Block diagrams

FCC ID: JF69928RT

Block Diagram

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FCCID_82278

                                                                       9928RT : Radio Termination
                                                                                  ARCHITECTURE




                                                                      Image Reject Mixer
                                                           B
                                               TX IF



                                                                                                        WG diplexer
                                      Power supply

                      A


                                     Configuration
Coaxial cable
to NT (N connector)                                                                    PLL LO
                             (BNO connector)
                                                                                                                 Parabolic dish
                                                                                                                 antenna


                                               RX IF       C

                                                                                             LNA
                                                                        Image Reject Mixer
                      IF INTERFACE
                                                                   RF front-end
                                                                                                   RT



                                                       Exhibit 1


                                            9928RT : Radio Termination
                                               BLOCK DIAGRAM               IF



                                                                      B

                                                                    520-700 MHz


IF diplexer   75/50
                                                   configuration
                       Power
 A                     supply                                             SDA
                                                              E²POT


                                                                          SCL


 Surge        75/50                                            I²C interface
 arrestor
                       5V +5V +10V
                      -5V

                                                                      C


                                                                   1020-1200 MHz




                                Exhibit 2


                                                 9928RT : Radio Termination
                                                      BLOCK DIAGRAM       RF




           B               TRANSMIT CHAIN                                  D

                                                                     WG
 400-700 MHz                                                              27500-28000 MHz



                LO
                            X2
      +10V      PLL

       +5V                                        26980, 27150, or
                                                  27450 MHz
       -              x2


                                                                           E
           C
                                                                     WG
1020-1200 MHz                                    RECEIVE CHAIN            28000-28350 MHz
   or                                                                        or
1650-1800 MHz                                                             29100-29250 MHz



                                     Exhibit 3


                                                       9928RT : Network Termination
                                                                         ARCHITECTURE




               T1/E1                       TX IF
2 Ports
T1/E1        interface

                                   QPSK                                                 Diplexer
                                   Burst                                  TX LO
                                   Modulator
                                                                   PLL
             Baseband
             interface                                             Synthesizer
                                                                                                   Coaxial cable
                                                                                                   to RT
                                                                          RX LO                    (F connector)

                                           RX I/Q
            Controller

2 Ports     ETHERNET
Ethernet   INTERFACE
                         IF INTERFACE                  RADIO INTERFACE
                                                                                    NT



                                           Exhibit 4



Document Created: 2001-04-27 12:14:12
Document Modified: 2001-04-27 12:14:12

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