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关于AD9866内部的低通滤波器问题

		
	
				

			

									
					    gyth0117
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Nov 29, 2015 
				
			
			
		

		
		                     
				
        		

		    
		    		    
		    			

			    
AD9866内部的DAC包含插值滤波器，ADC包含三阶可编程低通滤波器。

 
请问这两个滤波器的相位特性是怎样的？是线性的吗？

 
多谢各位啦

			

			
									
		                             
                        

    

                                            
                 High Speed A/D Converters >10 MSPS
                
                                                    
                 ad9866
                
                                                    
                 Mixed-Signal Front Ends (MxFE)