Difference between revisions of "Audio power amplifier"
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The circuit was constructed after calculating the amplification, upper and lower frequency band, according to the specifications. | The circuit was constructed after calculating the amplification, upper and lower frequency band, according to the specifications. | ||
[[Image: | [[Image:Audio_amplifier_circuit.png|400px]] | ||
== Final == | == Final == | ||
This shows the final circuit, mounted to a flexi-glass plate to balance the enormous heatsink and protect the bottom traces. | This shows the final circuit, mounted to a flexi-glass plate to balance the enormous heatsink and protect the bottom traces. | ||
[[Image: | [[Image:Audio_amplifier_side.jpg|400px]] | ||
[[Image:Audio_amplifier_overview.jpg|400px]] [[Image:Audio_amplification_bottom.jpg|400px]] | [[Image:Audio_amplifier_overview.jpg|400px]] [[Image:Audio_amplification_bottom.jpg|400px]] | ||
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Measuring the input and output signal using a oscilloscope will verify if the circuit is designed correctly, which it turned out to be. | Measuring the input and output signal using a oscilloscope will verify if the circuit is designed correctly, which it turned out to be. | ||
[[Image: | [[Image:Audio_amplifier_oscilloscope.png|400px]] | ||
== Report == | == Report == | ||
* Project report: [http://beta.ivancover.com//electronics/ele103_effektforsterker_for_lyd.pdf Effektforsterker for lyd] (Norwegian) | * Project report: [http://beta.ivancover.com//electronics/ele103_effektforsterker_for_lyd.pdf Effektforsterker for lyd] (Norwegian) | ||
Revision as of 14:09, 14 March 2010
This was a electronics course project, building an audio amplifier based around the LM1875 op-amp.
Circuit
The circuit was constructed after calculating the amplification, upper and lower frequency band, according to the specifications.
Final
This shows the final circuit, mounted to a flexi-glass plate to balance the enormous heatsink and protect the bottom traces.
File:Audio amplification bottom.jpg
Measurements
Measuring the input and output signal using a oscilloscope will verify if the circuit is designed correctly, which it turned out to be.
Report
- Project report: Effektforsterker for lyd (Norwegian)
