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TWO-STAGE EQUALIZER, METHOD OF TWO-STAGE EQUALIZATION, RECEIVER, AND COMMUNICATION SYSTEM FOR HIGH SPEED COMMUNICATION
TWO-STAGE EQUALIZER, METHOD OF TWO-STAGE EQUALIZATION, RECEIVER, AND COMMUNICATION SYSTEM FOR HIGH SPEED COMMUNICATION
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机译:高速通信的两阶段均衡器,两阶段均衡方法,接收器和通信系统
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摘要
A two-stage equalizer, a two-stage equalization method, a receiver, and a high speed communication system are provided to decrease a power consumption of the communication system by effectively compensating for a high speed data signal. A two-stage equalizer includes an emphasis circuit(4100) and a de-emphasis circuit(4200). The emphasis circuit divides an input signal into N pieces. A divided signal passes through cascaded transconductance filters, such that a high frequency component is extracted. The signal from the transconductance filters passes through cascaded flat band amplifiers, such that delay times are equalized. The signal from the flat band amplifiers is amplified by a variable gain amplifier, such that a signal gain is adjusted. N amplified signals are added in a linear mixer.
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