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A 0016 mm 50 24 GHz RF Signal Quality Measurement Macro for RF Test and Diagnosi
提出一种新型RF信号质量测量宏,用于RF测试与诊断,面积仅为传统芯片频谱分析仪的1/10。
2.4 GHz-Tx载波功率测量误差仅1 dB
谐波分析射频测试频谱测量载波功率谐波发射
▸创新点1:窗口移位测量技术(方法创新)——通过低频测量间接获取高频分量功率,显著降低对高频测试设备的依赖,误差控制在1 dB以内,解决了传统频谱分析仪面积大、成本高的问题。
▸创新点2:阶梯式加权加法技术(方法创新)——通过加权叠加方式有效抑制谐波功率、相位和直流偏移引入的测量误差,提升信号质量分析的精度,尤其适用于复杂RF系统的片上诊断。
▸创新点3:数字测试仪兼容性设计(系统创新)——仅用低成本数字测试仪即可完成2.4 GHz载波功率测量(误差1 dB)及谐波发射检测(FCC合规性验证),替代昂贵RF测试仪,测试效率提升10倍以上。
▸创新点4:微型化频谱分析架构(电路创新)——芯片面积仅为传统频谱分析仪的1/10,通过创新电路结构集成窗口移位和加权加法模块,实现高密度片上信号质量监测。
Abstract
zuno , Member , IEEE
Abstract—Our RF signal-quality measurement macro employs
1) a new window-shifting measurement technique that obtains the
power of a high-frequency component on the basis of lower-fre-
quency measurements, and 2) a new stair-like weighted addition
technique that decreases error due to harmonic power, phase,
and DC offset in measured signals. The macro occupies only 1/10
the area of conventional on-chip spectrum analyzers. Carrier
power for 2.4 GHz-Tx was successfully measured