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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 dissipated....
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Solid-state amplifiers and performance
SSPA linearity
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A complete list would be difficult to draw up in the case of the solid state, given the diversity of the players involved. It would have to include epitaxial wafer manufacturers, foundries (open or not, or even captive foundries, some of which are large industrial laboratories with a predominantly research activity), design houses, microelectronics assembly companies, transmitter manufacturers and even some...
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