A microcomputer-based system using Intel's 8085A microprocessor has been developed for the ground checkout of the -rocket-borne instruments used for measuring electric field and electron density in the upper atmosphere. The complete system consists of an SDK-85 microcomputer, a 10 nA to 0.5 mA current source, and exponential sweep-frequency generator and analogue I/O modules. In addition to this, an audio cassette recorder and a printer are also included in the system. The sweep-frequency generator sweeps the entire frequency range of 50 Hz to 5 kHz in exponential steps. The current source has been realized by a set of resistors connected to a voltage source through programmable FET switches and is used for the calibration of a Langmuir probe payload. The audio cassette recorder is being used for mass storage of programmed and data.


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    Title :

    Microcomputer-based payload checkout system


    Additional title:

    Nutzlast-Pruefsystem auf Mikrocomputerbasis


    Contributors:
    Pal, S. (author) / Misra, R.N. (author) / Acharya, Y.B. (author)


    Publication date :

    1983


    Size :

    5 Seiten, 5 Quellen


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English