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ADUCM355使用M355_ECSns_EIS程序进行EIS扫频1K电阻，在低频率时阻抗值和相位值都出现了异常

		
	
				

			

									
					    LCHuang
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Aug 6, 2025 
				
			
			
		

		
		                    	    

        	    
Thread Summary

                用户在70Hz之前的频率测试中遇到电阻值异常的问题，70Hz及以上的频率测试结果正常。Analog Devices支持工程师建议检查板上的校准电阻RCAL值是否与程序中的值一致，并且与实际被测电池内阻值差距不大。用户确认RCAL值为200Ω，但在低频测试时仍存在较大偏差。
                        	    

                
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在70Hz之前的电阻值都出现异常，在70Hz之后的才正常


 


不正常的数据如下


 


正常的数据如下


 

			

			
									
		                             
                        

    

                                            
                 sensors
                
                                                    
                 Sensors and MEMS
                
                                                    
                 aducm355
                
                                                    
                 eis
                
                                                    
                 Electrochemical Sensors
                
                                
            

    
    
		


				
				        
        		

			
						
									
												
			
			
                        
                                    
                        
                        
                        
            
			            
						
						
			
			
			
			
		


        
        
        
    
					

			





















	

	

					



			


			
	













	
			








	






































     



















		        
        

            
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