Block Diagram

FCC ID: MQ4WB1K5

Block Diagram

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FCCID_293567

                                                              Wb1500 Block Diagram
                                                                                                                                     Base-band Controller
                                                Transmitter & Receiver
          Transmitter frequency(Ft)
          & Receiver frequency(Fr)
          =2412MHz-2484MHz                                                                     Synthesizer
                                                                                                                               Reference
                                                     Reference frequency                          44MHz                        frequency
                                                                                           crystal oscillator
                                                                                                   U16                                                       VCCS
MMCX                             Fr
               Fr                                                                3.3V
  Ft                                                          Power Supply
                                                                                                                                                    3.3V
 Rx/Tx SW                                                      REG 3.0V                               Reference
                        ANT SW
 AS179-92                                                     AME8801BEEV                             frequency                                             REG 3.3V
                       AS179-92
    U4                                                            U12                                                                                        RT9163
                          U5
                                                                                                                                     VCCS                     U51


   LPF                                                                                                              Rx I                                                PC
LFL212G45                                                                                Quadrature modem &                 Medium Control Access
   U19                                                                                       Synthesizer            Rx Q              &
                        BPF           RF/IF Converter &                                                                                                       PCMCIA
                                                                                                                             Base-band Processor
         Ft           MDR642E                                              SAW                                                                                Socket
                         U2
                                           Synthesizer                                          HFA3783              Tx I
                                                                            U8                                                                                         5.0V
     PA
                                                                                                  U15                             ISL3873                       P1
  HFA3984                                                                                                            Tx Q
                                              HFA3685                F0=374MHz                                                      U10
    U24                                                                                             PLL
                                                U6
                                                                                                    Synthesizer                                  External memory
    BPF                 BPF
  MDR642E             MDR642E                  PLL                                                 VCO
     U3                 U18                                                                    ENFVHIK2S80
                                                                                                   U17
                                                                                                                                        Flash                SRAM
              Ft                                        Buffer                                        F0=748.5MHz                   SST39VF010-90          128K16-55
                                                                            Power Supply
                                    VCO                UPG2745TB                                                                           U13                U11
       2412~2484MHz             ENFVHIK2S81                U7               REG 2.8V
                                     U9                                    AME8801CEEV
                                                                               U14
                            Freq range:         Synthesizer                                                                                VCCS              VCCS
                            2038~2110MHz                                            3.3V



Document Created: 2002-01-22 16:32:32
Document Modified: 2002-01-22 16:32:32

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