https://community.nxp.com/t5/Digital-Signal-Controllers/MC145170-2-tech-data-on-ref-in-ac-signal-spec/m-p/1538390#M2618 <P>So not a single support engineer who would have an idea? Is there a replacement?</P> Mon, 17 Oct 2022 07:56:23 GMT Rob_GW8RDI 2022-10-17T07:56:23Z https://community.nxp.com/t5/Digital-Signal-Controllers/MC145170-2-tech-data-on-ref-in-ac-signal-spec/m-p/1537845#M2616 <P>Anyone know how to find the rin signal spec when ac coupled? It doesn't seem to be in the data sheet, which only mentions that DC coupled should be vcc-vdd.</P> Fri, 14 Oct 2022 12:01:54 GMT https://community.nxp.com/t5/Digital-Signal-Controllers/MC145170-2-tech-data-on-ref-in-ac-signal-spec/m-p/1537845#M2616 Rob_GW8RDI 2022-10-14T12:01:54Z https://community.nxp.com/t5/Digital-Signal-Controllers/MC145170-2-tech-data-on-ref-in-ac-signal-spec/m-p/1538186#M2617 <P>This is an old product which difficult to confirm the spec again.</P> <P>&nbsp;</P> Mon, 17 Oct 2022 02:01:51 GMT https://community.nxp.com/t5/Digital-Signal-Controllers/MC145170-2-tech-data-on-ref-in-ac-signal-spec/m-p/1538186#M2617 guoweisun 2022-10-17T02:01:51Z https://community.nxp.com/t5/Digital-Signal-Controllers/MC145170-2-tech-data-on-ref-in-ac-signal-spec/m-p/1538390#M2618 <P>So not a single support engineer who would have an idea? Is there a replacement?</P> Mon, 17 Oct 2022 07:56:23 GMT https://community.nxp.com/t5/Digital-Signal-Controllers/MC145170-2-tech-data-on-ref-in-ac-signal-spec/m-p/1538390#M2618 Rob_GW8RDI 2022-10-17T07:56:23Z