Class II change cover letter

FCC ID: O6ZD11

Cover Letter(s)

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FCCID_569553

ONETECH Corp. http://www.onetech.co.kr #505 SK APT Factory, 223-28 Sangdaewon 1-Dong, Jungwon-Gu, Seongnam-City, ONE TECH Kyunggi-Do 462-121, Korea [Tel] 82-31-746-8500, [Fax] 82-31-746-8700 FCC Laboratory Date: July 29, 2005 7435 Oakland Mills Road Columbia, MD 21046 Attention: Application Examiner / Reviewing Engineer Re: Class II Permissive Change on FCC ID: O6ZD11 Applicant: HUMAX Co., Ltd., FCC ID: O6ZD11 Our above client, HUMAX Co., Ltd., is submitting a Class II Permissive Change as per 47 CFR Part 2.1043 for FCC ID: O6ZD11. The modification and/or changed items are as follows. 1. Description of Change -. Two 128M bit SDRAMs added : U241, U242 -. MOSFET and Schottky diode added in LNB supply circuit : Q94, D93 -. ESD performance improvement : D2, D3, D6, D11, RV331, RV332 2. Reason of Change -. Two 128M bit SDRAMs used instead of one 256M bit SDRAM to increase the system bandwidth (buyer request) -. Discrete components of MOSFET and Schottky diode used instead of MOSFET+Schottky diode component to improve the performance of LNB supply circuit. -. Gaskets/Zener Diodes/Varistors added to satisfy ESD spec of HUMAX (for internal approval) -. PCB modified to add additional SDRAM/MOSFET/Schottky Diode/Zener Diodes/Varistors We have included radiated/conducted emission test result and photos for the product. If you have any questions or concerns, feel free to contact me. Best regards, Y. K. Kwon / Director Onetech Corp. EMC Div. TEL: +82-31-765-8289 FAX: +82-31-766-2904 Email: ykkwon@onetech.co.kr


Document Created: 2005-08-08 17:33:19
Document Modified: 2005-08-08 17:33:19
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