Fat Controller - Parts list
Here is a complete BOM for the Fat Controller PCB. Where people have had trouble finding
parts I have added links to suppliers, and in some cases alternative parts. If you are having
trouble with a particular part, please just ask
)information here.
QTY PART-REFS VALUE
--- --------- -----
Resistors
---------
1 R1 4K99 (0·1% 15ppm/C)
1 R2 29K4 (0·1% 15ppm/C)
2 R3,R11 10K (R3 0·1% 15ppm/C, R11 1% 50ppm/C)
1 R4 23K2 (0·1% 15ppm/C)
1 R5 23K7 (0·1% 15ppm/C)
3 R6,R9,R10 220 (1% 50ppm/C)
1 R7 680 (1% 50ppm/C)
1 R8 1.5K (1% 50ppm/C)
15 R12,R14,R17,R19,R21,R23,R25, 1K (1% 50ppm/C)
R27,R29,R31,R33,R35,R37,R39,
R41
19 R13,R16,R18,R20,R22,R24,R26, 100 (1% 50ppm/C)
R28,R30,R32,R34,R36,R38,R40,
R42,R49,R50,R51,R52
1 R15 51 (1% 50ppm/C)
3 R43,R45,R47 4K3 (1% 50ppm/C)
3 R44,R46,R48 2K (1% 50ppm/C)
Capacitors
----------
4 C1,C2,C23,C28 22uF (Radial electrolytic)
12 C3,C5,C6,C24,C25,C46,C47,C48, 100nF (Axial multilayer ceramic)
C49,C50,C51,C57
1 C4 10uF (Radial electrolytic)
1 C7 2.7pF (Ceramic disc)
16 C8,C9,C10,C11,C12,C13,C14, 10nF (LCR box-type radial polystyrene
C15,C16,C17,C18,C19,C20,C21, Farnell 3358951 or 9520830
C22,C45 Except for C45 which is ceramic
disc or 0.2" pitch polyester)
2 C26,C27 22pF (Ceramic disc)
15 C29,C30,C31,C32,C33,C34,C35, 330pF (Ceramic disc)
C36,C37,C38,C39,C40,C41,C42,
C43
Integrated Circuits
-------------------
1 U1 78L05
1 U2 MAX6225
1 U3 6N139
1 U4 PIC16F877 (Can also use PIC16F877A)
1 U5 AD744J
4 U6,U7,U8,U9 MXL1014 (Can also use LT1014)
1 U10 MAX306
1 U11 MAX544
1 U12 AD711J
Transistors
-----------
3 Q1,Q2,Q3 2N3904
Diodes
------
2 D1,D2 1N4148
Miscellaneous
-------------
3 FB1,FB2,FB3 Radial Ferrite Bead (Rapid 26-4865)
1 J1 POWER (4 pin 0.1" pitch Molex KK PCB header
or cheaper equivalent like JYK P2500-xx/H2500-xx)
3 J2,J3,J4 (7 pin 0.1" pitch Molex KK PCB header)
1 J5 MIDI In (2 pin 0.1" pitch Molex KK PCB header)
1 J6 MIDI Thru (3 pin 0.1" pitch Molex KK PCB header)
1 J7 Buttons (5 pin 0.1" pitch Molex KK PCB header
Farnell 176989 and 176444)
1 LCD1 PC0802-A (Connector is 14 pin 2mm pitch PCB header, or you
can solder the wires directly.
The LCD is a Powertip PC0802-A 8x2 alphanumeric
display. If you want a larger display, then get
the PC0802-L.
Available from RS Components 214-3288 & 214-3480
The interface is quite standard, so probably
another 8x2 alphanumeric display would also work
- check the datasheet for the PC0802-A for the
full specifications.)
2 RV1,RV2 1K (0.2" x 0.1" pitch multiturn precision trimmer
e.g.
Bourns 3260W 1/4" 11 turn wirewound 70ppm/C
Bourns 3262W 1/4" 12 turn cermet 100ppm/C
Bourns 3266W 1/4" 12 turn cermet 100ppm/C with PCB standoffs to allow washing
Bourns 3296Y 3/8" 25 turn cermet 100ppm/C
I used Bourns 3266W. The 25 turn Bourns 3296Y
will make adjusting easier and should fit the
PCB - but the clearance between RV2 and U11 will
be tight: looks to be just about ok from the
measurements, but I didn't actually try it myself.)
1 RV3 10K (0.2" x 0.4" pitch standard cheap trimmer)
1 X1 20MHz (0.2" pitch low profile parallel cut crystal)
More ..