The Simulation and Realization of a New Kind of Digital Broad Band Microwave Noise Generator
Wang Xin-min①②; Shen Yan①②; Lei Hong①; Yin He-jun①
①Institute of Electronics, Chinese Academy of Sciences, Beijing 100080, China; ②Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
Abstract:This paper presents a new modeling method of microwave VCO( Voltage Control Oscillator). Based on this model a novel board bandwidth microwave noise generator , which is composed of a digital algorithm part and an analog modulation part, is simulated. This noise generator features broad adjustable bandwidth( from 30MHz to 300MHz) and wide central frequency range( from 8GHz to 18GHz). The comparison of simulative with experimental results of the generator is give. And the causes of agreements and disagreements are also analyzed. The accordance between simulative and experimental results, such as 3dB band-width and in-band flattness, indicates the validity of the presented modeling method.
王新民; 申艳; 雷宏; 阴和俊. 一种新型数字式微波宽带噪声发生器的仿真和实现[J]. 电子与信息学报, 2007, 29(7): 1600-1603 .
Wang Xin-min; Shen Yan; Lei Hong; Yin He-jun. The Simulation and Realization of a New Kind of Digital Broad Band Microwave Noise Generator. , 2007, 29(7): 1600-1603 .