| HHAN-01 | 
                            Transducer Signal Port Location Key | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-02 | 
                            Direct mounting considerations for FG series cylindrical microphone | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-03 | 
                            The measurement and suppression of RF interference from TDMA phones | 
                            
                                
                                    
                                    Tech Specs
                                
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                            | AN-04 | 
                            Directional microphone applications | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-06 | 
                            Ferrofluid damped ED receivers | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-07 | 
                            Ferrofluid damped receiver part numbering system | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-08 | 
                            HC series high-output receivers | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-09 | 
                            Thin Mic family microphones | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-10 | 
                            Transducer warranty date code numbering system | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-11 | 
                            VEF Vibration Isolation receivers | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-13 | 
                            Soldering to Knowles Transducers | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-14 | 
                            Marking of Microphone Pairs | 
                            
                                
                                    
                                    Application Note
                                
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                            | AN-16 | 
                            A Passive Current Source for Two-Wire Microphones | 
                            
                                
                                    
                                    Application Note
                                
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