一种紧凑的ab类大体积驱动的准浮栅电流反射镜，适用于低压应用

2013 13th International Symposium on Communications and Information Technologies (ISCIT) Pub Date : 2013-10-24 DOI:10.1109/ISCIT.2013.6645868

A. Suadet, V. Kasemsuwan

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引用次数: 8

摘要

提出了一种紧凑的ab类块驱动准浮栅电流反射镜。该电路基于有源a类电流反射镜，采用大块驱动的准浮栅(BD-QFG) MOS晶体管和低压大块输入伪差分放大器。该电路可以在低至VT+VDSAT的电源电压下工作。采用标准的0.18 μm CMOS工艺，0.5 V电源电压，SPECTRE验证了电路的性能。电路显示低输入阻抗(934 Ω)和相对较高的输出阻抗(1.13 MΩ)。该电路可以驱动比静态电流大8倍的输出电流。静态状态下的功耗为8.2 μW。

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A compact class-AB bulk-driven quasi-floating gate current mirror for low voltage applications

A compact class-AB bulk-driven quasi-floating gate current mirror is proposed. The circuit is based on an active class-A current mirror using bulk-driven quasi-floating gate (BD-QFG) MOS transistors and low voltage bulk-input pseudo-differential amplifier. The circuit can operate from a supply voltage as low as VT+VDSAT. The performance of the circuit is verified by SPECTRE, using a standard 0.18 μm CMOS process with a 0.5 V supply voltage. The circuit demonstrates low input impedance (934 Ω) and relatively high output impedance (1.13 MΩ). The circuit can drive the output current 8 times larger than the quiescent current. The power dissipation under quiescent condition is 8.2 μW.

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2013 13th International Symposium on Communications and Information Technologies (ISCIT)

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