1 / 28

25 November 2013

25 November 2013. RF Safety Standards Prof Ely Levine AFEKA College of Engineering. CONTENTS Background Frequencies Standards Guidelines. Non Ionizing Radiation - Any evidence for health risks ?.

hyun-chong
Télécharger la présentation

25 November 2013

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 25 November 2013 RF Safety StandardsProf Ely LevineAFEKA College of Engineering

  2. CONTENTSBackgroundFrequenciesStandardsGuidelines

  3. Non Ionizing Radiation -Any evidence for health risks ?

  4. Frequencies50/60 Hz (power)100-400 kHz (Induction)6.78, 13.56, 27.12 MHz (SRD)VHF/UHF (radio, TV)740-2100 MHz (cellular)S/C (2-8 GHz) (wireless)

  5. ISM - special waivers6.78, 13.56, 27.12 MHz 433, 868, 915 MHz 2.45, 5.85 GHz24.125 GHz

  6. StandardsInduced Currents [mA] Electric Fields [V/m] Magnetic Fields [A/m]-[mGauss]Radiation [W/m²]-[mW/cm²]SAR [W/kg]

  7. StandardsICNIRP (WHO) WorldwideIEEE ANSI C.95 WorldwideFCC CH.15 and CH.18 USAETSI EN300330-1 EuropeCode 6 Canada

  8. SUMMARY (general public)Magnetic Field 50/60 HzSRD (SAR & magnetic/electric) Terminals (SAR)Far Fields (power density)

  9. Static Magnetic Field (50/60 Hz) short period of time 1000 mGconstant exposure 2 mG

  10. SAR (W/kg) whole body head ICNIRP 0.08 2.0 IEEE ANSI 0.08 1.6 CODE 6 0.08 1.6 SAR measurements are not practical under 100 MHz

  11. Short Range Devices 0.5 MHz H (A/m) E (V/m)________ ICNIRP 0.73/f = 18 mG 87 V/m IEEE ANSI 16.3/f = 410 mG 614 V/mCODE 6 2.2 A/m = 27 mG 280 V/m6.78 MHz H (A/m) E (V/m)________ ICNIRP 0.73/f = 1.3 mG 87/f = 33 V/m IEEE ANSI 16.3/f = 30 mG 824/f = 121 V/mCODE 6 2.2/f = 4 mG 280/f = 41 V/m13.56 MHz H (A/m) E (V/m)________ ICNIRP 0.073 A/m = 1 mG 28 V/m IEEE ANSI 16.3/f = 15 mG 824/f = 60 V/mCODE 6 2.2/f = 2 mG 28 V/m27.12 MHz H (A/m) E (V/m)_________ ICNIRP 0.073 A/m = 1 mG 28 V/m IEEE ANSI 16.3/f = 7 mG 824/f = 30 V/mCODE 6 2.2/f = 1 mG 28 V/m 1 A/m = 12.56 mG

  12. Far Field 800-2700 MHz S(mW/cm²)_______________ 0.4 to 2 ICNIRP f/2000 (400-2000 MHz) 1 (f>2000 MHz) IEEE ANSI f/1500 (300-3000 MHz)CODE 6 f/1500 (300-1500 MHz) 1 (f>1500 MHz)

More Related