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首页> 外文期刊>Analog Integrated Circuits and Signal Processing >Bulk-driven class AB fully-balanced differential difference amplifier
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Bulk-driven class AB fully-balanced differential difference amplifier

机译:批量驱动的AB类全平衡差分差分放大器

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This paper presents a new low-voltage class AB fully-balanced differential difference amplifier (FB-DDA) employing the bulk-driven technique. At the FB-DDA differential pairs the bulk terminal of the MOS transistors are used as signal inputs in order to increase the common-mode input range under low supply voltage. At the class AB output stages the bulk terminal of the MOS transistors are used as control inputs in order to adjust the quiescent currents and compensate them against the process and temperatures (P/T) variation. The voltage supply of the FB-DDA is 0.7 V and the quiescent power consumption is 8.3 mu W. The open loop voltage gain is 68 dB and the gain-bandwidth product is 168 kHz for 10 pF capacitive load. The circuit performance was simulated in Cadence/Spectre environment using the TSMC 0.18 mu m CMOS process.
机译:本文介绍了采用批量驱动技术的新型低压类AB全平衡差分放大器(FB-DDA)。 在FB-DDA差分对中,MOS晶体管的堆积端子用作信号输入,以便在低电源电压下增加共模输入范围。 在AB类输出阶段,MOS晶体管的堆积器端子用作控制输入,以便调节静态电流并补偿它们以防止处理和温度(P / T)变化。 FB-DDA的电压供应是0.7V,静态功耗为8.3μW。开环电压增益为68 dB,增益带宽产品为168 kHz,可为10 PF电容负载。 使用TSMC 0.18 MU M CMOS工艺在Cadence / Specter环境中模拟电路性能。

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