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    • 12. 发明授权
    • Single-ended-to-differential converter with common-mode voltage control
    • 具有共模电压控制的单端到差分转换器
    • US06873210B2
    • 2005-03-29
    • US10791878
    • 2004-03-04
    • Jan MulderMarcel LugthartChi-Hung Lin
    • Jan MulderMarcel LugthartChi-Hung Lin
    • H03H11/32H03F3/45
    • H03H11/32
    • Provided is a circuit to perform single-ended to differential conversion while providing common-mode voltage control. The circuit includes a converter to convert a single-ended signal to a differential signal and a stabilizing circuit adapted to receive the differential signal. The stabilizing circuit includes a sensor configured to sense a common-mode voltage level of the differential signal and a comparator having an output port coupled to the converter. The comparator is configured to compare the differential signal common-mode voltage level with a reference signal common-mode voltage level and produce an adjusting signal based upon the comparison. The adjusting signal is applied to the converter via the output port and is operative to adjust a subsequent common-mode voltage level of the differential signal.
    • 提供了在提供共模电压控制的同时执行单端到差分转换的电路。 电路包括将单端信号转换为差分信号的转换器和适于接收差分信号的稳定电路。 稳定电路包括被配置为感测差分信号的共模电压电平的传感器和具有耦合到转换器的输出端口的比较器。 比较器被配置为将差分信号共模电压电平与参考信号共模电压电平进行比较,并且基于该比较产生调整信号。 调整信号经由输出端口被施加到转换器,并且可操作地调整差分信号的后续共模电压电平。
    • 17. 发明授权
    • Thermal protection circuit and electronic device using the same
    • 热保护电路和电子设备使用相同
    • US08605403B2
    • 2013-12-10
    • US12770735
    • 2010-04-30
    • Hong-Hao KangZhi-Wei WangChi-Hung Lin
    • Hong-Hao KangZhi-Wei WangChi-Hung Lin
    • H02H5/04
    • H02H5/042H02H7/20
    • A thermal protection circuit to protect an electronic device from over-heat comprises a temperature sensor, a hysteresis comparator and a switch circuit. The temperature sensor senses internal temperature of the electronic device and output an internal temperature signal with voltage. The hysteresis comparator outputs a power-off signal when the voltage of the internal temperature signal is lower than a low voltage threshold representing an a determined temperature, or outputs a power-on signal when the voltage of the internal temperature signal is higher than a high voltage threshold representing a restarting temperature. The switch circuit stops transmitting power signals to the electronic device in response to the power-off signal, or continues to transmit the power signals to the electronic device in response to the power-on signal.
    • 用于保护电子设备免受过热的热保护电路包括温度传感器,磁滞比较器和开关电路。 温度传感器检测电子设备的内部温度,并输出带有电压的内部温度信号。 当内部温度信号的电压低于表示确定的温度的低电压阈值时,滞后比较器输出断电信号,或者当内部温度信号的电压高于高电平时输出通电信号 表示重启温度的电压阈值。 开关电路响应于断电信号停止向电子设备发送功率信号,或者响应于通电信号继续向电子设备发送功率信号。
    • 18. 发明授权
    • Performance scaling device, processor having the same, and performance scaling method thereof
    • 性能缩放设备,具有相同性能的处理器及其性能缩放方法
    • US08589718B2
    • 2013-11-19
    • US12881190
    • 2010-09-14
    • Chi-Hung LinPi-Cheng HsiaoTay-Jyi LinGin-Kou Ma
    • Chi-Hung LinPi-Cheng HsiaoTay-Jyi LinGin-Kou Ma
    • G06F1/00
    • G06F1/3203G06F1/324G06F1/3296Y02D10/126Y02D10/172
    • A performance scaling device, a processor having the same, and a performance scaling method thereof are provided. The performance scaling device includes an adaptive voltage scaling unit, a latency prediction unit, and a variable-latency datapath. The adaptive voltage scaling unit generates a plurality of operation voltages and transmits the operation voltages to the variable-latency datapath. The variable-latency datapath operates with different latencies according to the operation voltages and generates an operation latency. The latency prediction unit receives the operation latency and a system latency tolerance and generates a voltage scaling signal for the adaptive voltage scaling unit according to the operation latency and the system latency tolerance. The adaptive voltage scaling unit outputs and scales the operation voltages thereof according to the voltage scaling signal.
    • 提供了一种性能缩放装置,具有该性能缩放装置的处理器及其性能缩放方法。 性能缩放装置包括自适应电压缩放单元,等待时间预测单元和可变延迟数据路径。 自适应电压缩放单元产生多个操作电压并将操作电压发送到可变延迟数据路径。 可变延迟数据路径根据操作电压运行不同的延迟,并产生运行延迟。 延迟预测单元接收操作等待时间和系统等待时间容差,并且根据操作等待时间和系统等待时间容差产生用于自适应电压缩放单元的电压缩放信号。 自适应电压调整单元根据电压缩放信号输出并缩放其工作电压。