{"id":252455,"date":"2023-03-03T10:51:28","date_gmt":"2023-03-03T10:51:28","guid":{"rendered":"\/forum\/forums\/topic\/hfss-nfc-antenna-simulation\/"},"modified":"2023-03-03T10:51:28","modified_gmt":"2023-03-03T10:51:28","slug":"hfss-nfc-antenna-simulation","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hfss-nfc-antenna-simulation\/","title":{"rendered":"HFSS NFC ANTENNA SIMULATION"},"content":{"rendered":"<p>I am trying NFC antenna simulation getting S11 parameters(at 13.56Mhz) but I am new member user of HFSS ANSYS. I coundt reach correct result. This is my S11 graphic;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/03-03-2023-1677840117-Screenshot_7.png\" alt=\"\" width=\"703\" height=\"251\"><\/p>\n<p>I followed these steps,<\/p>\n<p>1)I imported ODB from Altium to HFSS<\/p>\n<p>2)I enter setup(analysis) as 13.56Mhz&nbsp; I deleted ic.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/03-03-2023-1677839779-Screenshot_4.png\" alt=\"\" width=\"278\" height=\"408\"><\/p>\n<p>3)Exported HFSS Model.(second photo)<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/03-03-2023-1677839825-Screenshot_5.png\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n<p>4) I created sheet than assiged it as lumped port.<\/p>\n<p>Where do i make wrong?&nbsp; Are all steps okay? Could you help me?<\/p>\n<p>By the way after that I have to put capacitor between two trace of antenna to match tunning&nbsp; how can add 50pF capacitor between trace of antenna in the easiest way.<\/p>\n<p id=\"tw-target-text\" class=\"tw-data-text tw-text-large tw-ta\" dir=\"ltr\" data-placeholder=\"&Ccedil;eviri\"><span class=\"Y2IQFc\" lang=\"en\">the result to achieve is as follows;<\/span><\/p>\n<p class=\"tw-data-text tw-text-large tw-ta\" dir=\"ltr\" data-placeholder=\"&Ccedil;eviri\"><span class=\"Y2IQFc\" lang=\"en\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/03-03-2023-1677840581-Screenshot_8.png\" alt=\"\"><\/span><\/p>\n<p class=\"tw-data-text tw-text-large tw-ta\" dir=\"ltr\" data-placeholder=\"&Ccedil;eviri\">&nbsp;<\/p>\n<p class=\"tw-data-text tw-text-large tw-ta\" dir=\"ltr\" data-placeholder=\"&Ccedil;eviri\"><span class=\"Y2IQFc\" lang=\"en\">Thank you<\/span><\/p>\n","protected":false},"template":"","class_list":["post-252455","topic","type-topic","status-closed","hentry","topic-tag-antenna","topic-tag-antenna-design","topic-tag-hfss","topic-tag-NFC-1","topic-tag-s11-1","topic-tag-simulation"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["276263","28551","283099"],"_bbp_author_ip":["23.220.96.181"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["2330"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["252455"],"_bbp_forum_id":["27793"],"_bbp_engagement":["28551","276263"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["1"],"_bbp_last_reply_id":["276594"],"_bbp_last_active_id":["276594"],"_bbp_last_active_time":["2023-03-27 12:47:49"]},"test":"simay-acikeltogg-com-tr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/252455","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/252455\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=252455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}