{"id":177,"date":"2017-04-30T20:51:40","date_gmt":"2017-04-30T18:51:40","guid":{"rendered":"http:\/\/f8dql.radioamateur.org\/?p=177"},"modified":"2017-05-10T17:25:52","modified_gmt":"2017-05-10T15:25:52","slug":"sspa-amplificateur-hf-a-ldmos-4","status":"publish","type":"post","link":"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/30\/sspa-amplificateur-hf-a-ldmos-4\/","title":{"rendered":"SSPA &#8211; Amplificateur HF \u00e0 LDMOS 4"},"content":{"rendered":"<p>Le kit \u00e9tant livr\u00e9 avec un Wattm\u00e8tre ROSm\u00e8tre LCD 16&#215;2 (vert, que je n&rsquo;aime pas alors je l&rsquo;ai remplac\u00e9 par un bleu), et souhaitant ajouter un afficheur OLED pr\u00e9sentant les informations issues de l&rsquo;alimentation, il a fallu trouver un moyen de les fixer proprement en face avant.<\/p>\n<p>Le plus simple, et le plus esth\u00e9tique, \u00e9tait\u00a0d\u2019utiliser l&#8217;emplacement 5&Prime;1\/4 en face avant du boitier de mini-PC. Histoire de donner un look \u00ab\u00a0aussi pro que possible\u00a0\u00bb, j&rsquo;ai usin\u00e9 une nouvelle face avant dans une plaque de carbone d&rsquo;\u00e9paisseur 1 mm gr\u00e2ce \u00e0 ma <a href=\"http:\/\/f8dql.radioamateur.org\/index.php\/2015\/05\/05\/cnc-de-salon\/\">CNC<\/a>.<\/p>\n<p><img data-attachment-id=\"183\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/30\/sspa-amplificateur-hf-a-ldmos-4\/2017-04-18-23-14-25\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-18-23.14.25.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;1492557265&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;160&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"2017-04-18 23.14.25\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-18-23.14.25-300x225.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-18-23.14.25-1024x768.jpg\" loading=\"lazy\" class=\"alignnone wp-image-183 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-18-23.14.25-1024x768.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-18-23.14.25-1024x768.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-18-23.14.25-300x225.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-18-23.14.25-768x576.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-18-23.14.25-360x270.jpg 360w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>C\u00f4t\u00e9 arri\u00e8re de la face avant (vous suivez ?), un morceau de circuit imprim\u00e9 permet de pr\u00e9server la rigidit\u00e9 de l&rsquo;ensemble et de fixer l&rsquo;\u00e9lectronique de contr\u00f4le.<\/p>\n<p><img data-attachment-id=\"185\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/30\/sspa-amplificateur-hf-a-ldmos-4\/2017-05-06-18-52-53-2\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-05-06-18.52.53-1.jpg\" data-orig-size=\"3081,1881\" 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;1494096773&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"2017-05-06 18.52.53\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-05-06-18.52.53-1-300x183.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-05-06-18.52.53-1-1024x625.jpg\" loading=\"lazy\" class=\"alignnone wp-image-185 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-05-06-18.52.53-1-1024x625.jpg\" alt=\"\" width=\"640\" height=\"391\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-05-06-18.52.53-1-1024x625.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-05-06-18.52.53-1-300x183.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-05-06-18.52.53-1-768x469.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-05-06-18.52.53-1-442x270.jpg 442w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Quitte \u00e0 graver des circuits imprim\u00e9s, autant en profiter pour r\u00e9aliser ces montages pour plus tard :<\/p>\n<ul>\n<li>Bandeau de LEDs des circuits de protection<\/li>\n<li>Bandeau de LED des bandes<\/li>\n<li>Alimentation du ventilateur principal contr\u00f4l\u00e9 en temp\u00e9rature (PWM)<\/li>\n<li>D\u00e9codeur de bandes\u00a0pour la s\u00e9lection des filtres, r\u00e9alis\u00e9 \u00e0 l&rsquo;aide d&rsquo;un Arduino Pro Mini<\/li>\n<\/ul>\n<p><img data-attachment-id=\"186\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/30\/sspa-amplificateur-hf-a-ldmos-4\/2017-04-14-19-15-33\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-14-19.15.33.jpg\" data-orig-size=\"659,1107\" 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;1492197333&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;32&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"2017-04-14 19.15.33\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-14-19.15.33-179x300.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-14-19.15.33-610x1024.jpg\" loading=\"lazy\" class=\"alignnone wp-image-186 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-14-19.15.33-610x1024.jpg\" alt=\"\" width=\"610\" height=\"1024\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-14-19.15.33-610x1024.jpg 610w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-14-19.15.33-179x300.jpg 179w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-14-19.15.33-161x270.jpg 161w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-14-19.15.33.jpg 659w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/p>\n<p>Et voici le r\u00e9sultat :<\/p>\n<p><img data-attachment-id=\"187\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/30\/sspa-amplificateur-hf-a-ldmos-4\/img_2944\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944.jpg\" data-orig-size=\"1224,1037\" 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;1494172737&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;0.05&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_2944\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944-300x254.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944-1024x868.jpg\" loading=\"lazy\" class=\"alignnone wp-image-187 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944-1024x868.jpg\" alt=\"\" width=\"640\" height=\"543\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944-1024x868.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944-300x254.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944-768x651.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944-319x270.jpg 319w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944.jpg 1224w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>En face arri\u00e8re j&rsquo;avais d\u00fb d\u00e9couper quasiment tout le boitier. En effet, celui-ci \u00e9tait pour rappel destin\u00e9 \u00e0 accueillir des cartes d&rsquo;extension PC et une alimentation ATX, \u00e7a ne convenait pas du tout.<\/p>\n<p>J&rsquo;ai donc dessin\u00e9 les plans d&rsquo;une face arri\u00e8re, ressorti la <a href=\"http:\/\/f8dql.radioamateur.org\/index.php\/2015\/05\/05\/cnc-de-salon\/\">CNC<\/a>\u00a0(et l&rsquo;aspirateur !) puis l&rsquo;ai usin\u00e9e dans de la t\u00f4le d&rsquo;aluminium de 2 mm.<\/p>\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/XVkbK-ceFqs\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>La broche n&rsquo;est pas tr\u00e8s puissante, alors \u00e7a ne va pas bien vite.<\/p>\n<p>Dix passes de 0.2 mm \u00e0 15 mm\/s avec une fraise de 3 mm \u00e0 12.000 tour\/min, le r\u00e9sultat final est plus que satisfaisant :<\/p>\n<p><img data-attachment-id=\"188\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/30\/sspa-amplificateur-hf-a-ldmos-4\/2017-04-30-11-42-13\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-11.42.13.jpg\" data-orig-size=\"2633,2081\" 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;1493552533&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;64&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"2017-04-30 11.42.13\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-11.42.13-300x237.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-11.42.13-1024x809.jpg\" loading=\"lazy\" class=\"alignnone wp-image-188 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-11.42.13-1024x809.jpg\" alt=\"\" width=\"640\" height=\"506\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-11.42.13-1024x809.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-11.42.13-300x237.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-11.42.13-768x607.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-11.42.13-342x270.jpg 342w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Et voici le r\u00e9sultat :<\/p>\n<p><img data-attachment-id=\"189\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/30\/sspa-amplificateur-hf-a-ldmos-4\/2017-04-30-15-14-08\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-15.14.08.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;1493565248&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"2017-04-30 15.14.08\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-15.14.08-300x225.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-15.14.08-1024x768.jpg\" loading=\"lazy\" class=\"alignnone wp-image-189 size-large\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-15.14.08-1024x768.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-15.14.08-1024x768.jpg 1024w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-15.14.08-300x225.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-15.14.08-768x576.jpg 768w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/2017-04-30-15.14.08-360x270.jpg 360w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><b>B\u00eatisier<\/b><\/p>\n<p>Et oui, il fallait bien faire au moins une conn&#8230; b\u00eatise !<\/p>\n<p>Lors de la d\u00e9coupe avec la CNC de la face avant pour y placer les deux interrupteurs (alimentation g\u00e9n\u00e9rale et standby), je l&rsquo;avais mal fix\u00e9e. Tout s&rsquo;est bien pass\u00e9 pour la premi\u00e8re d\u00e9coupe, mais pour la seconde la broche a entra\u00een\u00e9 la pi\u00e8ce en plastique&#8230;<\/p>\n<p><img data-attachment-id=\"207\" data-permalink=\"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/30\/sspa-amplificateur-hf-a-ldmos-4\/img_2944-2\/\" data-orig-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/04\/IMG_2944.jpg\" data-orig-size=\"671,492\" 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;1494172737&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;0.05&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_2944\" data-image-description=\"\" data-medium-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/04\/IMG_2944-300x220.jpg\" data-large-file=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/04\/IMG_2944.jpg\" loading=\"lazy\" class=\"alignnone wp-image-207 size-full\" src=\"http:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/04\/IMG_2944.jpg\" alt=\"\" width=\"671\" height=\"492\" srcset=\"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/04\/IMG_2944.jpg 671w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/04\/IMG_2944-300x220.jpg 300w, https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/04\/IMG_2944-368x270.jpg 368w\" sizes=\"(max-width: 671px) 100vw, 671px\" \/><\/p>\n<p>J&rsquo;ai fait au mieux pour r\u00e9parer, c&rsquo;est un peu dommage&#8230; \ud83d\ude41<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le kit \u00e9tant livr\u00e9 avec un Wattm\u00e8tre ROSm\u00e8tre LCD 16&#215;2 (vert, que je n&rsquo;aime pas alors je l&rsquo;ai remplac\u00e9 par un bleu), et souhaitant ajouter un afficheur OLED pr\u00e9sentant les informations issues de l&rsquo;alimentation, il a fallu trouver un moyen de les fixer proprement en face avant. Le plus simple, et le plus esth\u00e9tique, \u00e9tait\u00a0d\u2019utiliser\u2026 <span class=\"read-more\"><a href=\"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/30\/sspa-amplificateur-hf-a-ldmos-4\/\">Lire la suite &raquo;<\/a><\/span><\/p>\n","protected":false},"author":2,"featured_media":187,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sharing_disabled":false,"spay_email":"","jetpack_publicize_message":""},"categories":[6],"tags":[29,11,31,30],"jetpack_featured_media_url":"https:\/\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/IMG_2944.jpg","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p8GcED-2R","jetpack-related-posts":[{"id":354,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/05\/23\/sspa-amplificateur-hf-a-ldmos-7\/","url_meta":{"origin":177,"position":0},"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":[]},{"id":145,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/03\/26\/amplificateur-hf-a-ldmos-sspa-1\/","url_meta":{"origin":177,"position":1},"title":"SSPA - Amplificateur HF \u00e0 LDMOS 1","date":"26 mars 2017","format":false,"excerpt":"C'est d\u00e9cid\u00e9, je me construis mon amplificateur HF ! Bien que disposant d'un amplificateur \u00e0 tubes, un OM Power, j'avais envie de tenter l'aventure du SSPA (Solid State Power Amp) pour les trois raisons suivantes : Avoir un ampli disponible imm\u00e9diatement, sans attendre le pr\u00e9chauffage du tube Avoir un ampli\u2026","rel":"nofollow","context":"In \u201cRadio\u201d","img":{"src":"https:\/\/i1.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/03\/57.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":166,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/04\/06\/amplificateur-hf-a-ldmos-sspa-3\/","url_meta":{"origin":177,"position":2},"title":"SSPA - Amplificateur HF \u00e0 LDMOS 3","date":"6 avril 2017","format":false,"excerpt":"Voyons si tout rentre dans le boitier, avec un bon chausse-pied \u00e7a devrait passer... Et bien non, \u00e7a ne passe pas, il manque 10 mm pour que tout rentre en largeur. Qu'\u00e0 cela ne tienne, on fait des merveilles avec une scie \u00e0 m\u00e9taux (en appartement... pr\u00e9voir l'aspirateur \u00e0 proximit\u00e9).\u2026","rel":"nofollow","context":"In \u201cRadio\u201d","img":{"src":"https:\/\/i2.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/03\/2017-03-30-19.22.06.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":161,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/03\/30\/amplificateur-hf-a-ldmos-sspa-2\/","url_meta":{"origin":177,"position":3},"title":"SSPA - Amplificateur HF \u00e0 LDMOS 2","date":"30 mars 2017","format":false,"excerpt":"Enfin, ma commande est arriv\u00e9e ! Le tout est parfaitement emball\u00e9. La fabrication est professionnelle, tr\u00e8s propre, vraiment rien \u00e0 redire. Ah si, juste un petit d\u00e9tail, trois fois rien... il n'y a aucune documentation et c'est normal ! Il va falloir tout r\u00e9aliser \u00e0 partir des sch\u00e9mas et de\u2026","rel":"nofollow","context":"In \u201cRadio\u201d","img":{"src":"https:\/\/i1.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/03\/ZWIxMDQucnUPAcontroller-\u043a\u043e\u043f\u0438\u044f.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":196,"url":"https:\/\/f8dql.radioamateur.org\/index.php\/2017\/05\/16\/sspa-ca-se-complique\/","url_meta":{"origin":177,"position":4},"title":"SSPA \u2013 \u00c7a se complique...","date":"16 mai 2017","format":false,"excerpt":"Content d'avoir sorti 1000 W sur charge avec la palette seule, j'ai continu\u00e9 le montage en reliant toutes les platines livr\u00e9es : Circuit de protection\u00a0qui coupe l'alim lorsque la puissance de sortie ou le ROS sont trop \u00e9lev\u00e9s \u00a0 Circuit de protection coupant l'arriv\u00e9e HF et le BIAS si la\u2026","rel":"nofollow","context":"In \u201cRadio\u201d","img":{"src":"https:\/\/i0.wp.com\/f8dql.radioamateur.org\/wp-content\/uploads\/2017\/05\/DSCF1167.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":177,"position":5},"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":[]}],"_links":{"self":[{"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/posts\/177"}],"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=177"}],"version-history":[{"count":10,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/posts\/177\/revisions"}],"predecessor-version":[{"id":267,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/posts\/177\/revisions\/267"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/media\/187"}],"wp:attachment":[{"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/media?parent=177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/categories?post=177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/f8dql.radioamateur.org\/index.php\/wp-json\/wp\/v2\/tags?post=177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}