Jul 14, 2004 #1 B bear7679 Member level 2 Joined May 18, 2004 Messages 51 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 412 idle tone I have designed a sigma delta DAC. When I use it to hear music, I can hear the idle tone. But I don't know how to get off it. who can help me?
idle tone I have designed a sigma delta DAC. When I use it to hear music, I can hear the idle tone. But I don't know how to get off it. who can help me?
Jul 15, 2004 #2 B bamboo Junior Member level 2 Joined Jun 16, 2004 Messages 24 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 255 idle tones sigma delta You may add the dither circuit in ADC or use multibit modulator if you use one-bit modulator in your ADC. you may get more information in this book : "Delta-Sigma Data Converters: Theory, Designand Simulation"
idle tones sigma delta You may add the dither circuit in ADC or use multibit modulator if you use one-bit modulator in your ADC. you may get more information in this book : "Delta-Sigma Data Converters: Theory, Designand Simulation"
Jul 16, 2004 #3 B bear7679 Member level 2 Joined May 18, 2004 Messages 51 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 412 idle tone sigma delta Dear bamboo: I have read that book, but I don't know which type dither to use and how to choose the amplitude of the dither. Can you tell me about that?
idle tone sigma delta Dear bamboo: I have read that book, but I don't know which type dither to use and how to choose the amplitude of the dither. Can you tell me about that?