emissions
- Electrostatic discharge (ESD)
- Fast transient burst
- Automated stirred-mode radiated immunity
- Automated stirred-mode radiated emissions
- Automated tri-plate-line immunity
- Automated bulk-current-injection (BCI) immunity
- Surge voltage
- Automated RF direct injection
- Helmholtz coil
- Transverse electromagnetic (TEM) cell
- Voltage variation immunity
- EMCR open area test site (OATS)
The EMCR laboratory is equipped with eight shielded enclosures
which includes an RF anechoic chamber and large shielded enclosure (20' x 30' x 12'). It
has radiated and conducted emissions detection and measurement equipment as well as HP
85864C software. For radiated emissions, the EMCR section has detection capability from 9
kHz to 110 GHz for electric (E) field and 30 Hz to 100 kHz for magnetic (H) fields.
Radiated immunity E-field from 9 kHz to 1.0 GHz up to 200 V/m, and from 1 to 18 GHz at 50
V/m. Other capabilities include electrostatic discharge (ESD), electric fast transients,
customized transient waveforms, EMP, H-field generation, and lightning transients. It has
an FCC listed open area test site (OATS) that has a 10 x 30 meter ground plane with a 4
meter diameter (supports 13,500 lbs.) flush mount turntable within a 150 meter ellipse.
To learn more about electromagnetic compatibility
research at SwRI, visit our site at emcr.swri.org.
Eric Dornes, Principal Engineer
Technical strengths and contacts in the section include:
Product
Assurance
Structural and
Mechanical Engineering
Department
Mechanical and Materials Engineering
SwRI Technical Divisions
 SwRI Home
October 27, 2008
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