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EMVs/RemoteControl - Revision history
2024-03-29T15:47:41Z
Revision history for this page on the wiki
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Francois.corthay: /* Antenna fitting */
2018-12-03T10:26:25Z
<p><span class="autocomment">Antenna fitting</span></p>
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<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 10:26, 3 December 2018</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Antenna fitting =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Antenna fitting =</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">Band </del>ISM 433.05 <del class="diffchange diffchange-inline">à </del>434.79 MHz</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">The system transmits in the Industrial, Scientific and Medical (</ins>ISM<ins class="diffchange diffchange-inline">) Band</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">which is in the range of </ins>433.05 <ins class="diffchange diffchange-inline">to </ins>434.79<ins class="diffchange diffchange-inline">&nbsp;</ins>MHz<ins class="diffchange diffchange-inline">.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">The antenna should be 1/4 the corresponding wavelength with an infinite ground plane.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">As it is not an ideal system, we will measure the antenna characteristics and trim it to the proper length.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">We will use an Agilent E5071C analyser to measure the reflection (s11) of the antenna to its driver.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">In order to do so:</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* remove the jumper between the antenna and the RF chip</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* calibrate the analyser:</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">** select <code>cal -> calibrate -> 1-port cal</code></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">** connect the cylindrical dongle's <code>open</code> port and select <code>open</code></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">** do the same for <code>short</code> and <code>load</code></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">** select <code>done</code></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* connect the BNC cable between the analyser and the emitter board</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">Agilent E5071C</del></div></td><td colspan="2"> </td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>- start : 100 MZ</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>- start : 100 MZ</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>- stop : 800 MHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>- stop : 800 MHz</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>- <del class="diffchange diffchange-inline">cal -> calibrate -> 1-port cal</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>-  </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">  puis -> open / short et load sur le petit boîtier cilyndrique</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">  puid -> Done</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Connecter à la plaque</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Connecter à la plaque</div></td></tr>
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Francois.corthay
https://wiki.hevs.ch/fsi/index.php5?title=EMVs/RemoteControl&diff=2467&oldid=prev
Francois.corthay: /* Antenna fitting */
2018-11-30T11:04:00Z
<p><span class="autocomment">Antenna fitting</span></p>
<table class='diff diff-contentalign-left'>
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<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 11:04, 30 November 2018</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Antenna fitting =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Antenna fitting =</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>433 MHz</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">Band ISM </ins>433<ins class="diffchange diffchange-inline">.05 à 434.79 </ins>MHz</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Agilent E5071C</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Agilent E5071C</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>avec un marker, chercher le trou dans s11</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>avec un marker, chercher le trou dans s11</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>mettre un marqueur à <del class="diffchange diffchange-inline">400 </del>MHz</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>mettre un marqueur à <ins class="diffchange diffchange-inline">433 </ins>MHz</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>arriver à -10dB</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>arriver à -10dB</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">résultat : longueur 18.5 cm (lambda/4 = 17.7 cm)</ins></div></td></tr>
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Francois.corthay
https://wiki.hevs.ch/fsi/index.php5?title=EMVs/RemoteControl&diff=2466&oldid=prev
Francois.corthay: Created page with "... remote control ... = Antenna fitting = 433 MHz Agilent E5071C - start : 100 MZ - stop : 800 MHz - cal -> calibrate -> 1-port cal puis -> open / short et load sur le ..."
2018-11-30T09:35:48Z
<p>Created page with "... remote control ... = Antenna fitting = 433 MHz Agilent E5071C - start : 100 MZ - stop : 800 MHz - cal -> calibrate -> 1-port cal puis -> open / short et load sur le ..."</p>
<p><b>New page</b></p><div>... remote control ...<br />
<br />
= Antenna fitting =<br />
<br />
433 MHz<br />
<br />
Agilent E5071C<br />
<br />
- start : 100 MZ<br />
- stop : 800 MHz<br />
- cal -> calibrate -> 1-port cal<br />
puis -> open / short et load sur le petit boîtier cilyndrique<br />
puid -> Done<br />
<br />
Connecter à la plaque<br />
<br />
avec un marker, chercher le trou dans s11<br />
mettre un marqueur à 400 MHz<br />
<br />
arriver à -10dB</div>
Francois.corthay