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    模拟硅高频头
    中频输出全制式硅高频头

    1—1 Support color standard         NTSC , PAL & SECAM  system

    1—2 Receiving frequency        42MHz to 900MHz

    1—3 Max in put power           10 dBm

    1—4 Input structure              F (RF IN)
     
    1—5 Nominal input impedance      75Ω (RF IN)

    1—6 Intermediate frequency         LOW IF

    1—7 Channel selection system      Electronic tuning . PLL synthesizer
     (RT610 or equivalent IC, Clock 16MHz)
    1—8 IF band width                6/7/8MHz

     1—9 Adapted formal standard       Electric appliance and material control C.I.S.P.R law.



    When use the main IC is MStar project,the IF must design as follows :






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