{"id":2159,"date":"2025-09-20T16:23:46","date_gmt":"2025-09-20T07:23:46","guid":{"rendered":"https:\/\/www.rocher.kyoto.jp\/arbr\/?p=2159"},"modified":"2025-09-20T16:25:59","modified_gmt":"2025-09-20T07:25:59","slug":"ltspice%e3%81%ae%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e5%88%9d%e6%9c%9f%e9%9b%bb%e5%9c%a7%e8%a8%ad%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/www.rocher.kyoto.jp\/arbr\/?p=2159","title":{"rendered":"LTspice\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u521d\u671f\u96fb\u5727\u8a2d\u5b9a"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4e45\u3057\u3076\u308a\u306bLTspice\u3092\u4f7f\u3063\u305f\u3089\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u521d\u671f\u96fb\u5727\u8a2d\u5b9a\u65b9\u6cd5\u304c\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d0\u30fc\u30b8\u30e7\u30f3\u306f24.1.10<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u90e8\u306e\u30a2\u30a4\u30b3\u30f3\u6b04\u306b\u3042\u308bSPICE DIRECTIVE(&#8220;.t&#8221;\u30a2\u30a4\u30b3\u30f3)\u3092\u30af\u30ea\u30c3\u30af<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fa\u3066\u304f\u308b\u30c6\u30ad\u30b9\u30c8\u5165\u529b\u6b04\u306b\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u96fb\u5727\u521d\u671f\u72b6\u614b\u3092\u6307\u5b9a\u3057\u3066\u3042\u3052\u308b\u3002\u4f8b<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">.ic V(n002)=0<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">chatgpt\u306b\u66f8\u304b\u305b\u305f\u958b\u8a2d\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u306e\u3067\u305d\u306e\u307e\u307e\u307a\u305f\u3063\u3068<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">.ic \u30b3\u30de\u30f3\u30c9\u3068\u306f<br><br>.ic \u306f Initial Condition\uff08\u521d\u671f\u6761\u4ef6\uff09 \u306e\u7565\u3067\u3059\u3002<br><br>\u56de\u8def\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3067 \u30b3\u30f3\u30c7\u30f3\u30b5\u3084\u30a4\u30f3\u30c0\u30af\u30bf\u306a\u3069\u306e\u72b6\u614b\u3092\u521d\u671f\u5024\u304b\u3089\u59cb\u3081\u305f\u3044\u3068\u304d\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002<br><br>\u5f62\u5f0f\uff1a<br><br>.ic V(node)=\u5024<br><br><br>V(node)\uff1a\u6307\u5b9a\u3059\u308b\u30ce\u30fc\u30c9\u306e\u96fb\u5727<br><br>\u5024\uff1a\u521d\u671f\u5024\uff08V\u5358\u4f4d\uff09<br><br>2. \u5177\u4f53\u4f8b\uff1a.ic V(n002)=0<br>.ic V(n002)=0<br><br><br>\u30ce\u30fc\u30c9 n002 \u306e\u96fb\u5727\u3092 \u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u958b\u59cb\u6642\u306b 0V \u306b\u56fa\u5b9a<br><br>\u3053\u308c\u306f\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u3084\u56de\u8def\u306e\u300c\u7acb\u3061\u4e0a\u304c\u308a\u96fb\u5727\u300d\u3092\u6307\u5b9a\u3059\u308b\u3068\u304d\u306b\u4f7f\u3044\u307e\u3059<br><br>\u4f8b\uff1a<br><br>\u56de\u8def\u306b\u30b3\u30f3\u30c7\u30f3\u30b5 C1 \u304c\u3042\u3063\u3066\u3001\u30ce\u30fc\u30c9 n002 \u304c\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u4e00\u7aef\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3068\u3057\u307e\u3059<br><br>.ic V(n002)=0 \u3092\u6307\u5b9a\u3059\u308b\u3068\u3001LTspice\u306f\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u958b\u59cb\u6642\u306b C1\u306e\u96fb\u5727\u30920V\u3068\u3057\u3066\u8a08\u7b97\u3092\u59cb\u3081\u308b<br><br>\u3053\u308c\u306b\u3088\u308a\u3001\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3067\u4e0d\u8981\u306a\u521d\u671f\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u3092\u907f\u3051\u305f\u308a\u3001\u7279\u5b9a\u306e\u521d\u671f\u72b6\u614b\u3092\u4f5c\u3063\u305f\u308a\u3067\u304d\u307e\u3059<br><br>3. \u6ce8\u610f\u70b9<br><br>.ic \u306f DC\u89e3\u6790\u3084\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u89e3\u6790\u3067\u4f7f\u3046<br><br>\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u89e3\u6790\u306e\u5834\u5408\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u3084\u30a4\u30f3\u30c0\u30af\u30bf\u306e\u521d\u671f\u5024\u3068\u3057\u3066\u4f5c\u7528<br><br><s>\u4ee3\u308f\u308a\u306b\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u5c5e\u6027\u3067 IC=0 \u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059<\/s><br><br>\ud83d\udca1 \u307e\u3068\u3081<br><br>V(n002)=0 \u2192 \u30ce\u30fc\u30c9 n002 \u306e\u96fb\u5727\u3092\u521d\u671f\u50240V\u3068\u3057\u3066\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3<br><br>\u30b3\u30f3\u30c7\u30f3\u30b5\u3084\u30a4\u30f3\u30c0\u30af\u30bf\u304c\u7d61\u3080\u56de\u8def\u3067\u3001\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u72b6\u614b\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306b\u4f7f\u3046<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u8aac\u306b\u306f\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u5c5e\u6027\u3067\u6307\u5b9a\u3067\u304d\u308b\u3068\u66f8\u3044\u3066\u3042\u308b\u3051\u3069\u3001GUI\u4e0a\u306e\u5165\u529b\u6b04\u306f\u306a\u304f\u306a\u3063\u3066\u3044\u308b\u3063\u307d\u3044<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e45\u3057\u3076\u308a\u306bLTspice\u3092\u4f7f\u3063\u305f\u3089\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u521d\u671f\u96fb\u5727\u8a2d\u5b9a\u65b9\u6cd5\u304c\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002 \u30d0\u30fc\u30b8\u30e7\u30f3\u306f24.1.10 \u4e0a\u90e8\u306e\u30a2\u30a4\u30b3\u30f3\u6b04\u306b\u3042\u308bSPICE DIRECTIVE(&#8220;.t&#8221;\u30a2\u30a4\u30b3\u30f3)\u3092\u30af\u30ea [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[],"class_list":["post-2159","post","type-post","status-publish","format-standard","hentry","category-117"],"_links":{"self":[{"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/posts\/2159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2159"}],"version-history":[{"count":3,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/posts\/2159\/revisions"}],"predecessor-version":[{"id":2162,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/posts\/2159\/revisions\/2162"}],"wp:attachment":[{"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}