Block Diagram

FCC ID: ZBMAD203

Block Diagram

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FCCID_1471649

    Crystal                                      Antenna
    32768Hz
   32768Hz (X2)                                   2457MHz




    Microcontroller            2.4GHz            Antenna
       AXB 01 (U1)
                               Transmission IC   Matching
                               nRF24L01+ (U2)    Network
                                                 L1,L2,L3,L6,L7,L8,
                                                 C1,C2,C3,C21,C22,
    Read Switch
    Reed                                         C23,C24,C26

                               Crystal 16MHz
                                     (X1)




AD203 Cadence Sensor Block Diagram


nRF24L01+ Product Specification

1.2        Block diagram

           RF Transmitter                                                  Baseband
                                                                                                                    CSN
                                   TX                GFSK                             TX FIFOs
                     PA                                                                                             SCK
                                  Filter            Modulator
                                                                                                     SPI
                                                                                                                    MISO

           RF Receiver                                                         Enhanced ShockBurst                  MOSI
                                                                                 Baseband Engine

 ANT1                                                                                                               IRQ
                                   RX                GFSK                                                            CE




                                                                                                     Register map
               LNA
                                  Filter           Demodulator
  ANT2
                                                                                      RX FIFOs

  XC1
                 RF Synthesiser        Power Management                           Radio Control
  XC2
                                                           DVDD
                                                                  VDD_PA
                                             VDD
                                     VSS


                                                    IREF




                                           Figure 1. nRF24L01+ block diagram




Revision 1.0                                                 Page 9 of 78



Document Created: 2011-05-14 16:39:53
Document Modified: 2011-05-14 16:39:53

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