A method for minimizing unwanted signal harmonics from at least one signal in a channel received through a monobit receiver, comprising: conditioning (312) the channel, determining (318, 320) relative strength between two frequency components of a signal within the channel, and using that relative strength (322) to control (324) how the channel is conditioned. In other embodiments, a system for receiving signals in a channel and minimizing unwanted harmonics from those signals has a monobit receiver (104, 204), a channel conditioner (124, 228, 230), and a feedback driver (114, 118, 208, 216, 218, 224) determining relative strength (116, 122, 220, 222, 226) between two frequency components of a received signal and using that determination to control the channel conditioner in a way that urges the relative strength toward a desired value.
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