Class F Power Amplifier Thesis

Class F Power Amplifier Thesis-30
Three PAs were designed, one operating at 0.9 GHz and the other two at 2.45 GHz.

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A demonstration on the direct integration of the class-F PA and an H-shaped patch antenna using an active integrated antenna (AIA) approach is also presented.

To obtain a high efficiency PA, it is necessary to ensure that the power dissipated in the active device is minimised and this is achieved by ensuring that the overlapping area between the drain voltage and current waveforms in the time domain is minimised.

In the first design the load and source matching networks used in the PA were employed with the H- shaped antenna replacing the 50 9 load.

In order to further minimise the size, cost, and losses, a new second AIA design was proposed.

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For further information, including about cookie settings, please read our Cookie Policy .The study focused on the technique used in designing a class F PA especially at GHz frequencies. Several works on the class F PA with different semiconductor technologies from year 2001 to 2016 are discussed. To learn more or modify/prevent the use of cookies, see our Cookie Policy and Privacy Policy.ABSTRACT This thesis presents the research carried out into the effects of load and source harmonic terminations on the efficiency of a class-F power amplifier (PA).For matching, a new explicit matrix input impedance formula for the H-shaped antenna has been obtained using segmentation method.Using this formula, the location of the probe feed could be adjusted to obtain the required impedance at the pre-assigned frequency.A probe feed location was found to obtain the required optimum impedance at th...Highly efficient class F power amplifier (PA) in Gigahertz (GHz) frequencies for wireless application is reviewed in this paper. By continuing to use this site, you consent to the use of cookies.We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services.

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