block diagram

FCC ID: PIYB5120-04A4T

Block Diagram

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FCCID_421762

BLOCK-DIAGRAM
B5120 TRANSMITTER
MAIN PCB :PIYB5120-04A4T
            LED




                                                                                                    ANTENNA
                                               VOLTAGE
                                               REGULATOR

       9V BATTERY
                                                                                     RF AMPLIFIER
                                                       U1               CRYSTAL      MODULATOR
                                                                        OSCILLATOR
                                                                                     FILTER
          POWER ON/OFF                           VDD         Clock
                                                             2.01MHz
                                                             OSC1



                     Forward                     EM78156EH             49.86MHZ

                     Backward
                     Left
                     Right

                     Steering Motor Forward

                     Steering Motor Backward
                                                 VSS



Document Created: 2004-05-11 10:42:41
Document Modified: 2004-05-11 10:42:41

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