| 摘要 |
A transmission power control device which amplifies in a driver amplifier 2 , and in a power amplifier 4 to which the output from the driver amplifier is inputted, so that the power of a signal to be transmitted may become predetermined target transmission power, detects an electric-current which flows to the power amplifier 4 from a power supply, and adjusts the gain of the driver amplifier 2 based on this detected electric-current.
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