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MAX9406ETJ+ HDMI Output is not Consistent

		
				

			

									
					    DevaPraba
					
							


			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Nov 30, 2023 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
    
		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  MAX9406ETJ+ 
    
    		        		    		    
    
		    		    
		    			
    
			    
    Hello Team,
    

    I am using MAX9406ETJ+  (DisplayPort to DVI/HDMI Level Shifter) for  Dual Mode-Diplay Port (DP++) to HDMI Conversion.
    

    In that, The HDMI video is not coming consistently. i.e., It appears and disappears in between. sometimes not appearing at all.  The quality of Video output is good. As i am using Ubuntu 18.04 OS, I have tried all the possible ways from application side (i.e., in Display setting, change into Joint Monitor, Single display, Mirroring). Only in Mirroring, I am getting Video output for long time until Shut town. Once Shut down, again HDMI output is not appearing.
    

    Note: i.  I am using Common Mode Choke (P/N:  MCZ1210AH900L2TA0G) at  the output (TMDS and Clk Signals).
    

           
    

    Kindly do the needful.
    

    

    Regards,
    

    Prabakaran  P
    
			
    
			
									
		                             
                        

    
    
                                            
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                on Nov 30, 2023 8:21 AM
            
            
						
			            		
        
		
										+1
					
	
        

		
		
        
		
        
                                
                                                            
        
					
        Hi,
        

        This is to inform that, we don't have much knowledge about this part. While surfing in net, we find the below information related to your query. Hope this will help you!
        

        

        Double-check the common mode choke (CMC) and its connection. Make sure it is properly soldered and configured according to the datasheet recommendations.
        

         
        

        In Ubuntu, go to the display settings and make sure that the display mode is properly configured.
        

        Check if the resolution settings for both the DisplayPort and HDMI outputs are supported by the connected devices (monitor, TV, etc.).
        

         
        

        If feasible, test the setup with a different operating system. This can help determine if the issue is specific to Ubuntu or if it's a more general hardware or configuration problem.
        

         
        

        Currently, only Maxim ATE products are supported on Engineer Zone at this time. Over the next several months, you will see more Maxim products being supported in Engineer Zone. Please visit one of the technical support pages on our newly integrated website below for assistance with Maxim Integrated products.  
        

        EN -  https://www.analog.com/en/support/technical-support.html# 
        

        CN - https://support.analog.com/zh-CN/technical-support/ 
        

        JP - https://support.analog.com/ja-JP/technical-support/ 
        

        Thanks,
        Dharani S
        
			
        

		
			
	      

		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
				
						
						
				
				
		
		
        
			
		
        
	
        

        

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                on Nov 30, 2023 8:21 AM
            
            
						
			            		
          
		
										+1
					
	
          

		
		
          
		
          
                                
                                                            
          
					
          Hi,
          

          This is to inform that, we don't have much knowledge about this part. While surfing in net, we find the below information related to your query. Hope this will help you!
          

          

          Double-check the common mode choke (CMC) and its connection. Make sure it is properly soldered and configured according to the datasheet recommendations.
          

           
          

          In Ubuntu, go to the display settings and make sure that the display mode is properly configured.
          

          Check if the resolution settings for both the DisplayPort and HDMI outputs are supported by the connected devices (monitor, TV, etc.).
          

           
          

          If feasible, test the setup with a different operating system. This can help determine if the issue is specific to Ubuntu or if it's a more general hardware or configuration problem.
          

           
          

          Currently, only Maxim ATE products are supported on Engineer Zone at this time. Over the next several months, you will see more Maxim products being supported in Engineer Zone. Please visit one of the technical support pages on our newly integrated website below for assistance with Maxim Integrated products.  
          

          EN -  https://www.analog.com/en/support/technical-support.html# 
          

          CN - https://support.analog.com/zh-CN/technical-support/ 
          

          JP - https://support.analog.com/ja-JP/technical-support/ 
          

          Thanks,
          Dharani S
          
			
          

		
			
	      

		
		
	
          
	
          
		
          
			
		
          
	
          
	
          
		
						
				
						
						
				
				
		
		
          
			
		
          
	
          

          

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