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readback  变成db

		
	
				

			

									
					    chendong
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Sep 15, 2019 
				
			
			
		

		
		                     
				
        		

		    
		    		    
		    			

			    
您好：


       我想用readback 模块做电平检测。我用MCU 读出数值后有什么公式换算成db 数。谢谢。我会用到1761 和1452 这个两个计算公式是不是不一样。

			

			
									
		                             
                        

    

                                            
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