{"id":50025,"date":"2023-12-14T09:35:45","date_gmt":"2023-12-14T07:35:45","guid":{"rendered":"https:\/\/www.cqdx.ru\/ham\/?p=50025"},"modified":"2023-12-14T09:39:32","modified_gmt":"2023-12-14T07:39:32","slug":"ldmos-om2002w-vhf-power-amplifier-with-water-cooled-system","status":"publish","type":"post","link":"https:\/\/www.cqdx.ru\/ham\/qro-qrp\/ldmos-om2002w-vhf-power-amplifier-with-water-cooled-system\/","title":{"rendered":"LDMOS OM2002W VHF power amplifier with water cooled system"},"content":{"rendered":"<p>The OM Power OM2002W solid state power amplifier OM2002W is designed for 144 MHz amateur band from 144 MHz till 146 MHz and all modes. It is equipped with Freescale LDMOS transistors and is water cooled.<\/p>\n<h3><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-50031 aligncenter\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083703-800x490.jpg\" alt=\"\" width=\"800\" height=\"490\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083703-800x490.jpg 800w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083703-768x470.jpg 768w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083703.jpg 846w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-50032 aligncenter\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083744.jpg\" alt=\"\" width=\"798\" height=\"407\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083744.jpg 798w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083744-768x392.jpg 768w\" sizes=\"auto, (max-width: 798px) 100vw, 798px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-50033 aligncenter\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083812.jpg\" alt=\"\" width=\"782\" height=\"583\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083812.jpg 782w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2023\/12\/Screenshot-2023-12-14-083812-768x573.jpg 768w\" sizes=\"auto, (max-width: 782px) 100vw, 782px\" \/>OM2002 Specifications:<\/strong><\/h3>\n<table cellspacing=\"0\" cellpadding=\"2\">\n<tbody>\n<tr>\n<td><strong>Frequency Coverage:<\/strong><\/td>\n<td>144 \u2013 146 MHz Amateur Radio Band<\/td>\n<\/tr>\n<tr>\n<td><strong>Power Output<\/strong><\/td>\n<td><strong>1800W in CW, SSB<br \/>\n1600W in AM, FM and digital modes,<br \/>\n50% duty cycle<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Drive Power<\/strong><\/td>\n<td>25-30 watt<\/td>\n<\/tr>\n<tr>\n<td><strong>Input Impedance<\/strong><\/td>\n<td>50 Ohm, VSWR &lt; 1,1 : 1<\/td>\n<\/tr>\n<tr>\n<td><strong>Output Amplification<\/strong><\/td>\n<td>19 dB<\/td>\n<\/tr>\n<tr>\n<td><strong>Maximum Output SWR<\/strong><\/td>\n<td>2 : 1<\/td>\n<\/tr>\n<tr>\n<td><strong>SWR Protection<\/strong><\/td>\n<td>Automatic switching to STBY, when reflected power is 200W or higher<\/td>\n<\/tr>\n<tr>\n<td><strong>Intermodulation Distortion<\/strong><\/td>\n<td>\u2013 32 dBc<\/td>\n<\/tr>\n<tr>\n<td><strong>Suppression of Harmonics<\/strong><\/td>\n<td>&lt; -70 dBc<\/td>\n<\/tr>\n<tr>\n<td><strong>Transistor<\/strong><\/td>\n<td>2 x MRF1K8<\/td>\n<\/tr>\n<tr>\n<td><strong>Cooler<\/strong><\/td>\n<td>2 pc axial blower<\/td>\n<\/tr>\n<tr>\n<td><strong>Power Supply<\/strong><\/td>\n<td>120 \u2013 250V AC , 50 \u2013 60 Hz<\/td>\n<\/tr>\n<tr>\n<td><strong>Protection<\/strong><\/td>\n<td>\u2013 SWR too high<br \/>\n\u2013 Drain current too high<br \/>\n\u2013 Input power too high (overdrive)<br \/>\n\u2013 Output power too high<br \/>\n\u2013 Reflected power too high<br \/>\n\u2013 Gain too low<br \/>\n\u2013 Combiner unbalance<br \/>\n\u2013 DC voltage too low<br \/>\n\u2013 Temperature too high<\/td>\n<\/tr>\n<tr>\n<td><strong>Display Indications<\/strong><\/td>\n<td>4.3\u2033 Touch Screen Display 480 x 272 pixels<\/td>\n<\/tr>\n<tr>\n<td><strong>Size:<\/strong><\/td>\n<td>383 mm x 180 mm x 365 mm [15.1\u201d x 7.1\u201d x 14.4\u201d] (Width x height x depth)<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight:<\/strong><\/td>\n<td>11.7 kg ( 25.8 lb )<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>OM2002W LAN Connection<\/h3>\n<p>ower amplifier is interfaced to LAN via XPORT made by Lantronix (type XP1001000-05R). More info can be found at\u00a0<a href=\"https:\/\/www.lantronix.com\/products\/xport\">www.lantronix.com<\/a>\u00a0.<\/p>\n<p>Default factory settings of XPORT are:<\/p>\n<p><strong>IP address:\u00a0<\/strong>192.168.1.233<br \/>\n<strong>Mask:\u00a0<\/strong>255.255.255.0<br \/>\n<strong>Gateway:\u00a0<\/strong>192.168.1.1<\/p>\n<p>These are strictly default settings. You can modify any of these by going to XPORT web GUI via your web browser. We do not recommend changing any other parameters of the XPORT interface as loss of communication can be caused by doing so. There is no default user name or password. It is highly recommended to secure web interface with username and password.<\/p>\n<p>For remote control and monitoring over LAN special software is needed. It is available free of charge; it can be downloaded from the following link:\u00a0<a id=\"download\" data-file=\"OM2002W_Manager_v2.11-setup.exe\"><\/a>Remote control manager for OM2002W v2.11<\/p>\n<p>Sale by <a href=\"https:\/\/www.om-power.com\/\" target=\"_blank\" rel=\"noopener\">OM POWER<\/a><\/p>\n<p>Price: 4,890.00\u00a0<span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The OM Power OM2002W solid state power amplifier OM2002W is designed for 144 MHz amateur band from 144 MHz till 146 MHz and all modes. It is equipped with Freescale LDMOS transistors and is water cooled. OM2002 Specifications: Frequency Coverage: 144 \u2013 146 MHz Amateur Radio Band Power Output 1800W in CW, SSB 1600W in&hellip;<\/p>\n","protected":false},"author":1,"featured_media":50031,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[10],"tags":[],"class_list":["post-50025","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qro-qrp","category-10","description-off"],"_links":{"self":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/50025","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/comments?post=50025"}],"version-history":[{"count":0,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/50025\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media\/50031"}],"wp:attachment":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media?parent=50025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/categories?post=50025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/tags?post=50025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}