DIY TDA7297 Stereo Audio Amplifier ——Desktop Audio
Required Components
Component Value / Model Qty
Power Amplifier IC TDA7297 1
Electrolytic Capacitor 1000µF / 25V (power filter) 2
Capacitor 0.1µF / 50V (decoupling) 2
Resistor 10kΩ (input pull-down) 2
Potentiometer (optional) 10kΩ dual-gang (volume control) 1
Heat Sink For TDA7297 1
Audio Input Jack 3.5mm Stereo or RCA 1
Speaker Output Terminals Screw or Banana Jacks 2 pairs
DC Power Adapter 12V / 2–3A 1
PCB or Perfboard For assembly 1
Tools
Soldering iron & solder
Multimeter
Wire cutters/strippers
Small screwdriver
Heat sink compound
Insulation tape or heat shrink
Optional: enclosure box, drill, glue gun
It really worked.
Required Components
Component Value / Model Qty
Power Amplifier IC TDA7297 1
Electrolytic Capacitor 1000µF / 25V (power filter) 2
Capacitor 0.1µF / 50V (decoupling) 2
Resistor 10kΩ (input pull-down) 2
Potentiometer (optional) 10kΩ dual-gang (volume control) 1
Heat Sink For TDA7297 1
Audio Input Jack 3.5mm Stereo or RCA 1
Speaker Output Terminals Screw or Banana Jacks 2 pairs
DC Power Adapter 12V / 2–3A 1
PCB or Perfboard For assembly 1
Tools
Soldering iron & solder
Multimeter
Wire cutters/strippers
Small screwdriver
Heat sink compound
Insulation tape or heat shrink
Optional: enclosure box, drill, glue gun
It really worked.