Difference between revisions of "Audio power amplifier"

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[[Image:Audio_amplifier_overview.jpg|400px]] [[Image:Audio_amplification_bottom.jpg|400px]]
[[Image:Audio_amplifier_overview.jpg|400px]] [[Image:Audio_amplification_bottom.jpg|400px]]
== Measurements ==
Measuring the input and output signal using a oscilloscope will verify if the circuit is designed correctly, which it turned out to be.
[[Image:Audio_amplfifier_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 13:07, 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.

File:Audio amplfifier circuit.png

Final

This shows the final circuit, mounted to a flexi-glass plate to balance the enormous heatsink and protect the bottom traces.

File:Audio amplfifier side.jpg

Audio amplifier overview.jpg 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.

File:Audio amplfifier oscilloscope.png

Report