
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
USB+ VCC GND USB- INPUT:DC12-24 OUTPUT:5.0V/500mA ( ma L/audio input Frequency:88.3-88.9MH Frequency Selection CONVERTER(IC) DC/DC 5.0V POWER CONTROLL R/audio input FM Stereo Tr ansmitter IC RF AMPLIFER ANT
External Photos EUT-Top View EUT-Bottom View
ID Label Label FCC ID: TAM18231770001
ID Label/Location Label Location Information Specifications: Text is Black or white in color and is left justified. Labels are printed in indelible ink on permanent adhesive backing or silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Label Location
Internal Photos EUT-Open View EUT-PCB Top View EUT-PCB Bottom View
3in1 FM Stereo Audio Transmitter Circuit Description 1. Charger side circuit analysis: Power is taken from the cigarette lighter adapter at DC12~24V and fed into the DC/DC voltage regular at U3. After being routed to R19/R20 for current limiting and R17/R18 for voltage limiting, power is then output to the USB Female port at a output voltage of DC5.0 Β± 0.2V and a current of 500mA(max) 2. Transmitter side circuit analysis: Power is taken from the cigarette lighter adapter at DC12~24V and fed into the 3-term voltage regulator at U1. The regulated 5.0V voltage is then supplied to U2. Left and right channel audio signals now enter through Pin 1 and 22 of U2. After being processed by the U2 IC, the stereo audio regeneration signal is output though Pin 5, while the RF signal is output through Pin 11, amplified by Q2 and finally sent to the antenna end. The transmitting frequency is set by the switch between the range of 88.3~88.9MHZ.
Note: The test report is specially limited to the above company and this particular sample only. It may not be duplicated without prior written consent of Bay Area Compliance Lab Corp. (ShenZhen). This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST or any agency of the US Government. FCC PART 15.239 EMI MEASUREMENT AND TEST REPORT For Dongguan Peng Da Electronic Co., Ltd. Bao tun Industrial Area, Houjie Town, Dongguan City, Guangdong Province, P.R. China FCC ID: TAM18231770001 May 26, 2005 This Report Concerns: Original Report Equipment Type: Low Power Transmitter Test Engineer: Sam Lin Report No.: RSZ05050901 Test Date: May 25, 2005 Reviewed By: Chris Zeng Prepared By: Bay Area Compliance Lab Corp. (ShenZhen) 6/F, the 3rd Phase of WanLi Industrial Building, ShiHua Road, FuTian Free Trade Zone, ShenZhen, Guangdong 518038, P.R.China Tel: +86-755-33320018 Fax: +86-755-33320008 Dongguan Peng Da Electronic Co., Ltd. FCC ID: TAM18231770001 Report # RSZ05050901 Page 2 of 14 FCC Part 15.239 Test Report TABLE OF CONTENTS GENERAL INFORMATION.......................................................................................................................................3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................................................3 OBJECTIVE...................................................................................................................................................................3 RELATED SUBMITTAL(S)/GRANT(S).............................................................................................................................3 TEST METHODOLOGY..................................................................................................................................................3 TEST FACILITY.............................................................................................................................................................3 LOCAL SUPPORT EQUIPMENT LIST AND DETAILS........................................................................................................4 EXTERNAL I/O CABLE.................................................................................................................................................4 SYSTEM TEST CONFIGURATION ..........................................................................................................................5 DESCRIPTION OF TEST CONFIGURATION......................................................................................................................5 EQUIPMENT MODIFICATIONS.......................................................................................................................................5 CONFIGURATION OF TEST SETUP.................................................................................................................................5 BLOCK DIAGRAM OF TEST SETUP................................................................................................................................5 SUMMARY OF TEST RESULTS ...............................................................................................................................6 Β§15.203 - ANTENNA APPLICATION ........................................................................................................................7 STANDARD APPLICABLE..............................................................................................................................................7 Β§15.209/Β§15.239- RADIATED EMISSION..................................................................................................................8 STANDARD APPLICABLE..............................................................................................................................................8 MEASUREMENT UNCERTAINTY....................................................................................................................................8 EUT SETUP..................................................................................................................................................................8 TEST RECEIVER SETUP.................................................................................................................................................9 TEST EQUIPMENT LIST AND DETAILS...........................................................................................................................9 CORRECTED AMPLITUDE & MARGIN CALCULATION...................................................................................................9 TEST RESULTS SUMMARY............................................................................................................................................9 TEST DATA................................................................................................................................................................10 PLOT(S) OF TEST DATA..............................................................................................................................................11 Β§15.239 βFREQUENCY RANGE...............................................................................................................................13 MEASUREMENT UNCERTAINTY..................................................................................................................................13 TEST PROCEDURE......................................................................................................................................................13 TEST EQUIPMENT LIST AND DETAILS.........................................................................................................................13 TEST DATA..................................................................................................................................................β¦
Text truncated - open the document above for the full version.
Te s t S e t u p P h o t o s Radiated Emissions-Front View Radiated Emissions-Rear View
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 88.3 MHz - 88.9 MHz | - |

Bluetooth Music Speaker
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter