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    • 1. 发明授权
    • Analog-digital converter and converting method using clock delay
    • 模数转换器和使用时钟延迟的转换方法
    • US08659464B2
    • 2014-02-25
    • US13593301
    • 2012-08-23
    • Young-deuk JeonWoo Seok YangTae Moon RohJong-Kee KwonJongdae Kim
    • Young-deuk JeonWoo Seok YangTae Moon RohJong-Kee KwonJongdae Kim
    • H03M1/34
    • H03M1/462
    • The present inventive concept relates to an analog-digital converter. The analog-digital converter includes a clock generating unit generating a clock signal; a clock delay adjusting unit outputting one of a first clock signal to a Kth clock signal according to a control signal; a capacitive digital-analog converting unit outputting a difference between the analog signal and a reference signal; a comparison unit judging whether an output of the capacitive digital-analog converting unit is 0, a positive number, or a negative number, in response to an output of the clock delay adjusting unit; and an SAR logic unit transferring an output of the comparison unit to the capacitive digital-analog converting unit in response to an output of the clock delay adjusting unit and performing a successive approximation operation to output the N-bit digital signal.
    • 本发明构思涉及一种模数转换器。 模拟数字转换器包括产生时钟信号的时钟产生单元; 时钟延迟调整单元,根据控制信号将第一时钟信号中的一个输出到第K个时钟信号; 输出模拟信号和参考信号之间的差的电容数字 - 模拟转换单元; 比较单元,响应于时钟延迟调整单元的输出,判定电容数字 - 模拟转换单元的输出是0,正数还是负数; 以及SAR逻辑单元,响应于时钟延迟调整单元的输出,将比较单元的输出传送到电容数字 - 模拟转换单元,并执行逐次逼近操作以输出N位数字信号。
    • 2. 发明申请
    • PROCESS INDEPENDENT TEMPERATURE SENSOR BASED ON OSCILLATOR
    • 基于振荡器的过程独立温度传感器
    • US20130156069A1
    • 2013-06-20
    • US13620594
    • 2012-09-14
    • Seok Ju YunYoung-deuk JeonTae Moon RohJong-Kee KwonWoo Seok YangJongdae Kim
    • Seok Ju YunYoung-deuk JeonTae Moon RohJong-Kee KwonWoo Seok YangJongdae Kim
    • G01K7/00
    • G01K7/32
    • The inventive concept discloses a new temperature sensor structure based on oscillator which is insensitive to a process change and improves an error rate of temperature output. The temperature sensor based on oscillator compares an oscillator circuit structure insensitive to a temperature change with an oscillator circuit structure having a frequency change in proportion to a temperature change to output a relative difference between the two oscillator circuit structures and thereby it is compensated itself. In the temperature sensor based on oscillator, a problem of performance reduction due to an external environment and a process deviation of temperature sensor is improved and an output distortion and temperature nonlinearity are effectively improved. Thus, since the temperature sensor based on oscillator has a structure of high performance, low power and low cost, it can be variously used in a detection equipment of temperature environment.
    • 本发明的概念公开了一种基于振荡器的新型温度传感器结构,其对过程变化不敏感并且提高了温度输出的误差率。 基于振荡器的温度传感器将对温度变化不敏感的振荡器电路结构与具有与温度变化成比例的频率变化的振荡器电路结构进行比较,以输出两个振荡器电路结构之间的相对差,由此自身进行补偿。 在基于振荡器的温度传感器中,提高了由于外部环境导致的性能降低和温度传感器的工艺偏差的问题,并且有效地提高了输出失真和温度非线性。 因此,由于基于振荡器的温度传感器具有高性能,低功率和低成本的结构,因此可以被多种用于温度环境的检测设备中。
    • 3. 发明授权
    • Process independent temperature sensor based on oscillator
    • 基于振荡器的独立温度传感器
    • US09068896B2
    • 2015-06-30
    • US13620594
    • 2012-09-14
    • Seok Ju YunYoung-deuk JeonTae Moon RohJong-Kee KwonWoo Seok YangJongdae Kim
    • Seok Ju YunYoung-deuk JeonTae Moon RohJong-Kee KwonWoo Seok YangJongdae Kim
    • G01K11/00G01K7/32
    • G01K7/32
    • The inventive concept discloses a new temperature sensor structure based on oscillator which is insensitive to a process change and improves an error rate of temperature output. The temperature sensor based on oscillator compares an oscillator circuit structure insensitive to a temperature change with an oscillator circuit structure having a frequency change in proportion to a temperature change to output a relative difference between the two oscillator circuit structures and thereby it is compensated itself. In the temperature sensor based on oscillator, a problem of performance reduction due to an external environment and a process deviation of temperature sensor is improved and an output distortion and temperature nonlinearity are effectively improved. Thus, since the temperature sensor based on oscillator has a structure of high performance, low power and low cost, it can be variously used in a detection equipment of temperature environment.
    • 本发明的概念公开了一种基于振荡器的新型温度传感器结构,其对过程变化不敏感并且提高了温度输出的误差率。 基于振荡器的温度传感器将对温度变化不敏感的振荡器电路结构与具有与温度变化成比例的频率变化的振荡器电路结构进行比较,以输出两个振荡器电路结构之间的相对差,由此自身进行补偿。 在基于振荡器的温度传感器中,提高了由于外部环境导致的性能降低和温度传感器的工艺偏差的问题,并且有效地提高了输出失真和温度非线性。 因此,由于基于振荡器的温度传感器具有高性能,低功率和低成本的结构,因此可以被多种用于温度环境的检测设备中。