topic MQS Audio Output RC filter reference in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/MQS-Audio-Output-RC-filter-reference/m-p/664993#M102223 <HTML><HEAD></HEAD><BODY><P>Dear all, someone can recommend an MQS PWM output Filter Stage between SoC and Amplifier?<BR /><BR />King Regards!</P><P></P><P></P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="MQS.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/15100iFDF6274E7B59A5AC/image-size/large?v=v2&amp;px=999" role="button" title="MQS.png" alt="MQS.png" /></span></P></BODY></HTML> Fri, 24 Feb 2017 13:33:20 GMT nachodiz 2017-02-24T13:33:20Z MQS Audio Output RC filter reference https://community.nxp.com/t5/i-MX-Processors/MQS-Audio-Output-RC-filter-reference/m-p/664993#M102223 <HTML><HEAD></HEAD><BODY><P>Dear all, someone can recommend an MQS PWM output Filter Stage between SoC and Amplifier?<BR /><BR />King Regards!</P><P></P><P></P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="MQS.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/15100iFDF6274E7B59A5AC/image-size/large?v=v2&amp;px=999" role="button" title="MQS.png" alt="MQS.png" /></span></P></BODY></HTML> Fri, 24 Feb 2017 13:33:20 GMT https://community.nxp.com/t5/i-MX-Processors/MQS-Audio-Output-RC-filter-reference/m-p/664993#M102223 nachodiz 2017-02-24T13:33:20Z Re: MQS Audio Output RC filter reference https://community.nxp.com/t5/i-MX-Processors/MQS-Audio-Output-RC-filter-reference/m-p/664994#M102224 <HTML><HEAD></HEAD><BODY><P>Hi Nacho</P><P></P><P>please check</P><P><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Felectronics.stackexchange.com%2Fquestions%2F34843%2Fhow-determine-the-rc-time-constant-in-pwm-digital-to-analog-low-pass-filter" rel="nofollow" target="_blank">http://electronics.stackexchange.com/questions/34843/how-determine-the-rc-time-constant-in-pwm-digital-to-analog-low-pass-filter</A><BR />or ti SPRAA88A.</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 24 Feb 2017 23:27:08 GMT https://community.nxp.com/t5/i-MX-Processors/MQS-Audio-Output-RC-filter-reference/m-p/664994#M102224 igorpadykov 2017-02-24T23:27:08Z Re: MQS Audio Output RC filter reference https://community.nxp.com/t5/i-MX-Processors/MQS-Audio-Output-RC-filter-reference/m-p/664995#M102225 <HTML><HEAD></HEAD><BODY><P>IThank you Igor, I supose i have to place an rc low pass followed by a voltage divider to sett gain and then a couplig capacitor followed by a just in case zero ohm resistor</P></BODY></HTML> Fri, 24 Feb 2017 23:32:26 GMT https://community.nxp.com/t5/i-MX-Processors/MQS-Audio-Output-RC-filter-reference/m-p/664995#M102225 nachodiz 2017-02-24T23:32:26Z Re: MQS Audio Output RC filter reference https://community.nxp.com/t5/i-MX-Processors/MQS-Audio-Output-RC-filter-reference/m-p/664996#M102226 <HTML><HEAD></HEAD><BODY><P>This is my final design solution</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/14004iFD26E98117AA8971/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P></BODY></HTML> Sun, 26 Feb 2017 21:23:18 GMT https://community.nxp.com/t5/i-MX-Processors/MQS-Audio-Output-RC-filter-reference/m-p/664996#M102226 nachodiz 2017-02-26T21:23:18Z