The evolution of high power multi-channel communication and direct broadcast (DBS) satellites with transmit and receive functions combined into a single antenna typically result in a source of interference which must be controlled. This source of interference is passive intermodulation products (PIMs) which are formed when two transmit carriers beat together to generate harmonics that fall into the receive band. This paper describes how PIMs were initially generated in high power Ku-band antennas on the Intelsat VIIA satellite program and the extraordinary methods used to suppress them. The method used to measure PIM levels is described and the test data results that demonstrate the performance achieved is given.


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    Titel :

    Minimizing passive intermodulation product generation in high power satellites


    Beteiligte:
    Schennum, G.H. (Autor:in) / Rosati, G. (Autor:in)


    Erscheinungsdatum :

    01.01.1996


    Format / Umfang :

    605814 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Minimizing Passive Intermodulation Product Generation in High Power Satellites

    Schennum, G. H. / Rosati, G. / IEEE; Aerospace and Electronics Systems Society | British Library Conference Proceedings | 1996