4xD - Parts list
Here is a complete BOM for the 4xD PCB. If you are having trouble with a particular
part, just ask
)
QTY PART-REFS VALUE
--- --------- -----
Resistors
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16 R1,R3,R4,R37,R41,R42,R44 10K (0805 SMT 1% 100ppm/C)
R107,R116,R117,R118,R119,
R120,R121,R122,R123
10 R6,R7,R16,R17,R49,R50,R55, 10K (1% 50ppm/C)
R56,R62,R63
4 R39,R45,R112,R113 10K (1% 50ppm/C - only needed to add analog CV inputs)
2 R2,R43 47K (0805 SMT 1% 100ppm/C)
12 R5,R18,R26,R32,R38,R48,R57, 47K (1% 50ppm/C)
R64,R70,R78,R82,R84
8 R8,R10,R12,R14,R51,R53,R58, 634R (1% 50ppm/C)
R60
8 R9,R11,R13,R15,R52,R54,R59, 91R (1% 50ppm/C)
R61
4 R19,R27,R65,R73 4K42 (1% 50ppm/C)
4 R20,R28,R66,R74 1K33 (1% 50ppm/C)
4 R21,R29,R67,R75 2K32 (1% 50ppm/C)
4 R22,R30,R68,R76 715R (1% 50ppm/C)
4 R23,R33,R71,R79 4K99 (1% 50ppm/C)
5 R24,R34,R72,R80,R102 1K5 (1% 50ppm/C)
4 R25,R31,R69,R77 560R (1% 50ppm/C)
4 R35,R36,R40,R46 1K (1% 50ppm/C)
4 R47,R81,R83,R85 36K (1% 50ppm/C)
8 R86,R87,R88,R89,R90,R91,R92, 300R (1% 50ppm/C)
R93
3 R94,R95,R96 2K2 (0805 SMT 1% 100ppm/C)
5 R97,R99,R100,R101,R103 220R (1% 50ppm/C)
2 R98,R105 680R (1% 50ppm/C)
1 R104 240R (1% 50ppm/C)
1 R106 39R (1% 50ppm/C)
4 R108,R109,R114,R115 100K (1% 50ppm/C)
2 R110,R111 5.6R (1% 50ppm/C)
Capacitors
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24 C1,C2,C3,C5,C7,C9,C38,C39, 100nF (0805 SMT ceramic)
C41,C43,C45,C47,C104,C105,
C106,C107,C108,C109,C110,
C111,C112,C113,C114,C115
13 C49,C73,C74,C75,C76,C77,C78, 100nF (Axial multilayer ceramic)
C82,C85,C86,C100,C116,C118
12 C4,C6,C8,C13,C36,C37,C42,C44, 1uF (0805 SMT ceramic)
C46,C101,C102,C103
2 C10,C48 47uF (Radial electrolytic, 0.1" pitch)
2 C11,C12 39pF (Low K Ceramic disc)
17 C14,C22,C50,C54,C56,C59,C88, 10uF (Radial electrolytic, 0.1" pitch)
C89,C90,C91,C92,C93,C94,C95,
C96,C97,C99
1 C83 10uF (Tantalum, 0.2" pitch)
2 C15,C119 10nF (Axial multilayer ceramic)
12 C16,C17,C19,C20,C26,C33,C51, 470pF (Low K ceramic disc, 0.2" pitch)
C52,C57,C64,C70,C98
4 C18,C23,C55,C60 2.7nF (Polypropylene, 0.2" pitch)
4 C24,C30,C61,C67 2.2nF (Polypropylene, 0.2" pitch)
4 C25,C31,C62,C68 6.8nF (Polypropylene, 0.2" pitch)
4 C27,C34,C65,C71 1.5nF (Polypropylene, 0.2" pitch)
8 C28,C29,C32,C35,C63,C66,C69, 22uF (Radial electrolytic, 0.1" pitch)
C72
1 C40 2.2uF (0805 SMT ceramic)
1 C81 6800uF (Radial electrolytic, 16V, 0.3" pitch
Depending on the AC input voltage you
can get away with a smaller capacitor
e.g. 2200uF or 4700uF)
2 C84,C87 100uF (Radial electrolytic, 0.1" pitch)
Integrated Circuits
-------------------
2 U1,U2 dsPIC30F6012A-30I/PF (TQFP64, 0.8mm pitch)
2 U3,U10 IS62C1024AL-35QLI (SOP32, 0.05" pitch, 0.45" wide body)
2 U4,U11 CS4272-CZZ (TSSOP28, 0.65mm pitch)
8 U5,U6,U7,U14,U15,U16,U20,U21 OPA2340PA(Z) (DIP8, 0.1" pitch)
2 U8,U12 OPA2340PA(Z) (U8 and U12 only needed to add analog CV inputs)
1 U9 PIC16F877A-I/PT (TQFP44, 0.8mm pitch)
1 U22 6N139 (DIP8, 0.1" pitch)
1 U23 LM317T (TO220)
1 U24 7805 (TO220)
Transistors
-----------
3 Q1,Q2,Q3 MMBT3904 (or any general purpose SOT-23 NPN
e.g. PMBT3904, SMBT3904, BSR17A)
Diodes
------
6 D1,D2,D3,D4,D15,D16 1N4002 (Rectifier diode)
2 D5,D6 1N4148 (Signal diode)
4 CLIP-1,CLIP-2,CLIP-3,CLIP-4 CLIP LEDs (3mm red)
Miscellaneous
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1 7.5VAC 7.5V AC
2 AN I/O 1,AN I/O 2 Analog CV Input
2 DIG I/O 1,DIG I/O 2 Digital I/O
3 DSPIC1,DSPIC2,UI PIC ICSP/ICD
1 ENC1 DELAY TIME 1 (Spectrol 110E series
1 ENC2 DELAY TIME 2 rotary encoder 2 bit,
1 ENC3 DELAY TIME 3 9 cycle, 36 detent,
1 ENC4 DELAY TIME 4 horizontal mount
1 ENC5 LFO RATE P/N 110E1A48F209PC
1 ENC6 LFO DEPTH Farnell 3282284 or 1144742
1 ENC7 LFO PHASE O/S Vishay Spectrol Datasheet)
4 FB-1,FB-2,FB-3,FB-4 50K Log * (Spectrol 248 series, Rapid 68-1294)
* I have a feeling a Lin pot may work better -
my experience using mine, which is built with Log
feedback pots, is that the useful feedback range
tends to be bunched up the top end of the pot
position.
8 FB-RTN-1,FB-RTN-2,FB-RTN-3, These sockets all connected
FB-RTN-4,FB-SEND-1,FB-SEND-2, at the panel - not wired to
FB-SEND-3,FB-SEND-4 PCB headers.
9 IN-1,IN-2,IN-3,IN-4, MIDI IN, 2-way PCB headers
OUT-1,OUT-2,OUT-3,OUT-4
2 MIDI OUT,MIDI THRU 3-way PCB headers
1 LED1 Kingbright Triple 7-segment LED display
(Green, Common Anode, P/N BA56-12GWA, Rapid 57-0246)
1 FB1 FERRITE BEAD (Rapid 26-4865)
4 L1,L2,L3,L4 3WAY-LINK
1 L9 LINK
4 P1,P2,P3,P4 PAD
1 SW1 LFO SELECT
1 SW2 LFO WAVEFORM
2 SW3,SW4 PROG/DEBUG (ALPS SSSS2 series, DPDT, PCB mount
Farnell 733581 or 1123870)
1 SW5 ICD EN (ALPS SSSS2 series, SPDT, PCB mount
Farnell 733568 or 1123869)
1 X1 25.000 MHz (20pF fundamental mode parallel resonant)
(All PCB headers are 0.1" pitch Molex KK or
cheaper equivalent like JYK P2500-xx/H2500-xx)
More ..
- Overview
- User manual
- Photos
- Audio samples
- Schematic
- Parts list
- PCB layout
- Source code
- Construction guide
- PCBs & Parts kits
- Surface mount soldering