{"id":311,"date":"2014-01-08T21:56:20","date_gmt":"2014-01-08T21:56:20","guid":{"rendered":"http:\/\/warc.org.uk\/?page_id=311"},"modified":"2015-01-28T15:21:47","modified_gmt":"2015-01-28T15:21:47","slug":"the-cdg2000-post-mixer-amp","status":"publish","type":"page","link":"https:\/\/warc.org.uk\/?page_id=311","title":{"rendered":"The CDG2000 Post Mixer Amp"},"content":{"rendered":"<p><b>The CDG2000 Post Mixer Amp<\/b><\/p>\n<p>This is the post mixer amplifier. It comprises a low noise amplifier followed by switched filters for SSB and CW. This material is designed to support part 3 of the article in\u00a0<a href=\"http:\/\/www.rsgb.org.uk\/\">RadCom<\/a>.<\/p>\n<p>The following links provide constructional data, performance information, schematics and PCB layouts. The PCB layouts are HP\/GL files drawn with a 1 thou pen. It is intended that they be imported into graphics packages such as Autocad for printing.<\/p>\n<p>Note that this version of the board is the same as as published in RadCom.\u00a0<a title=\"CDG2000 Post Mixer Amp 2\" href=\"https:\/\/warc.org.uk\/?page_id=69557\">A variant is available that incorporates the transmit filtering and ALC into the same unit.<\/a><\/p>\n<p>&nbsp;<\/p>\n<table border=\"1\" width=\"634\" cellspacing=\"1\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/part_3_post_mixer_amplifier_v4.doc\">Early version of article<\/a><\/td>\n<td valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/top_component_layout.pdf\">PCB component placement<\/a><\/td>\n<td valign=\"top\" width=\"35%\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/filter_plots.xls\">Filter Performance<\/a><\/td>\n<td valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/bottom_tracking.pdf\">PCB tracking<\/a><\/td>\n<td valign=\"top\" width=\"35%\">\u00a0<a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/ground_plane.pdf\">PCB Ground Plane<\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"32%\"><a title=\"CDG2000 Post Mixer Amp 2\" href=\"https:\/\/warc.org.uk\/?page_id=69557\">Combined TX unit<\/a><\/td>\n<td valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/postmixbits.doc\">\u00a0Components List<\/a><\/td>\n<td valign=\"top\" width=\"35%\">\u00a0<a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/latest_circuit.pdf\">Schematic<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/warc.org.uk\/?page_id=81\">Return to CDG2000 Home Page<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The CDG2000 Post Mixer Amp This is the post mixer amplifier. It comprises a low noise amplifier followed by switched filters for SSB and CW. This material is designed to support part 3 of the article in\u00a0RadCom. The following links provide constructional data, performance information, schematics and PCB layouts. The\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/warc.org.uk\/?page_id=311\">Continue reading<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":81,"menu_order":0,"comment_status":"open","ping_status":"open","template":"templates\/template-page-with-intro.php","meta":{"footnotes":""},"class_list":["post-311","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/pages\/311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/warc.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=311"}],"version-history":[{"count":12,"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/pages\/311\/revisions"}],"predecessor-version":[{"id":70687,"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/pages\/311\/revisions\/70687"}],"up":[{"embeddable":true,"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/pages\/81"}],"wp:attachment":[{"href":"https:\/\/warc.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}