{"id":1351,"date":"2025-10-09T23:01:27","date_gmt":"2025-10-09T23:01:27","guid":{"rendered":"https:\/\/www.wallisemi.com\/?p=1351"},"modified":"2025-10-12T23:08:37","modified_gmt":"2025-10-12T23:08:37","slug":"rf%e3%83%81%e3%83%83%e3%83%97%e3%81%af%e4%bd%95%e3%81%a7%e3%81%a7%e3%81%8d%e3%81%a6%e3%81%84%e3%82%8b%e3%81%ae%e3%81%8b","status":"publish","type":"post","link":"https:\/\/www.wallisemi.com\/ja\/blog\/industry-insights\/what-are-rf-chips-made-of\/","title":{"rendered":"RF\u30c1\u30c3\u30d7\u306f\u4f55\u3067\u3067\u304d\u3066\u3044\u308b\u306e\u304b\uff1f"},"content":{"rendered":"

RF\u30c1\u30c3\u30d7<\/strong> (\u7121\u7dda\u5468\u6ce2\u6570\u96c6\u7a4d\u56de\u8def\u3001RFIC\uff09\u306f\u3001\u7121\u7dda\u5468\u6ce2\u6570\u4fe1\u53f7\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u7279\u6b8a\u306a\u96c6\u7a4d\u56de\u8def\u3067\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u30c1\u30c3\u30d7\u306f\u3001\u7121\u7dda\u901a\u4fe1\u3001\u30ec\u30fc\u30c0\u30fc\u3001\u885b\u661f\u901a\u4fe1\u3001RF\u6e2c\u5b9a\u306a\u3069\u306b\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3002\u73fe\u4ee3\u306e\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u4e2d\u6838\u3068\u3057\u3066\u3001, RF\u30c1\u30c3\u30d7<\/strong> \u306f\u3001\u4fe1\u53f7\u306e\u53d7\u4fe1\u3001\u9001\u4fe1\u3001\u5897\u5e45\u3001\u5468\u6ce2\u6570\u5909\u63db\u3001\u5909\u8abf\u30fb\u5fa9\u8abf\u3068\u3044\u3063\u305f\u4e00\u9023\u306e\u91cd\u8981\u306a\u4ed5\u4e8b\u3092\u62c5\u3063\u3066\u3044\u308b\u3002\u3067\u306f\u3001\u4e00\u4f53\u4f55\u304c\u5b8c\u5168\u306a RF\u30c1\u30c3\u30d7<\/strong>?<\/p>\n\n\n\n

\u4e3b\u8981\u306a\u69cb\u6210\u8981\u7d20 <\/strong>RF\u30c1\u30c3\u30d7<\/strong><\/strong><\/h4>\n\n\n\n

\u30a2\u30f3 RF\u30c1\u30c3\u30d7<\/strong> \u901a\u5e38\u3001\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u5168\u4f53\u306e\u6a5f\u80fd\u306b\u8ca2\u732e\u3057\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n

1. <\/strong>\u4f4e\u96d1\u97f3\u5897\u5e45\u5668 (LNA)<\/strong><\/strong><\/h5>\n\n\n\n

LNA\u306f RF\u30c1\u30c3\u30d7<\/strong>\u2018\u306e\u30ec\u30b7\u30fc\u30d0\u30fc\u30fb\u30c1\u30a7\u30fc\u30f3\u3002\u30ce\u30a4\u30ba\u306e\u5e72\u6e09\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u306a\u304c\u3089\u3001\u30a2\u30f3\u30c6\u30ca\u3067\u53d7\u4fe1\u3057\u305f\u5fae\u5f31\u306a\u4fe1\u53f7\u3092\u5897\u5e45\u3057\u3001\u4fe1\u53f7\u54c1\u8cea\u3092\u78ba\u4fdd\u3059\u308b\u3002.<\/p>\n\n\n\n

2. <\/strong>\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\uff08PA\uff09<\/strong><\/strong><\/h5>\n\n\n\n

\u30c8\u30e9\u30f3\u30b9\u30df\u30c3\u30b7\u30e7\u30f3\u5074\u3067\u306f \u30d1\u30ef\u30fc\u30a2\u30f3\u30d7<\/strong> \u51e6\u7406\u3055\u308c\u305f RF\u4fe1\u53f7<\/strong> \u3092\u3001\u30a2\u30f3\u30c6\u30ca\u304b\u3089\u306e\u52b9\u679c\u7684\u306a\u653e\u5c04\u306b\u5fc5\u8981\u306a\u30d1\u30ef\u30fc\u30fb\u30ec\u30d9\u30eb\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u30a2\u30f3\u30c6\u30ca\u306e\u6027\u80fd\u306f PA<\/strong> \u306e\u4f1d\u9001\u52b9\u7387\u3068\u901a\u4fe1\u8ddd\u96e2\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u3002 RF\u30c1\u30c3\u30d7<\/strong>.<\/p>\n\n\n\n

3. <\/strong>\u30df\u30ad\u30b5\u30fc<\/strong><\/strong><\/h5>\n\n\n\n

\u306b\u3064\u3044\u3066 \u30df\u30ad\u30b5\u30fc<\/strong> \u306f\u3001\u9ad8\u5468\u6ce2\u4fe1\u53f7\u3092\u5c40\u90e8\u767a\u632f\u5668\uff08LO\uff09\u4fe1\u53f7\u3068\u30df\u30ad\u30b7\u30f3\u30b0\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u3001\u5468\u6ce2\u6570\u306e\u30a2\u30c3\u30d7\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u3084\u30c0\u30a6\u30f3\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5bb9\u6613\u306b\u3059\u308b\u3002\u306e\u5468\u6ce2\u6570\u5909\u63db\u306e\u4e2d\u6838\u90e8\u54c1\u3067\u3042\u308b\u3002 RF\u30c1\u30c3\u30d7<\/strong>.<\/p>\n\n\n\n

4. <\/strong>\u30ed\u30fc\u30ab\u30eb\u30fb\u30aa\u30b7\u30ec\u30fc\u30bf\u30fc\uff08LO\uff09<\/strong><\/strong><\/h5>\n\n\n\n

\u306b\u3064\u3044\u3066 \u5c40\u90e8\u767a\u632f\u5668<\/strong> \u306b\u5b89\u5b9a\u3057\u305f\u57fa\u6e96\u5468\u6ce2\u6570\u3092\u63d0\u4f9b\u3059\u308b\u3002 \u30df\u30ad\u30b5\u30fc<\/strong>. .\u305d\u306e\u5468\u6ce2\u6570\u7cbe\u5ea6\u3068\u5b89\u5b9a\u6027\u306f\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u7dcf\u5408\u7684\u306a\u6027\u80fd\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3002 RF\u30c1\u30c3\u30d7<\/strong>.<\/p>\n\n\n\n

5. <\/strong>\u30d5\u30a3\u30eb\u30bf\u30fc<\/strong><\/strong><\/h5>\n\n\n\n

\u306b\u3064\u3044\u3066 \u30d5\u30a3\u30eb\u30bf\u30fc<\/strong> \u306f\u3001\u5e2f\u57df\u5916\u5e72\u6e09\u3084\u30ce\u30a4\u30ba\u3092\u9664\u53bb\u3057\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u5468\u6ce2\u6570\u306e\u4fe1\u53f7\u306e\u307f\u3092\u901a\u904e\u3055\u305b\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u4fe1\u53f7\u306e\u7d14\u5ea6\u3092\u4fdd\u3064\u305f\u3081\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u3002 RF\u30c1\u30c3\u30d7<\/strong>.<\/p>\n\n\n\n

6. <\/strong>RF\u30b9\u30a4\u30c3\u30c1<\/strong><\/strong><\/h5>\n\n\n\n

\u306b\u3064\u3044\u3066 RF\u30b9\u30a4\u30c3\u30c1<\/strong> \u306f\u3001\u7570\u306a\u308b\u4fe1\u53f7\u7d4c\u8def\u306e\u5207\u308a\u66ff\u3048\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002 RF\u30c1\u30c3\u30d7<\/strong> \u53d7\u4fe1\u30e2\u30fc\u30c9\u3068\u9001\u4fe1\u30e2\u30fc\u30c9\u3092\u5207\u308a\u66ff\u3048\u305f\u308a\u3001\u8907\u6570\u306e\u5468\u6ce2\u6570\u5e2f\u57df\u3067\u52d5\u4f5c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n\n\n\n

7. <\/strong>\u5468\u6ce2\u6570\u30b7\u30f3\u30bb\u30b5\u30a4\u30b6\u30fc<\/strong><\/strong><\/h5>\n\n\n\n

\u306b\u3064\u3044\u3066 \u5468\u6ce2\u6570\u30b7\u30f3\u30bb\u30b5\u30a4\u30b6\u30fc<\/strong> PLL\uff08\u30d5\u30a7\u30fc\u30ba\u30fb\u30ed\u30c3\u30af\u30fb\u30eb\u30fc\u30d7\uff09\u306a\u3069\u306e\u56de\u8def\u3092\u901a\u3057\u3066\u3001\u9ad8\u7cbe\u5ea6\u3067\u5b89\u5b9a\u3057\u305f\u5468\u6ce2\u6570\u4fe1\u53f7\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a RF\u30c1\u30c3\u30d7<\/strong> \u306f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u5c40\u90e8\u767a\u632f\u5668\u3092\u6301\u3063\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n

8. <\/strong>\u5909\u8abf\u5668\/\u5fa9\u8abf\u5668<\/strong><\/strong><\/h5>\n\n\n\n

\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30d9\u30fc\u30b9\u30d0\u30f3\u30c9\u4fe1\u53f7\u306e\u5909\u8abf\u3092\u62c5\u5f53\u3059\u308b\u3002 RF\u30ad\u30e3\u30ea\u30a2<\/strong> \u307e\u305f\u306f\u53d7\u4fe1\u3057\u305f RF\u4fe1\u53f7<\/strong> \u3092\u30d9\u30fc\u30b9\u30d0\u30f3\u30c9\u4fe1\u53f7\u306b\u623b\u3059\u3002\u3067\u306e\u30c7\u30fc\u30bf\u4f1d\u9001\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002 RF\u30c1\u30c3\u30d7<\/strong>.<\/p>\n\n\n\n

9. <\/strong>\u5185\u8535\u30a2\u30f3\u30c6\u30ca<\/strong><\/strong><\/h5>\n\n\n\n

\u9ad8\u5ea6\u306b\u7d71\u5408\u3055\u308c\u305f RF\u30c1\u30c3\u30d7<\/strong> \u30c1\u30c3\u30d7\u3084\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u76f4\u63a5\u30a2\u30f3\u30c6\u30ca\u3092\u642d\u8f09\u3059\u308b\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u30fb\u30b5\u30a4\u30ba\u3092\u3055\u3089\u306b\u7e2e\u5c0f\u3057\u3001\u5168\u4f53\u7684\u306a\u96c6\u7a4d\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n

10. <\/strong>\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30fb\u30eb\u30fc\u30d7\u3068\u30b2\u30a4\u30f3\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong><\/strong><\/h5>\n\n\n\n

\u81ea\u52d5\u30b2\u30a4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08AGC\uff09\u306e\u3088\u3046\u306a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u901a\u3057\u3066\u3001, RF\u30c1\u30c3\u30d7<\/strong> \u4fe1\u53f7\u5f37\u5ea6\u3092\u52d5\u7684\u306b\u8abf\u6574\u3057\u3001\u904e\u8ca0\u8377\u3084\u6b6a\u307f\u3092\u9632\u304e\u3001\u5b89\u5b9a\u3057\u305f\u51fa\u529b\u4fe1\u53f7\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\u7d50\u8ad6<\/strong><\/strong><\/h4>\n\n\n\n

\u8981\u7d04\u3059\u308b\u3068, RF\u30c1\u30c3\u30d7<\/strong> \u306fRF\u30b7\u30b9\u30c6\u30e0\u306e\u300c\u5fc3\u81d3\u90e8\u300d\u3067\u3042\u308a\u3001\u5897\u5e45\u3001\u6df7\u5408\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u5909\u8abf\u3001\u5468\u6ce2\u6570\u5408\u6210\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u7d71\u5408\u3057\u3066\u3044\u308b\u3002\u901a\u4fe1\u6280\u8853\u304c\u9ad8\u5468\u6ce2\u5316\u3001\u9ad8\u901f\u5316\u3001\u4f4e\u6d88\u8cbb\u96fb\u529b\u5316\u306b\u5411\u3051\u3066\u9032\u5316\u3092\u7d9a\u3051\u308b\u4e2d\u3001\u6700\u65b0\u306e RF\u30c1\u30c3\u30d7<\/strong> \u306f\u3001\u9ad8\u96c6\u7a4d\u5316\u3001\u9ad8\u6027\u80fd\u5316\u3001\u5c0f\u578b\u5316\u3092\u9032\u3081\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u6280\u8853\u9769\u65b0\u306f RF\u30c1\u30c3\u30d7<\/strong> \u30ef\u30a4\u30e4\u30ec\u30b9\u696d\u754c\u306e\u9032\u6b69\u306e\u91cd\u8981\u306a\u539f\u52d5\u529b\u3067\u3042\u308b\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

RF chips (Radio Frequency Integrated Circuits, RFICs) are specialized integrated circuits used to process radio frequency signals. These chips are widely utilized in wireless communications, radar, satellite communications, and RF measurements. As the core of modern communication systems, RF chips are responsible for a series of key tasks including signal reception, transmission, amplification, frequency conversion, and modulation-demodulation. So, what exactly makes up a complete RF chip? Key Components of an RF Chip An RF chip typically consists of several essential modules, each contributing to its overall function in a communication system: 1. Low Noise Amplifier (LNA) The LNA is the first stage in the RF chip‘s receiver chain. It amplifies the weak signals […]<\/p>\n","protected":false},"author":1,"featured_media":1352,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,31],"tags":[36],"class_list":["post-1351","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\/1351","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=1351"}],"version-history":[{"count":1,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/posts\/1351\/revisions"}],"predecessor-version":[{"id":1353,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/posts\/1351\/revisions\/1353"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/media\/1352"}],"wp:attachment":[{"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/media?parent=1351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/categories?post=1351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wallisemi.com\/ja\/wp-json\/wp\/v2\/tags?post=1351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}