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Phase Shifted Transmitter (PST) operates without mixers and allows the direct generation and transmission of any envelope and phase-modulated signals. Besides of maintaining all the benefits of the standard PST architecture, the solution here proposed allows the integration of an energy recovery circuit capable to boost the efficiency of the overall transmitter up to 50%. The theoretical analysis...
Phase Shifted Transmitter (PST) operates without mixers and allows the direct generation and transmission of any envelope and phase-modulated signals. Besides of maintaining all the benefits of the standard PST architecture, the solution here proposed allows the integration of an energy recovery circuit capable to boost the efficiency of the overall transmitter up to 50%. The theoretical analysis...
The trades involved in the decision to include linearization in the design of a microwave high power amplifier will be discussed. Emphasis will be placed on the use of predistortion linearization, and particularly on its application with amplifiers employing recently available GaN FET power devices. Both digital and analog techniques will be considered.
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