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    • 3. 发明授权
    • Noise tolerant CMOS inverter circuit having a resistive bias
    • 具有电阻偏置的耐噪声CMOS反相器电路
    • US5767728A
    • 1998-06-16
    • US711424
    • 1996-09-05
    • Michel Salib MichailWilbur David Pricer
    • Michel Salib MichailWilbur David Pricer
    • H03K19/003H03K17/04H03K17/687
    • H03K19/00361
    • A CMOS inverter circuit having a resistive bias device is disclosed. The CMOS inverter circuit comprises a pair of inverter transistors for receiving an input signal. At least one pair of compensating transistors is coupled to the inverter transistors for providing nonlinearity to the input signal. An inverter, coupled to the drains of the inverter transistors at a first node, receives the nonlinear signal as an input. The resistive bias device, coupled to the output of the inverter and to the compensation transistors, provides adjustable reference voltages to the compensation transistors, which allow for an improved noise immunity and high transition gain. The output, taken from the first node, provides for an improvement in the performance of the circuit.
    • 公开了一种具有电阻偏置装置的CMOS反相器电路。 CMOS反相器电路包括用于接收输入信号的一对反相晶体管。 至少一对补偿晶体管耦合到反相器晶体管,以向输入信号提供非线性。 耦合到第一节点处的反相器晶体管的漏极的反相器接收非线性信号作为输入。 耦合到反相器的输出端和补偿晶体管的电阻偏置装置向补偿晶体管提供可调参考电压,这允许改善的抗干扰性和高跃迁增益。 从第一个节点取得的输出提供了电路性能的改进。
    • 5. 发明授权
    • Buffer amplifier with output non-linearity compensation and adjustable
gain
    • 具有输出非线性补偿和可调增益的缓冲放大器
    • US5760649A
    • 1998-06-02
    • US753139
    • 1996-11-20
    • Michel Salib MichailWilbur David Pricer
    • Michel Salib MichailWilbur David Pricer
    • H03F1/32H03F3/30
    • H03F1/3217
    • According to the preferred embodiment, a buffer amplifier is provided that provides improved linearity while providing increased control over the gain without unduly limiting the amplifier frequency response. The amplifier preferably includes a series pair of transistors with their gates connected to the amplifier input and their drains connected to the amplifier output. The amplifier further includes a pair of feedback transistors connected in series with the series pair. The gates of the feedback transistors are connected to the amplifier output through a pair of feedback networks. Each network includes at least one impedance element. The impedance elements are preferably selected to maximize the linearity of the amplifier response. Furthermore, the impedance elements can be selected to modify the gain of the amplifier, increasing the amplifier gain if needed.
    • 根据优选实施例,提供一种缓冲放大器,其提供改进的线性度,同时提供对增益的增加的控制,而不会过度地限制放大器频率响应。 放大器优选地包括一对串联的晶体管,其栅极连接到放大器输入端,并且其漏极连接到放大器输出端。 放大器还包括与串联对串联的一对反馈晶体管。 反馈晶体管的栅极通过一对反馈网络连接到放大器输出端。 每个网络包括至少一个阻抗元件。 优选地选择阻抗元件以使放大器响应的线性最大化。 此外,可以选择阻抗元件来修改放大器的增益,如果需要,增加放大器增益。