{"id":131,"date":"2015-01-12T10:51:18","date_gmt":"2015-01-12T09:51:18","guid":{"rendered":"http:\/\/f8dql.radioamateur.org\/?p=131"},"modified":"2017-05-11T13:32:39","modified_gmt":"2017-05-11T11:32:39","slug":"commutateur-dantennes-qro","status":"publish","type":"post","link":"https:\/\/f8dql.radioamateur.org\/index.php\/2015\/01\/12\/commutateur-dantennes-qro\/","title":{"rendered":"Commutateur automatique d&rsquo;antennes QRO"},"content":{"rendered":"<p>Apr\u00e8s avoir utilis\u00e9 pendant des ann\u00e9es un commutateur d&rsquo;antennes Ameritron RCS-4 <a href=\"http:\/\/f8dql.radioamateur.org\/index.php\/2014\/05\/15\/automatisation-ameritron-rcs-4\/\">que j&rsquo;avais automatis\u00e9<\/a>, j&rsquo;ai eu la mauvaise surprise de le retrouver compl\u00e8tement oxyd\u00e9.<\/p>\n<p>C&rsquo;\u00e9tait l&rsquo;occasion (un pr\u00e9texte peut-\u00eatre ?) de me lancer dans la r\u00e9alisation du mon propre commutateur !<\/p>\n<p>La premi\u00e8re premi\u00e8re interrogation est le\u00a0type de relais utiliser. Qu&rsquo;est-ce qui est l\u00e9ger, fiable et qui supporte une forte puissance ? Un relais sous vide !<\/p>\n<p>Ces composants \u00e9tant particuli\u00e8rement on\u00e9reux, j&rsquo;ai suivi le conseil de Patrick F2DX en commandant des NOS Russes \u00e0 $25 \/ pi\u00e8ce port compris, une affaire ! Il s&rsquo;agit de mod\u00e8les B1B, qui passent 3 kV \/ 10 A \u00e0 30 MHz !<\/p>\n<p><a href=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1418571776.jpg\"><img data-attachment-id=\"136\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2015\/01\/12\/commutateur-dantennes-qro\/f1418571776\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1418571776.jpg\" data-orig-size=\"3023,2267\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"f1418571776\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1418571776-300x225.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1418571776-1024x768.jpg\" loading=\"lazy\" class=\"alignnone wp-image-136 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1418571776-1024x768.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1418571776-1024x768.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1418571776-300x225.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1418571776-768x576.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1418571776-360x270.jpg 360w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>Bien que je d\u00e9teste la m\u00e9canique, il a tout de m\u00eame fallu s&rsquo;y mettre pour leur trouver un logement d\u00e9cent. Un bout de t\u00f4le d&rsquo;aluminium 2 mm et un peu de visserie\u00a0:<\/p>\n<p><a href=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421111296.jpg\"><img data-attachment-id=\"137\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2015\/01\/12\/commutateur-dantennes-qro\/f1421111296\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421111296.jpg\" data-orig-size=\"3264,2448\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5s&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1417267075&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;320&quot;,&quot;shutter_speed&quot;:&quot;0.066666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"f1421111296\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421111296-300x225.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421111296-1024x768.jpg\" loading=\"lazy\" class=\"alignnone wp-image-137 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421111296-1024x768.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421111296-1024x768.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421111296-300x225.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421111296-768x576.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421111296-360x270.jpg 360w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421103104.jpg\"><img data-attachment-id=\"138\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2015\/01\/12\/commutateur-dantennes-qro\/f1421103104\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421103104.jpg\" data-orig-size=\"3264,2448\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5s&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1417278915&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.066666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"f1421103104\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421103104-300x225.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421103104-1024x768.jpg\" loading=\"lazy\" class=\"alignnone wp-image-138 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421103104-1024x768.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421103104-1024x768.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421103104-300x225.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421103104-768x576.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421103104-360x270.jpg 360w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312.jpg\"><img data-attachment-id=\"139\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2015\/01\/12\/commutateur-dantennes-qro\/f1421197312\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312.jpg\" data-orig-size=\"3264,2448\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5s&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1417278893&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;320&quot;,&quot;shutter_speed&quot;:&quot;0.066666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"f1421197312\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312-300x225.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312-1024x768.jpg\" loading=\"lazy\" class=\"alignnone wp-image-139 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312-1024x768.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312-1024x768.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312-300x225.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312-768x576.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312-360x270.jpg 360w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421082624.jpg\"><img data-attachment-id=\"140\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2015\/01\/12\/commutateur-dantennes-qro\/f1421082624\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421082624-e1494323840485.jpg\" data-orig-size=\"3264,2448\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5s&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1417281015&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;320&quot;,&quot;shutter_speed&quot;:&quot;0.041666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;3&quot;}\" data-image-title=\"f1421082624\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421082624-e1494323840485-300x225.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421082624-e1494323840485-1024x768.jpg\" loading=\"lazy\" class=\"alignnone wp-image-140 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421082624-e1494323840485-1024x768.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421082624-e1494323840485-1024x768.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421082624-e1494323840485-300x225.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421082624-e1494323840485-768x576.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421082624-e1494323840485-360x270.jpg 360w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>Un grand merci \u00e0 Patrick F2DX, pour tous les per\u00e7ages effectu\u00e9s dans le coffret alu.<\/p>\n<p>Pour ce qui concerne la logique de contr\u00f4le, j&rsquo;ai repris le principe du <a href=\"http:\/\/f8dql.radioamateur.org\/index.php\/2014\/05\/15\/automatisation-ameritron-rcs-4\/\">commutateur RCS-4 automatis\u00e9<\/a>\u00a0mais j&rsquo;ai remplac\u00e9 le commutateur rotatif par des boutons pression, et ai ajout\u00e9 un petit afficheur LCD 8&#215;2.<\/p>\n<p>Encore une fois, la logique est confi\u00e9e \u00e0 un Arduino qui lit les informations BAND DATA du TRX et agit en cons\u00e9quence.<\/p>\n<p>Le boitier contient \u00e9galement une alimentation 26 V avec r\u00e9gulateur \u00e0 d\u00e9coupage (LM2575T) pour les relais B1B, non repr\u00e9sent\u00e9e sur le sch\u00e9ma.<\/p>\n<p><a href=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b.jpg\"><img data-attachment-id=\"141\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2015\/01\/12\/commutateur-dantennes-qro\/commut_b1b\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b.jpg\" data-orig-size=\"1658,676\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"commut_b1b\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b-300x122.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b-1024x418.jpg\" loading=\"lazy\" class=\"alignnone wp-image-141 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b-1024x418.jpg\" alt=\"\" width=\"640\" height=\"261\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b-1024x418.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b-300x122.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b-768x313.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b-604x246.jpg 604w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/commut_b1b.jpg 1658w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>Et voici le r\u00e9sultat une fois mise en boite :<\/p>\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/8lR5aNFJ5Bw\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Et le pire, c&rsquo;est que \u00e7a marche. \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s avoir utilis\u00e9 pendant des ann\u00e9es un commutateur d&rsquo;antennes Ameritron RCS-4 que j&rsquo;avais automatis\u00e9, j&rsquo;ai eu la mauvaise surprise de le retrouver compl\u00e8tement oxyd\u00e9. C&rsquo;\u00e9tait l&rsquo;occasion (un pr\u00e9texte peut-\u00eatre ?) de me lancer dans la r\u00e9alisation du mon propre commutateur ! La premi\u00e8re premi\u00e8re interrogation est le\u00a0type de relais utiliser. Qu&rsquo;est-ce qui est l\u00e9ger, fiable\u2026 <span class=\"read-more\"><a href=\"https:\/\/f8dql.radioamateur.org\/index.php\/2015\/01\/12\/commutateur-dantennes-qro\/\">Lire la suite &raquo;<\/a><\/span><\/p>\n","protected":false},"author":2,"featured_media":139,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sharing_disabled":false,"spay_email":"","jetpack_publicize_message":""},"categories":[6],"tags":[11,28,19,26,27],"jetpack_featured_media_url":"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2015\/01\/f1421197312.jpg","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p8GcED-27","jetpack-related-posts":[{"id":109,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2014\/05\/15\/automatisation-ameritron-rcs-4\/","url_meta":{"origin":131,"position":0},"title":"Automatisation Ameritron RCS-4","date":"15 mai 2014","format":false,"excerpt":"Comme beaucoup, j'utilise un commutateur d'antennes \u00e0 distance pour r\u00e9duire le nombre de coax allant vers le toit de mon immeuble. Mon choix s'est port\u00e9 sur le Ameritron RCS-4 qui a l'avantage d'\u00eatre aliment\u00e9 au travers du coaxial. Un seul coax me permet ainsi d'utiliser aux choix : Une directive\u2026","rel":"nofollow","context":"In \u201cRadio\u201d","img":{"src":"https:\/\/i1.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2014\/05\/f1608803328-e1494314682839.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":275,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/05\/11\/la-boiboite\/","url_meta":{"origin":131,"position":1},"title":"La boiboite","date":"11 mai 2017","format":false,"excerpt":"Apr\u00e8s avoir parcouru toute la litt\u00e9rature radio dont je dispose, je n'ai pas r\u00e9ussi \u00e0 trouver de meilleur terme que \"boiboite\" pour d\u00e9crire ceci. Regardons de plus pr\u00e8s la d\u00e9finition : Boiboite (n. f.) : Du latin (bu)buxida, boite dans laquelle on place tout ce que l'on n'a pas envie\u2026","rel":"nofollow","context":"In \u201cRadio\u201d","img":{"src":"https:\/\/i0.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2961.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":120,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2014\/11\/13\/power-display-affichage-de-la-puissance-sur-ftdx-5000\/","url_meta":{"origin":131,"position":2},"title":"Power display, affichage de la puissance sur FTDX-5000","date":"13 novembre 2014","format":false,"excerpt":"J'utilise \u00e0 la station un Yaesu FTDX-5000, que j'appr\u00e9cie beaucoup, mais il souffre toutefois de deux inconv\u00e9nients majeurs : L'indicateur Split est trop discret (qui n'a pas un jour \u00e9mis sur la fr\u00e9quence du DX par erreur ?) L'affichage de la puissance n'intervient que lorsque l'on modifie celle-ci. En fonctionnement\u2026","rel":"nofollow","context":"In \u201cRadio\u201d","img":{"src":"https:\/\/i2.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2014\/11\/IMG_2859-e1494317534954.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":91,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2016\/06\/07\/penible-de-debrancher-et-rebrancher-des-cables\/","url_meta":{"origin":131,"position":3},"title":"P\u00e9nible de d\u00e9brancher et rebrancher des c\u00e2bles...","date":"7 juin 2016","format":false,"excerpt":"Lass\u00e9 d'avoir \u00e0 d\u00e9brancher et rebrancher le cordon parall\u00e8le entre la CNC et les deux cartes Arduino (CNC ou imprimante 3D), une petite modif s'imposait. Apr\u00e8s avoir achet\u00e9 pour une bouch\u00e9e de pain un commutateur pour port parall\u00e8le, j'ai r\u00e9cup\u00e9r\u00e9 le commutateur pour cr\u00e9er ce plat de spaghettis : C'est\u2026","rel":"nofollow","context":"In \u201cCNC\u201d","img":{"src":"https:\/\/i2.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2946.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":326,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/05\/17\/automatisation-rotor-yaesu-g-450c\/","url_meta":{"origin":131,"position":4},"title":"Automatisation Rotor Yaesu G-450C","date":"17 mai 2017","format":false,"excerpt":"Encore une\u00a0automatisation de la station. Si \u00e7a continue comme \u00e7a, je vais finir par regarder mon transceiver faire les contacts tout seul. :) Tous ceux qui disposent d'un rotor \u00a0pour orienter leurs antennes auront remarqu\u00e9 qu'attendre patiemment qu'il atteigne sa position en pressant un bouton n'est pas l'activit\u00e9 la plus\u2026","rel":"nofollow","context":"In \u201cRadio\u201d","img":{"src":"https:\/\/i2.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2974.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":354,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/05\/23\/sspa-amplificateur-hf-a-ldmos-7\/","url_meta":{"origin":131,"position":5},"title":"SSPA \u2013 Amplificateur HF \u00e0 LDMOS 7","date":"23 mai 2017","format":false,"excerpt":"En attendant de r\u00e9gler les probl\u00e8mes de filtres avec le constructeur qui s'est absent\u00e9 quelques jours, j'ai peaufin\u00e9 la mise en boite de l'ensemble le week-end dernier. Vue de dessous, la place est compt\u00e9e... C\u00f4t\u00e9 droit, avec la palette LDMOS sur la droite, et le circuit de protection d'entr\u00e9e HF\u2026","rel":"nofollow","context":"In \u201cRadio\u201d","img":{"src":"https:\/\/i2.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2997.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/posts\/131"}],"collection":[{"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/comments?post=131"}],"version-history":[{"count":11,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/posts\/131\/revisions"}],"predecessor-version":[{"id":293,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/posts\/131\/revisions\/293"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/media\/139"}],"wp:attachment":[{"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/media?parent=131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/categories?post=131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/tags?post=131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}