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                锂电保护方案
                
      
                发布时间：2019-11-07     浏览：2680
                
      
                
    
                
    
                
      无线通信终端中包含有射频滤波器，其频率范围从800到2500MHz。目前最广』泛应用的射频滤波器是声表滤波器（通常简称SAW，是一种▲用石英、铌酸锂或钎钛酸铅等压电晶体为基片...    
                
    
                
      
                    
                
    
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