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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 3.3-V, low-distortion ISDN line driver with a novel quiescent current control circuit
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A 3.3-V, low-distortion ISDN line driver with a novel quiescent current control circuit

机译:具有新型静态电流控制电路的3.3V低失真ISDN线路驱动器

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摘要

A U-interface line driver for a single-chip ISDN (integrated services digital network) NT (network termination) in an advanced 3.3-V, 0.5-/spl mu/m CMOS technology is presented. It features a THD (total harmonic distortion) better than -68 dB for an output swing of 5 V/sub pp/ on a 67-/spl Omega/ load in a band up to 60 kHz. A novel quiescent current control circuit is implemented. The advantages of this new approach lie in the reduction of the variation of the quiescent current and the facilitation of the driver's circuits and compensation scheme.
机译:提出了一种采用先进的3.3V,0.5- / spl mu / m CMOS技术的单芯片ISDN(集成服务数字网络)NT(网络终端)的U接口线路驱动器。它的THD(总谐波失真)优于-68 dB,在高达60 kHz的频带中在67- / spl Omega /负载下的输出摆幅为5 V / sub pp /。实现了一种新颖的静态电流控制电路。这种新方法的优点在于减少了静态电流的变化,并简化了驱动电路和补偿方案。

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