PedalPCB Celsius Preamp User manual

Copyright © 2022 - PedalPCB.com Page 1 of 5Celsius Preamp
Celsius Preamp
Revised 12/15/22
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• Level
• High/Low (Toggle Switch)
CONTROLS AND FEATURES

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Celsius Preamp
Celsius Preamp
Parts List (Page 1 of 1)
LOCATION VALUE TYPE NOTES
R1 4K7 Resistor, 1/4W
R2 1K5 Resistor, 1/4W
R3 56K Resistor, 1/4W
R4 330K Resistor, 1/4W
R5 10K Resistor, 1/4W
R6 10K Resistor, 1/4W
R7 680R Resistor, 1/4W
R8 10K Resistor, 1/4W
R9 100K Resistor, 1/4W
R10 470K Resistor, 1/4W
R11 12K Resistor, 1/4W
R12 1K5 Resistor, 1/4W
R13 3K3 Resistor, 1/4W
R14 4K7 Resistor, 1/4W
R100 4K7 Resistor, 1/4W * LED current limiting resistor
C1 1u Electrolytic capacitor, 5mm
C2 1n Film capacitor, 7.2 x 2.5mm
C3 100p Ceramic capacitor
C4 1u Electrolytic capacitor, 5mm
C5 470n Film capacitor, 7.2 x 5.0mm
C6 470n Film capacitor, 7.2 x 5.0mm
C100 47u Electrolytic capacitor, 6.3mm
C101 10u Electrolytic capacitor, 6.3mm
C102 47u Electrolytic capacitor, 6.3mm
D100 1N5817 Schottky diode, DO-41
Q1 2N2222A BJT transistor, NPN TO-18
IC1 TL071 Single op-amp, DIP8
IC100 TC1044SCPA Charge pump IC, DIP8
LEVEL A50K 16mm right-angle PCB mount pot
HIGH/LOW DPDT Toggle switch, DPDT 2-position (ON/ON)

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Celsius Preamp
Celsius Preamp
Schematic Diagram

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Celsius Preamp
Celsius Preamp
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
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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Celsius Preamp
Celsius Preamp
Drill Template
125B Enclosure
Level
Low
High