| 摘要 |
PURPOSE:To attain the maximum output power with the maximum power voltage rating of a monolithic IC by providing a power voltage limit section limiting a power voltage in a range of the maximum power voltage rating of the monolithic IC. CONSTITUTION:A power voltage limit section 5 acts like limiting a power voltage in a range of the maximum power voltage rating of the monolithic IC at no load. Further, the power voltage limit section 5 acts like supplying a power voltage to the monolithic IC with low loss at the maximum output power. In setting the power voltage within the maximum power voltage rating of a monolithic IC voltage amplifier section 2 through the constitution of the power voltage limit section 5, the power voltage is increased near the maximum power voltage rating of the monolithic IC.
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