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    • 4. 发明授权
    • High speed linear differential amplifier
    • 高速线性差分放大器
    • US08189403B2
    • 2012-05-29
    • US12817760
    • 2010-06-17
    • Young-Soo SohnJeong-Don LimKwang-Il Park
    • Young-Soo SohnJeong-Don LimKwang-Il Park
    • G11C7/00H03L7/00
    • H03F3/45183H03F1/3211H03F3/45179H03F3/45654H03F2200/453H03F2200/78H03F2203/45382H03F2203/45384H03F2203/45454H03F2203/45466H03F2203/45702
    • A high speed linear differential amplifier (HSLDA) having automatic gain adjustment to maximize linearity regardless of manufacturing process, changes in temperature, or swing width change of the input signal. The HSLDA comprises a differential amplifier, and a control signal generator including a replica differential amplifier, a reference voltage generator, and a comparator. The comparator outputs a control signal that automatically adjusts the gain of the high speed linear differential amplifier and of the replica differential amplifier. The replica differential amplifier receives predetermined complementary voltages as input signals and outputs a replica output signal to the comparator. The reference voltage generator outputs a voltage to the comparator at which linearity of the output signal of the differential amplifier is maximized. The control signal equalizes the voltage level of the replica output signal and the reference voltage, and controls the gain of the differential amplifier.
    • 具有自动增益调整的高速线性差分放大器(HSLDA),以便与输入信号的制造过程,温度变化或摆幅宽度变化无关地最大化线性度。 HSLDA包括差分放大器和包括复制差分放大器,参考电压发生器和比较器的控制信号发生器。 比较器输出一个自动调节高速线性差分放大器和复制差分放大器增益的控制信号。 复制差分放大器接收预定的互补电压作为输入信号,并将复制输出信号输出到比较器。 参考电压发生器向差分放大器的输出信号的线性度最大化的比较器输出电压。 控制信号使复制输出信号的电压电平与参考电压相等,并控制差分放大器的增益。
    • 5. 发明授权
    • Oscillation circuit and semiconductor device having the same
    • 振荡电路和具有相同的半导体器件
    • US08169268B2
    • 2012-05-01
    • US12780985
    • 2010-05-17
    • Ji-Hoon LimJeong-Don LimKwang-Il Park
    • Ji-Hoon LimJeong-Don LimKwang-Il Park
    • H03K3/03G05F1/00H03B5/24
    • H03K3/0315H03K3/017
    • An oscillation circuit, and a semiconductor device incorporating same, include: an oscillation unit with a plurality of inverters and configured to perform signal transmission between first and second nodes of the inverters such that each of the inverters performs an oscillation operation to generate clock signals having different phases when a control signal is activated, and latch a clock signal of the second node and cut off the signal transmission between the first and second nodes to stop the oscillation operations of the inverters when the control signal is deactivated; and a control unit to activate the control signal when an oscillation enable signal is activated, and deactivate the control signal using one of a clock signal output from an inverter connected to the second node and clock signals of which the phases lag that of a clock signal of the first node, when the oscillation enable signal is deactivated.
    • 振荡电路及其结合的半导体装置包括:具有多个反相器的振荡单元,其配置为在逆变器的第一和第二节点之间进行信号传输,使得每个反相器执行振荡操作以产生具有 控制信号被激活时的不同相位,并且锁存第二节点的时钟信号并切断第一和第二节点之间的信号传输,以在控制信号被去激活时停止反相器的振荡操作; 以及控制单元,用于当振荡使能信号被激活时激活控制信号,并且使用从连接到第二节点的反相器输出的时钟信号中的一个和相位滞后于时钟信号的时钟信号来去激活控制信号 当振荡使能信号被去激活时。
    • 6. 发明申请
    • HIGH SPEED LINEAR DIFFERENTIAL AMPLIFIER
    • 高速线性差分放大器
    • US20110001562A1
    • 2011-01-06
    • US12817760
    • 2010-06-17
    • Young-Soo SohnJeong-Don LimKwang-Il Park
    • Young-Soo SohnJeong-Don LimKwang-Il Park
    • H03F3/45
    • H03F3/45183H03F1/3211H03F3/45179H03F3/45654H03F2200/453H03F2200/78H03F2203/45382H03F2203/45384H03F2203/45454H03F2203/45466H03F2203/45702
    • A high speed linear differential amplifier (HSLDA) having automatic gain adjustment to maximize linearity regardless of manufacturing process, changes in temperature, or swing width change of the input signal. The HSLDA comprises a differential amplifier, and a control signal generator including a replica differential amplifier, a reference voltage generator, and a comparator. The comparator outputs a control signal that automatically adjusts the gain of the high speed linear differential amplifier and of the replica differential amplifier. The replica differential amplifier receives predetermined complementary voltages as input signals and outputs a replica output signal to the comparator. The reference voltage generator outputs a voltage to the comparator at which linearity of the output signal of the differential amplifier is maximized. The control signal equalizes the voltage level of the replica output signal and the reference voltage, and controls the gain of the differential amplifier.
    • 具有自动增益调整的高速线性差分放大器(HSLDA),以便与输入信号的制造过程,温度变化或摆幅宽度变化无关地最大化线性度。 HSLDA包括差分放大器和包括复制差分放大器,参考电压发生器和比较器的控制信号发生器。 比较器输出一个自动调节高速线性差分放大器和复制差分放大器增益的控制信号。 复制差分放大器接收预定的互补电压作为输入信号,并将复制输出信号输出到比较器。 参考电压发生器向差分放大器的输出信号的线性度最大化的比较器输出电压。 控制信号使复制输出信号的电压电平与参考电压相等,并控制差分放大器的增益。