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                        HEADPHONE AMPLIFIER CIRCUIT
                    
                                            
                                - 
                                    Publication number 20110095829
                                
 
                                - 
                                    Publication date Apr 28, 2011
                                
 
                        
                                            
                                - 
                                        
                                    Analog Devices, Inc.
                                 
                                - 
                                        
                                    Jinghua  Ye
                                 
                        
                                            
                                - 
                                        
                                    H03 - BASIC ELECTRONIC CIRCUITRY
                                 
                        
                 
             
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                        Headphone Amplifier Circuit
                    
                                            
                                - 
                                    Publication number 20100097148
                                
 
                                - 
                                    Publication date Apr 22, 2010
                                
 
                        
                                            
                                - 
                                        
                                    Analog Devices, Inc.
                                 
                                - 
                                        
                                    Jinghua  Ye
                                 
                        
                                            
                                - 
                                        
                                    H03 - BASIC ELECTRONIC CIRCUITRY
                                 
                        
                 
             
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                        CLASS L AMPLIFIER
                    
                                            
                                - 
                                    Publication number 20080315955
                                
 
                                - 
                                    Publication date Dec 25, 2008
                                
 
                        
                                            
                                - 
                                        
                                    Leadis Technology, Inc.
                                 
                                - 
                                        
                                    Cary L.  Delano
                                 
                        
                                            
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                                    H03 - BASIC ELECTRONIC CIRCUITRY
                                 
                        
                 
             
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                        Class L Amplifier
                    
                                            
                                - 
                                    Publication number 20070236294
                                
 
                                - 
                                    Publication date Oct 11, 2007
                                
 
                        
                                            
                                - 
                                        
                                    Leadis Technology, Inc.
                                 
                                - 
                                        
                                    Cary L. Delano
                                 
                        
                                            
                                - 
                                        
                                    H03 - BASIC ELECTRONIC CIRCUITRY
                                 
                        
                 
             
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                        Power drive circuit
                    
                                            
                                - 
                                    Publication number 20010002801
                                
 
                                - 
                                    Publication date Jun 7, 2001
                                
 
                        
                                            
                                - 
                                        
                                    ROHM CO., LTD.
                                 
                                - 
                                        
                                    Toshiro  Okubo
                                 
                        
                                            
                                - 
                                        
                                    H03 - BASIC ELECTRONIC CIRCUITRY