| 摘要 |
According to one embodiment, a high-frequency amplifier is provided with a field effect transistor for performing amplification, and a stabilizing circuit. The field effect transistor has a source which is configured to be grounded. The stabilizing circuit is connected to a gate of the field effect transistor. The stabilizing circuit has impedance which changes so as to increase as the voltage of a drain of the field effect transistor increases.
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