PedalPCB Thumb Sucker Quick start guide

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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
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D
D
C
J
A
C
K
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N
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U
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J
A
C
K
O
U
T
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J
A
C
K
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Drill Template
125B Enclosure
Attack ReleaseBright
Level ThresholdRatio