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AD795KN接收红外光，怎么会有这个波



		

			

									
					    蒋新华
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jul 22, 2015 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    用ad795kn接收红外光，在没有信号发生时，电路里有个这个频率的波，当引入红外信号照射时，又会加入50Hz的波，请问有什么好办法？
    
 
    
									
			        
		
    

				
						
        

    
    Tags: 
                                            
                 Operational Amplifiers (Op Amps)
                
                                                    
                 amplifiers
                
                                                    
                 ad795
                
                                                    
                 Low Input Bias Current Op Amps (≤100 pA)