Presentation on Digital Predistortion of Power Amplifiers - Agilent ...
Presentation on Digital Predistortion of Power Amplifiers - Agilent ...
Presentation on Digital Predistortion of Power Amplifiers - Agilent ...
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<strong>Digital</strong> Predistorti<strong>on</strong> - 20<br />
Complex Gain Adjuster <strong>of</strong> Predistorter<br />
In-phase<br />
In-phase<br />
<strong>Power</strong> <strong>Power</strong> Amplifier<br />
Amplifier<br />
Input Output<br />
Input<br />
Output<br />
Quadrature<br />
Quadrature<br />
<strong>Digital</strong> Predistorti<strong>on</strong> <strong>of</strong> <strong>Power</strong> Amps<br />
June, 01<br />
Page 20<br />
The complex gain adjuster c<strong>on</strong>sists <strong>of</strong> two real multipliers, a 90 degree phase shifter, a power<br />
splitter and a power combiner. Because we are using a behavioural model for the power<br />
amplifier we can avoid the frequency translati<strong>on</strong>s.
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