EA Tremolo
The EA Tremolo is the most popular tremolo effect in the DIY community. This pedal automatically varies the volume over time, giving a pulsating effect.Steps
Categories
Status: Active
Designators and components Step 2 of 5
COMPONENT LIST
PCB
PCB EA Tremolo PCB
Resistors
R1 1M 1M OHM 1/4W 1% METAL FILM RESISTOR
R2 1M 1M OHM 1/4W 1% METAL FILM RESISTOR
R3 1M 1M OHM 1/4W 1% METAL FILM RESISTOR
R4 10k 10K OHM 1/4W 1% METAL FILM RESISTOR
R5 150k 150K OHM 1/4W 1% METAL FILM RESISTOR
R6 560k 560K OHM 1/4W 1% METAL FILM RESISTOR
R7 1.2k 1.2K OHM 1/4W 1% METAL FILM RESISTOR
R8 180 180 OHM 1/4W 1% METAL FILM RESISTOR
R9 4.7k 4.7K OHM 1/4W 1% METAL FILM RESISTOR
R10 120k 120K OHM 1/4W 1% METAL FILM RESISTOR
R11 10k 10K OHM 1/4W 1% METAL FILM RESISTOR
R12 2.2M 2.2M OHM 1/4W 1% METAL FILM RESISTOR
R13 15k 15K OHM 1/4W 1% METAL FILM RESISTOR
R14 1k 1K OHM 1/4W 1% METAL FILM RESISTOR
R15 68k 68K OHM 1/4W 1% METAL FILM RESISTOR
Capacitors
C1 47n 47NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C2 10u 10UF 50V ELECTROLYTIC CAPACITOR 5X11MM
C3 220n 220NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C5 22u 22UF 50V ELECTROLYTIC CAPACITOR 5X11MM
C6 470n 470NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C7 470n 470NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C8 1u 1UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C9 1u 1UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C10 1u 1UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
Diodes
D1 LED LED 3MM GREEN
Transistors
Q1 2N5457 2N5457 JFET N-CHANNEL TRANSISTOR SMD
Q2 2N3904 2N3904 NPN GENERAL PURPOSE TRANSISTOR
Q3 2N5457 31 2N5457 JFET N-CHANNEL TRANSISTOR SMD
Q4 2N5088 2N5088 GERENAL PURPOSE TRANSISTOR
Potentiometers
DEPTH 250k-B 250k OHM LINEAR TAPER POTENTIOMETER
SPEED 100k-B 100k OHM LINEAR TAPER POTENTIOMETER
VOL 50k-A 50K OHM LOG TAPER POTENTIOMETER (Use potentiometer or trimmer)
VOL 50k 50K TRIMMER (Use potentiometer or trimmer)
PCB Schematic
PCB DH.F1V3
