Definitions
Solid-state RF power amplifiers - Classes, system and technologies

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E1610 V1 Article

Definitions
Solid-state RF power amplifiers - Classes, system and technologies

Author : Michel TURIN

Publication date: May 10, 2008 | Lire en français

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1. Definitions

1.1 Characteristic values

We remind you of the definitions of the main quantities needed to understand the following paragraphs.

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1.1.1 Electrical efficiency and PAE

The collector efficiency η (electrical) of an amplifier stage is by definition the ratio of the RF power delivered to the load to the power consumed by the DC power supply:

η=Ps/Pa
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