| 摘要 |
A radio receiving apparatus includes a high-frequency amplifier, an intermediate-frequency amplifier, a reception electric field strength detector, and a control section. The high-frequency amplifier is connected to a signal line of a reception system for a radio signal and can be disconnected from the signal line. The intermediate-frequency amplifier is connected to the signal line on an output side of the first circuit element and can be disconnected from the signal line. The reception electric field strength detector detects the reception electric field level of a radio signal. The control section performs control to disconnect at least one of the first and second circuit elements from the signal line and also performs control to stop supplying power to the disconnected circuit element in accordance with the electric field level detected by the reception electric field strength detector.
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