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Method and algorithm of high precision on-chip global biasing using integrated resistor calibration circuits
Method and algorithm of high precision on-chip global biasing using integrated resistor calibration circuits
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机译:使用集成电阻校准电路的高精度片上全局偏置的方法和算法
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摘要
Systems and methods for providing bias currents to multiple analog circuits are disclosed. An integrated circuit comprises a calibration circuit which compares a high tolerance external component to a plurality of internal components manufactured to span the variability of the process, voltage and temperature. The best fitting internal component is communicated to bias circuits which can select an internal component from a local plurality of internal components with matching desired characteristics. In this manner, analog circuits can be locally biased with the tolerance usually associated with a high tolerance external reference component, without the necessity for a local external reference component.
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