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  3. T4T4892-27MHZ

T4T4892-27MHZToy Go Car

Welbig Company
Toy Go Car - FCC ID T4T4892-27MHZ - Welbig Company
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Application Details

Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
Date of Grant
Apr 04, 2006
Application Purpose
Original Equipment
Date of Application
Apr 04, 2006
Equipment Note
Toy Go Car
Frequency Range
27.14500000 - 27.14500000
Company
Welbig Company
Country
Hong Kong

Documents & Files

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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.

Test Report

F F C C C C - - T T E E S S T T R R E E P P O O R R T T REPORT NO.: 44732 FCC – Test Report No. 44732 Date: 2006-03-28 Page 2 of 18 FCC listed testlab acc. to Section 2.948 of the FCC - Rules in compliance with the requirements of ANSI C63.4 - 2003 Product : Toy Go Car Product Class : Low Power Communication Device Transmitter Brand Name : - Model : #4892-27MHz Applicant : WELBIG COMPANY FCC – Test Report No. 44732 Date: 2006-03-28 Page 3 of 18 TABLE OF CONTENTS 1. Cover sheet 2. Introduction 3. Table of Contents 4. Laboratory Report 5. Test Location and Summary of Test Results 6. Test Equipment List and Test Support Units 7. Radiated Emission Test Procedure (> 30MHz) 8. Radiated Emission Test Procedure (9kHz – 30MHz) 9. Measurement Data 10-11. Time Domain Plot 12. Measurement Data 13. Notes for Radiated Emission Measurement (acc. to ANSI C63.4 – 2003) 14. Measurement of Emissions within Band Edges (Band Edges Plot) 15. Notes for Measurement of Emissions within Band Edges 16-18. Photographs FCC – Test Report No. 44732 Date: 2006-03-28 Page 5 of 18 Test Location International Electrical Certification Centre Ltd. Unit 602-605, 31 Lok Yip Road, On Lok Tsuen, Fanling, N.T., Hong Kong Summary of Test Results Radiated Emission: Test result: O.K. Test data: See attached data sheet Conducted Emission: Test result: N.A. Test data: N.A. Measurement of Emissions within Band Edges Test result: O.K. Test data: See attached data sheet FCC – Test Report No. 44732 Date: 2006-03-28 Page 6 of 18 TEST EQUIPMENT LIST Equipment Manufacturer Model Serial No. Remark Test Receiver Rohde & Schwarz ESVP 860688/022 20MHz – 1,300 MHz Test Receiver Rohde & Schwarz ESH 3 892580/006 9KHz – 30MHz Antenna Schaffner CBL6111C 2791 30MHz – 1000MHz Antenna Schwarzbeck BBA 9106 / UHALP 9107 -- 30MHz – 1000MHz Antenna Mast System Schwarzbeck AM9104 -- Max. 4 meters height Loop Antenna Rohde & Schwarz HFH2-Z2 871336/48 9KHz-30MHz Turntable with Controller Drehtisch DT312 -- φ120 cm Spectrum Analyzer with Q. Peak Advantest R3132 140101852 9KHz – 3GHz FCC – Test Report No. 44732 Date: 2006-03-28 Page 7 of 18 Radiated Emission Test Procedure (> 30MHz) Equipment under test (on turntable) Test receiver ESVP Rohde & Schwarz Required test distance: 3m Antenna system Schwarzbeck BBA 9106/ UHALP 9107 FCC – Test Report No. 44732 Date: 2006-03-28 Page 8 of 18 Radiated Emission Test Procedure ( 9kHz – 30MHz) Test distance : 3 m Loop antenna HFH2-Z2 Rohde & Schwarz Equipment under test (on turntable) Test Receiver ESH3 Rohde & Schwarz 92Radiated EmissionDate : 2006-03-28 Page: 9 of 18 Measurement of Radiated Emissions FCC Part 15 Subpart C (15.227) IECC Ref:44732 Test Equipment Model:#4892-27MHzReceiver: ESVP Rohde & Schwarz Applicant:WELBIG COMPANYAntenna: HFH2-Z2 Rohde & Schwarz Sample No.:1 Set under test:Toy Go Car Connected sets: - Operating mode:Power "On" Radiation Measurement (3 m) below 30MHz a. Fundamental Frequency Frequency (MHz) Maximum Test Result (dB(μV/m)) FCC Limit (dB(μV/m)) PeakAverage *PeakAverage 27.14570.065.310080 Note : (1) The above peak value is the maximum value of the measurement in 3 orthogonal planes (2) * Calculation for radiation (average) : Formula : Duty cycle = (N1L1 + N2L2 + ... + Nn-1Ln-1 + NnLn) / 100 or T where N1 is number of type 1 pluse, L1 is length of type 1 pulse, etc. T is the period of the pulse train (if less than 100 ms) According to the time domain plots shown in page 10 & 11 : Duty cycle of the EUT = (4x1.56 + 40x0.54) / 48.09 = 0.5789 Av correction factor = 20 x log(0.5789) dB Radiation (average) = Radiation (peak) + Av correction factor Radiation (average) of the EUT = 70.0 - 4.74 dB(μV/m) = 65.3 dB(μV/m) b. The measured radiation outside the operation band were negliginle = - 4.74 dB 92Radiated EmissionDate : 2006-03-28 Page: 10 of 18 Transmitter Emission - Time Domain Plots Pulse cycle period = 48.09 ms 92Radiated EmissionDate : 2006-03-28 Page: 11 of 18 Transmitter Emission - Time Domain Plots Pulse width = 1.56 ms (total number of pulse : 4) Pulse width = 0.54 ms (total number of pulse : 40) 15 2Radiated Emission Measurement of Radiated EmissionsDate : 2006-03-28 FCC Part 15 Subpart C (15.209) Page 12 of 18 IECC Ref:44732Test Equipment Model:#4892-27MHzReceiver: ESVP Rohde & Schwarz Applicant:WELBIG COMPANYAntenna: Schaffner CBL6111C Sample No. :1 Set under test:Toy Go Car Connected sets: - Operating mode:Power "On" Fundamental Frequency :27.145 MHz Radiation Measurement over 30MHz Frequency (MHz) Horz. Reading dB(μV) Vert. Reading dB(μV) Corr. Factor (dB) Horiz. Test Result dB(μV/m) Vert. Test Result dB(μV/m) Limit dB(μV/m) Harm.254.29<16<166.1< 22.1 < 22.140.0 Harm.381.44<16217.1< 23.128.140.0 Harm.4108.58<16<1610.2< 26.2 < 26.243.5 Harm.5135.73<16<1611.1< 27.1 < 27.143.5 Harm.6162.87<16<169.5< 25.5 < 25.543.5 Harm.7190.02<16<168.2< 24.2 < 24.243.5 Harm.8217.16<16<168.2< 24.2 < 24.246.0 Harm.9244.31<16<1611.3< 27.3 < 27.346.0 Harm. 10271.45<16<1612.6< 28.6 < 28.646.0 Harm. 11298.60<16<1612.9< 28.9 < 28.946.0 Harm. 12325.74<16<1613.6< 29.6 < 29.646.0 Harm. 13352.89<16<1614.4< 30.4 < 30.446.0 Harm. 14380.03<16<1615.3< 31.3 < 31.346.0 Harm. 15407.18<16<1616.0< 32.0 < 32.046.0 Harm. 16434.32<16<1616.6< 32.6 < 32.646.0 Harm. 17461.47<16<1617.2< 33.2 < 33.246.0 Harm. 18488.61<16<1617.7< 33.7 < 33.746.0 Harm. 19515.76<16<1618.2< 34.2 < 34.246.0 Harm. 20542.90<16<1619.5< 35.5 < 35.546.0 Harm. 21570.05<16<1620.1< 36.1 < 36.146.0 Harm. 22597.19<16<1619.3< 35.3 < 35.346.0 Harm. 23624.34<16<1620.4< 36.4 < 36.446.0 Harm. 24651.48<16<1620.1< 36.1 < 36.146.0 Harm. 25678.63<16<16 20.4< 36.4 < 36.446.0 Harm. 26705.77<16<1621.0< 37.0 < 37.046.0 Harm. 27732.92<16<1622.2< 38.2 < 38.246.0 Harm. 28760.06<16<1622.4< 38.4 < 38.446.0 Harm. 29787.21<16<1622.2< 38.2 < 38.246.0 Harm. 30814.35<16<1622.3< 38.3 < 38.346.0 Harm. 31841.50<16<1623.4< 39.4 < 39.446.0 Harm. 32868.64<16<1623.5< 39.5 < 39.546.0 Harm. 33895.79<16<1623.4< 39.4 < 39.446.0 Harm. 34922.93<16<1624.3< 40.3 < 40.346.0 Harm. 35950.08<16<1625.6<…

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Contact Information

Applicant

Bruce Li(Director)
[email protected]852-2304 7248Fax: 852-2344 9881

Test Firm

SGS IECC LimitedJeffery Chen
[email protected]852-2305-2570Fax: 852-2756- 4480

Technical Specifications

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

Other Applications from Welbig Company

TOY GO CAR - FCC ID T4T4892-49MHZT - Welbig Company
T4T4892-49MHZT

TOY GO CAR

Apr 10, 2006

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter
TOY GO CAR - FCC ID T4T4892-49MHZR - Welbig Company
T4T4892-49MHZR

TOY GO CAR

Apr 10, 2006

Equipment Class

CRR - Superregenerative Receiver
TOY CONSTRUCTION VEHICLE - FCC ID T4T8252-7392 - Welbig Company
T4T8252-7392

TOY CONSTRUCTION VEHICLE

Apr 03, 2006

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter