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Ultra-low power bias current generation and utilization in current and voltage source and regulator devices
Ultra-low power bias current generation and utilization in current and voltage source and regulator devices
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机译:电流和电压源以及调节器器件中超低功率偏置电流的产生和利用
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摘要
A bias current topology with embodiments in current source, current reference, (pseudo bandgap) voltage reference, and bandgap voltage reference that operate at ultra low currents and low power supply voltages which may use main stream standard digital Complementary Metal-Oxide-Semiconductor (CMOS) processes. The bias current topology uses chiefly a self cascode (SC), whose active resistor MOSFET is paced in series with the gate input of the MOSFETs that help generate the proportional to absolute temperature (PTAT) voltage that is applied to the active resistor MOSFET to produce a bias current.
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