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AD9958输出不了波形

		
	
				

			

									
					    Mars1995
					
							

            
            			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Dec 4, 2025 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
    
		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  AD9958  
    
    		        		    		    
    
		    		    
		    			
    
			    
       
    

    如图所示的连接，我能在SYNC_CLK测到我设置的125MHz的时钟（外部时钟25Mhz，设置20倍，500Mhz的1/4），设置后还有个100ns左右的io_update的上拉。目前我的AD9958输出不了正弦波，设置幅、相位、频率都没反应。
    
			
    
			
									
		                                 
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                 hardware
                
                                                    
                 clock and timing
                
                                                    
                 Clocks & Timers
                
                                                    
                 dds
                
                                                    
                 Direct Digital Synthesis (DDS)
                
                                        
                                            
                
                
                                
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