4

FCC ID: MIBRF60102

Block Diagram

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FCCID_31394

                                     0                    0                o                       @       .
               _                 —                                                            QTk1J—roo2
               RELink ’s"y',';ffl’i“fwm“, RS232, Model RF—60102—XX                   Eaifiow
               QTK99—FO02A: 2.4 GHz Spread Spectrum Transceiver
               QTK99—FO02B: Class B Computing Device Peripheral



                                                                               RSSI from RF

         DTE                                  ROM                 r———————» Control Signal to RF
         232                                                                            > L.O. to RF
         Line
         Driver
                                                 l                                        36.864MHz


          ¥—                                                           192K                    To RF
                          rro|_,.                     CPU             243|       DSSS         ToRF
                                                                                              ‘~ 3.072M
         232
         Line
115.2K   Driver                                       |       |



         DCE
                                         EEPROM                   SRAM

               2AGHz WL—RS232 Base Band Block Diagram


                                                                                                                                     ‘w
                                                                                                                                 +


FCC ID: MIBRF601
                     02                              0102—XX
                                ss RS232, Model RF—6 r
                                                                                                              Q Ti 14 —rp42 .
                                                                                                 Feazp: MLBRELYI9a
           st em In c. / Wirele
RF—Link Sy                               tram Transceive
                    4 GHz Spread Spec
Q‘l'l(99-m02A: 1.                             Peripheral
       FO 02 B:  Cl as s B  Computing Device
QTk99—


          Data In
            ————*| LPF                                                                                               15 ChannEeL
                                                                                                                     24 6m2 TX ry
                          Gaussi an                                                                                 42—3

                          filter                                                                                   Fuan: h1B&fg6162


                                                                                                        T/R
                                                                                                        Switch

                                                                                    hesizer        X‘— BPF
                                                               VCO |«] LPF «—| Synt

                                                                                    | |
                                                                                  Control   L.O.
                                                                                  Si gnal   36.864MHz
                           Data
                           Slicer
          Data Out           Z‘                                                BPF    4—
                                                                                            LNA
              4————
                                           modulation
                                                      «—| BPF
                                      De
                                                                                                         BPF: Band pass filter
                                                               1F=139.008MHz                             LPF: Low pass filter
‘           RSSI
               _
                                                          R F M o d u l e Block Di                agram
                                   2. AGH z WL— R S 2 3 2



Document Created: 2001-06-26 23:47:52
Document Modified: 2001-06-26 23:47:52

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