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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Because they use a digital processor,
rather than an analog processor, in the electronics. This allows easy tailoring
of the control system parameters even to the extent of different performing
servos to have the same hardware inside.</span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Is this too much information?</span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

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<p><b><i><font size=4 color=navy face="Brush Script MT"><span style='font-size:
13.5pt;font-family:"Brush Script MT";color:navy;font-weight:bold;font-style:
italic'>Jay Marshall</span></font></i></b><font color=navy><span
style='color:navy'> </span></font></p>

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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Vicente &quot;Vince&quot; Bortone<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>June 23, 2009</span></font><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>8:03 AM</span></font><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'><br>
<b><span style='font-weight:bold'>To:</span></b> </span></font><font size=2
 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>General pattern
 discussion</span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion]
Servo Signals</span></font></p>

<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>&nbsp;</span></font></p>

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<p style='margin-left:.5in'><font size=3 color=black face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:black'>Jim,</span></font></p>

<p style='margin-left:.5in'><font size=3 color=black face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:black'>&nbsp;</span></font></p>

<p style='margin-left:.5in'><font size=3 color=black face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:black'>I don't know anything
about electronics.&nbsp; I am sure that the following question if very simple
for you:&nbsp; Why the digital servos are called digital?</span></font></p>

<p style='margin-left:.5in'><font size=3 color=black face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:black'>&nbsp;</span></font></p>

<p style='margin-left:.5in'><font size=3 color=black face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:black'>Thanks,</span></font></p>

<p style='margin-left:.5in'><font size=3 color=black face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:black'>&nbsp;</span></font></p>

<p style='margin-left:.5in'><font size=3 color=black face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:black'>Vicente
&quot;Vince&quot; Bortone</span></font></p>

<p style='margin-left:.5in'><font size=3 color=black face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:black'>&nbsp;</span></font></p>

<p style='margin-left:.5in'><font size=3 color=black face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:black'><br>
----- Original Message -----<br>
From: &quot;James Oddino&quot; &lt;joddino@socal.rr.com&gt;<br>
To: &quot;General pattern discussion&quot;
&lt;nsrca-discussion@lists.nsrca.org&gt;<br>
Sent: Tuesday, June 23, 2009 12:12:23 AM GMT -06:00 US/Canada Central<br>
Subject: Re: [NSRCA-discussion] Servo Signals<br>
<br>
What do they say in the Capital 1 commercials, not literally?
&nbsp;Transmitters communicate with receivers digitally in PCM mode and analog
in PPM mode. &nbsp;Receivers communicate with servos analogy (?) with PWM.
&nbsp;The servos are analog.</span></font></p>

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<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>&nbsp;</span></font></p>

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<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>Jim O</span></font></p>

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<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>&nbsp;</span></font></p>

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<div>

<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>&nbsp;</span></font></p>

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<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>On Jun
20, 2009, at 7:23 PM, Bob Richards wrote:</span></font></p>

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<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>

<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>&nbsp;</span></font></p>

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<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=960
 style='width:8.0in;margin-left:.5in'>
 <tr>
  <td valign=top style='padding:0in 0in 0in 0in'>
  <p class=MsoNormal><font size=3 face="Times New Roman"><span
  style='font-size:12.0pt'><span style='orphans: 2;widows: 2;webkit-border-horizontal-spacing: 0px;
  webkit-border-vertical-spacing: 0px;webkit-text-decorations-in-effect: none;
  webkit-text-size-adjust: auto;webkit-text-stroke-width: 0px;word-spacing:
  0px'>--- On<span class=apple-converted-space>&nbsp;</span><b><span
  style='font-weight:bold'>Sat, 6/20/09, Richard Lewis<span
  class=apple-converted-space>&nbsp;</span><i><span style='font-style:italic'>&lt;<a
  href="mailto:humptybump@sbcglobal.net" target="_blank">humptybump@sbcglobal.net</a>&gt;</span></i></span></b><span
  class=apple-converted-space>&nbsp;</span>wrote:</span></font></p>
  <p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
  face="Times New Roman"><span style='font-size:12.0pt'>&nbsp;</span></font></p>
  <div>
  <div>
  <p class=MsoNormal><font size=3 face="Times New Roman"><span
  style='font-size:12.0pt'>And....Interestingly enough.....It does not matter
  what kind of fancy whopping digital super latest and greatest TX/RX system
  you have, the signals to the servos are still firmly rooted in good old
  1970's technology....:)&nbsp; And...Your super whopper digital brushless
  whatever servo still has an analog pot for position feedback....:)</span></font></p>
  </div>
  <div>
  <p class=MsoNormal><font size=3 face="Times New Roman"><span
  style='font-size:12.0pt'>&nbsp;</span></font></p>
  </div>
  <div>
  <p class=MsoNormal><font size=3 face="Times New Roman"><span
  style='font-size:12.0pt'>I for one am eager to see a leap in servo
  technology.....Bidirectional serial&nbsp;comms to the servos with the servo
  being able to feed back torque, amps, position, rate, etc.....and
  encoder/resolver position feedback in the servos to really&nbsp;catch up with
  the world we live&nbsp;in......</span></font></p>
  </div>
  <div>
  <p class=MsoNormal><font size=3 face="Times New Roman"><span
  style='font-size:12.0pt'>&nbsp;</span></font></p>
  </div>
  </div>
  <div>
  <p class=MsoNormal><font size=3 face="Times New Roman"><span
  style='font-size:12.0pt'>Amen to that. We have digital servos
  and&nbsp;digital receivers, yet they talk to each other via an analog method
  and use analog feedback.</span></font></p>
  </div>
  <div>
  <p class=MsoNormal><font size=3 face="Times New Roman"><span
  style='font-size:12.0pt'>&nbsp;</span></font></p>
  </div>
  </td>
 </tr>
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<p class=MsoNormal style='margin-left:.5in'><font size=4 color=black
face=Helvetica><span style='font-size:13.5pt;font-family:Helvetica;color:black'>_______________________________________________<br>
NSRCA-discussion mailing list<br>
<a href="mailto:NSRCA-discussion@lists.nsrca.org" target="_blank">NSRCA-discussion@lists.nsrca.org</a><br>
<a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion"
target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a></span></font></p>

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</blockquote>

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</span>

<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>&nbsp;</span></font></p>

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<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'><br>
_______________________________________________ NSRCA-discussion mailing list
NSRCA-discussion@lists.nsrca.org
http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</span></font></p>

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