<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Greg,<div><br></div><div>Assuming the production SMT version is like the original through-hole version, the TX OUT pin is AC coupled. There is a 10 uF non-polarized capacitor and 33 ohm resistor between the output op amp and the interface connector.</div><div><br></div><div><br></div><div>73,</div><div>Greg</div><div>WB6ZSU</div><div><br></div><div><br><div><div>On Jan 2, 2014, at 5:11 PM, KJ6KO <<a href="mailto:kj6ko@innercite.com">kj6ko@innercite.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div bgcolor="#ffffff" style="font-family: Verdana; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div><font size="2" face="Arial">Is the TX OUT audio on a RTCM AC coupled or do I need to install a coupling cap on it to connect to an audio input that has DC on it (MOTO)?</font></div><div><font size="2" face="Arial"></font> </div><div><font size="2" face="Arial">Thanks....Greg</font></div><br><br>__________ Information from ESET NOD32 Antivirus, version of virus signature database 9244 (20140102) __________<br><br>The message was checked by ESET NOD32 Antivirus.<br><br><a href="http://www.eset.com/">http://www.eset.com</a><br>_______________________________________________<br>App_rpt-users mailing list<br><a href="mailto:App_rpt-users@ohnosec.org">App_rpt-users@ohnosec.org</a><br><a href="http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users">http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users</a><br></div></blockquote></div><br></div></body></html>