Dilshan Jayakody
Published © CERN-OHL2

5.1 channel preamplifier

Digitally controlled 5.1 channel audio preamplifier system to increase the gain of the multi-channel PC sound cards.

IntermediateFull instructions provided5 hours251
5.1 channel preamplifier

Things used in this project

Hardware components

Microchip PIC16F886-I/SO
×1
PT2258
×1
Texas Instruments TL074
×2
Texas Instruments TL072
×2
Linear Regulator with Adjustable Output
Linear Regulator with Adjustable Output
×1
Texas Instruments LM337
×1
Linear Regulator (7805)
Linear Regulator (7805)
×1
NXP BC817
×1
NXP BSS138
×2
W04G
×1
Standard LCD - 16x2 White on Blue
Adafruit Standard LCD - 16x2 White on Blue
×1
Rotary Encoder with Push-Button
Rotary Encoder with Push-Button
×1
PICkit 3 In-circuit Debugger
Digilent PICkit 3 In-circuit Debugger
×1

Software apps and online services

MPLAB X IDE
Microchip MPLAB X IDE

Story

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Schematics

Schematic of the 5.1 channel preamplifier

Code

GitHub repository of the 5.1 channel preamplifier

Credits

Dilshan Jayakody

Dilshan Jayakody

21 projects • 21 followers
Hello, I'm an embedded systems engineer, amateur radio operator and amateur astronomer.

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