PedalPCB Pendulum Tremolo User manual

Copyright © 2021 - PedalPCB.com Page 1 of 5Pendulum Tremolo
Pendulum Tremolo
Revised 12/23/21
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• Rate
• Depth
• Volume
CONTROLS AND FEATURES

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Pendulum Tremolo
Parts List (Page 1 of 1)
LOCATION VALUE TYPE NOTES
R1 1M Resistor, 1/4W
R2 220K Resistor, 1/4W
R3 220K Resistor, 1/4W
R4 1K Resistor, 1/4W
R5 12K Resistor, 1/4W
R6 18K Resistor, 1/4W
R7 1K Resistor, 1/4W
R8 1K Resistor, 1/4W
R9 1K Resistor, 1/4W
R10 10K Resistor, 1/4W
R11 2M7 Resistor, 1/4W
R12 2M7 Resistor, 1/4W
R13 220K Resistor, 1/4W
R14 2K2 Resistor, 1/4W
R15 220K Resistor, 1/4W
R16 4K7 Resistor, 1/4W
R17 100K Resistor, 1/4W
R18 100K Resistor, 1/4W
R19 4K7 Resistor, 1/4W
R25 4K7 Resistor, 1/4W
R100 4K7 Resistor, 1/4W
R101 10K Resistor, 1/4W
R102 10K Resistor, 1/4W
C1 1u Film capacitor, 7.2 x 5.0mm
C2 6n8 Film capacitor, 7.2 x 2.5mm
C3 22n Film capacitor, 7.2 x 2.5mm
C4 1u Film capacitor, 7.2 x 5.0mm
C5 10n Film capacitor, 7.2 x 2.5mm
C6 4u7 Electrolytic capacitor, 5mm
C7 100n Film capacitor, 7.2 x 2.5mm
C100 100u Electrolytic capacitor, 5mm
C101 47u Electrolytic capacitor, 5mm
D1 LED 3mm Red LED, Diused
D2 LED 3mm Red LED, Diused
D3 LED LFO Rate Indicator LED
D100 1N5817 Schottky diode, DO-41
IC1 TL074 Quad op-amp, DIP14
IC2 TL074 Quad op-amp, DIP14
LDR1 LDR Light Dependant Resistor KE-10720 or GL5516
LDR2 LDR Light Dependant Resistor KE-10720 or GL5516
SPEED C50K 16mm right-angle PCB mount pot
VOLUME B100K 16mm right-angle PCB mount pot
DEPTH B10K 16mm right-angle PCB mount pot

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Pendulum Tremolo
Schematic Diagram

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Pendulum Tremolo
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
P
O
T
E
N
T
I
O
M
E
T
E
R
L
E
D
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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Pendulum Tremolo
Drill Template
125B Enclosure
Volume
Rate Depth