Befaco BF-22 SALLEN KEY FILTER V3.3, Assembly Manual

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BF-22 SALLEN KEY FILTER V3.3 - ASSEMBLY GUIDE – REV. NOV 17
THANKS FOR CHOOSING ONE OF OUR KITS!
This manual has been written taking into account the common issues that we often find people
experience in our workshops. The order in which the components are placed on the board is
meant to make assembly as easy as possible.
Some steps are not obvious, so even if you're an experienced DIYer please read the steps
thoroughly before starting.
If this is your first project, please read this article before you start assembling the kit:
www.befaco.org/howto/
GOOD LUCK!
MAIN PCB (The small one)
OPEN MAIN BOARD BAG A
RESISTORS
Qty Value Code Name on PCB
10 10k Brown, black, black, red, brown R8, R9, R13, R14, R17, R18, R21, R22,
R23, R24
4 47 OHM Yellow, purple, black, gold, brown R1, R2, R25, R26
4 220 OHM Red, red, black, black, brown R3, R4, R39, R40
4 3k Orange, black, black, brown, brown R36, R37, R51, R52
4 4.7k Yellow, purple, black, brown, brown R11, R12, R43, R44
2 470 OHM Yellow, purple, black, black, brown R41, R42
2 680 OHM Blue, gray, black, black, brown R31, R32
2 820 OHM Gray, red, black, black, brown R27, R28
2 5.6k Green, blue, black, brown, brown R47, R49
2 7.5k Purple, green, black, brown, brown R35, R38
2 15k Brown, green, black, red, brown R33, R34
2 27k Red, purple, black, red, brown R48, R50
2 33k Orange, orange, black, red, brown R29, R30
2 47k Yellow, purple, black, red, brown R7, R10
2 82k Gray, red, black, red, brown R45, R46
2 270k Red, purple, black, orange, brown R19, R20
2 470k Yellow, purple, black, orange, brown R5, R6
2 910k White, brown, black, orange, brown R15, R16
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