Block Diagram

FCC ID: OYK-TX049860-0305

Block Diagram

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FCCID_298636

                                                                                                   REV    |DETAIL CHANGE       DATE            APPROVED BY
       Project No: 82171
       Project Name: R/C Hovercraft (TX)
       Transmit Frequency : 27.145 MHz
       Version : A
       Date : Dec.09.02


         I
         I


         j                                           44 .860 VIHS
         E                                           Oscillator           | Mix & Amplify
         i                                            Circuit                  Circuit
         1

         E                                               @1                            Q2

         E                                              25C1815Y                     2SC1815Y
         |                                               ,
         I
         I
         I
                                                                                                                      6
         i                                                                                                            1
         I       Trigger Circuit                 Encoding Circuit                                                     1
                                                                                                                      1
         1
                                                                                                                      i                mame BAT!
         ;0_       vallfin                          u1—tyDoso
         1                           2

               |_—o0 o—      s1 s2                                                                                    :                  um 3.0V

         i                                                                                                            i
                                                                                                                      1
         I                                                                                                            1
         1                                                                                                            i
         I                                                                                                            t
         I
                                                                                                                      1                  =——


REMARK :
   1. Encoding signal will be generated by U1 When press the trigger

     and it will be mixed & oamplified with transport Frequency by Q2 .
                                                                             SO[LM@T[LfiE(D                      DWG. NAME            Block Diagram
   2. Modulating signal will be transmitted through ANT Network .
                                                                             Silverlit Toys Mnnufnctnry Ltd.    DWG. NO.
                                                                             26 Fleor, 36 Runenk

                                                                             ITEM NO 82171 ITEM NAME                R/C Hovercraft _(TX)
                                                                                                                          DRAWN/DATE CHXY /Dec         2
                                                                                                                          CHK/DATE                4

                                                                             scaLe | a4 _| PacE | / or /                  app/pate
                                                                                                                                     SF—PE—0070—5/2000—99



Document Created: 2002-12-23 17:46:04
Document Modified: 2002-12-23 17:46:04

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