Solid-state amplifiers and performance
Solid-state microwave power
Article REF: E1623 V1
Solid-state amplifiers and performance
Solid-state microwave power

Author : Thierry LEMOINE

Publication date: February 10, 2018, Review date: December 15, 2022 | Lire en français

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3. Solid-state amplifiers and performance

In § 2 , we looked at the operation of a power transistor and its output matching conditions. However, describing the amplifier that incorporates this transistor also requires specifying the polarization (or power supply) conditions, which define the so-called operating class, giving access to an essential parameter, electrical efficiency.

Calculating the efficiency of an amplifier means estimating the power...

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