The accounting of signal power, loss, noise and penalties along a link from transmitter to receiver, showing whether the link closes with margin at its rate and reach. Used for optical links in photonics and radio links in RF.
Analysis Work product in the AI accelerator lifecycle, the Silicon photonics and optical interconnect lifecycle and the RF and mmWave product lifecycle
It is the quantitative basis for the architecture, the component targets and the business case. An unbaselined budget lets different teams spend the same margin several times, designs components to inconsistent numbers and leaves the link failing at corners nobody added up. In the photonics lifecycle it covers optical power and penalties; in the RF lifecycle it covers path loss, gain, noise figure and interference.
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