System Design and Engineered Integration

We provide specialized full-spectrum (0 Hz- 300 GHz) electric and magnetic field (EMF) and electromagnetic compatibility (EMC) EMF consultation services in the areas of system design, engineering and integration. Vitatech has extensive experience recording, reviewing and interpreting EMF/EMC site survey/measurement data, shielding performance testing (IEEE-STD-299), EMF/EMC standards/policies (including MIL-STD & NSA compliance) and various EMF human exposure standards emanating or radiating from:

  • Static DC EMF source (geomagnetic, subways, MRIs, NMRs, etc.)
  • AC ELF (extremely low frequency) SMF sources (power lines & equipment)
  • VLF (very low frequency) and LF (low frequency) EMF sources (CRT monitors)
  • RF (radiofrequency) EMF sources (mobile, marine, UHFVHF, cell/PCS, radar)
  • EMP (electromagnetic pulse) & HEMP (high-altitude electromagnetic pulse)
  • PQ (power quality) electrical sources (harmonics, voltage/ current surges, etc.)

We translate EMF and EMC system design concepts and/or shielding performance requirements into detailed engineered plans and specifications, models the proposed system/shielding design, and implements EMF/EMC simulations to evaluate the performance assessment and compliance objectives using the following tools:

  • EMF simulations of electrical systems including transmission/distribution lines, transformers, switchgears, busways, risers, conduits, panels, subways/trains.
  • RF modeling of antenna patterns, electric field strength profiles of marine, mobile, pagers/cellular/PCS, AM/FM, UHF/VHF, microwave & radar antennas.
  • EMC measurement protocols & assessments in compliance with standards:
    • MIL-STDs-449, -461, -462, -463, -464, -1472, & -2169
    • MIL-HDBKs-235, -237, -240 & -454 & MIL-EP-1110-3-2
    • NSTISSAM TEMPEST/1-92, NSTISSAM TEMPEST/1-93
    • IEEE-STD-299 (replaced MIL-STD-285 for shielding performance testing)
  • EMC performance in compliance with standards:
    • MIL-STDs-188-124 & -188-125 and MIL-HDBKs-419 & -423
    • NSA 65-5, NSA 65-6, NSA 73-2A & NSA 94-106
  • EMI/RFI threshold standards minimizing impact on electronic equipment, telemetry & diagnostic systems, communication systems, computers & CRT monitors, servers and IT networks, scientific research instruments, etc.
  • EMF human exposure/risk assessment standards for government and military personnel, contractors and visitors based upon: ACGHI, NCRP, IRPA/INIRC, OSHA, WHO and the FCC OET Bulletin 65 Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields.
  • IEEE, N.E.C. & N.E.S.C. electrical standards and Power Quality (PQ) criteria.

Vitatech provides a cost-performance analysis matrix of the project/program based upon the various design criteria objectives and simulated performance assessments. We integrate the various components with the required EMF/EMC performance specifications to produce by fabrication and construction a working prototype, model, partial- or fully-enclosed shielded room, building or mobile unit as follows:

  • Magnetic Shields (0 Hz – 100 MHz up to -80 dB attenuation) – geomagnetic/static and time-varying DC, AC ELF (electric power), VLF/LF (CRT’s) to RF
  • Electric Field & RF Shields (0 Hz – 300 GHz up to -200 dB attenuation) – geomagnetic/static DC, AC ELF (power), VLF/LF to RF/microwave and higher
  • MRI, NMR, SQUID, Medical & Scientific Shielding Systems – high performance
  • EMP/HEMP Hardening & Shields – optional light-weight aluminum systems
  • SCIFs & TEMPEST Shields for buildings & special equipment
  • Active/Passive Magnetic Field Cancellation Systems – small & large areas
  • Filtering Systems — EMI/RFI, Harmonic and Zero-Sequence Systems

During the system design and integration of a project/program, we maintain firm configuration and document controls, aggressively manage subcontractors ensuring cost-containment, prepare and deliver detailed engineered design packages with maintenance and operational manuals, offer comprehensive on-site training programs and issue shielding performance guarantee certificates when Vitatech designs, fabricates, installs, constructs and tests shielding systems.We translate EMF and EMC system design concepts and/or shielding performance requirements into detailed engineered plans and specifications, models the proposed system/shielding design, and implements EMF/EMC simulations to evaluate the performance assessment and compliance objectives using the following tools:

  • EMF simulations of electrical systems including transmission/distribution lines, transformers, switchgears, busways, risers, conduits, panels, subways/trains.
  • RF modeling of antenna patterns, electric field strength profiles of marine, mobile, pagers/cellular/PCS, AM/FM, UHF/VHF, microwave & radar antennas.
  • EMC measurement protocols & assessments in compliance with standards:
    • MIL-STDs-449, -461, -462, -463, -464, -1472, & -2169
    • MIL-HDBKs-235, -237, -240 & -454 & MIL-EP-1110-3-2
    • NSTISSAM TEMPEST/1-92, NSTISSAM TEMPEST/1-93
    • IEEE-STD-299 (replaced MIL-STD-285 for shielding performance testing)
  • EMC performance in compliance with standards:
    • MIL-STDs-188-124 & -188-125 and MIL-HDBKs-419 & -423
    • NSA 65-5, NSA 65-6, NSA 73-2A & NSA 94-106
  • EMI/RFI threshold standards minimizing impact on electronic equipment, telemetry & diagnostic systems, communication systems, computers & CRT monitors, servers and IT networks, scientific research instruments, etc.
  • EMF human exposure/risk assessment standards for government and military personnel, contractors and visitors based upon: ACGHI, NCRP, IRPA/INIRC, OSHA, WHO and the FCC OET Bulletin 65 Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields.
  • IEEE, N.E.C. & N.E.S.C. electrical standards and Power Quality (PQ) criteria.

Vitatech provides a cost-performance analysis matrix of the project/program based upon the various design criteria objectives and simulated performance assessments. We integrate the various components with the required EMF/EMC performance specifications to produce by fabrication and construction a working prototype, model, partial- or fully-enclosed shielded room, building or mobile unit as follows:

  • Magnetic Shields (0 Hz – 100 MHz up to -80 dB attenuation) – geomagnetic/static and time-varying DC, AC ELF (electric power), VLF/LF (CRT’s) to RF
  • Electric Field & RF Shields (0 Hz – 300 GHz up to -200 dB attenuation) – geomagnetic/static DC, AC ELF (power), VLF/LF to RF/microwave and higher
  • MRI, NMR, SQUID, Medical & Scientific Shielding Systems – high performance
  • EMP/HEMP Hardening & Shields – optional light-weight aluminum systems
  • SCIFs & TEMPEST Shields for buildings & special equipment
  • Active/Passive Magnetic Field Cancellation Systems – small & large areas
  • Filtering Systems — EMI/RFI, Harmonic and Zero-Sequence Systems

During the system design and integration of a project/program, we maintain firm configuration and document controls, aggressively manage subcontractors ensuring cost-containment, prepare and deliver detailed engineered design packages with maintenance and operational manuals, offer comprehensive on-site training programs and issue shielding performance guarantee certificates when VitaTech designs, fabricates, installs, constructs and tests shielding systems.