PedalPCB Thumb Sucker Quick start guide

Copyright © 2021 - PedalPCB.com Page 1 of 5Thumb Sucker

Thumb Sucker

Revised 4/9/21

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• Attack

• Release

• Level

• Ratio

• Threshold

• Bright (Toggle switch)

CONTROLS AND FEATURES

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Parts List (Page 1 of 1)

LOCATION VALUE TYPE NOTES

R1 10M Resistor, 1/4W

R2 1K Resistor, 1/4W

R3 100K Resistor, 1/4W

R4 10K Resistor, 1/4W

R5 10K Resistor, 1/4W

R6 220R Resistor, 1/4W

R7 10K Resistor, 1/4W

R8 1K Resistor, 1/4W

R9 1K Resistor, 1/4W

R10 1K Resistor, 1/4W

R11 1M Resistor, 1/4W

R12 100R Resistor, 1/4W

R100 10K Resistor, 1/4W

R101 1M Resistor, 1/4W

R102 1M Resistor, 1/4W

C1 10n Film capacitor, 7.2 x 2.5mm

C2 100p Ceramic capacitor

C3 4n7 Film capacitor, 7.2 x 2.5mm

C4 10u Electrolytic capacitor, 5mm

C5 1u Electrolytic capacitor, 5mm

C6 1u Electrolytic capacitor, 5mm

C100 100u Electrolytic capacitor, 5mm

C101 10u Electrolytic capacitor, 5mm

D1 1N4148 Signal diode, DO-35

D2 1N4148 Signal diode, DO-35

D3 3mm Red 3mm Red LED, Diused

D4 3mm Red 3mm Red LED, Diused

D5 1N4148 Signal diode, DO-35

D100 1N5817 Schottky diode, DO-41

Q1 2N3906 BJT transistor, PNP TO-92

IC1 TL072 Dual op-amp, DIP8

IC2 TL072 Dual op-amp, DIP8

IC3 LM13700 Transconductance Amplier (OTA)

ATTACK B100K 16mm right-angle PCB mount pot

RELEASE B1M 16mm right-angle PCB mount pot

LEVEL A10K 16mm right-angle PCB mount pot

RATIO A1M 16mm right-angle PCB mount pot

THRESHOLD B1M 16mm right-angle PCB mount pot

BRIGHT ON/ON Toggle switch, SPDT 2-position (ON/ON)

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Schematic Diagram

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Wiring Diagram

F

O

O

T

S

W

I

T

C

H

P

O

T

E

N

T

I

O

M

E

T

E

R

P

O

T

E

N

T

I

O

M

E

T

E

R

T

O

G

G

L

E

S

W

I

T

C

H

P

O

T

E

N

T

I

O

M

E

T

E

R

P

O

T

E

N

T

I

O

M

E

T

E

R

P

O

T

E

N

T

I

O

M

E

T

E

R

L

E

D

D

C

J

A

C

K

I

N

P

U

T

J

A

C

K

O

U

T

P

U

T

J

A

C

K

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Drill Template

125B Enclosure

Attack ReleaseBright

Level ThresholdRatio

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