HAP91331T49Remote Control Toy Transmitter
Echo Toys Ltd
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Application Details
- Equipment Class
- DXX - Part 15 Low Power Communication Device Transmitter
- Date of Grant
- Jul 06, 2004
- Application Purpose
- Original Equipment
- Date of Application
- Jul 06, 2004
- Equipment Note
- Remote Control Toy Transmitter
- Frequency Range
- 49.86000000 - 49.86000000
- Company
- Echo Toys Ltd
- Country
- Hong Kong
Documents & Files
Document Text
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Block Diagram
HKL.sch-1 - Wed Jun 02 20:54:46 2004 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
ID Label/Location Info
FCC ID Location FCC ID: HAP91331T49 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Operational Description
Model No: 91331-49.860MHz CIRCUIT DESCRIPTION In transmitter, press the Forward, Forward-Left, Forward-Right, Or press the backward, Backward-left, Backward -Right, Or press the Left,Or press the Right,output U1 pin 8 supply encoding signal. Q1 & X1 is a crystal oscillator of 49.860MHz frequency. Q2 is a modulator. Output of Q2 drives the transformer T1. The antenna is coupled to the modulator by the transformer. In receiver L1 is tuning 49.860MHz frequency. And Q1 is a RF amplifier and detector stage. U1 is a signal amplifier and decoder, it controls the output of U1 pin6, 7 and pin10,11, 12. Q2, Q3, Q6and Q7 are regulator. Q4, Q5, Q2, Q3 are left -motor driver, and Q6,Q7, Q8, Q9 are Right -motor driver. ANTENNA AND GROUND CIRCUITRY This unit makes use of an external flexible 42 centimeters long mast antenna. The antenna is inductively coupled. The unit relies on the ground tract of the printed circuit board. No external ground is provided. Energy is supplied by “AAA” x 4- batteries(6 volts). 写字楼及陈列室 OFFICE & SHOWROOM： 香港九龙尖沙咀东部么地道67号半岛中心1108室 ROOM 1108 PENINSULA CENTRE，67 MODY ROAD，TSIM SHA TSUI EAST，KOWLOON，HONG KONG. TEL:（852）2723 8038 FAX：（852）2665 4068 E-MAIL ADDRESS: [email protected]
Schematics
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Contact Information
Applicant
Oliver Chan(General Manager)
852 2723-8038Fax: 852 2665-4068
Test Firm
SGS-CSTC Standards Technical Services Co., LtdJerry Chan
Technical Specifications
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 49.86 MHz - 49.86 MHz | - |
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