Component List: Low-Pass

Resistors:

(Thin film, 1%, SMD 0603)

R1 = 47 k

R2, R5, R9, R17, R21, R23 = parallel connection *

R3 = 5k11

R4 = 11 k

R6, R12, R18, R24 = gain, not applicable *

R7, R13, R19, R25 = 3k48

R8 = 6k19

R10, R16 = 8k25

R11 = 129 k

R14 = 3k83

R15 = 28k7

R20 = 4k64

R22, R27, R28 = 10 k

R26 = 220 Ω

Capacitors:

(Unless specified otherwise: 5%, COG, SMD0805)

C1, C3, C5, C7, C9, C11, C13, C15 = parallel connection *

C2 = 18 n

C4, C8 = 15 n

C6 = 22 n

C10 = 47 n

C12 = 12 n

C14 = 100 n

C16 = 3n3

C17, C18, C19, C20 = electrolytic capacitor 22 µ / 20 V, SMD-B

C21, C22, C23, C24 = 100 n, SMD0603

Semiconductor:

LED1, LED2 = LED, green, SMD0805

IC1, IC2 = NE5532A, SO08

Also:

K1, K9 = 2-pin male connector, RM 1/10″

K2..K5 = 3-pin male connector, RM 1/10″

* See text

Component List: Band-Pass

Resistors:

(Thin film, 1%, SMD 0603)

R1 = 3k6

R2, R12 = parallel connection *

R3, R5 = 1k78

R4 = 23k7

R6, R23, R24 = 46k4

R7, R17 = 1 k

R8, R18 = 511 Ω

R9 = 13k9

R10, R25, R26 = not applicable *

R11 = 0 Ω

R13 = 1k62

R14 = 19k6

R15 = 1k2

R16 = 82 k

R19, R21, R22 = 10 k

Capacitors:

(Unless specified otherwise: 5%, COG, SMD0805)

C1, C4, C5, C8, C9 = 100 n, SMD1206

C2, C3, C6, C7 = parallel connection *

C10 = not applicable

Semiconductor:

LED1, LED2 = LED, green, SMD0603

IC1 = OPA2209AIDR, SO08

Also:

K8, K9 = 2-pin male connector, RM 1/10''

K2..K5 = 3-pin male connector, RM 1/10''

* See text