This paper has proposed a temperature insensitive current reference (CR) using Widlar current source. This CR has overwhelmed the direct relation of current to temperature present in Widlar current source. To obtain temperature insensitivity the proposed CR has been combined the complementary temperature behavior of current across MOSFET and BJT. Eldospice has supported the simulations of the proposed circuit using level 53, 0.18 µm CMOS technology with the help of EldoSpice. The proposed circuit has presented almost constant reference current of 63µA at a supply voltage of 1.8V for a temperature range of -30 to 100 °C. The proposed circuit has shown the maximum variation of 0.1µA as compared to 24.87µA in conventional Widlar current source.

中文翻译：

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使用Widlar电流源的带隙电流基准

本文提出了一种使用Widlar电流源的温度不敏感电流基准（CR）。该CR压倒了Widlar电流源中电流与温度的直接关系。为了获得温度不敏感度，建议的CR已结合了MOSFET和BJT两端电流的互补温度特性。Eldospice在EldoSpice的帮助下使用53级，0.18 µm CMOS技术支持了拟议电路的仿真。拟议的电路在-30至100°C的温度范围内，在1.8V的电源电压下提供了几乎恒定的63µA基准电流。与传统的Widlar电流源中的24.87µA相比，拟议中的电路的最大变化为0.1µA。