AAO4300494R

FCC ID: AAO4300494R RadioShack, A Division of Tandy Corporation Application For Certification (FCC ID: AAO4300494R) Superheterodyne Receiver WO# 9900779 CKL/at February 26, 1999 INTERTEK TESTING SERVICES FCC ID: AAO4300494R 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: AAO4300494R ii MEASUREMENT/TECHNICAL REPORT RadioShack, A Division of Tandy Corporation - MODEL: 43-494 FCC ID: AAO4300494R This report concerns (check one:)Original Grant X Class II Change Equipment Type: Superheterodyne 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 unintentional radiator - the new 47 CFR [10-1-96 Edition] provision. Report prepared by:C. K. Lam Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576, Castle Peak Road, Kowloon, Hong Kong Phone:852-746-8211 Fax:852-785-5487 INTERTEK TESTING SERVICES FCC ID: AAO4300494R iii Table of Contents 1.0General Description.............................................................................................................. 2 1.1Product Description .................................................................................................... 2 1.2Related Submittal(s) Grants ....................................................................................... 2 1.3Test Methodology ....................................................................................................... 3 1.4Test Facility................................................................................................................. 3 2.0System Test Configuration................................................................................................... 5 2.1Justification ................................................................................................................. 5 2.2EUT Exercising Software ........................................................................................... 5 2.3Support Equipment List and Description .....................................................................5 2.4Equipment Modification............................................................................................. 6 2.5Special Accessories..................................................................................................... 6 3.0Emission Results.................................................................................................................... 8 3.1Field Strength Calculation .......................................................................................... 9 3.2Radiated Emission Configuration Photograph.......................................................... 10 3.3Radiated Emission Data............................................................................................. 11 3.4 Line Conducted Configuration Photograph (cont).................................................. 14 3.5 Line Conducted Emission Data ..................................................................................15 4.0Equipment Photographs...................................................................................................... 17 5.0Product Labelling................................................................................................................. 19 6.0Technical Specifications...................................................................................................... 21 7.0Instruction Manual.............................................................................................................. 23 INTERTEK TESTING SERVICES FCC ID: AAO4300494R iv List of attached file Exhibit typeFile Descriptionfilename Cover LetterLetter of Agencyletter.pdf Test ReportTest Reportreport.doc Test Setup PhotoRadiated Emissionradiated.jpg Test Setup PhotoConducted Emissionconduct1.jpg, conduct2.jpg Test ReportConducted Emission Test Resultconduct.pdf External PhotoExternal Photoophoto1.jpg, ophoto2.jpg Internal PhotoInternal Photoiphoto1.jpg to iphoto4.jpg Block DiagramBlock Diagramblock.pdf SchematicsCircuit Diagramcircuit.pdf ID Label/LocationLabel Artwork and Locationlabel.pdf User ManualUser Manualmanual.pdf INTERTEK TESTING SERVICES FCC ID: AAO4300494R 1 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TESTING SERVICES FCC ID: AAO4300494R 2 1.0General Description 1.1Product Description The Equipment Under Test (EUT) is a superheterodyne receiver portion of FM Cordless room monitor system operating at 49.860 & 49.890 MHz at an intermediate frequency (IF) 0.455MHz. The EUT is powered by a 9V AC/DC adaptor. This device is designed assist adults in child supervision. It has a power switch and channel switch. The audio signal which is transmitted from the transmitter and received by the receiver for child supervision. The brief circuit description is listed in the following : -Q101 and associated circuit act as RF amplifier. -IC101 and associated circuit act as mixer and IF amplifier. -X101 and X102 and associated circuit act as local oscillator. -IC102 and associated circuit act as audio amplifier -IC103 and associated circuit act as input amplifier. 1.2Related Submittal(s) Grants This is an application for Certification of a superheterodyne receiver. The FCC ID for the transmitter associated with this receiver is AAO4300494T. INTERTEK TESTING SERVICES FCC ID: AAO4300494R 3 1.3Test Methodology Both AC mains line-conducted and radiated emission measurements were performed according to the procedures in ANSI C63.4 (…

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