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ADI SIM PLL - How to use the RFOUT/2 pin on an ADI VCO in a simulation?



		

			

									
						XM-B
					
							

			
				
									
											
							 		
		        	            							
			
			    	
			                    
                
				                on Jun 25, 2020 
				
			
			
		


				
		

		    		    
		    
		    	
			
Hi all,




I'm trying to recreate the PLL design that is in the HMC699 datasheet on page 11 (https://www.analog.com/media/en/technical-documentation/data-sheets/hmc699.pdf).


First I would like to simulate it exactly in ADI SIM PLL.


So far this is the closest I've been able to get to the design using a prescaler in the ADI SIM database:


 


I was wondering if it would be possible to use the "Div" output of the VCO and if so how I would be able to change to a divide by 2 to simulate the RFOUT/2 output pin on the HMC529 as used in the original data sheet:


 




Thanks for any help in advance!