数字上变频器在中频数字化中的应用

Application of Digital Up-Converter in IF Digitalization

介绍 Intersil公司数字上变频器 HSP50 4 1 5的功能和特点 ,结合提出的发射机中频数字化方案 ,以实现基带信号的 DSB,USB,LSB调制为例 ,说明HSP50 4 1 5在软件无线电中的应用 。

The function and the features of the digital up converter HSP50415 are introduced in this paper. Its application in software radio is discussed by proposing a realized scheme of digital IF transmitter, finally an example to implement DSB, USB and LSB modulation is given.