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    • 1. 发明授权
    • Voltage control circuits
    • 电压控制电路
    • US07683599B2
    • 2010-03-23
    • US11802880
    • 2007-05-25
    • Hisn-Kuang ChenYi-Bin HsiehChe-Wei Hsu
    • Hisn-Kuang ChenYi-Bin HsiehChe-Wei Hsu
    • G05F3/04
    • H03G1/0023H03G1/0029
    • A voltage control circuit is provided. The voltage control circuit comprises a control voltage source, a current generating unit, and an output voltage generating unit. The control voltage source inputs a single end control voltage. The current generating unit coupled to the control voltage source and a ground generates a first current according to the single end control voltage. The output voltage generating unit coupled to the current generating unit, receives a reference voltage, and generates a first output voltage and a second output voltage according to the first current and the reference voltage. A value of the first output voltage is greater than a value of the second output voltage.
    • 提供电压控制电路。 电压控制电路包括控制电压源,电流产生单元和输出电压产生单元。 控制电压源输入单端控制电压。 耦合到控制电压源和接地的电流产生单元根据单端控制电压产生第一电流。 耦合到电流产生单元的输出电压产生单元接收参考电压,并根据第一电流和参考电压产生第一输出电压和第二输出电压。 第一输出电压的值大于第二输出电压的值。
    • 2. 发明授权
    • Automatic-gain control circuit
    • 自动增益控制电路
    • US07567127B2
    • 2009-07-28
    • US11567199
    • 2006-12-05
    • Yi-Bin HsiehHisn-Kuang ChenChe-Wei Hsu
    • Yi-Bin HsiehHisn-Kuang ChenChe-Wei Hsu
    • H03F3/28
    • H03G3/30H03K5/023
    • An automatic-gain control circuit includes a variable-gain amplifier, a peak-detecting circuit, and an adjustable charge/discharge circuit. The variable-gain amplifier receives an input signal and adjusts the input signal based on a gain-factor control signal for generating a corresponding output signal. The peak-detecting circuit is coupled to the variable-gain amplifier for generating a comparing signal according to a reference signal and the output signal. The adjustable charge/discharge circuit is coupled to the peak-detecting circuit and the variable-gain amplifier for outputting a charge current or a discharge current based on the comparing signal, thereby generating the gain-factor control signal. The ratio between the charge current and the discharge current is adjustable.
    • 自动增益控制电路包括可变增益放大器,峰值检测电路和可调节充电/放电电路。 可变增益放大器接收输入信号,并且基于用于产生对应的输出信号的增益因子控制信号调整输入信号。 峰值检测电路耦合到可变增益放大器,用于根据参考信号和输出信号产生比较信号。 可调节充电/放电电路耦合到峰值检测电路和可变增益放大器,用于基于比较信号输出充电电流或放电电流,从而产生增益因子控制信号。 充电电流和放电电流之间的比例是可调的。
    • 3. 发明申请
    • Voltage control circuits
    • 电压控制电路
    • US20080143306A1
    • 2008-06-19
    • US11802880
    • 2007-05-25
    • Hisn-Kuang ChenYi-Bin HsiehChe-Wei Hsu
    • Hisn-Kuang ChenYi-Bin HsiehChe-Wei Hsu
    • H03F3/45G05F1/10
    • H03G1/0023H03G1/0029
    • A voltage control circuit is provided. The voltage control circuit comprises a control voltage source, a current generating unit, and an output voltage generating unit. The control voltage source inputs a single end control voltage. The current generating unit coupled to the control voltage source and a ground generates a first current according to the single end control voltage. The output voltage generating unit coupled to the current generating unit, receives a reference voltage, and generates a first output voltage and a second output voltage according to the first current and the reference voltage. A value of the first output voltage is greater than a value of the second output voltage.
    • 提供电压控制电路。 电压控制电路包括控制电压源,电流产生单元和输出电压产生单元。 控制电压源输入单端控制电压。 耦合到控制电压源和接地的电流产生单元根据单端控制电压产生第一电流。 耦合到电流产生单元的输出电压产生单元接收参考电压,并根据第一电流和参考电压产生第一输出电压和第二输出电压。 第一输出电压的值大于第二输出电压的值。
    • 4. 发明申请
    • AUTOMATIC-GAIN CONTROL CIRCUIT
    • 自动增益控制电路
    • US20080068087A1
    • 2008-03-20
    • US11567199
    • 2006-12-05
    • Yi-Bin HsiehHisn-Kuang ChenChe-Wei Hsu
    • Yi-Bin HsiehHisn-Kuang ChenChe-Wei Hsu
    • H03G3/10
    • H03G3/30H03K5/023
    • An automatic-gain control circuit includes a variable-gain amplifier, a peak-detecting circuit, and an adjustable charge/discharge circuit. The variable-gain amplifier receives an input signal and adjusts the input signal based on a gain-factor control signal for generating a corresponding output signal. The peak-detecting circuit is coupled to the variable-gain amplifier for generating a comparing signal according to a reference signal and the output signal. The adjustable charge/discharge circuit is coupled to the peak-detecting circuit and the variable-gain amplifier for outputting a charge current or a discharge current based on the comparing signal, thereby generating the gain-factor control signal. The ratio between the charge current and the discharge current is adjustable.
    • 自动增益控制电路包括可变增益放大器,峰值检测电路和可调节充电/放电电路。 可变增益放大器接收输入信号,并且基于用于产生对应的输出信号的增益因子控制信号调整输入信号。 峰值检测电路耦合到可变增益放大器,用于根据参考信号和输出信号产生比较信号。 可调节充电/放电电路耦合到峰值检测电路和可变增益放大器,用于基于比较信号输出充电电流或放电电流,从而产生增益因子控制信号。 充电电流和放电电流之间的比例是可调的。