Power added efficiency

Power added efficiency

Power-added efficiency (PAE) is a percentage that rates the efficiency of a power amplifier.

:PAE = 100*{ [POUT] RF – [PIN] RF} / [PDC] TOTAL

However, in literature, most power efficiency descriptions refer to a percentage calculated as

:η = 100* [POUT] RF / [PIN] DC

This value is larger than the PAE.

References

* http://www.maxim-ic.com/glossary/index.cfm/Ac/V/ID/1010/Tm/power-added-efficiency-PAE
* http://www.microwaves101.com/encyclopedia/efficiency.cfm


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