Products Mentioned

LTC1059 Production
The LTC1059 consists of a general purpose, high performance, active filter building block and an uncommitted op amp. The filter building block together...
Datasheet
LTC1059 on Analog.com

LTC1067 Production
The LTC1067/LTC1067-50 consist of two identical rail-to-rail, high accuracy and very wide dynamic range 2nd order switched-capacitor building blocks. Each...
Datasheet
LTC1067 on Analog.com

LTC1060 Production
The LTC1060 consists of two high performance, switched capacitor filters. Each filter, together with 2 to 5 resistors, can produce various 2nd order filter...
Datasheet
LTC1060 on Analog.com

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Tunable Notch Filter for audible frequency

		
	
				

			

									
					    ZakirMahmood
					
							

            
            			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Dec 29, 2020 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
		    			
    
			    
    Dear team,
    

    I have a requirement of tunable notch filter of notch frequencies from 1Hz to 20kHz, for which I selected these three IC's LTC1059, LTC1060 & LTC1067. The reason I have selected these IC's is that I found tunable notch circuits in the datasheets (in application section) of these IC's.
    

    Requirement description: Tunable notch filter from 1Hz to 20KHz.
    

    Solution required: Which IC is best for my requirement. Do I need any changes in the circuit of the selected IC to get the desired range (i.e. 1Hz to 20kHz) of notch frequencies. And any help regarding the simulation would appreciated.
    

    

    Notch filter from LTC1059 datasheetLTC1060LTC1067
    
			
    
			
									
		                             
                        

    
    
                                            
                 LTC1060
                
                                                    
                 filters
                
                                                    
                 Analog Functions
                
                                                    
                 LTC1059
                
                                                    
                 filter
                
                                        
                                            
                
                
                                        
                                            
                
                
                                        
                                            
                
                
                                        
                                            
                
                
                                        
                                            
                
                
                                        
                                            
                
                
                                
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