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In an analog microwave radio system, the flat fade margin is equal to the system total Gains minus system total losses

In a digital microwave radio system, the "flat" or thermal fade margin (TFM) is calculated from the system total Gains minus system total losses.

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17y ago
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6mo ago

Thermal fade margin is typically calculated as the difference between the system temperature and the reference temperature at which the link budget was originally calculated, taking into account the temperature-dependent parameters such as cable attenuation and equipment noise figure. The formula for computing thermal fade margin varies depending on the specific system and parameters involved.

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Q: What is the formula for computing thermal fade margin?
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What is thermal fade margin?

Thermal fade margin TFM in db is the difference between the normal received signal RSL at the input of microwave receiver expressed in dbm and the receiver's threshold ( given by the manufacturer) expressed in dbm TFM = RSL - TH


What is fading margin?

Thermal fade margin TFM in db is the difference between the normal received signal RSL at the input of microwave receiver expressed in dbm and the receiver's threshold ( given by the manufacturer) expressed in dbm TFM = RSL - TH


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Link margin is the system design concern to the communication link and does not concern the only feed system of communication link, fade margin is particularly concern with the feed system of communication link.


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