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System and method of operating automatic gain control in the presence of high peak-to-average ratio blockers
System and method of operating automatic gain control in the presence of high peak-to-average ratio blockers
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机译:在存在高峰均比阻塞器的情况下操作自动增益控制的系统和方法
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摘要
A wireless receiver including a gain network that adjusts a gain of a received wireless signal and provides an RF signal, a level detector that provides a level indication while a strength of the RF signal is at least an RF level threshold, a timing system that provides a timing value indicative of a total amount of time that the level indication is provided during a timing window, a gain up disable circuit that provides a gain up disable signal when the timing value reaches a low threshold, a blocker strength detect circuit that provides a gain down request signal when the timing value reaches a high threshold, and an AGC circuit that does not increase the gain of the gain network while the gain up disable signal is provided, and that allows a reduction of the gain of the gain network while the gain down request signal is provided.
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