← 返回 JSSC 论文列表JSSC 2010第5期Other0.13μm SiGe BiCMOS
24-Bit 50 GHz Direct Digital Synthesizer RFIC With Direct Digital Modulations in
首款超GHz输出频率带直接数字调制功能的24位5.0GHz直接数字合成器RFIC
0.13μm SiGe BiCMOS, 3.3V, 5.0GHz, 45dBc SFDR@50MHz带宽
直接数字合成器射频集成电路脉冲压缩雷达无ROM架构数字调制
▸首款输出频率超GHz且具备直接数字调制功能的DDS RFIC
▸采用无ROM架构实现24位频率/12位相位直接数字调制
▸集成10位分段正弦加权DAC实现相位-幅度转换
Abstract
This paper presents a 24-bit 5.0 GHz ultrahigh-speed
direct digital synthesizer (DDS) with direct digital modulation
capabilities used in a pulse compression radar. This design repre-
sents the first DDS RFIC in over-GHz output frequency range with
direct digital modulation capabilities. It adopts a ROM-less archi-
tecture and has the capabilities for direct digital frequency and
phase modulation with 24 bit and 12 bit resolution, respectively.
The DDS includes a 24-bit ripple carry adder (RCA) a