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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A dual 10-b 200-MSPS pipelined D/A converter with DLL-based clock synthesizer
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A dual 10-b 200-MSPS pipelined D/A converter with DLL-based clock synthesizer

机译:具有基于DLL的时钟合成器的双路10-b 200-MSPS流水线D / A转换器

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摘要

A dual 10-b/200-MSPS pipelined digital-to-analog converter (DAC) suitable for communication applications is here presented. Prior implementation limitations have been overcome through circuit techniques. A prototype has been designed using a 4-metal-levels 3.3-V 0.5-Μm BiCMOS technology and operates on a 3-phase clock synthesized by an on-chip delay-locked loop (DLL). The DAC shows 9.7 effective bits and 70 dB of spurious free dynamic range for a synthesized sine wave of 2 Vpp at 34 MHz and output rate of 200 MSPS. Altogether, the two DACs, their reference, and the DLL occupy an active area of 2.28 mm2 and consume 693 mW at full speed.
机译:本文介绍了适用于通信应用的双路10b / 200-MSPS流水线数模转换器(DAC)。通过电路技术已经克服了先前的实现限制。已使用4金属电平的3.3V0.5μmBiCMOS技术设计了原型,并在由片上延迟锁定环(DLL)合成的3相时钟上运行。对于在34 MHz时2 Vpp的合成正弦波和200 MSPS的输出速率,DAC显示9.7个有效位和70 dB的无杂散动态范围。这两个DAC,它们的基准电压源和DLL总共占据了2.28 mm2的有效面积,全速消耗693 mW。

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