ENGINEERING TEST REPORT NUMBER
Contents
1. N Nemko ENGINEERING TEST REPORT NUMBER 10216476EUS1 ON Model No s BB BONE 000 IN ACCORDANCE WITH CFR 47 PART 15 SUBPART B CLASS B VERIFICATION TESTED FOR Circuitco Electronics 1380 Presidential Suite 100 Richardson Texas 75081 TESTED BY Nemko USA Inc 802 N Kealy Lewisville Texas 75057 3136 Total Number of Pages 21 TESTED BY Ee Boyes DATE 02 Nov 2011 Brian Boyea EMC Engineer APPROVED BY DATE 14 Nov 2011 Arturo Ruvalcaba EMC Engineer NVLAD NVLAP Lab Code 1004260 Nemko USA Inc authorizes the above named company to reproduce this report provided it is reproduced in its entirety for use by the company s employees only This report must not be used to claim product certification approval or endorsement by NVLAP NIST or any agency of the Federal Government Nemko USA Inc is a NVLAP accredited laboratory Any use which a third party makes of this report or any reliance on or decisions to be made based on it are the responsibility of such third parties Nemko USA Inc accepts no responsibility for damages if any suffered by any third party as a result of decisions made or actions based on this report This report applies only to the items tested CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 SECTION 1 SECTION 2 SECTION 3 SECTION 4 SECTION 5 SECTION 6 SECTION 7 SECTION 8 EQUIPMENT Development Board Tabl2. following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation In addition to placing the above label on your product the three items that are required to be included in your product s manual are 1 For a Class B Verified device the instructions furnished to the user shall include the following or similar statement placed in a prominent location at the front of the manual NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circu
3. 0kHz VBW 120kHz Page 15 of 21 CFR 47 PART 15 SUBPART B CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Vertical Margin 10 63 11 64 4 28 18 57 14 06 12 64 5 15 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Page 16 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Section 6 Microwave Radiated Emissions N A The EUT has no clocks above 108MHz Purpose The tests are intended to demonstrate the compliance of the Equipment Under Test E U T to the limits for radiated emissions as defined by CFR 47 Part 15 Subpart B Class B Paragraph Number 15 109 Specification Limits Limits for radiated disturbance of Class B Frequency Range MHz 3m Limits dBuV 10m Limits dBuV Above 960 Method of Measurement Procedure ANSI C63 4 2003 The equipment was prescanned in a semi anechoic chamber using a spectrum analyzer and horn antenna A list of frequencies was compiled for investigation in the semi anechoic chamber with an average detector Any emissions above 1 GHz were measured with a horn antenna and low noise pre amplifier at a distance of 3 meters The bandwidth was set to 1 MHz and the detector function was average See Sections 7 and 8 Page 17 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476E
4. 15 109 Specification Limits Limits for radiated disturbance of Class B CISPR 22 Frequency Range MHz 3m Limits dBuV 10m Limits dBuV 30 230 40 0 30 0 Method of Measurement Procedure ANSI C63 4 2003 The equipment was prescanned in a semi anechoic chamber using a spectrum analyzer and broadband antenna A list of frequencies was compiled for investigation in the semi anechoic chamber The bandwidth was set to 100 kHz and the detector function was CISPR Quasi Peak Any emissions above 1 GHz were measured with a horn antenna and low noise pre amplifier at a distance of 3 meters See Sections 7 and 8 Page 12 of 21 CFR 47 PART 15 SUBPART B CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Test REHE 01 Tested By Brian Boyea Date of Tests 11 2 11 Test Conditions Test Voltage 120 Vac Temperature 25 C Humidity 45 Test Results The E U T complies TEST EQUIPMENT Asset Description Manufacturer Model Serial Last Cal Next Cal Tag 1 3m Semi Nemko USA Inc Chamber 1 26 Sept 2011 26 Sept 2012 Anechoic Chamber 1016 Preamplifier Hewlett Packard 8449A 2749A00159 20 July 2011 20 July 2012 1025 Preamplifier Nemko USA Inc LNA25 399 23 Feb 201 1 23 Feb 2012 25dB 1304 Antenna Horn Electro Metrics RGA 60 6151 24 Nov 2010 24 Nov 2012 1480 Antenna Bilog Schaffner Chase CBL6111C 2572 19 Jan 2011 19 Jan 2012 1767 Receiver EMI Rohde amp
5. ESIB26 837491 0002 01 Dec 2010 01 Dec 2011 Test 20Hz Schwartz 26 5 GHz 150 30 dBm LCD 1783 Cable Assy Nemko Chamber 26 Sept 2011 26 Sept 2012 3m Chamber Page 13 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Test Data Radiated Emissions Electric Field Test REHE 01 Horizontal m Nem ko B6502 BLimit zm EN55022 Class B 30M Hz 1 GHz pe Hrizata m o 30 0M 230 0M 430 0M 630 0M 830 0M Frecpency Opera Bin 08 28 14 AM Wechesdkiy Nvember 02 2011 Nemko B6502 Blimit s EN55022 Class B 30M Hz 1 GHz spem tica San 80 0 70 0 60 0 250 0 540 0 2 30 0 20 0 10 0 0 t t t t 30 0M 230 0M 430 0M 630 0M 830 0M Freqeny Operate Bin 06 32 09 Al Wecheschy Nvember 0 2011 Page 14 of 21 Nemko Lewisville TX FCC 3 Meter Chamber Final Quasi Peak Measurements Operator Brian Frequency MHz 51 94 95 77 108 82 186 27 250 01 375 03 455 75 499 99 500 03 625 01 750 01 999 98 Limit 40 00 40 00 40 00 40 00 47 00 47 00 47 00 47 00 47 00 47 00 47 00 47 00 Horizontal QP 31 05 26 21 44 81 36 57 44 44 38 47 43 17 QP Margin 8 95 13 79 2 19 10 43 2 56 8 53 3 83 Vertical QP 29 38 28 36 42 72 28 43 32 94 34 36 41 85 30 MHz to 1GHz was the spectrum searched RBW 12
6. Hz QP Meas Margin Meas Margin LIMIT LIMIT 0 15 65 88 55 88 36 01 19 87 53 10 12 78 0 16 65 66 55 66 35 04 20 63 51 47 14 19 0 17 65 43 55 43 32 89 22 54 49 19 16 24 0 18 65 24 55 24 30 13 25 11 51 11 14 13 3 52 56 00 46 00 24 48 21 52 37 12 18 88 Conducted Emissions Fully Operational Page 9 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board FCC B Conducted Emissions Nemko Line 2 Peaks Operator Brian FCCB FCCB NG op OF MHz Limit Limit Margin Margin 0 151 44 96 55 98 65 98 11 02 21 02 0 157 53 78 55 79 65 79 2 01 12 01 0 167 49 08 55 52 65 52 6 45 16 45 0 174 52 81 55 31 65 31 2 50 12 50 0 184 49 27 55 04 65 04 5 77 15 77 0 200 47 20 54 58 64 58 7 38 17 38 0 203 4432 5449 64 49 10 17 20 17 0 211 43 38 54 26 64 26 10 88 20 88 0 218 43 65 54 05 64 05 10 39 20 39 0 244 41 92 53 32 63 32 11 40 21 40 Frequency Peaks Page 10 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Page 11 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Section 5 Radiated Emissions Purpose The tests are intended to demonstrate the compliance of the Equipment Under Test E U T to the limits for radiated emissions as defined by CFR 47 Part 15 Subpart B Class B Paragraph Number
7. The E U T and any accessories are operated with typical load conditions Radiated emissions measurements are made from 30 MHz to 1000 MHz The equipment was prescanned in the semi anechoic chamber using a spectrum analyzer and broadband antenna to produce a list of frequencies e Variations in antenna height antenna polarization and E U T azimuth are explored to produce the emission that has the highest amplitude relative to the limit e The frequencies noted in the preliminary test are investigated on the semi anechoic chamber where amplitude measurements are made e Any emissions above 1 GHz are measured using a horn antenna and low noise pre amplifier at a distance of 3 meters The bandwidth was set to 1 MHz and the detector function was average Page 19 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Test Configuration Radiated Emissions Radiated Pre scan AND PLOTTER OR TEST RECEIVER Semi Anechoic Chamber SPECTRUM ANALYZER COMPUTER Page 20 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Section 8 Labeling Requirements Your product has successfully complied with 47 CFR FCC Part 15 B Class B requirements FCC Class B Label This device has been tested and Verified to comply with Part 15 Class B of the FCC Rules Operation is subject to the
8. US1 EQUIPMENT Development Board Section 7 Test Methods and Block Diagrams Conducted Emissions Mains Ports Applicable Test Standard CFR 47 FCC Pt 15 Subpart B The test set up is as per the test configuration diagram The E U T is configured as typically used The E U T and any accessories are operated with typical load conditions Conducted power line measurements are made from 150 kHz to 30 MHZ For each current carrying conductor of each power cord associated with the E U T the emission closest to the limit is recorded e Initial measurements are made using a spectrum analyzer with 10 kHz RBW peak detector If emissions are below the Average limit the unit is deemed to be compliant e Any emissions within 6dB of the quasi peak limit are measured using a test receiver with 9 kHz bandwidth CISPR quasi peak detector e Bandwidths used on the test receiver are those specified in CISPR 16 1 Test Configuration Power line Conducted Emissions Line Impedance Stabilization Network AC Power Source L I S N Spectrum Analyzer or Test Receiver Page 18 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Radiated Emissions Test Method Radiated Emissions Applicable Test Standard CFR47 FCC Pt 15 Subpart B The test set up in the shielded room is as per the test configuration diagram The E U T is configured as typically used
9. e of Contents SUMMARY OF TEST RESULLITS 3 EQUIPMENT UNDER TEST E U T eese 4 EQUIPMENT CONFIGURATION 6 CONDUCTED EMISSIONS MAINS PORTS 7 RADIATED EMISSIONS 12 MICROWAVE RADIATED EMISSIONS 17 TEST METHODS AND BLOCK DIAGRAMS 18 LABELING REQUIREMENTS 21 Page 2 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Section 1 Summary of Test Results General All measurements are traceable to national standards These tests were conducted on a sample of the equipment for the purpose of demonstrating compliance with CFR 47 Part 15 Subpart B for Class B Digital Devices These tests were conducted using measurement procedures of ANSI C63 4 2003 The equipment was tested for conducted emissions from 0 150 MHz to 30 MHz using a 50 microhenry line impedance stabilization network L I S N as described in ANSI C63 4 2003 Peripheral equipment was also operated through a 50 microhenry L I S N The equipment was tested for radiated emissions from 30 MHz to 1000 MHz in accordance with the requirements of CFR 47 Part 15 Subpart B Equipment with osci
10. he limit are measured using a test receiver with 9 or 10 kHz bandwidth CISPR Quasi Peak detector See Sections 7 and 8 Page 7 of 21 Test Tested By Date of Tests Test Conditions Test Voltage Temperature Humidity Test Results The E U T complies CEPV 01 Brian Boyea 11 2 11 120 Vac 25 C 45 CFR 47 PART 15 SUBPART B CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board The Conducted Emissions were measured on the power cube of the lab computer TEST EQUIPMENT Asset Tag Description Manufacturer Model Serial Last Cal Next Cal 674 Limiter Hewlett 11947A 3107A02200 01 Nov 2011 01 Nov 2012 Packard 704 Filter High Solar 7930 5 0 933126 01 Nov 2011 01 Nov 2012 Pass 5KHz Electronics 749 Cable 6m Nemko USA RG223 25 Feb 2011 25 Feb 2012 Inc 811 1 5m Cable Nemko USA RG223 25 Feb 2011 25 Feb 2012 Assy Inc 1258 LISN EMCO 3825 2 1305 31 Oct 2011 31 Oct 2012 15mhz 30mhz 1663 Spectrum Rohde amp FSP3 100073 2 Sept 2011 2 Sept 2013 Analyzer Schwartz Page 8 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Test Data Conducted Emissions Power Lines Test CEPV 01 Line 1 Nem ko Emiscions FCCB 150kH2 20 MHz Nemko Line 1 Final QP AVG Operator Brian Frequency FCCB FCCB AVG AVG QP QP M
11. it different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help 2 The user s manual must caution the user that changes or modifications not expressly approved by the party responsible for compliance you your company could void the user s authority to operate the equipment 3 In addition the instruction manual must include appropriate instructions on the first page of the manual concerning installation of the device or special accessories special cabling shields adapters that must be used with the device An appropriate caution statement should warn the user to utilize the special accessories supplied with the equipment for continued FCC compliance Page 21 of 21
12. llator frequencies above 108 MHz were tested to the fifth harmonic or in accordance with the requirements of CFR 47 Part 15 33 Frequencies were initially identified in a semi anechoic chamber Amplitude measurements were made in a semi anechoic chamber Details of the chamber are on file with the FCC and Industry Canada Abstract Name of Test Basic Standard Conducted Emissions CFR 47 Part 15 Subpart B Para No 15 107 o m Pan 1S Suppan B Para No 18107 Complies Radiated Emissions CFR 47 Part 15 Subpart B Para No 15 109 THE FOLLOWING DEVIATIONS FROM ADDITIONS TO OR EXCLUSIONS FROM THE TEST SPECIFICATIONS HAVE BEEN MADE NONE Page 3 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Section 2 Equipment Under Test E U T Manufacturer Circuitco Electronics Name BeagleBone Model Number BB BONE 000 Serial Number 22 Part Number BB BONE 000 Production Status Pre Production E U T Arrival Date 11 2 11 Description of E U T Development Board Clock Oscillator Highest Frequencies Utilized 25MHz 24MHz 48MHz 100MHz Justification The E U T was configured for testing as per typical installation Position and bundling of cables were investigated to establish maximum amplitude of emissions Exercise Program The E U T exercise program used during radiated and conducted testing was designed to exercise the various system c
13. omponents in a manner similar to typical use The EUT was in the following exercise mode Powered on running Page 4 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board E U T Photographs Lom ununun Page 5 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Section 3 Equipment Configuration Equipment Configuration List iD Kodak 2GB E BeagleBone S N 22 RevB F Kingston 2GB G Hy Q EUT Power and Interfaces ee ee ed i USB Cable to the PC BeagleBone Page 6 of 21 CFR 47 PART 15 SUBPART B N Nemko CLASS B VERIFICATION REPORT NO 10216476EUS1 EQUIPMENT Development Board Section 4 Conducted Emissions Mains ports Purpose The test is intended to demonstrate the compliance of the Equipment Under Test E U T to the limits for conducted disturbance as defined by CFR 47 Part 15 Subpart B Class B Paragraph Number 15 107 Specification Limits Limits for conducted disturbance at the mains ports Frequency Range MHz Quasi peak Limits Average Limits dBuV dBuV 0 15 to 0 50 66 56 56 46 0 50 to 5 00 60 5 5 00 30 0 Method of Measurement Procedure ANSI C63 4 2003 Measurements were made using a spectrum analyzer with 10 kHz RBW Peak detector Any emissions that are close to t
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