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    • 1. 发明申请
    • APPARATUSES AND METHODS FOR PROVIDING OSCILLATION SIGNALS
    • 提供振荡信号的装置和方法
    • WO2014059560A1
    • 2014-04-24
    • PCT/CN2012/001408
    • 2012-10-19
    • MICRON TECHNOLOGY, INC.WU, JunLIU, Bin
    • WU, JunLIU, Bin
    • H03L5/00
    • H03B5/24H03B5/04H03B9/141H03L1/00H03L7/0891
    • Apparatuses and methods are disclosed for oscillators that are substantially insensitive to supply voltage variations. In one such example apparatus, a capacitance circuit is configured to be charged and discharged. Charging and discharging circuits are coupled to the capacitance circuit and configured to charge and discharge, respectively, the capacitance circuit by charging and discharging currents responsive to charge and discharge signals. A control circuit is coupled to the charging circuit and the discharging circuit, and is configured to provide the charge and discharge signals responsive to a voltage of the capacitance circuit, and is further configured to provide an oscillation signal responsive to the voltage of the capacitance circuit. The charging current, the discharging current, or both the charging and discharging currents are proportional to a difference between a first reference voltage and a second reference voltage.
    • 公开了对电源电压变化基本上不敏感的振荡器的装置和方法。 在一个这样的示例性装置中,电容电路被配置为被充电和放电。 充电和放电电路耦合到电容电路并且被配置为通过响应于充电和放电信号的充电和放电电流对电容电路进行充电和放电。 控制电路耦合到充电电路和放电电路,并且被配置为响应于电容电路的电压来提供充电和放电信号,并且还被配置为提供响应于电容电路的电压的振荡信号 。 充电电流,放电电流或充电和放电电流都与第一参考电压和第二参考电压之间的差成比例。