It was my first DIY Build - so sorry for the building quality (wink)

last update: 07 may 2014


Projektinfo:

http://yusynth.net/Modular/EN/ARPVCF/index.html

Hinweis:

4  x 47k Linear Poti für others (freq, Resonance etc)      banzai Alpha 16mm FS 50k lin

2 x 47k Log Poti für Input Level     banzai Alpha 16mm FS 50k log

6  x knobs

6 x female 6,3mm mono

pinheaders/connectors or hard wire linking to frontpanel

 

Building details

Japanese dual transistors version
referencevaluequantity
U1LM3900N1
U2TL0741
Q1 to Q6
or Q1 to Q12
2SA798
either 2N3906 or BC557 matched by pairs (caution the pin out is different, see layouts above)
6
or 12
R1,R210 ohms 5% - or 2x ferrite (better)2
R8,R10*,R11*,R15*,R16*,R20*,R21*,R25*,R26*220 ohms * matched to 1%
5% otherwise
9
R7,R9*,R14*,R19*,R24*,R42,R461k * matched to 1%
5% otherwise
7
R12*,R13*,R17*,R18*,R22*,R23*,R27*,R28*,
R29,R35,R36,R37,R38,R43
10k * matched to 1%
5% otherwise
14
R4415k 5%1
R40,R4127k 5%2
R4533k 5%1
R3,R4,R5,R6,R30,R31,R32,R34,R39100k 5%9
R33150k1
C3,C4,C5,C6470p matched to 1%4
C7,C8100n2
C1,C2,C9,C1022µF 35V4
T22k2 10 turns trimmer bourns Y no w series1
T147k 10 turns trimmer  bourns Y no w series1
P1,P247k log potentiometer2
P13,P4,P5,P647k lin potentiomter4
Jk1,Jk2,Jk3,Jk4,Jk5,Jk6female jack sockets6

 

2k2 trimmer

 

 Reichelt Parts ohne Frontplatten poti etc:

 

LM 3900 DILAmplifier, DIL-14 
TL 074 DILOp-Amp, DIL-14 
TL 072 DIPOp-Amp, DIP-8 
METALL 220Metallschichtwiderstand 220 Ohm 
METALL 1,00KMetallschichtwiderstand 1,00 K-Ohm 
METALL 10,0KMetallschichtwiderstand 10,0 K-Ohm 
METALL 15,0KMetallschichtwiderstand 15,0 K-Ohm 
METALL 27,0KMetallschichtwiderstand 27,0 K-Ohm 
METALL 33,0KMetallschichtwiderstand 33,0 K-Ohm 
METALL 100KMetallschichtwiderstand 100 K-Ohm 
METALL 150KMetallschichtwiderstand 150 K-Ohm 
 470p Glimmerhttp://www.reichelt.de/CY-22-3-470P/3/index.html?&ACTION=3&LA=446&ARTICLE=42437&artnr=CY+22-3+470P&SEARCH=470p 
100N poly or c0gC0G or polyester 
22uF electrolyt capelekrolyt kondensator

 

64Y-50Khttp://www.reichelt.de/64Y-50K/3/index.html?&ACTION=3&LA=446&ARTICLE=2727&artnr=64Y-50K&SEARCH=64Y-50K 
64Y-2Khttp://www.reichelt.de/64Y-50K/3/index.html?ACTION=3;ARTICLE=2717;SEARCH=64Y-2,0K 
2x Ferrite instead of 2x 10R  

 

 

 

Schematic from Yusynth