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Automatic gain control circuit and receiver device having the automatic gain control circuit, and automatic gain control method
Automatic gain control circuit and receiver device having the automatic gain control circuit, and automatic gain control method
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机译:自动增益控制电路以及具有该自动增益控制电路的接收器装置以及自动增益控制方法
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摘要
An automatic gain control circuit optimizes a follow-up performance of an automatic gain control loop to thus assure a good receiving operation. A generation timing or a generation period of a control signal GC is decided in response to a lapsed time in operation of the receiver device. For a predetermined rise period from a non-operated state to the steady operation state when a power supply is shifted from its OFF state to its ON state (power supply is turned ON) or at the time of intermittent receiving operation, the generation period of the control signal GC is set shorter than the generation period in a steady operation state so as to accelerate the response characteristic of the automatic gain control gain rather than the steady operation condition, and then switched to the generation period in the steady operation state after a predetermined time.
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