<html><body><font face="Helvetica">Ooooooh. <wink><br><br>Sent from XFINITY Connect Mobile App<br><br><br>------ Original Message ------<br><br>From: Neil Johnson<br>To: Ian Fritz<br>Cc: SDIY List, Tom Wiltshire, Tim Ressel<br>Sent: August 26, 2017 at 1:59 AM<br>Subject: Re: [sdiy] 2164 outputs<br><br>Ian, <br><br>Why can't you just reverse the inputs?<br><br>There's only one current input so you can't reverse it. You may be thinking of the LM13700 or CA3080 which has an op-amp front end.<br><br>Neil<br><br><br><br></font></body></html>