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microwave link

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  • #63112 Reply

    Why there is -ve sign before the measurement of Rx Level in Microwave link?

    #63113 Reply

    It is always measured in dBm. The level is positive in microvolts but its equivalent in dBm is negative. e.g 1Watt=+30dBm
    +0.3Microvolt(75 Ohms)= -119dBm
    You get a clear picture if you refer to volts verses dBm table.

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