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AD603级联的AGC电路

		
				

			

									
					    wanghanwen
					
							


			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Mar 21, 2018 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
		    			
    
			    
    AD603级联构成的AGC电路中，半波检测电路对小信号不敏感，需要怎么调整？幅值在10mv-100mv的正弦信号。参考芯片手册上的电路。
    
			
    
			
									
		                             
                        

    
    
                                            
                 Analog Control Variable Gain Amplifiers (VGAs)
                
                                                    
                 amplifiers
                
                                                    
                 ad603
                
                                                    
                 Variable Gain Amplifiers (VGA)