The low drive power requirements of field effect transistors make the idea of using FET`s in the power stages of audio amplifiers very attractive. However, economical power FET`s with current capability above a few hundred milliamperes are beyond present technology. This paper describes how combinations of present FET`s and power transistors behave as power FET`s. A Class-B amplifier design is presented to illustrate the technique.
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https://aes2.org/publications/elibrary-page/?id=987
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