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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The input can be grounded via J24: When does it need to be
grounded/not grounded?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The input can be terminated into 50 ohms via J22: when does
it need to be terminated/not terminated?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>When not terminated the input resistance is something like
2.2 kohms.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The voltage at J20 must not be more than 3.3V but Q3 and Q4
are powered by 5V via 100 ohms: what is the maximum voltage allowed on the
external input in order to have 3.3V at J20?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>If I get this OCXO<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><a
href="http://www.ebay.com/itm/NEW-MTI-Crystal-Oscillator-10MHz-OCXO-Telecom-Stratum3-1ppb-day-atomic-clock-/270998646224?pt=LH_DefaultDomain_0&hash=item3f18c72dd0#shId"
title="blocked::http://www.ebay.com/itm/NEW-MTI-Crystal-Oscillator-10MHz-OCXO-Telecom-Stratum3-1ppb-day-atomic-clock-/270998646224?pt=LH_DefaultDomain_0&hash=item3f18c72dd0#shId">http://www.ebay.com/itm/NEW-MTI-Crystal-Oscillator-10MHz-OCXO-Telecom-Stratum3-1ppb-day-atomic-clock-/270998646224?pt=LH_DefaultDomain_0&hash=item3f18c72dd0#shId</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>which puts a 9dBm sine wave into ??? ohms it would give 0.6V (may be)
if the external input is terminated into 50 ohms or 4V (may be) if the external
input is not terminated into 50 ohms.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>How would you use this OCXO on Hermes?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Thanks and </span></font><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>73 de PJ2BVU Jean-Claude</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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