具有紧凑型调谐电压变换器的毫米波高线性VCO MMIC

H. Mizutani, M. Tsuru, T. Matsuzuka, K. Choumei, K. Kawakami, M. Miyazaki
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引用次数: 6

摘要

本文介绍了一种完全集成的高线性低相位噪声压控振荡器(VCO),它具有一种新型的紧凑型毫米波调谐电压变换器。该调谐电压变换器仅由少数二极管和电阻组成,具有非线性特性,可校正变容调谐曲线。采用InGaP/GaAs HBT工艺制备了毫米波VCO MMIC。MMIC芯片尺寸为2.55 mm乘以1.4 mm,而电压转换器的尺寸为0.35 mm乘以0.70 mm。在0 V和5 V之间的电压下,测量到的调谐灵敏度为97±12 MHz/V,并且温度依赖性很小。当振荡频率为38.2 GHz时,在与载波偏移1MHz时,相位噪声性能为-110.7 dBc/Hz。这种线性化技术可以大大减少传统软件线性化系统的配置
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Millimeter-Wave Highly Linear VCO MMIC with Compact Tuning Voltage Converter
This paper presents a fully integrated highly linear and low phase noise voltage controlled oscillator (VCO) with a novel compact tuning voltage converter for millimeter-wave applications. The tuning voltage converter consists of only a few diodes and resistors and has nonlinear characteristics to correct varactor tuning curves. The authors fabricated the millimeter-wave VCO MMIC employing InGaP/GaAs HBT process. The MMIC chip size is 2.55 mm times 1.4 mm, in contrast the voltage converter has the size of 0.35 mm times 0.70 mm. The measured tuning sensitivity of 97 plusmn12 MHz/V is achieved for voltages between 0 V and 5 V, and the temperature dependency is very small. Also the phase noise performance is -110.7 dBc/Hz at 1MHz offset from the carrier when the oscillation frequency is 38.2 GHz. This linearization technique can greatly reduce the configuration of the conventional software linearization system
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