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    • 7. 发明申请
    • SUCCESSIVE APPROXIMATION ANALOG-TO-DIGITAL CONVERTER
    • 连续逼近模拟数字转换器
    • US20110148684A1
    • 2011-06-23
    • US12970861
    • 2010-12-16
    • Hyun Kyu YuSeon Ho HanYoung Hwa KimSeong Hwan Cho
    • Hyun Kyu YuSeon Ho HanYoung Hwa KimSeong Hwan Cho
    • H03M1/38
    • H03M1/46H03M1/827
    • There is provided a successive approximation analog-to-digital converter including only minimal capacitors to perform an analog-to-digital conversion operation, thereby making it possible to have very strong process change resistance characteristics while having reduced capacitance and circuit area. The successive approximation analog-to-digital converter may include a reference current supplying unit that supplies a reference current; a signal storage unit that stores a reference signal generated by charging the reference current and an input signal input from the outside; a comparing unit that compares the reference signal and the input signal; and a controller that controls the reference current supplying unit while generating the digital output signal based on the comparison result of the comparing unit to change the supply amount of the reference current supplied to the signal storage unit in proportion to the binary code.
    • 提供了仅包括最小电容器以执行模数转换操作的逐次逼近模数转换器,从而使得可以具有非常强的工艺变化电阻特性,同时具有减小的电容和电路面积。 逐次逼近模数转换器可以包括提供参考电流的参考电流提供单元; 信号存储单元,存储通过对参考电流进行充电而产生的参考信号和从外部输入的输入信号; 比较单元,其比较所述参考信号和所述输入信号; 以及控制器,其基于所述比较单元的比较结果来控制所述参考电流供给单元,同时根据所述二进制码来改变提供给所述信号存储单元的参考电流的供给量。
    • 8. 发明授权
    • Successive approximation analog-to-digital converter
    • 逐次近似模数转换器
    • US08274420B2
    • 2012-09-25
    • US12970861
    • 2010-12-16
    • Hyun Kyu YuSeon Ho HanYoung Hwa KimSeong Hwan Cho
    • Hyun Kyu YuSeon Ho HanYoung Hwa KimSeong Hwan Cho
    • H03M1/38
    • H03M1/46H03M1/827
    • There is provided a successive approximation analog-to-digital converter including only minimal capacitors to perform an analog-to-digital conversion operation, thereby making it possible to have very strong process change resistance characteristics while having reduced capacitance and circuit area. The successive approximation analog-to-digital converter may include a reference current supplying unit that supplies a reference current; a signal storage unit that stores a reference signal generated by charging the reference current and an input signal input from the outside; a comparing unit that compares the reference signal and the input signal; and a controller that controls the reference current supplying unit while generating the digital output signal based on the comparison result of the comparing unit to change the supply amount of the reference current supplied to the signal storage unit in proportion to the binary code.
    • 提供了仅包括最小电容器以执行模数转换操作的逐次逼近模数转换器,从而使得可以具有非常强的工艺变化电阻特性,同时具有减小的电容和电路面积。 逐次逼近模数转换器可以包括提供参考电流的参考电流提供单元; 信号存储单元,存储通过对参考电流进行充电而产生的参考信号和从外部输入的输入信号; 比较单元,其比较所述参考信号和所述输入信号; 以及控制器,其基于所述比较单元的比较结果来控制所述参考电流供给单元,同时根据所述二进制码来改变提供给所述信号存储单元的参考电流的供给量。
    • 9. 发明授权
    • Wideband receiver
    • 宽带接收机
    • US08306498B2
    • 2012-11-06
    • US12970874
    • 2010-12-16
    • Hyun Kyu YuJoon Hee LeeSeong Hwan Cho
    • Hyun Kyu YuJoon Hee LeeSeong Hwan Cho
    • H04B1/18H04K3/00
    • H04B1/28H03D7/1441H03D7/1458
    • Provided is a wideband receiver that has a smaller area and consumes less power and can prevent harmonic mixing occurring due to an increase in the number of communications systems using wideband. A wideband receiver according to an aspect of the invention may include: an front-end unit receiving and performing low-pass filtering on a wideband input signal in a continuous-time domain; and a down-conversion unit sampling and holding an output signal of the front-end unit according to a local oscillator signal and performing low-pass filtering on the output signal in a discrete tie domain.
    • 提供了一种宽带接收机,其具有较小的面积并且消耗更少的功率,并且可以防止由于使用宽带的通信系统的数量的增加而发生谐波混合。 根据本发明的一个方面的宽带接收机可以包括:前端单元在连续时域中接收并对宽带输入信号执行低通滤波; 下变频单元根据本地振荡器信号对前端单元的输出信号进行采样和保持,并对离散的连接域中的输出信号进行低通滤波。