Downconverter

Part ID         Value                                  Description                        Remarks

R1                 47                                        1/3W

R2                 100                                      1/3W

R3                 100                                      1/3W

R4                 10                                        1/3W

R5                 1K                                       1/3W

R6                 100K                                   1/3W

R7                 10                                        1/3W

R8                 10                                        1/3W

R9                 110                                      1/3W

R10               100                                      1/3W

R11               248                                      1/3W                                   Use 240

R12               61                                        1/3W                                   Use 62

R13               61                                        1/3W                                   Use 62

R14               3K3                                     1/3W

R15               22K                                     1/3W

R16               47                                        1/3W

R17               330                                      1/3W

R18               330                                      1/3W

R19               18                                        1/3W

R20               1K                                       1/3W

R21               150                                      1/3W

R22               10                                        1/3W

R23               2K2                                     1/3W

R24               2K2                                     1/3W

R25               2K2                                     1/3W

C1                 18nF

C2                 22nF                                   

C3                 3u3                                     

C4                 470nF

C5                 2u2F

C6                 47uF

C7                 47uF

C8                 150pF

C9                 56pF

C10               10pF

C11               100nF

C12               47uF

C13               1uF

C14               22nF

C15               150pF

C16               270pF

C17               150pF

C18               10nF

C19               47uF

Part ID         Value                                  Description                        Remarks

D1-3              1N4148                              

L1-2              100uH          

L3                  15uH                                   Drossel

L4                  1uH                                                                                 Neosid BV5048                                       

L5                  47uH                                   Drossel

L6                  400nH                                                                             Neosid BV5036

L7                  400nH                                                                             Neosid BV5049

Q1                 J310                                    FET

Q2                 BFW17                               NPN                                   BFX89 or equal

U1+2             LM833N                             Dual opamp                         NE5532 or equal (Worse noise)

U3                 78L08                                 8V Voltage regulator

K1-3             12V                                     Omron G5V-2 or equal.      

SRA-1           SRA1                                  Mixer                                   HPF-505 or equal