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热词
    • 93. 发明公开
    • Metal-oxide-semiconductor device having integrated bias circuit
    • Metalloxyd-Halbleiteranordnung mit integrierter Vorspannungsschaltung
    • EP1548536A1
    • 2005-06-29
    • EP04256760.2
    • 2004-11-02
    • Agere Systems Inc.
    • Lopez, OsvaldoLott, Joel Morrison
    • G05F3/20
    • H03F3/195G05F3/205H01L2224/49175H01L2924/1305H01L2924/13091H01L2924/30107H01L2924/3011H01L2924/30111H03F1/301H03F2200/18H01L2924/00
    • An IC device includes an MOS device having a gate terminal, a source terminal and a drain terminal, the gate terminal being operatively coupled to an input of the IC device, the drain terminal being operatively coupled to an output of the IC device, and the source terminal being coupled to a negative voltage supply. The IC device further includes a bias generator operatively coupled to the gate terminal of the MOS device, the bias generator generating a bias voltage and/or a bias current for biasing the MOS device at a substantially constant quiescent operating point. The bias generator is configured such that the bias voltage and/or bias current varies as a function of a junction temperature of the MOS device. In this manner, the bias generator accurately tracks one or more operating conditions of the MOS device, thereby improving the performance of the device.
    • IC器件包括具有栅极端子,源极端子和漏极端子的MOS器件,栅极端子可操作地耦合到IC器件的输入,漏极端子可操作地耦合到IC器件的输出, 源极端子耦合到负电压源。 IC器件还包括可操作地耦合到MOS器件的栅极端子的偏置发生器,偏置发生器产生偏置电压和/或偏置电流,用于在基本上恒定的静态工作点上偏置MOS器件。 偏置发生器被配置为使得偏置电压和/或偏置电流作为MOS器件的结温的函数而变化。 以这种方式,偏置发生器精确地跟踪MOS器件的一个或多个工作条件,从而提高器件的性能。