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- Fri May 20, 2016 4:35 am
- Forum: Antennas
- Topic: Suitable Low Noise Amplifier
- Replies: 9
- Views: 18935
Hello everyone Im using a class D amp from Sparkfun through which I want to play some audio files. I have a RC filter with 10kohms r and 30 nF cap. From the output of the amplifier I hear a very noisy sound. I hear the audio but with it is a lot of high frequency sound. How do I reduce the noise? Wh...