Neutron Duofonic dual SSM2044 VCF Rev1.0 

capacitors   

C3, C4, 							10uf (elec) 
C10,C11,C110,C111,C14,C15  (dc blocking) * on schematic		2.2u-10u electrolytic or 1u poly,or x7r ceramic.
C5,C105								820pF(silver mica or poly) 
C6, C7, C8, C106, C107, C108					10n (poly) 
13 Decoupling capacitors. (on back of board)			13x 10n-100n 805 SMD ceramic. (35v or more)
C9 , 109, C12, C13						15pF (ceramic) 

resistors 

R3, R14, R103, R114     					220R 
R12, 112, R65	              					330R 
R17 ,117, 	     						1k PT146 (3500) or regular 1K if no compensation needed)
R24, R124, R69							10K

R10								12k or 39k with input gain control
R110								24k or 47k with input gain control
R13, R113, R54, R55   						47k 
R4, R5, R6, R7 R15, R19  R104, R105, R106, R107, 
R115, R119 ,RM1, RM2,R50, R51, R52, R53, R68			47k
R23,R123    							75k
R8, R9, R108, R109, R56, R57, R58, R59, R60, R61,,R62,
R63, R64, R66, R67						100k
R16, R116							150k
R18, R118							200k
R11, R111							300k

   

precision trimmer top adjust 20-25 turn 3 pins in line 		(blue box bournes or similar) 
T1,T101 (1V/oct)      						50k 
T2,T102 (freq offset)						50k
T3,T103 (self osc) 						50k
T4, (gain trim) 						20k 
                                                         
semi’s                                                   
U1,U102								SSM2044                                                         
U2, U102							TL074
U3								TLO72


switches
cut CV switch :							DPDT
all other switches :						SPDT

                                                         
potentiometer                                            

All 								B100k lin
   

connections