Characterization of FCC Compliance UWB Pulse Response of the UWB Low Noise Amplifier

被引：0
|
作者：
Fang, Chao [1 ]
Law, Choi L. [1 ]
机构：
[1] Nanyang Technol Univ, PWTC Ctr, Singapore 639815, Singapore
来源：
2007 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5 | 2007年
关键词：
Pulse respons; time domain measurements; pulse calibration; low noise amplifier (LNA); pulse distortion; pseudomorphic high electron mobility transistor (pHEMT); ultra-wideband (UWB);
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new practical way to characterize the degree of pulse distortion introduced by the UWB LNA is discussed. The real FCC compliance UWB pulse is used as the characterization source. The pulse response characterization procedure is carried on the author designed UWB LNA by using a time domain sampling oscilloscope with the delays and losses of cables and probes corrected in frequency domain. The correction procedure is verified by using a "through" standard. The exact similarity of the input and output pulses of the UWB LNA is qualified by the correlation coefficient of the input and output pulses. The characterization results show that the correlation coefficient of the input and output pulses can maintain higher than 0.9 when the peak to peak voltage of the input pulse is increased to 108 mV. And the simple investigation done in ADS shows that the high pass filtering can be performed in the output of the UWB LNA to improve the correlation coefficient of the input and output pulses when the peak to peak voltage of the input pulse is high.
引用
收藏
页码：2140 / 2143
页数：4
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