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US5584059A DC offset reduction in a zero-if transmitter 失效
零点发送器中的直流偏移减小

DC offset reduction in a zero-if transmitter
摘要:
A zero-IF transmitter (200) has a DC offset, representative of a carrier feedthrough signal. A value to correct the DC offset is successively approximated (207). A summer (201) adds the value to a desired input to reduce the DC offset.
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