Elektor Classic: Surf Synthesizer
Ocean Watersports Background Sound Generator (OWBSG)
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Component list
Component List
Resistors (5%, 0.25 W)
R30 = 100 Ω
R1 = 470 Ω
R39 = 560 Ω
R36 = 680 Ω
R26 = 1 kΩ
R35 = 2.2 kΩ
R18 = 4.7 kΩ
R2, R5, R6, R9, R10, R13 = 6.8 kΩ
R16, R37, R38 = 10 kΩ
R14, R24 = 22 kΩ
R15 = 33 kΩ
R7, R20 = 39 kΩ
R11, R19, R21, R28 = 47 kΩ
R4, R12, R17, R23, R25, R31, R32, R33, R34 = 68 kΩ
R22 = 100 kΩ
R8 = 180 kΩ
R3 = 270 kΩ
R29 = 680 kΩ
R27 = 1 MΩ
P1, P2 = 50 kΩ trimmer
Capacitors
C13 = 4.7 nF
C11 = 47 nF
C12 = 100 nF
C10 = 220 nF
C9, C14, C15, C17, C19 = 10 µF, 16 V, 2 mm pitch
C2, C3, C4, C5, C6, C7 = 47 µF, 16 V, 2 mm pitch
C1, C8, C16, C18 = 100 µF, 16 V, 2.5 mm pitch
Semiconductors
D1, D2 = 1N4148
D3 = BAT48
T1, T2, T3, T4, T5, T6, T7, T8, T9, T10 = BC547C
Divers
BAT1 = PP3 9 V battery holder
K1 = speaker 8 Ω, 200 mW
S1 = slide switch
Discussion (0 comments)
David Dirilo 3 months ago
Of course it is not totally transistorized, but it should have been mentioned in you web links in the article.
Of course it is (or was?) an PAIA product that was published to generate sale, but that is no different from you guys are doing.