{"id":1412,"date":"2025-10-12T02:16:38","date_gmt":"2025-10-12T02:16:38","guid":{"rendered":"https:\/\/www.wallisemi.com\/?p=1412"},"modified":"2025-10-13T02:18:01","modified_gmt":"2025-10-13T02:18:01","slug":"%e8%87%aa%e5%b7%b1%e8%a8%ad%e8%a8%88%e3%83%8a%e3%83%93%e3%82%b2%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3rf%e3%83%81%e3%83%83%e3%83%97%e3%81%ae%e8%a8%ad%e8%a8%88%e3%81%a8%e6%80%a7%e8%83%bd%e3%81%a7%e3%83%96","status":"publish","type":"post","link":"https:\/\/www.wallisemi.com\/ja\/blog\/industry-insights\/achieving-breakthroughs-in-the-design-and-performance-of-self-designed-navigation-rf-chips\/","title":{"rendered":"\u81ea\u5df1\u8a2d\u8a08\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3RF\u30c1\u30c3\u30d7\u306e\u8a2d\u8a08\u3068\u6027\u80fd\u3067\u30d6\u30ec\u30fc\u30af\u30b9\u30eb\u30fc\u3092\u9054\u6210"},"content":{"rendered":"<p>\u4e16\u754c\u306e\u885b\u661f\u822a\u6cd5\u30b7\u30b9\u30c6\u30e0\u304cGPS\u306e\u652f\u914d\u304b\u3089\u30de\u30eb\u30c1\u30b7\u30b9\u30c6\u30e0\u4e92\u63db\u306e\u300cGNSS\u6642\u4ee3\u300d\u3078\u3068\u9032\u5316\u3059\u308b\u4e2d\u3001\u4e2d\u56fd\u306fBeiDou\u30b7\u30b9\u30c6\u30e0\u306e\u958b\u767a\u3068\u7523\u696d\u5316\u306e\u305f\u3081\u306b\u3001\u9ad8\u6027\u80fd\u3067\u81ea\u5f8b\u6027\u306e\u9ad8\u3044\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30c1\u30c3\u30d7\u3092\u7dca\u6025\u306b\u8981\u6c42\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u80cc\u666f\u304b\u3089, <strong>RF\u30c1\u30c3\u30d7<\/strong>&nbsp;\u306f\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u4e2d\u6838\u3068\u306a\u308b\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30fb\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u30c1\u30c3\u30d7\u306e\u6027\u80fd\u306f\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u611f\u5ea6\u3001\u30a2\u30f3\u30c1\u30b8\u30e3\u30df\u30f3\u30b0\u80fd\u529b\u3001\u6e2c\u4f4d\u7cbe\u5ea6\u3092\u76f4\u63a5\u5de6\u53f3\u3059\u308b\u3002.<\/p>\n\n\n\n<p>\u8d99\u5efa\u65b0\u3068\u9112\u632f\u6770\u306f\u3001\u5b8c\u5168\u81ea\u5f8b\u578b\u306e\u9ad8\u96c6\u7a4d\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u6848\u3057\u305f\u3002 <strong>RF\u30c1\u30c3\u30d7<\/strong>&nbsp;\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30c1\u30c3\u30d7\u306fRF-CMOS\u6280\u8853\u306b\u57fa\u3065\u304d\u3001\u5358\u4e00\u30c0\u30a6\u30f3\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u4e2d\u9593\u5468\u6ce2\u6570\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u4f4e\u96d1\u97f3\u5897\u5e45\u5668\uff08LNA\uff09\u3001\u30df\u30ad\u30b5\u30fc\u3001\u8907\u5408\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u53ef\u5909\u5229\u5f97\u5897\u5e45\u5668\uff08VGA\uff09\u3001\u5468\u6ce2\u6570\u30b7\u30f3\u30bb\u30b5\u30a4\u30b6\u30fc\u30014\u30d3\u30c3\u30c8ADC\u306a\u3069\u306e\u4e3b\u8981\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u7d71\u5408\u3057\u3001RF\u4fe1\u53f7\u304b\u3089\u30c7\u30b8\u30bf\u30eb\u4e2d\u9593\u5468\u6ce2\u4fe1\u53f7\u3078\u306e\u52b9\u7387\u7684\u306a\u5909\u63db\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h5 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<strong>RF\u30c1\u30c3\u30d7<\/strong>&nbsp;\u306f\u3001\u30ce\u30a4\u30ba\u5236\u5fa1\u3001\u76f4\u7dda\u6027\u3001\u753b\u50cf\u6291\u5236\u306a\u3069\u306e\u91cd\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u3064\u3044\u3066\u4f53\u7cfb\u7684\u306b\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30bd\u30fc\u30b9\u30fb\u30c7\u30b8\u30a7\u30cd\u30ec\u30fc\u30b7\u30e7\u30f3\u30fb\u30a4\u30f3\u30c0\u30af\u30bf\u30fc\u69cb\u9020\u306eLNA\u3068\u5b8c\u5168\u5dee\u52d5RF-VGA\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u96d1\u97f3\u6307\u6570\u306f2dB\u4ee5\u4e0b\u306b\u5236\u5fa1\u3055\u308c\u3066\u3044\u308b\u30025\u6b21\u306e\u30c1\u30a7\u30d3\u30b7\u30a7\u30d5\u8907\u7d20\u30d5\u30a3\u30eb\u30bf\u30fc\u306f30dB\u4ee5\u4e0a\u306e\u5e2f\u57df\u5916\u6291\u5727\u3092\u9054\u6210\u3057\u3001\u753b\u50cf\u9664\u53bb\u6bd4\u306f\u30d7\u30ea\u30ad\u30e3\u30ea\u30d6\u30ec\u30fc\u30b7\u30e7\u30f3\u30fb\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3088\u3063\u306647dB\u306b\u6539\u5584\u3055\u308c\u3001\u4fe1\u53f7\u7d14\u5ea6\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u3001\u3053\u306e\u30c1\u30c3\u30d7\u306f\u5353\u8d8a\u3057\u305f\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30fb\u30ec\u30f3\u30b8\u3068\u76f4\u7dda\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u30025\u6bb5\u968e\u306eVGA\u8a2d\u8a08\u306b\u3088\u308a\u300150dB\u306e\u5229\u5f97\u5236\u5fa1\u7bc4\u56f2\u3092\u9054\u6210\u3057\u3001\u51fa\u529b3\u6b21\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8\u30dd\u30a4\u30f3\u30c8\uff08OIP3\uff09\u306f20dBm\u3092\u8d85\u3048\u3001\u8907\u96d1\u306a\u96fb\u78c1\u74b0\u5883\u4e0b\u3067\u3082\u5fae\u5f31\u306a\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u4fe1\u53f7\u306e\u5b89\u5b9a\u3057\u305f\u53d7\u4fe1\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u7269\u7406\u8a2d\u8a08\u3068\u30ce\u30a4\u30ba\u6291\u5236\u6280\u8853<\/strong><strong><\/strong><\/h5>\n\n\n\n<p>\u7269\u7406\u7684\u306a\u30c7\u30b6\u30a4\u30f3\u306b\u95a2\u3057\u3066\u306f <strong>RF\u30c1\u30c3\u30d7<\/strong>&nbsp;\u306f\u3001\u4fdd\u8b77\u30ea\u30f3\u30b0\u3001\u72ec\u7acb\u3057\u305f\u57fa\u677f\u30b3\u30f3\u30bf\u30af\u30c8\u3001\u30d1\u30ef\u30fc\u30fb\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6280\u8853\u306a\u3069\u3001\u53b3\u683c\u306a\u7d76\u7e01\u304a\u3088\u3073\u30ce\u30a4\u30ba\u5bfe\u7b56\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306b\u3088\u308a\u3001RF\u56de\u8def\u306b\u5e72\u6e09\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30c7\u30b8\u30bf\u30eb\u30fb\u30b9\u30a4\u30c3\u30c1\u30fb\u30ce\u30a4\u30ba\u3092\u52b9\u679c\u7684\u306b\u6291\u5236\u3057\u3001\u9ad8\u96c6\u7a4d\u5316\u306b\u304a\u3044\u3066\u3082\u30c1\u30c3\u30d7\u52d5\u4f5c\u306e\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u8a66\u9a13\u7d50\u679c\u3068\u696d\u754c\u3078\u306e\u5f71\u97ff<\/strong><strong><\/strong><\/h5>\n\n\n\n<p>\u30c6\u30b9\u30c8\u7d50\u679c\u306b\u3088\u308b\u3068\u3001\u3053\u308c\u306f <strong>RF\u30c1\u30c3\u30d7<\/strong>&nbsp;OIP3\u3001IMRR\u3001\u96d1\u97f3\u6307\u6570\u306a\u3069\u306e\u4e3b\u8981\u6307\u6a19\u306b\u304a\u3044\u3066\u3001\u5f93\u6765\u306e\u8a2d\u8a08\u65b9\u5f0f\u3092\u51cc\u99d5\u3057\u3066\u3044\u307e\u3059\u3002\u5317\u6597\u3001GPS\u3001GLONASS\u3001Galileo\u306e4\u5927\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30b7\u30b9\u30c6\u30e0\u3068\u5b8c\u5168\u306a\u4e92\u63db\u6027\u3092\u6301\u3064\u3060\u3051\u3067\u306a\u304f\u3001\u540c\u69d8\u306e\u5916\u56fd\u88fd\u54c1\u306b\u53d6\u3063\u3066\u4ee3\u308f\u308b\u6280\u8853\u529b\u3082\u5099\u3048\u3066\u3044\u308b\u3002\u3053\u308c\u306f\u3001\u4e2d\u56fd\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u56fd\u5185\u958b\u767a\u3068\u81ea\u7acb\u306b\u4e0d\u53ef\u6b20\u306a\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u3068\u306a\u308b\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>As the global satellite navigation system evolves from being dominated by GPS to a &#8220;GNSS era&#8221; with multi-system compatibility, China has urgently demanded high-performance and highly autonomous navigation chips for the development and industrialization of the BeiDou system. In this context, RF chips&nbsp;play a critical role as the core front-end component of navigation receivers. The performance of these chips directly determines the sensitivity, anti-jamming capability, and positioning accuracy of the entire navigation system. In their research, Zhao Jianxin and Zou Zhenjie proposed a fully autonomous, highly integrated multi-mode navigation RF chip&nbsp;architecture. This chip is based on RF-CMOS technology and adopts a single down-conversion intermediate frequency architecture. It integrates all key [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1391,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,31],"tags":[36],"class_list":["post-1412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-insights","category-blog","tag-yvette-wu"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/posts\/1412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/comments?post=1412"}],"version-history":[{"count":1,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/posts\/1412\/revisions"}],"predecessor-version":[{"id":1413,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/posts\/1412\/revisions\/1413"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/media\/1391"}],"wp:attachment":[{"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/media?parent=1412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/categories?post=1412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/tags?post=1412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}