RLQAT400-2Audio FM Transmitter

1234 A B C D 4 321 D C B A Title NumberRevisionSize A4 Date:6-May-2006 Sheet of File:F:\\PCB\BTKS01文件夹板Drawn By: VOLT REGULATOR LPFVCO BH1415F MCU ANT 12V DC battery PDF created with pdfFactory trial version www.pdffactory.com

Front View of EUT Back View of EUT Left View of EUT System View of EUT

Model Name: AT400-2 Made in China FCC ID: RLQAT400-2 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept an y interference received, including interference that may cause undesired operation.

Internal View of EUT-1 Internal View of EUT-2

Thoery of Operation The 88.1-107.9MHz IC oscillator drives the base of U1 the final/buffer amplifier. The modulation provided by Audio Input. The output of U1 has the matching . Network consisting of C23 and L3 that limit the harmonic content and effect the proper coupling of the antenna to the output stage. Antenna, Ground and Power Source .There is no external antenna. There is no external ground connection. The ground is only that of the printed circuit board. Electric current is supplied by a 12 Volt DC battery. The Transmitter shall cease to transmit within 1 minute of removal of audio modulation.

1234 A B C D 4 321 D C B A Title NumberRevisionSize A4 Date:13-Jun-2006Sheet of File:F:\\PCB\BTKS01文件夹板Drawn By: 123456789 1 0 1 1 1 2 1 3 1 4 LCD R2310K R2210K R2110K R2010K R1910K R1810K R i n 1 R e t c 2 R l t c 3 F I L T E R 4 C S O 5 G N D 6 P D O 7 V C C 8 R F o s c 9 R F g n d 1 0 R F o u t 1 1 P L L v c c 1 2 X 1 1 3 X 2 1 4 C E / D 0 1 5 C L K / D 1 1 6 D A T A / D 2 1 7 M U T E / D 3 1 8 P S A 1 9 L l t c 2 0 L e t c 2 1 L i n 2 2 U1 BH1415F R10 R30 R2 22K R4 22K C2 1U C121U C4 2200P C3 150P C14 2200P C13 150P C15 10U C21 102 Y1 7.6M C9 103 C7 27PC627P A0 1 A1 2 A2 3 VSS 4 DATA 5 CLK 6 ORG 7 VDD 8 U2AT24C02 UP DOWN VCC CV1 KV1471 C20 1000P VCC Q2 2SD2142K L1 82nH C19 3.3P C20 47P R1810KR103.3KR52.2K R13 10K C22 2200P R5 22K R9 100 C28 47U C270.47 C161U VCC C15 100P C30 100U ANT1 C1 1U C111U R25 47K R287.5K R29 3.3K C29 10U R113.3K C25 330P VCC VCC R7 6.8K C8 103 R2427K LED1 R17 1K C29 22U 31 2 U3 78L05Lin Rin VIN+12V R26 220 P90 1 P91 2 P92 3 P93 4 P94 5 P95 6 P50 7 P51 8 P52 9 P53 10 P54 11 P55 12 P56 13 P57 14 P80 15 P81 16 RESET 17 P82 18 P83 19 P84 20 P85 21 P86 22 P87 23 P60 24 P61 25 P62 26 P63 27 P64 28 P65 29 P66 30 P67 31 P72 32 P71 33 P70 34 NC 35 NC 36 NC 37 VDD 38 OSC1 39 OSC2 40 VSS 41 INT 42 DATA/P75 43 CLK/P74 44 U4 kmate3 R28 10K R29 47K VCC R30 10K AFGND L0 0.22uH L3 1000P C22 104 L2 10uH VC+ VCC R0 2.2K LED2 BLUE C23 10U C1010U L2 0.22uH D1 IN4148 VIN- R16180 R15180 PDF created with pdfFactory trial version www.pdffactory.com 1234 A B C D 4 321 D C B A Title NumberRevisionSize A4 Date:13-Jun-2006Sheet of File:F:\\PCB\BTKS01文件夹板Drawn By: G RA1 1.0K 123456789101112131415161718192021222324252627282930 R Vin- R-inL-in G RA5 2.2 RA3 680 RA4 2.2K RA2 680 GG L VC+ LA3 0.22uH LA1 0.22uH LA2 0.22uH CA2 10uF CA1 10uF Vin-Vin- PDF created with pdfFactory trial version www.pdffactory.com

CENTRE TESTING INTERNATIONAL (CTI) REPORT NO: SZE06051710932R FCC ID: RLQAT400-2 DATE: 06/10/2006 Page 1 of 27 Rev. 00 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT INTENTIONAL RADIATOR CERTIFICATION TO FCC PART 15 SUBPART C REQUIREMENT OF AUDIO FM TRANSMITTER MODEL No.: AT400-2 Brand Name: K-mate FCC ID: RLQAT400-2 REPORT NO: SZE06051710932R ISSUE DATE: July 10, 2006 Prepared for ZHONGSHAN K-MATE GENERAL ELEC. CO., LTD. 3/F BUILDING FUWAN IND. ZONE SUN WEN EAST ROAD, ZHONGSHAN, CHINA Tel: 86-760-8323610 Fax: 86-760-8322640 Prepared by CENTRE TESTING INTERNATIONAL CO., LTD. d.b.a. CENTRE TESTING INTERNATIONAL CO., LTD. 1F., BUILDING C, HONGWEI INDUSTRIAL ZONE, BAOAN 70 DISTRICT, SHENZHEN, CHINA TEL: 86-755-29799666 FAX: 86-755-29799689 CENTRE TESTING INTERNATIONAL (CTI) REPORT NO: SZE06051710932R FCC ID: RLQAT400-2 DATE: 06/10/2006 Page 2 Rev. 00 VERIFICATION OF COMPLIANCE Applicant: Zhongshan K-mate General Elec. Co., Ltd. 3/F B1 Building Fuwan Ind. Zone Sun Wen East Road, Zhongshan, China Manufacturer: Zhongshan K-mate General Elec. Co., Ltd. 3/F B1 Building Fuwan Ind. Zone Sun Wen East Road, Zhongshan, China Product Description: FM Stereo Wireless Emitter Brand Name: K-mate Model Number: AT400-2 Serial Number: N/A File Number: SZE06051710932R Date of Test: July 2, 2006 ~ July 10, 2006 We hereby certify that: The EUT was assessed by Centre Testing International Co., Ltd. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.4 (2003) and the energy emitted by the sample EUT tested as described in this report is in compliance with conducted and radiated emission limits of FCC Rules Part 15.239. The test results of this report relate only to the tested sample identified in this report. Approved By Jimmy Zhang / Lab. Director Centre Testing International (CTI) CENTRE TESTING INTERNATIONAL (CTI) REPORT NO: SZE06051710932R FCC ID: RLQAT400-2 DATE: 06/10/2006 Page 3 Rev. 00 Ta b l e o f C o n t e n t s 1. GENERAL INFORMATION................................................................................................ 4 1.1 P RODUCT D ESCRIPTION ........................................................................................................................ 4 1.2 RELATED SUBMITTAL(S) / GRANT (S)................................................................................................... 4 1.3 T EST M ETHODOLOGY ............................................................................................................................ 4 1.4 T EST F ACILITY ...................................................................................................................................... 4 2. System Test Configuration .................................................................................................... 5 2.1 EUT C ONFIGURATION ........................................................................................................................... 5 2.2 EUT E XERCISE ...................................................................................................................................... 5 2.3 T EST P ROCEDURE .................................................................................................................................. 5 2.4 L IMITATION ........................................................................................................................................... 5 2.5 C ONFIGURATION OF T ESTED S YSTEM ................................................................................................... 7 3. Summary Of Test Results ...................................................................................................... 9 4. Description of test modes.......................................................................................................9 5. Conducted Emissions Test ................................................................................................... 10 5.1 M EASUREMENT P ROCEDURE : ............................................................................................................. 10 5.2 T EST SET-UP (B LOCK D IAGRAM OF C ONFIGURATION ) ..................................................................... 10 5.3 M EASUREMENT E QUIPMENT U SED : .................................................................................................... 10 5.4 M EASUREMENT R ESULT : .................................................................................................................... 10 5.5 C ONDUCTED M EASUREMENT P HOTOS :............................................................................................... 11 6. RADIATED EMISSION TEST.....................................................................................12 6.1 M EASUREMENT P ROCEDURE ............................................................................................................... 12 6.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ..................................................................... 13 6.3 M EASUREMENT E QUIPMENT U SED : .................................................................................................... 14 6.4 F IELD S TRENGTH C ALCULATION ........................................................................................................ 14 6.5 MEASUREMENT RESULT...................................................................................................................... 15 6.6 M EASUREMENT R ESULT ..........................................................................................17 7. OCCUPIED BANDWIDTH ........................................................................18 7.1 M EASUREMENT PROCEDURE ......................................................................................18 7.2 T EST SET - UP ( BLOCK DIAGRAM OF CONFIGURATION )........................................................18 7.3 M EASUREMENT E QUIPME…

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Test Setup Photo