基于90 nm数字时间转换的直接数字合成器中的抖动控制

2010 IEEE Radio Frequency Integrated Circuits Symposium Pub Date : 2010-05-23 DOI:10.1109/RFIC.2010.5477259

S. Talwalkar, T. Gradishar, B. Stengel, G. Cafaro, G. Nagaraj

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引用次数: 13

摘要

抖动用于许多离散到连续值转换函数中，以提供有效的分数值。本文综述了抖动在数字时转换器(DTC)数字合成器中的应用，该合成器适用于许多常见的无线通信系统。使用5位DTC的90nm CMOS实现的测量显示扩展到有效的8位。

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Controlled dither in 90 nm digital to time conversion based direct digital synthesizer for spur mitigation

Dithering is used in many discrete to continuous value conversion functions to provide an effective fractional value. This paper reviews the application of dither to a digital-to-time converter (DTC) based digital synthesizer suitable for many common wireless communication systems. Measurements of a 90 nm CMOS implementation using a 5 bit DTC show extension to effective 8 bits.

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2010 IEEE Radio Frequency Integrated Circuits Symposium

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