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HMC705 / HMC794 frequency divider



		

			

									
					    TimW
					
							

			
				
									
											
			
			
				
  •  Analog Employees  

			
			
			    	
			                    
                
				                on Jul 23, 2015 
				
			
			
		


				
		

		    		    
		    
		    	
			
Trying to figure out the min. input duty cycle the products will respond to.  I have a very low duty cycle pulse train @ 100MHz that I need to divide down.  Pulse width is on the order of 200fs.

 
Thanks,

 
Tim

								


				
				
		

			
						
									
									
						
						
			
			
			
			
		


        
        

					

			






	

		
	

















	

	

					



			








	
	
	
	



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    •  Analog Employees  
    
            
			                            
                        
                on Jul 24, 2015 12:57 AM
            
            
					
    
	
    

		
		
    
					
    Hi Tim, 
    
 
    I'd like to get little more information & confirmation before I give you an answer.  
    
 
    1) Can you confirm 200 fS pulse width? That's extremely narrow. Could it be 200pS? I would be curious to know how a pulse width this narrow was measured.
    
 
    2) What is the drive level / amplitude of the 200fS pulse? 
    
 
    3) What division ratio does the customer need?
    
 
    Thanks, 
    
 
    Marty 
    
			
    

		
		
		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
						
				
						
				
				
		
		
    
			
		
    
	
    

    

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													0
							
			
				
									
							        
			
			
			
    •  Analog Employees  
    
            
			                            
                        
                on Jul 24, 2015 12:57 AM
            
            
					
    
	
    

		
		
    
					
    Hi Tim, 
    
 
    I'd like to get little more information & confirmation before I give you an answer.  
    
 
    1) Can you confirm 200 fS pulse width? That's extremely narrow. Could it be 200pS? I would be curious to know how a pulse width this narrow was measured.
    
 
    2) What is the drive level / amplitude of the 200fS pulse? 
    
 
    3) What division ratio does the customer need?
    
 
    Thanks, 
    
 
    Marty 
    
			
    

		
		
		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
						
				
						
				
				
		
		
    
			
		
    
	
    

    

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