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锁相环的相噪



		

			

									
					    asd1993
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on May 24, 2024 
				
			
			
		
    

				
		
    
		    		    
		    
		    		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  ADF4372  
    
    		        		    		    	
			
    我在用adf4372锁相环时候发现整数锁定情况下，相噪比小数锁定时好了8，9的dB,比如我锁定10G时相噪100k的位置是104dB,锁定到10.001G时100k相噪只有96dB了，为什么会差这么多？
    
									
			                
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    Tags: 
                                            
                 hardware
                
                                                    
                 ADF4372
                
                                                    
                 Fractional-N PLL
                
                                                    
                 Phase Locked Loop (PLL) Synthesizer & Translation Loop