    Bill of Materials                                            10MBUFF.PCB

    Quantity  Type              Value             Ref Designators
    ========================================================================

         3                                        J2,J3,J4
         3                      1K                R9,R17,R26
         3                      2K2               R11,RV1,RV1A
         3                      2p7 see note      C32,C33,C42
         2                      3K3               R8,R16
         5                      4u7/35V           C34,C35,C36,C37,C38
         1                      47R               R27
         5                      47n               C39,C40,C41,C43,C46
         3                      51R               R18,R19,R24
         1                      68R               R22
         1                      100R              R23
         6                      100n              C30,C31,C44,C45,C47,C48
         1                      120R              R20
         2                      330R              R10,R25
         1                      470R              RV2
         1                      510R              R37
         2                      560R              R21,R28
         3                      820R              R12,R13,R29
         2                      938R              R14,R15
         1    1N4448                              D3
         2    1n4448                              D1,D2
         1    2N2222A                             Q1
         1    78L05                               U6
         1    78L09                               U9
         1    78L12                               U5
         1    79L05                               U7
         1    79L08                               U8
         1    High Frec                           J5
         1    Low Freq                            J6
         3    OPA603                              U2,U3,U4
         2    PLP-21.4                            F3,F4
         1    T1-1-X65          or 1/2 23z128     T2
         1    T2-1T-X65         or 1/2 23z128     T3


    PCB Components                                               10MBUFF.PCB

    Ref Designator    Pattern           Type              Value
    ========================================================================

    C30               CAP200                              100n             
    C31               CAP200                              100n             
    C32               CAP200                              2p7 see note     
    C33               CAP200                              2p7 see note     
    C34               CAP100RP                            4u7/35V          
    C35               CAP100RP                            4u7/35V          
    C36               CAP100RP                            4u7/35V          
    C37               CAP100RP                            4u7/35V          
    C38               CAP100RP                            4u7/35V          
    C39               CAP100                              47n              
    C40               CAP100                              47n              
    C41               CAP100                              47n              
    C42               CAP200                              2p7 see note     
    C43               CAP100                              47n              
    C44               CAP100                              100n             
    C45               CAP100                              100n             
    C46               CAP100                              47n              
    C47               CAP100                              100n             
    C48               CAP100                              100n             
    D1                DO-41             1n4448                             
    D2                DO-41             1n4448                             
    D3                DO-25             1N4448                             
    F3                SBL-1             PLP-21.4                           
    F4                SBL-1             PLP-21.4                           
    J2                POWERCON                                             
    J3                POWERCON                                             
    J4                SIP11                                                
    J5                JUMPER            High Frec                          
    J6                JUMPER            Low Freq                           
    Q1                TO-18(EBC)        2N2222A                            
    R8                RES400                              3K3              
    R9                RES400                              1K               
    R10               RES400                              330R             
    R11               RES400                              2K2              
    R12               RES400                              820R             
    R13               RES400                              820R             
    R14               RES400                              938R             
    R15               RES400                              938R             
    R16               RES400                              3K3              
    R17               RES400                              1K               
    R18               RES400                              51R              
    R19               RES400                              51R              
    R20               RES400                              120R             
    R21               RES400                              560R             
    R22               RES400                              68R              
    R23               RES400                              100R             
    R24               RES400                              51R              
    R25               RES400                              330R             
    R26               RES400                              1K               
    R27               RES400                              47R              
    R28               RES400                              560R             
    R29               RES400                              820R             
    R37               RES400                              510R             
    RV1               POTH                                2K2              
    RV1A              POT2T                               2K2              
    RV2               POTH                                470R             
    T2                DIP6              T1-1-X65          or 1/2 23z128    
    T3                DIP6              T2-1T-X65         or 1/2 23z128    
    U2                DIP8              OPA603                             
    U3                DIP8              OPA603                             
    U4                DIP8              OPA603                             
    U5                TO92              78L12                              
    U6                TO92              78L05                              
    U7                TO92              79L05                              
    U8                TO92              79L08                              
    U9                TO92              78L09                              

