Measuring Output Resistance of a B Class HF Power Amplifier Using Energy Considerations

Teodor Petriţa, Şoflete Liviu,Florin Alexa

2023 17th International Conference on Engineering of Modern Electric Systems (EMES)（2023）

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摘要

A method of measuring internal impedance of a radiofrequency power amplifier is proposed, based on power supply measurements. We used for demonstration an old CB (citizen band) power amplifier, which works in pure B class and it is rated at 150W.

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关键词

internal impedance,RF power amplifier,RF transmitter,maximal power output,transmitter efficiency,energy balance

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