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  3. P68B00788

P68B00788FM Transmitter

Audex Telecom Industrial Co. Ltd.

Application Details

Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
Date of Grant
Dec 21, 2008
Application Purpose
Original Equipment
Date of Application
Dec 21, 2008
Equipment Note
FM Transmitter
Frequency Range
88.10000000 - 107.90000000
Company
Audex Telecom Industrial Co. Ltd.
Country
China

Documents & Files

Select a file to view

Users Manual

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Block Diagram

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Cover Letter(s)

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External Photos

ID Label/Location Info

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Internal Photos

Operational Description

Parts List/Tune Up Info

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Schematics

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Test Report

Test Setup Photos

Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

TM B-007 Product Structure TM 1 2 3 4 5 M3 6 TM How to setup TM 1 2 3 4 5 6 7 8 9 0 * # TM M3 TM 1 2 3 4 5 6 7 8 9 0 * # TM M3 B007V080813 Designed/Manufactured by Telecom Industrial Co., LTD. Http://www.bananaz.cn E-mail: [email protected] TM 1. Liquid Crystal Display 2. Multi-Function button 3. Up button 4. Down button 5. Receiver 6. Battery case Universal phone holder Features 1. Range of FM transmission: 88.1MHz ~ 107.9MHz (100kHz/step) 2. LCD displays frequency transmission 3. Four frequency transmission saved points 4. Three buttons: multi-function, up, and down 5. Automatic shut-off feature after 30-45 minutes of silence How to Operate 1. To turn the unit on press the Multi-Function button. The LCD will show the last used frequency. 2. When you receive a call, simply answer your phone and push your preset radio button to either of the saved frequencies shown on the LCD. 3. To make a call, turn your B-007 on and push your preset radio button to either of the frequencies shown on the LCD. Then simply place the call. 4. When you are finished using your phone, it is strongly recommended that you turn your B-007 off. This will greatly increase the life of the battery. 5. To turn your B-007 off press and hold the Multi-Function button for 4 seconds. The B-007 will automatically turn itself off after 30-45 minutes of silence. 6. To adjust the frequency manually use the up and down buttons to scan the channels by 0.1MHz per each press of the button. For TM TM * Fits for any type of mobile phone Universal FM Handsfree Trouble Shooting 1. If you or the person you are calling can hear an echo, simply decrease the volume of your radio 2. If you are experiencing a weak transmission signal or poor reception. In the first instance check the radio frequency displayed on the B-007 matches the frequency shown on your radio. 3. If the B-007 LCD does not come on when you press the Multi-Function button is pressed, check the battery does not need re-placing. Conformity Declaration 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 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 interference to radio or television reception, which can be determined by turning the equipment off an 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 circuit different from that to which the receiver is connected automatic adjustment press and hold down the up and down buttons. 7. After adjusting the frequency, the unit will automatically save the current channel. This will be shown by a M1, M2, M3 or M4 symbol in the top left hand corner of the LCD screen. Each M number will store an individual channel. 8. To switch between the stored numbers press the Multi-Function button + - Battery replacement TM M3 Notice: We include the EVA pad for well protecting the soft rubber of the microphone. Please remove the EVA pad before using the B-007. If not using the B-007, please attach the EVA pad inside the clip for protecting the soft rubber of the microphone. FCC Warning: 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 any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

Block Diagram

11 22 33 44 D D C C B B A A Mic FM chip Qn8000 Antenna MCU LCD s1s2s3 DC/DC Battery Crystal7.6M C13 Q4 C8 R11 Vant L1 C35 88~108MHz

ID Label/Location Info

EXHIBIT A - FCC ID LABELING AND LOCATION Proposed FCC ID Label Proposed FCC ID Label Location FCC ID: P68B00788 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 any interference received, including interference that may cause undesired operation. Label Location

Parts List/Tune Up Info

CommentDescriptionDesignatorFootprintQuantity 0.1uC10402R1 10uElectrolytic CapacitorC2C12061 1uC30402R1 10nC40402R1 103CapacitorC50402R1 100pFCapacitorC60402R1 47uFPolarized Capacitor (Axial)C7C5*81 27PCapacitorC806031 15pCapacitorC9, C10, C300402R3 1uFCapacitorC11, C380402R2 10uFCapacitorC12, C3208052 100PCapacitorC1306031 0.1uFCapacitorC14, C17, C21, C31, C350402R5 0.1uFCapacitorC15, C19, C2206033 100pFCapacitorC1606031 15pFCapacitorC18, C2506032 1UCapacitorC20, C2306032 103CapacitorC24, C2606032 104CapacitorC27, C290402R2 474CapacitorC280402R1 10pFCapacitorC33, C3406032 33pFCapacitorC360402R1 10pFCapacitorC370402R1 LED0Typical INFRARED GaAs LEDD1C08051 4148Default DiodeD30603D1 5817Default DiodeD418051 LCDConnectorJ1LCD_12KUANG 1 150nHL108051 68uHInductorL3L4.5*3.21 152InductorL408051 Mic2MicrophoneMicMIC1-P1 1621Q11621-g1 NPNNPN TransistorQ2sot-231 2N3906NPN TransistorQ339041 9018NPN TransistorQ4SOT-231 2N3904NPN General Purpose AmplifierQ639041 10kResistorR1, R4, R6, R7, R14, R16, R19, R20, R31 0402R9 470ResistorR20402R1 100kResistorR80402R1 47kResistorR9, R11, R21, R220402R4 1MResistorR120402R1 4.7kResistorR170402R1 2R2ResistorR180402R1 1.2kResistorR2306031 3.3kResistorR240402R1 33RResistorR250402R1 10kResistorR26, R28, R29, R3006034 3.3kResistorR2706031 3kResistorR380402R1 powerSwitchsw1SS305B11 UPsw2SS305B11 DOWNsw3SS305B11 RT9167-3.3U1SOT23-51 501AU2SOT23-51 MCUU4so-141 QN8000U5Qn80001 FM24C02U6SOP_81 7.6MY1X31

Schematics

11 22 33 44 55 66 D D C C B B A A Title Number Revision Size B Date: 2008-12-10 Sheet of File: I:\2.4G\..\AFC-508 1.21 FCC.Sch Drawn By: CS 1 NA1 2 WR 3 DATA 4 VSS 5 NA2 6 NA3 7 VLCD 8 VDD 9 NA4 10 NA5 11 NA6 12 COM1 13 COM2 14 COM3 15 COM4 16 S1 17 S2 18 S3 19 S4 20 S5 21 S6 22 S7 23 S8 24 S9 25 S10 26 S11 27 S12 28 S13 29 S14 30 NA10 31 NA11 32 NA12 33 NA13 34 NA14 35 NA15 36 NA16 37 NA17 38 NA18 39 NA19 40 NA20 41 NA21 42 NA22 43 NA23 44 NA24 45 NA25 46 NA26 47 NA27 48 Q1 1621 PA0 1 PB7 2 PB6 3 VDD 4 PB5/OSCO 5 PB4/OSCI 6 PB3/RES 7 PB2 8 PB1 9 PB0 10 VSS 11 PA3 12 PA2 13 PA1 14 U4153 A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 U6 V MCU sw3DOWN sw2UP data1 2.1 V MCU Q2NPN V MCU V MCU C5 1 2 3 4 5 6 7 8 9 10 11 12 J1CON12 C12 C11 C13 Q4C8 C20 C23 Y17.6M VRF VIN 1 VOUT 5 GND 2 BYPS 4 EN 3 U1RT9167-3.3 C3 C1 C4 vpow 5V power C2 R21R22 sw1power R174.7k D34148 5V R12 power BT1 Battery MicMic2 R23R27 C19C22C21 R24 Vpow C24 C16 C15 C25C18 R14 R16R20 data1 2.1 R30R26 R28R29 R11 R2 R4 R7 D1LED0 R1 R31 contral 2.1 power 2.1 power 2.1 clk 2.1 clk 2.1 clk1 2.1 clk1 2.1 en 2.1 data 2.1 data 2.1 cs 2.1 cs 2.1 reset 2.1 reset 2.1 V MCU R18 Vpow VRF Vant R19 Rfo Rfo R38 C6 Gnd1 21 Gnd 1 Gnd 2 Rfo 3 Cen 4 Vcc 5 Xtal1 6 Xtal2 7 Gnd 8 Gnd 9 Lpf 10 Ar 11 Gnda 12 Gnd 13 Al 14 Seb 15 Gnd 16 Scl 17 Sda 18 Mod 19 Gsl 20 U5QN8000 CE 1 Vout 2 NC 3 GND 4 LX 5 U2 C26 L3 D4 C7 5V Q3 R6 Q6 C27 R8 power 2.1 Vant L4 C29 C28 VRF R9 C30 C9 C10 contral 2.1 R25 C31 V MCU vpow L1 C32 C14 C34C33 C17 C35 C36 C37 C38 E1 Antenna 88~108MHz RF part

Contact Information

Applicant

Marion Z.(R&D Manager)
[email protected](86)760 8290829Fax: (86)760 8290290

Test Firm

Bay Area Compliance Laboratory Corp. (Shenzhen)John Chan
[email protected]08675533320018Fax: 08675533320008

Technical Specifications

#Rule PartsFrequency RangePower Output
115C88.1 MHz - 107.9 MHz-

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