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Using HMC520a as QPSK modulator



		

			

									
					    kumartheharshit
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jun 14, 2021 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    I am using HMC520a as direct QPSK modulator. In this configuration, should I use IF1 as I channel and IF2 as Q channel or otherwise (IF2 as I and IF1 as Q)? A wrong implementation will give me a phase reversal.