On-Board Type (DC) EMI Suppression Filters (EMIFILr)

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!Note • This !Note PDF catalog • Please is downloaded read rating and from !CAUTION the website (for of Murata storage, Manufacturing operating, rating, co., ltd. soldering, Therefore, mounting it’s specifications and handling) are in subject this catalog to change to prevent or our smoking products and/or in it may burning, be discontinued etc. without advance notice. Please check with our sales representatives • This catalog or product has only engineers typical specifications before ordering. because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. • This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. C31E.pdf 08.9.1 Outlines of Major Noise Regulation Standards Regulation CISPR 22/ EN55022 VCCI Continued from the preceding page. 2. Measurement Point and Noise Detection FCC Part 15 Measuring Item Polarization and Measuring Point Frequency (Hz) Detection Measuring Devices Radiated Interference Horizontal Pol. Vertical Pol. 30M to 1GHz Quasi-Peak Detection Antenna Main Interference Voltage Radiated Interference Main Interference Voltage Radiated Interference Main Interference Voltage AC Main Ports Horizontal Pol. Vertical Pol. AC Main Ports Horizontal Pol. Vertical Pol. AC Main Ports 150k to 30MHz 30M to 1GHz 150k to 30MHz 30M to 40GHz 150k to 30MHz Quasi-Peak Detection Mean Detection Quasi-Peak Detection Quasi-Peak Detection Mean Detection Quasi-Peak Detection Mean Detection Quasi-Peak Detection Artificial Main Network Dipole Antenna Artificial Main Network Antenna Artificial Main Network PeakUQuasi-PeakUAverage (Qp) V Peak Detection Quasi-Peak Detection V Peak Detection Average Detection Quasi-Peak Detection Average Detection t t Short Repetition Period Long Repetition Period 3. Limits of CISPR 22/EN55022 (1) CISPR 22 recommends measurement at 10m distance. However, other distance is acceptable if the limitation is converted according to the following calculation. Limitation shown left is converted to limitation for 3m distance. Limitation for 10m Distance R10 (dB µ V/m) r10 (µ V/m) Conversion Limitation for 3m Distance R3 (dB µ V/m) r3 (µ V/m) R10=20 log r10 R3=20 log r3 R3=R10+20 (1-log3) r3 = 10 r10 3 ← Main Terminal Interference Voltage (Power Supply) 90 Voltage (dBµV) 79 70 66 56 56 50 46 Class A Quasi-peak value 73 Class A Mean value 60 Class B Quasi-peak value 50 Class B Mean value 30 10k 100k 150k 500k 1M 5M 10M 30M 100M Frequency (Hz) Radiated Interference 90 Field Strength (dBµV/m) 70 50 50 40 Class A Class B 57 47 30 10M 30M 100M 230M 1G Frequency (Hz) On the border frequency, lower limit should be applied. Class A Equipment: The equipment which is used in light industrial commercial areas. Class B Equipment: The equipment which is used in residential areas. 204 Continued on the following page.
!Note • This !Note PDF catalog • Please is downloaded read rating and from !CAUTION the website (for of Murata storage, Manufacturing operating, rating, co., ltd. soldering, Therefore, mounting it’s specifications and handling) are in subject this catalog to change to prevent or our smoking products and/or in it may burning, be discontinued etc. without advance notice. Please check with our sales representatives • This catalog or product has only engineers typical specifications before ordering. because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. • This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. C31E.pdf 08.9.1 Outlines of Major Noise Regulation Standards Continued from the preceding page. (2) Scope of CISPR 22 Regulation This regulation applies to information technology equipment (ITE) which is defined as: (a) Equipment that receives data from external signal sources; (b) Equipment that processes received data; (c) Equipment that outputs data; and (d) Equipment that has less than 600V rated voltage in power supply. CISPR Regulations CISPR 10 Organization, Regulations and Procedures of CISPR CISPR 11 Industrial, Scientific and Medical (ISM) Radio-Frequency Equipment CISPR 12 Vehicles, Motor Boats and Spark-Ignited Engine driven CISPR 13 Sound and Television Receivers CISPR 14 Household Electrical Appliances, Portable Tools and Similar Electrical Apparatus CISPR 15 Fluorescent Lamps and Iuminaries CISPR 16 Radio Interference Measuring Apparatus and Measurement Methods CISPR 17 Passive Radio Interference Filters and Suppression Components CISPR 18 Power Transmission Cables and High Voltage equipment CISPR 19 Microwave Ovens for Frequencies above 1GHz CISPR 20 Immunity of Sound and TV Broadcast Receivers and Associated Equipment CISPR 21 Interference to Mobile Radio Communications in the Presence of Impulsive Noise CISPR 22 Information Technology Equipment CISPR 23 Industrial Scientific and Medical (ISM) Equipment CISPR 24 Immunity Regulation of Information Technology Equipment CISPR 25 Receiver used onboard vehicles, boats, and on devices 4. Limits of VCCI Voluntary Regulation (1) VCCI recommends measurement at 10m distance; 3m or 30m distance measurements are also allowed. Main Terminal Interference Voltage (Power Supply) (2) Scope of VCCI Voluntary Regulation This regulation applies to information technology equipment (same as CISPR Pub.22), but the application is excluded on the following equipment: · Equipment for which other regulations already exist (e.g., household electrical appliances, radio and TV receivers) · In station equipment principal purpose of which is electrical communication · Industrial plant control system for which information processing is a secondary system function · Industrial, commercial and medical testing and measuring systems for which data processing is a secondary system function · Information equipment for which CISPR is conducting further deliberation VCCI is the acronym of Voluntary Control Council for Interference by Data Processing Equipment and Electronic Office Machines. VCCI is organized by the following organizations: · Japan Electronics and Information Technology Industries Association (JEITA) · Japan Business Machine and Information System Industries Association (JBMIA) · Communication and Information Network Association of Japan (CIAJ) Voltage (dBµV) 90 70 50 79 66 56 56 46 Class A Quasi-peak value Class B Mean value 30 10k 100k 150k 500k 1M 5M 10M 30M 100M Radiated Interference Field Strength (dBµV/m) 90 70 50 50 Frequency (Hz) 40 Class B Quasi-peak value On the border frequency, lower limit should be applied. Class B ITE: Equipment that is designed to be used at home. Class A ITE: Equipment that does not meet interference limits of class B equipment, but satisfies interference limits of class A equipment. 73 Class A Mean value 60 Class B Quasi-peak value 50 Class A Quasi-peak value 30 10M 30M 100M 230M 1G Frequency (Hz) 57 47 Continued on the following page. 205
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On-Board Type (DC) EMI Suppression Filters (EMIFILr)

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