QRO2490-49RXRC Car

FCC ID: QRO2490-49RX Ophoto1 Ophoto2 FCC ID: QRO2490-49RX Ophoto3

FCC ID: QRO2490-49RX Iphoto1 Iphoto2 FCC ID: QRO2490-49RX Iphoto3 Iphoto4 FCC ID: QRO2490-49RX Iphoto5 Iphoto6 FCC ID: QRO2490-49RX Iphoto7

FCC ID: QRO2490-49RX Technical Description : The brief circuit description is listed as follows : - Q1 and associated circuit act as Super-regenerative Receiver. - U1 RX2C and associated circuit act as Decoder. - U5, D1 and associated circuit act as Voltage Regulator and Ripple Filter. - U2-A, U2-B, U3, U4 and associated circuit act as Motor Protection Circuit. - Q2 ~ Q11 and associated circuit act as Motor Driver. Antenna Used : A permanent wire antenna has been used.

• The test results reported in this report shall refer only to the sample actually tested and shall not refer or be deemed to refer to bulk from which such a sample may be said to have been obtained. • This report shall not be reproduced except in full without prior authorization from Intertek Testing Services Hong Kong Limited • The evaluation data of the report will be kept for 3 years from the date of issuance. FCC ID : QRO2490-49RX Taiyo Edge (HK) Limited Application For Certification (FCC ID: QRO2490-49RX) Superregenerative Receiver Sample Description : ¼ Scale Race Kart Model : #2490 0415322 BC/at August 19, 2004 INTERTEK TESTING SERVICES FCC ID: QRO2490-49RX i LIST OF EXHIBITS INTRODUCTION EXHIBIT 1: General Description EXHIBIT 2: System Test Configuration EXHIBIT 3: Emission Results EXHIBIT 4: Equipment Photographs EXHIBIT 5: Product Labelling EXHIBIT 6: Technical Specifications EXHIBIT 7: Instruction Manual EXHIBIT 8: Miscellaneous Information INTERTEK TESTING SERVICES FCC ID: QRO2490-49RX ii MEASUREMENT/TECHNICAL REPORT Taiyo Edge (HK) Limited - MODEL: #2490 FCC ID: QRO2490-49RX August 19, 2004 This report concerns (check one:) Original Grant X Class II Change Equipment Type: Superregenerative Receiver (example: computer, printer, modem, etc.) Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes No X If no, assumed Part 15, Subpart B for intentional radiator Report prepared by: Billy Chow Intertek Testing Services 2/F., Garment Center, 576, Castle Peak Road, HONG KONG Phone: 852-2173-8502 Fax: 852-2742-9149 INTERTEK TESTING SERVICES FCC ID: QRO2490-49RX iii Table of Contents 1.0 General Description................................................................................................. 2 1.1 Product Description............................................................................................... 2 1.2 Related Submittal(s) Grants .................................................................................. 2 1.3 Test Methodology ................................................................................................. 3 1.4 Test Facility .......................................................................................................... 3 2.0 System Test Configuration ...................................................................................... 5 2.1 Justification........................................................................................................... 5 2.2 EUT Exercising Software ...................................................................................... 5 2.3 Support Equipment List and Description................................................................ 5 2.4 Equipment Modification......................................................................................... 6 2.5 Special Accessories.............................................................................................. 6 3.0 Emission Results..................................................................................................... 8 3.1 Field Strength Calculation ..................................................................................... 9 3.2 Radiated Emission Configuration Photograph ..................................................... 10 3.3 Radiated Emission Data...................................................................................... 11 4.0 Equipment Photographs ........................................................................................ 14 5.0 Product Labelling................................................................................................... 16 6.0 Technical Specifications........................................................................................ 18 7.0 Instruction Manual ................................................................................................. 20 8.0 Miscellaneous Information.................................................................................... 22 8.1 Stabilization Waveform........................................................................................ 23 8.2 Emissions Test Procedures................................................................................. 24 8.2 Emissions Test Procedures (cont'd) .................................................................... 25 INTERTEK TESTING SERVICES FCC ID: QRO2490-49RX iv List of attached file Exhibit type File Description filename Test Report Test Report report.pdf Operation Description Technical Description descri.pdf Test Setup Photo Radiated Emission radiated photos.doc Test Report Stabilization Waveform superreg.pdf External Photo External Photo external photos.doc Internal Photo Internal Photo internal photos.doc Block Diagram Block Diagram block.pdf Schematics Circuit Diagram circuit.pdf ID Label/Location Label Artwork and Location label.pdf User Manual User Manual manual.pdf INTERTEK TESTING SERVICES FCC ID: QRO2490-49RX 1 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TESTING SERVICES FCC ID: QRO2490-49RX 2 1.0 General Description 1.1 Product Description The equipment under test (EUT) is a receiver for a RC Car operating 49.860 MHz. The EUT is powered by a 9.6V NiCd rechargeable battery pack, The EUT has a power switch. When the power switch is “ON”, the EUT can be controlled to run forward, backward, turning left and right directions by the corresponding controller. The brief circuit description is saved with filename: descri.pdf 1.2 Related Submittal(s) Grants This is a single application for certification of a receiver. The transmitter for this receiver is authorized by Certification procedure with FCC ID: QRO2490-49TX. INTERTEK TESTING SERVICES FCC ID: QRO2490-49RX 3 1.3 Test Methodology The radiated emission measurements w…

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