WK8-GX318DSELF BALLASTED LAMP

Specified Performance measured in 120V/60Hz Operating voltage: 120V/ 60Hz

45KHz AC 120V N EMI Filter Rectifier Circuit Halt-Bri dge Driver Circuit Output Stage L L A M P

TOP BRILLIANT TECHNOLOGY LTD FCC ID: WK8- GX318D POWER OF ATTORNEY Ma rch， ，， ，09, 2010 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Services (ShenZhen) Co., Ltd. (Philo Zhong) on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Services (ShenZhen) Co., Ltd. (Philo Zhong) on our behalf shall have the same effect as acts of our own. This authorization expires on Ma rch， ，， ，08, 2011. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, TOP BRILLIANT TECHNOLOGY LTD., are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, TOP BRILLIANT TECHNOLOGY LTD ------------------------------- Supervisor

EUT(GX318D) - Front View EUT(GX318D) - Back View EUT(GU318D) - Front View EUT(GU318D) - Back View EUT(GP318D) - Front View EUT(GP318D) - Back View

FCC ID Label This device complies with Part 18 of the FCC Rules. The Label must not be a stick-on paper. The Label on these products must be permanently affixed to the product and readily visible at the time of purchase and must last the expected lifetime of the equipment not be readily detachable. Proposed Label Location on EUT EUT Top View/ proposed FCC Label Location This device complies with Part 18 of the FCC Rules. FCC ID : WK8-GX318D

FCC ID Label Sample for Model: GX318D,GP318D,GU318D FCC ID: WK8- GX318D

PCB - Front View PCB - Back View

Circuit Description: FUSE: When input is shorted, it performs input shorted protect function. T1.T2.C1.C2.C3: Work together with to performs EMI function. BD1: Performs rectification function. Q1、Q2、U1: Performs Oscillating function,which with a 45KHz clock, let low frequency switch high frequency. L1.T3.C7.C8: When switching power, the T4 and C7 take place series resonance startup the lamp, then T3 restricting current.

45kHz clock C4 C8 C9 C6 C7 C5 D2 ZD1 R2R3 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 U1 R4 + C10 R6 R7R8 R5 Q2 Q1 L2 T3 D4 J2J1 D5 1 2 3 4 BD1 C2 F1 T1 R1C3 C11 L1R02 R9 CY1 外壳铝板

FCC TEST REPORT Page 1 of 23 FCC ID : WK8-GX318D Applicant : TOP BRILLIANT TECHNOLOGY LTD. Address : Suite 101-102,lst Floor,Building7,No.5 Science park,Shatin, New Territories,Hong Kong Equipment Under Test (EUT) : Product description : Self ballasted lamp Model No. : GX318D,GP318D,GU318D Standards : FCC Part18:2009 Date of Test : March 2~5,2010 Prepared By : Zero Zhou Reviewed By : PERPARED BY: Waltek Services (Shenzhen) Co., Ltd. 1/F, Fukangtai Building,West Baima Rd.,Songgang Street, Baoan District, Shenzhen 518105,China Tel: 86-755-27553488 Fax: 86-755-27553868 Page 1 of 23 2 Contents Page 1 COVER PAGE..........................................................................................................................................................1 2 CONTENTS ..............................................................................................................................................................1 3 TEST SUMMARY....................................................................................................................................................3 4 GENERAL INFORMATION..................................................................................................................................4 4.1 CLIENT INFORMATION............................................................................................................................................4 4.2 GENERAL DESCRIPTION OF E.U.T...........................................................................................................................4 4.3 DETAILS OF E.U.T. .................................................................................................................................................4 4.4 DESCRIPTION OF SUPPORT UNITS...........................................................................................................................4 4.5 STANDARDS APPLICABLE FOR TESTING..................................................................................................................4 4.6 TEST METHODOLOGY.............................................................................................................................................4 4.7 TEST FACILITY........................................................................................................................................................5 4.8 TEST LOCATION......................................................................................................................................................5 5 EQUIPMENT USED DURING TEST ...................................................................................................................6 6 EMISSION TEST .....................................................................................................................................................8 6.1 CONDUCTED EMISSION DATA.................................................................................................................................8 6.1.1 Test Procedure .............................................................................................................................................8 6.1.2 Conducted Test Setup ...................................................................................................................................8 6.1.3 EUT Operating Condition ............................................................................................................................9 6.1.4 Conducted Emission Limits ..........................................................................................................................9 6.1.5 Spectrum Analyzer......................................................................................................................................10 6.1.6 Conducted Emission Test Result ................................................................................................................10 6.1.7 Measurement Data .....................................................................................................................................10 6.2 RADIATED EMISSION DATA..................................................................................................................................13 6.2.1 Measurement Uncertainty ..........................................................................................................................13 6.2.2 EUT Setup ..................................................................................................................................................13 6.2.3 Spectrum Analyzer Setup............................................................................................................................14 6.2.4 Test Procedure ...........................................................................................................................................14 6.2.5 Corrected Amplitude & Margin Calculation .............................................................................................14 6.2.6 Summary of Test Results ............................................................................................................................15 7 PHOTOGRAPHS OF TESTING..........................................................................................................................17 7.1 CONDUCTED EMISSION TEST VIEW.......................................................................................................................17 7.2 RADIATION EMISSION TEST VIEW........................................................................................................................17 8 PHOTOGRAPHS - CONSTRUCTIONAL DETAILS .......................................................................................18 8.1 EUT(GX318D) - FRONT VIEW.............................................................................................................................18 8.2 EUT(GX318D) - BAC…

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Conducted Emission Test View Radiation Emission Test View