pdoubek / Boost-Mute-Tune

Project Information

Description
Clean boost effects pedal with mute/tune mode.
Collaborators

Schematic and PCB Layout

Readme

This project is based on the MXR Microamp circuits floating around the web. I've added True Bypass, a Mute switch that also redirects the signal to an TS output jack for a tuner/signal redirection, and a reduced maximum boost. The boost reduction is to put my desired boost closer to the center of the gain control sweep; I was shooting for something in the 12db to 16db gain.

Bill of Materials

Reference
Description
Manufacturer
Part Number
Package
Verified
Actual Part
Qty
Unit Cost
Order Qty
Total Cost
J3 Generic Mono Jack (Switched) with Chassis Ground Generic Mono Jack (Switched) with Chassis Ground No Digi-key Number 1 ?? 0 0
R3 Generic Resistor (1000) Resistor 11mm Lead Spacing (1000) 11mm Lead Spacing No Digi-key Number 1 ?? 0 0
J1 Black DC Power Jack 2.1mm Misc J-P010 No Digi-key Number 1 ?? 0 0
R8 Generic Resistor (33000) Resistor 11mm Lead Spacing (33000) 11mm Lead Spacing No Digi-key Number 1 ?? 0 0
D3 Generic LED Generic LED No Digi-key Number 1 ?? 0 0
R6 Generic Resistor (470) Resistor 11mm Lead Spacing (470) 11mm Lead Spacing No Digi-key Number 1 ?? 0 0
SW1 Generic General Switch Generic General Switch No Digi-key Number 1 ?? 0 0
R4 Generic Resistor (10000000) Resistor 11mm Lead Spacing (10000000) 11mm Lead Spacing No Digi-key Number 1 ?? 0 0
C3 Capacitor 10 uF electrolytic 50 V Panasonic ECA-1HHG100 Radial P5567-ND 1 0.23 1 0.23
R7 Generic Resistor (10000) Resistor 11mm Lead Spacing (10000) 11mm Lead Spacing No Digi-key Number 1 ?? 0 0
R1, R2 Generic Resistor (100000) Resistor 11mm Lead Spacing (100000) 11mm Lead Spacing No Digi-key Number 2 ?? 0 0
D1 General purpose diode Fairchild Semiconductor 1N4001 DO-41 1N4001FSTR-ND 1 0.17 1 0.17
C5 Ceramic Capacitor TDK TDK FK22 Ceramic Capacitor Through Hole No Digi-key Number 1 ?? 0 0
C4 Ceramic Capacitor TDK TDK FK22 Ceramic Capacitor Through Hole No Digi-key Number 1 ?? 0 0
J4 Generic Mono Jack (Switched) with Chassis Ground Generic Mono Jack (Switched) with Chassis Ground No Digi-key Number 1 ?? 0 0
C2 Generic Electrolytic Capacitor (1e-07F) Generic Electrolytic Capacitor (1e-07F) No Digi-key Number 1 ?? 0 0
B1 Generic Battery Generic Battery No Digi-key Number 1 ?? 0 0
SW2 3PDT Stomp/Foot switch Alpha SF17010F-0302-21R-L No Digi-key Number 1 ?? 0 0
J2 1/4" TRS Jack Switchcraft RA49B12B Through hole SC1535-ND 1 3.46 1 3.46
C1 Generic Electrolytic Capacitor (1e-06F) Generic Electrolytic Capacitor (1e-06F) No Digi-key Number 1 ?? 0 0
R10 Generic Variable Resistor Generic Variable Resistor No Digi-key Number 1 ?? 0 0
R11, R12, R13 Generic Resistor (2200) Resistor 11mm Lead Spacing (2200) 11mm Lead Spacing No Digi-key Number 3 ?? 0 0
SW3 3PDT Stomp/Foot switch Alpha SF17010F-0302-21R-L No Digi-key Number 1 ?? 0 0
R9 Generic Resistor (2700) Resistor 11mm Lead Spacing (2700) 11mm Lead Spacing No Digi-key Number 1 ?? 0 0
D2 Generic LED Generic LED No Digi-key Number 1 ?? 0 0
U1 TL06xx Low-Power JFET-Input Operational Amplifier Texas Instruments TL061CP PDIP8 No Digi-key Number 1 ?? 0 0
R5 Generic Resistor (22000000) Resistor 11mm Lead Spacing (22000000) 11mm Lead Spacing No Digi-key Number 1 ?? 0 0
D4 Generic LED Generic LED No Digi-key Number 1 ?? 0 0

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