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P73-D389-RXR/C spymobile (Car)

Lung Cheong Toys Limited
R/C spymobile (Car) - FCC ID P73-D389-RX - Lung Cheong Toys Limited
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Application Details

Equipment Class
DXT - Part 15 Low Power Transceiver, Rx Verified
Date of Grant
Jun 03, 2004
Application Purpose
Original Equipment
Date of Application
Jun 03, 2004
Equipment Note
R/C spymobile (Car)
Frequency Range
27.14500000 - 27.14500000
Company
Lung Cheong Toys Limited
Country
Hong Kong

Documents & Files

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Users Manual

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Block Diagram

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External Photos

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ID Label/Location Info

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Internal Photos

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Operational Description

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Schematics

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Test Report

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Test Setup Photos

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Document Text

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

Block Diagram

D389 SPY MOBILE BLOCK DIAGRAM (P73-D389-RX) FREQUENCY MODULATION TX RF. AMP MIC SIGNAL AMP. TX RF. OSC (27.145 MHz) MIC TX POWER CONTROL RX POWER CONTROL Bi-Bi CIRCUIT PROCESSOR MIC SIGNAL PROCESSING MIC ON/OFF CONTROL FM. AMP FM. IF RX RF.OSC (49.435 MHz) STEERING MOTOR DRIVING MOTOR MOTOR DRIVER RX2-B DECODING DECODING OUTPUT SIGNAL PROCESSOR LED INDICATOR ON/OFF CONTROL BATTERY ENCODING IC CONTROL RX ANT TX ANT

Operational Description

Operation Description of R/C Spymobile car The equipment under test (EUT) is an R/C Spymobile (vehicle part) which contains a transmitter operating at 27.145 MHz (3 times of 9.0483 MHz) and a receiver operating at 49.435 MHz. The transmitter is controlled by a 9.0483 MHz crystal. The receiver is controlled by a 49.435 MHz crystal. The car is powered by 3 x 1.5V AAA size batteries. When forward/backward signal is received, it will move forward or backward. When left/right signal is received it will turn left or right. When it receive signals from the controller. The vehicle part can also transmit audio signal from the microphone through the transmission circuit to the controller. If the vehicle is idle for 10 minutes, it will automatically shut off and the red LED indicator will turn off. Referring to the circuit design, the circuit description is listed as follows: - U4 and associated circuit act as the decoder - Q7, Q9 ñ Q19 and associated circuit act as the motor driver - Y1, U2 and associated circuit act as the oscillator for the receiver - Q3, Y2, C11, C13, Q2, T1, C7 and associated circuit act as the oscillator for the transmitter and as 3 times frequency multiplier - Q1, L6, C4 and associated circuit act as the transmitter RF amplifier - L1, L3, L4, the antenna coil, C42, C43 and associated circuit act as the antenna matching network - U3 and associated circuit act as the encoder - C31, D1 and associated circuit act as the ìBi-Biî signal circuit processor - L7, C46 and associated circuit modulate the RF signal - U1, Q8 and associated circuit act as the microphone signal amplifier and control

Schematics

                       PDF created with FinePrint pd fFactor y Pro trial version http://www.pdffactory.com

Test Report

TEST REPORT This document shall not be reproduced either in full or in part except with written approval by the Authorized Representative of CMA Testing. Room 1401-3, Yan Hing Centre, 9-13 Wong Chuk Yeung St.., Fo Tan, Shatin, Hong Kong. Tel: (852) 2698 8198 Fax: (852) 2695 4177 E-mail: [email protected] Web Site: http://www.cmatcl.com Report No. : AE006552-1 Date : 2004 May 13 Applicant : Lung Cheong Toys Limited Lung Cheong Building, 1 Lok Yip Road, On Lok Tsuen, Fanling, N. T., Hong Kong. Sample Description : One(1) submitted sample stated to be R/C Spymobile (Car) of Model No. D389. Rating : 3 x 1.5 V AA size battery No. of sample(s) : Two(2) pieces *** Date Received : 2004 April 28. Test Period : 2004 April 28 ñ 2004 May 03. Test Requested : FCC Part 15 Certification Test Method : FCC Rules and Regulations Part 15 ñ Dec 2003 ANSI C63.4 ñ 2001 Test Result : See attached sheet(s) from page 2 to 12. Conclusion : The submitted sample of the composite device was found to comply with requirement of FCC Part 15 Subpart C for transmitter part and Subpart B for receiver part. For and on behalf of CMA Testing and Certification Laboratories Authorized Signature : Page 1 of 12 Danny Chui EMC Engineer - EL. Division FCC ID : P73-D389-RX TEST REPORT This document shall not be reproduced either in full or in part except with written approval by the Authorized Representative of CMA Testing. Room 1401-3, Yan Hing Centre, 9-13 Wong Chuk Yeung St.., Fo Tan, Shatin, Hong Kong. Tel: (852) 2698 8198 Fax: (852) 2695 4177 E-mail: [email protected] Web Site: http://www.cmatcl.com Report No. : AE006552-1 Date : 2004 May 13 Table of Contents 1 General Information........................................................................................................................ 3 1.1 General Description.................................................................................................................. 3 1.2 Related Submittal Grants.......................................................................................................... 3 1.3 Location of the test site............................................................................................................. 4 1.4 List of measuring equipment..................................................................................................... 5 2 Description of the radiated emission test.......................................................................................... 6 2.1 Test Procedure......................................................................................................................... 6 2.2 Test Result............................................................................................................................... 6 2.3 Radiated Emission Measurement Data....................................................................................... 7 2.3 Radiated Emission Measurement Data....................................................................................... 8 3 Description of the Line-conducted Test............................................................................................ 9 3.1 Test Procedure......................................................................................................................... 9 3.2 Test Result............................................................................................................................... 9 3.3 Graph and Table of Conducted Emission Measurement Data...................................................... 9 4 Photograph................................................................................................................................... 10 4.1 Photographs of the Test Setup for Radiated Emission and Conduction Emission........................ 10 4.2 Photographs of the External and Internal Configurations of the EUT......................................... 10 5 Supplementary document............................................................................................................... 11 5.1 Bandwidth............................................................................................................................. 11 6 Appendices............................................................................................................................... 12 Page 2 of 12 FCC ID : P73-D389-RX TEST REPORT This document shall not be reproduced either in full or in part except with written approval by the Authorized Representative of CMA Testing. Room 1401-3, Yan Hing Centre, 9-13 Wong Chuk Yeung St.., Fo Tan, Shatin, Hong Kong. Tel: (852) 2698 8198 Fax: (852) 2695 4177 E-mail: [email protected] Web Site: http://www.cmatcl.com Report No. : AE006552-1 Date : 2004 May 13 1 General Information 1.1 General Description The equipment under test (EUT) is an R/C Spymobile (vehicle part) which contains a transmitter operating at 27.145 MHz and a receiver operating at 49.860 MHz. The transmitter is controlled by a crystal. The receiver is controlled by a crystal. The car is powered by 3 x 1.5V AAA size batteries. When forward/backward signal is received, it will move forward or backward. When left/right signal is received it will turn left or right. When it receive signals from the controller. The vehicle part can also transmit audio signal from the microphone through the transmission circuit to the controller. If the vehicle is idle for 10 minutes, it will automatically shut off and the red LED indicator will turn off. Referring to the circuit design, the circuit description is listed as follows: - U4 and associated circuit act as the decoder - Q7, Q9 ñ Q19 and associated circuit act as the motor driver - Y1, U2 and associated circuit act as the oscillator for the receiver - Q3, Y2, C11, C13, Q2, T1, C7 and associated circuit act as the oscillator for the transmitter and as 3 times frequency multiplier - Q1, L6, C4 and associated circuit act as the transmitter RF amplifier - L1, L3, L4, the …

Text truncated - open the document above for the full version.

Test Report

CMA Testing and Certification Laboratories Report No.: AE006552-1 Bandwidth Plot Bandwidth 1

Contact Information

Applicant

C. M Leung(Managing Director)
[email protected]852-2677-6699Fax: 852-2682-2161

Test Firm

CMA Industrial Development Foundations LimitedStephen Lam
[email protected]852-2690-8282Fax: 852-2695-4177

Technical Specifications

#Rule PartsFrequency RangePower Output
115C27.145 MHz - 27.145 MHz-

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