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Implementation of a broadband high-dynamic IF AGC system
Author(s): 
Pages: 46-48,73
Year: Issue:  11
Journal: Electronic Measurement Technology

Abstract: 在某宽带遥测接收机系统设计中,针对系统大动态范围设计要求,提出了一种宽带大动态中频AGC电路实现方案,该方案采用反馈型AGC结构,实现了带宽20 MHz下动态范围达60 dB的AGC系统.重点阐述了系统各模块的设计思路和技术指标,并对系统电路的工作原理进行了详细的分析,最后给出了系统测试结果.实测结果表明,该方案的AGC电路在20 MHz带宽下具有足够大的动态范围,且性能稳定,满足系统设计指标,并...
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