| 摘要 |
<p>A high frequency power amplifying circuit where a first amplifying element and a second amplifying element of the same structure as the above first amplifying element and being reduced to 1/M in element size are used, the above first amplifying element and the second amplifying element are supplied with the same bias voltage from a power control circuit, and the power output of the above first amplifying element is judged based on the output current ouputted from the output terminal of the above second amplifying element.</p> |
