block diagram

FCC ID: LKTERB-DS11

Block Diagram

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FCCID_107540

                                                            PHY UNIT

    3.3V_D Section                                    3.3V_RF / 3.5V_VCO Section




           CCA
MAC-RADIO                                                                                                                               SPI Synthesisers BUS
Control Bus
                                                                                                                                     PE(2:1)




                                                             Offset Calibration Enable




                                                                                                                                                                                   FCC/ETS




                                                                                                                                                                                                        T/R_SW
                                   RF 1bit




                                                                                                                                                                                             PA_PE
                                   DAC
                       RX AGC      RF 1bit
                                  ADC                                                                                           IF = 374MHz
                                   IF
                                      6bit
                                  DAC

                                                                                                                                                                                   5V_RF Section
                                   I 6bit
   MDI                                                                                                                                                                                                                     Diversity
                                  ADC                                                                                                                                                                                       Switch
                       DEMOD       Q 6bit                                                                                                                                                                        BPF   Detector
                                                                                                                                                                      AGC LNA
                                  ADC
           MODEM I/F




   MMI
                                                                                         0/90deg                                                                PLL
                                                                                            PLL         AGC IF-Amp
                                                                                                                                                                                                     Tx/Rx Switch                      LPF
                                   I 6bit
                                                                                                   +                                                                  Pre-Amp

Test Bus
                                  DAC
                       MOD         Q 6bit
                                  DAC                        1.2V
                                                                                                                                                                                                Power Amp
                                                             REF
                                                                                                                      I/Q IF
                                   TX                                                                                MODEM
                                                                                                                                                                       Up/Down
                                      7bit                                                                                                                                RF
                                  DAC                                                                                 3783                                             Converter
                       TX AGC      TX 1bit                                                                                                                               3683

                                  ADC

                                                             IF VCO                                                                                                   RF VCO
                                Base Band Processor                                                    TCXO
                                       3861                                                                              Doubler                                                                -5V REG
                                                                                                       22MHz


                                                                                                                         IF_44MHz_CLK            RF_44MHz_CLK
                                                                                                                        BB_44MHz_CLK
                                                                                                                                   ANT Select



Document Created: 2019-06-04 20:56:04
Document Modified: 2019-06-04 20:56:04

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