Intermodulation distortion in narrowband amplifier circuits

被引：6
|
作者：
Mazzaro, G. J. [1 ]
Steer, M. B. [1 ]
Gard, K. G. [1 ]
机构：
[1] N Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2010年 / 4卷 / 09期
关键词：
INTERFERENCE;
D O I：
10.1049/iet-map.2009.0281
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：
The contribution of bandpass filter memory to intermodulation distortion in narrowband amplifier circuits is examined. A method for generating multisines from filtered switched tones is presented, and techniques for measuring an amplifier's IP3 and extracting a filter's passband using these multisines are developed. It is shown that amplified filtered pulses produce intermodulation distortion in frequency-hopping communication systems. In the experimental study, 465 and 900-MHz Chebyshev bandpass filters are considered.
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页码：1149 / 1156
页数：8
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