KNZ27135R49MHZRemote Control Car

FCC ID: KNZ27135R49MHZ Operation Description: There is a on/off switch on the EUT. Once the on/off switch has been turned to ON position, it receive the RF signal from the transmitter continuously. Circuit Description: The brief circuit description is listed as follows: - Q1, L2 and associated circuit act as Local Oscillator. - IC1 and associated circuit act as Demodulator/Decoder. - Q2, Q3 and associated circuit act as Voltage Regulator. - Q5, Q6, Q7,Q8, Q9, Q10, Q12, Q13, Q14, Q15, Q16, Q17 associated circuit act as Motor Driver. Antenna Used: A permanent wire antenna has been used.

• The test results rep orted in this rep ort shall refer only to the samp le actually tested and shall not refer or be deemed to refer to bulk from which such a samp le may be said to have been obtained. • This rep ort shall not be rep roduced excep t in full without p rior authorization from Intertek Testing Services Hong Kong Limit ed FCC ID : KNZ27135R49MHZ DSI (HK) Limited Application For Certification (FCC ID: KNZ27135R49MHZ) Superregenerative Receiver WO# 0102916 WN/at 21 May, 2001 INTERTEK TESTING SERVICES FCC ID: KNZ27135R49MHZ 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: KNZ27135R49MHZ ii MEASUREMENT/TECHNICAL REPORT DSI (HK) Limited - MODEL: 27135 FCC ID: KNZ27135R49MHZ 21 May, 2001 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 C for intentional radiator - the new 47 CFR [10-1-98 Edition] provision. Report prepared by:Wilbur Ng 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: KNZ27135R49MHZ 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 specialk 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 ....................................................................................................... 15 5.0 Product Labelling .................................................................................................................. 17 6.0 Technical Specifications ........................................................................................................ 19 7.0 Instruction Manual ................................................................................................................ 21 8.0 Miscellaneous Information ................................................................................................... 23 8.1 Stabilization Waveform..................................................................................................... 24 8.2 Emissions Test Procedures ................................................................................................ 25 8.2 Emissions Test Procedures ................................................................................................ 26 INTERTEK TESTING SERVICES FCC ID: KNZ27135R49MHZ iv List of attached file Exhibit typeFile Descriptionfilename Test ReportTest Reportreport.doc Test Setup PhotoRadiated Emissionradiated1.jpg to radiated2.jpg External PhotoExternal Photoophoto1.jpg, ophoto2.jpg Internal PhotoInternal Photoiphoto1.jpg to iphoto2.jpg Block DiagramBlock Diagramblock.pdf SchematicsCircuit Diagramcircuit.pdf ID Label/LocationLabel Artwork and Locationlabel.pdf User ManualUser Manualmanual.pdf INTERTEK TESTING SERVICES FCC ID: KNZ27135R49MHZ 1 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TESTING SERVICES FCC ID: KNZ27135R49MHZ 2 1.0 General Description 1.1Product Description The equipment under test (EUT) is a Receiver for Remote Control Toy Car operating at 49.860 MHz which is controlled by a L.C. Circuit. The EUT is powered by a 6V rechargeable battery. There is a on/off switch on the EUT. Once the on/off switch has been turned “on”, it receive the RF signal from the transmitter continuously. The brief circuit description is saved with filename: descri.pdf 1.2Related Submittal(s) Grants The transmitter for this Superregenerative Receiver is authorized by Certification procedure. INTERTEK TESTING S…

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