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Panel
borderColor#000000
bgColor#f0f0f0
titleColor#FFFFFF
titleBGColor#4C5356
titleProject

Projecttitel: Yusynth Arp4072 Filter

Status: 
Status
colourGreen
titlefinished

Startdate: 2010

Duedate: 2010

update Q4/2014

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

...

added a second DIY project 2014 with better quality..

last update: jun 2014



Attention: for bridechamber pcb (SA798) version,  the output is wrong.    correct:GND to TIP,  Signal to GND

...

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% ( i use Glimmercaps they have 2%)4
C7,C8100n2
C1,C2,C9,C1022µF 35V4
T22k2 10 turns trimmer  3296w series for bridechamber pcb, otherwise Y1
T147k 10 turns trimmer  3296w series for bridechamber pcb, otherwise Y
1
P1,P247k log potentiometer2
P13,P4,P5,P6 (see latest entry)47k lin potentiomter4
Jk1,Jk2,Jk3,Jk4,Jk5,Jk6female jack sockets6
DUAL GANG POT for Resonance (bleed thru fix)dual 47K linear1

 

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-50K

http://www.reichelt.de/64Y-50K/3/index.html?&ACTION=3&LA=446&ARTICLE=2727&artnr=64Y-50K&SEARCH=64Y-50K

for bridechamber pcb use 64W-50K

 
64Y-2K

http://www.reichelt.de/64Y-50K/3/index.html?ACTION=3;ARTICLE=2717;SEARCH=64Y-2,0K

for bridechamber pcb use 64W-2,0K

http://www.reichelt.de/index.html?ACTION=3;ARTICLE=2700;SEARCH=64W-2,0K

 
2x Ferrite instead of 2x 10R  

Bleed through FIX (high esonance and tracking is better too)

picture is wrong

Image Added

 

 

 

Schematic from Yusynth

Gallery
titleYusynth ARP4072