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    • 9. 发明公开
    • 저전력 광대역 송신기를 위한 위상 보간기에 근거하는 출력 파형 합성 장치
    • 用于低功率宽带发射器的基于相位插值器的输出波形合成器
    • KR1020140114772A
    • 2014-09-29
    • KR1020140030429
    • 2014-03-14
    • 주식회사 긱옵틱스테라스퀘어코리아
    • 배현민윤태훈윤종혁
    • H03L7/16H03L7/00
    • H03B21/00H03K5/1536H03M9/00H04L7/0332
    • The present invention relates to a phase interpolator for a low-power broadband transmitter and an output waveform synthesizer using an on-chip eye opening monitoring (EOM) circuit. A multiphase multiplexer driven in subrate is used for achieving both small area and low-power consumption for transmitter design. The multiphase multiplexer includes a parallel open drain NAND gate. In a structure of subrate transmitter, phase mismatching between multiphase clock signals significantly degrades a jitter performance, thus becoming a serious obstacle to supply of the subrate transmitter despite low power consumption. A waveform composition structure based on a phase interpolator having excellent area and power efficiencies is being developed for solving the mismatching problem.
    • 本发明涉及一种用于低功率宽带发射机的相位插值器和使用片上开眼监测(EOM)电路的输出波形合成器。 以子速率驱动的多相多路复用器用于实现发射机设计的小面积和低功耗。 多相多路复用器包括并联开漏非门。 在子速率发射机的结构中,多相时钟信号之间的相位失配显着降低了抖动性能,因此尽管低功耗,仍然成为子速率发射机供应的严重障碍。 正在开发出具有优异面积和功率效率的基于相位插值器的波形组合结构,用于解决不匹配问题。
    • 10. 发明公开
    • 수신기 및 이의 동작 방법
    • 接收方及其方法
    • KR1020130006935A
    • 2013-01-18
    • KR1020110062449
    • 2011-06-27
    • 삼성전자주식회사
    • 락튜시킨안톤
    • H04B1/10H04L27/26H04W56/00
    • H04L27/2665H04L7/0332H04L27/2671H04L27/2675H04L27/2691
    • PURPOSE: A receiver and an operation method thereof are provided to select a proper FFT(Fast Fourier Transform) window start position and to select a proper FFT(Fast Fourier Transform) window start position. CONSTITUTION: A front end(110) converts a wireless frequency signal into a baseband signal. A beacon detector(210) generates an operation signal by performing a logic operation about the baseband signal. A course synchronization block(240) estimates a noise level of the operation signal. The course synchronization block calculates a course FFT window start position according to the estimation result. An FFT block(130) converts the base band signal into a frequency area signal.
    • 目的:提供一种接收机及其操作方法,以选择适当的FFT(快速傅立叶变换)窗口开始位置,并选择适当的FFT(快速傅里叶变换)窗口开始位置。 构成:前端(110)将无线频率信号转换为基带信号。 信标检测器(210)通过执行关于基带信号的逻辑运算来产生操作信号。 课程同步块(240)估计操作信号的噪声电平。 课程同步块根据估计结果计算课程FFT窗口开始位置。 FFT块(130)将基带信号转换成频域信号。