| VCA810AID | 
                                        Texas Instruments | 
                                        680 | 
                                        IC VARIABLE GAIN 1 CIRCUIT 8SOIC | 
                                    
                                                                    
                                        | VCA810ID | 
                                        Texas Instruments | 
                                        349 | 
                                        IC VARIABLE GAIN 1 CIRCUIT 8SOIC | 
                                    
                                                                    
                                        | VCA810IDG4 | 
                                        Texas Instruments | 
                                        5,800 | 
                                        IC VARIABLE GAIN 1 CIRCUIT 8SOIC | 
                                    
                                                                    
                                        | VCA810IDR | 
                                        Texas Instruments | 
                                        301,870 | 
                                        IC VARIABLE GAIN 1 CIRCUIT 8SOIC | 
                                    
                                                                    
                                        | VCA810IDRG4 | 
                                        Texas Instruments | 
                                        5,800 | 
                                        IC VARIABLE GAIN 1 CIRCUIT 8SOIC | 
                                    
                                                                    
                                        | VCA820ID | 
                                        Rochester Electronics | 
                                        23,847 | 
                                        IC VARIABLE GAIN 1 CIRC 14SOIC | 
                                    
                                                                    
                                        | VCA820IDGSR | 
                                        Texas Instruments | 
                                        14,351 | 
                                        IC VARIABLE GAIN 1 CIRC 10VSSOP | 
                                    
                                                                    
                                        | VCA820IDGST | 
                                        Texas Instruments | 
                                        6 | 
                                        IC VARIABLE GAIN 1 CIRC 10VSSOP | 
                                    
                                                                    
                                        | VCA820IDR | 
                                        Texas Instruments | 
                                        5,800 | 
                                        IC VARIABLE GAIN 1 CIRC 14SOIC | 
                                    
                                                                    
                                        | VCA821ID | 
                                        Texas Instruments | 
                                        137 | 
                                        IC VARIABLE GAIN 1 CIRC 14SOIC | 
                                    
                                                                    
                                        | VCA821IDGSR | 
                                        Texas Instruments | 
                                        5,800 | 
                                        IC VARIABLE GAIN 1 CIRC 10VSSOP | 
                                    
                                                                    
                                        | VCA821IDGST | 
                                        Texas Instruments | 
                                        3,917 | 
                                        IC VARIABLE GAIN 1 CIRC 10VSSOP | 
                                    
                                                                    
                                        | VCA821IDR | 
                                        Texas Instruments | 
                                        5,800 | 
                                        IC VARIABLE GAIN 1 CIRC 14SOIC | 
                                    
                                                                    
                                        | VCA822ID | 
                                        Texas Instruments | 
                                        54 | 
                                        IC VARIABLE GAIN 1 CIRC 14SOIC | 
                                    
                                                                    
                                        | VCA822IDG4 | 
                                        Texas Instruments | 
                                        5,800 | 
                                        IC VARIABLE GAIN 1 CIRC 14SOIC |