{"id":127,"date":"2014-01-08T16:12:07","date_gmt":"2014-01-08T16:12:07","guid":{"rendered":"http:\/\/warc.org.uk\/?page_id=127"},"modified":"2015-01-22T16:41:21","modified_gmt":"2015-01-22T16:41:21","slug":"if","status":"publish","type":"page","link":"https:\/\/warc.org.uk\/?page_id=127","title":{"rendered":"If"},"content":{"rendered":"<p><code><b>The CDG2000 IF unit<\/b><\/code><\/p>\n<p>This is the IF unit that provides a constant output IF signal for a 120 dB range of input signal. This material is designed to support part 4 of the article in\u00a0<a href=\"http:\/\/www.rsgb.org.uk\/\" target=\"_blank\">RadCom<\/a>.<\/p>\n<p>The following links provide constructional data, performance information, schematics and PCB layouts.<\/p>\n<p>Note that there are two wire links that go diagonally across the board &#8211; these are shown separately on the\u00a0<a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2014\/01\/if3c_top_wires.pdf\" target=\"_blank\">PCB Wire Links<\/a>\u00a0diagram.<\/p>\n<table class=\"MsoNormalTable\" style=\"width: 475.5pt; mso-cellspacing: .7pt; mso-padding-alt: 5.25pt 5.25pt 5.25pt 5.25pt;\" border=\"1\" width=\"634\" cellspacing=\"1\" cellpadding=\"0\">\n<tbody>\n<tr style=\"mso-yfti-irow: 0; mso-yfti-firstrow: yes;\">\n<td style=\"width: 32.12%; padding: 5.25pt 5.25pt 5.25pt 5.25pt;\" valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2014\/01\/if_article_v6.doc\">Updated version of article<\/a><\/td>\n<td style=\"width: 32.14%; padding: 5.25pt 5.25pt 5.25pt 5.25pt;\" valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/if3c_bottom_component_layout.pdf\">PCB component placement<\/a><\/td>\n<td style=\"width: 35.16%; padding: 5.25pt 5.25pt 5.25pt 5.25pt;\" valign=\"top\" width=\"35%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/if3c_bottom_tracking_reversed.pdf\">PCB tracking (reversed)<\/a><\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 1;\">\n<td style=\"width: 32.12%; padding: 5.25pt 5.25pt 5.25pt 5.25pt;\" valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/if_parts.doc\">Parts List<\/a><\/td>\n<td style=\"width: 32.14%; padding: 5.25pt 5.25pt 5.25pt 5.25pt;\" valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/if3c_bottom_tracking.pdf\">PCB tracking<\/a><\/td>\n<td style=\"width: 35.16%; padding: 5.25pt 5.25pt 5.25pt 5.25pt;\" valign=\"top\" width=\"35%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/if3c_bottom_component_layout.pdf\">PCB bottom component placement<\/a><\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 2; mso-yfti-lastrow: yes;\">\n<td style=\"width: 32.12%; padding: 5.25pt 5.25pt 5.25pt 5.25pt;\" valign=\"top\" width=\"32%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/circuit_diagrams.doc\">Schematic<\/a><\/td>\n<td style=\"width: 32.14%; padding: 5.25pt 5.25pt 5.25pt 5.25pt;\" valign=\"top\" width=\"32%\"><\/td>\n<td style=\"width: 35.16%; padding: 5.25pt 5.25pt 5.25pt 5.25pt;\" valign=\"top\" width=\"35%\"><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/if3c_top_wires.pdf\">PCB Wire Links<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Note that the article has been updated from V5 to V6 to correct<br \/>\na number of errors in the parts list. The parts list has also been updated.<\/p>\n<p><a href=\"https:\/\/warc.org.uk\/wp-content\/uploads\/2015\/01\/If.zip\">\u00a0PCB CAD Download &#8211; IF<\/a><\/p>\n<p><a title=\"CDG2000 Transceiver\" href=\"https:\/\/warc.org.uk\/?page_id=81\"><span style=\"font-family: Arial;\">\u00a0<\/span>Return to CDG2000 Home Page<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The CDG2000 IF unit This is the IF unit that provides a constant output IF signal for a 120 dB range of input signal. This material is designed to support part 4 of the article in\u00a0RadCom. The following links provide constructional data, performance information, schematics and PCB layouts. Note that\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/warc.org.uk\/?page_id=127\">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-127","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/pages\/127","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=127"}],"version-history":[{"count":19,"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/pages\/127\/revisions"}],"predecessor-version":[{"id":69706,"href":"https:\/\/warc.org.uk\/index.php?rest_route=\/wp\/v2\/pages\/127\/revisions\/69706"}],"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=127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}