Why a power amplifier is important? $ i$ X/ L2 R! V1 s) \: E. V- PPower amplifier is a key element to build a wireless communication system successfully. % s" ~) G8 o/ e+ D+ Y7 ^There is a trade-off between power per cost vs. efficiency and linearity. s: L7 Y1 q8 ]# `* u+ _
Digital communications require more peak power for the same bit error rate.3 r. [* e% t/ m2 a( `4 D
To minimize spectral re-growth and inteRFerences, transmitters have to be more linear.4 M! ^- j% h7 h- h4 H4 \# o. ~
Clear modulation scheme requires more higher power and broader bandwidth.* }! i4 I+ n3 i6 |2 S
What is a solution from Ansoft?
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发表于 2018-11-13 09:13
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