{"id":264,"date":"2017-06-12T00:17:31","date_gmt":"2017-06-11T15:17:31","guid":{"rendered":"http:\/\/blog.y-lab.org\/?p=264"},"modified":"2017-06-12T00:22:36","modified_gmt":"2017-06-11T15:22:36","slug":"pll-%e3%82%af%e3%83%ad%e3%83%83%e3%82%af%e9%80%93%e5%80%8d%e5%9b%9e%e8%b7%af","status":"publish","type":"post","link":"https:\/\/blog.y-lab.org\/?p=264","title":{"rendered":"PLL \u30af\u30ed\u30c3\u30af\u9013\u500d\u56de\u8def"},"content":{"rendered":"<p>\u30c7\u30a3\u30b8\u30bf\u30eb\u56de\u8def\u306e\u30af\u30ed\u30c3\u30af\u306f\u91cd\u8981\u3067\u3059\u304c\u3001\u3061\u3087\u3046\u3069\u3044\u3044\u6c34\u6676\u767a\u632f\u5b50\u304c\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u3068\u304d\u306a\u3069\u3001\u30af\u30ed\u30c3\u30af N \u9013\u500d\u5668\u304c\u3042\u308b\u3068\u4fbf\u5229\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u6700\u8fd1\u306f 21.48MHz (3.58MHz x6) \u306e\u6c34\u6676\u304c\u306a\u304f\u3001\u67d0\u6240\u3067\u4e2d\u56fd\u88fd\u306e\u6c34\u6676\u767a\u632f\u5b50\u3092\u8cfc\u5165\u3057\u305f\u3089\u305c\u3093\u305c\u3093\u9055\u3046\u5468\u6ce2\u6570\u3067\uff08\u57fa\u672c\u6ce2\u304b\u3089\u9055\u3046\uff09\u56f0\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\nPLL \u3092\u7d44\u3081\u3070 N \u9013\u500d\u3067\u304d\u307e\u3059\u304c\u3001\u3044\u307e\u3055\u3089 VCO + MC4044 \u3068\u3044\u3046\u7d44\u307f\u5408\u308f\u305b\u306e\u56de\u8def\u306f\u8a2d\u8a08\u304c\u9762\u5012\u3067\u3059\u3002<\/p>\n<h3>CY2308<\/h3>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/cy2308_data.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-265\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/cy2308_data-300x203.png\" alt=\"\" width=\"300\" height=\"203\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/cy2308_data-300x203.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/cy2308_data-624x423.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/cy2308_data.png 727w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\n\u6700\u8fd1 Cypress \u306e CY2308 (+IDT23S08) \u3068\u3044\u3046\u77f3\u3092\u305f\u304f\u3055\u3093\u624b\u306b\u5165\u308c\u307e\u3057\u305f\u3002<br \/>\n\u3053\u308c\u306f\u3082\u3068\u3082\u3068\u30af\u30ed\u30c3\u30af\u5206\u914d\u306e\u7528\u9014\u306b\u4f5c\u3089\u308c\u305f IC \u3067\u3059\u304c\u3001PLL \u3092\u5185\u8535\u3057\u3066\u304a\u308a\u3001\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u7aef\u5b50\u304c\u5916\u90e8\u306b\u51fa\u3066\u3044\u308b\u306e\u3067\u3001\u30c7\u30a3\u30d0\u30a4\u30c0\u3092\u5916\u4ed8\u3051\u3059\u308c\u3070\u624b\u8efd\u306a\u30af\u30ed\u30c3\u30af\u9013\u500d\u56de\u8def\u306b\u4f7f\u3048\u305d\u3046\u3067\u3059\u3002<br \/>\n\u305f\u3060\u3057\u51fa\u529b\u5468\u6ce2\u6570\u306f10-133MHz \u3068\u898f\u5b9a\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5165\u529b\u5468\u6ce2\u6570\u306e\u898f\u5b9a\u304c\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u79c1\u304c\u4f7f\u7528\u3059\u308b\u5468\u6ce2\u6570\u5e2f\u306f\u3060\u3044\u305f\u3044 1-30MHz \u306a\u306e\u3067\u3001\u3053\u306e\u7528\u9014\u3067\u4f7f\u3048\u308b\u304b\u3069\u3046\u304b\u306f\u57fa\u6e96\u5468\u6ce2\u6570\u3068\u767a\u632f\u5468\u6ce2\u6570\u306e\u4e0b\u9650\uff08PLL \u7279\u6027\u3067\u6c7a\u307e\u308b\uff09\u306b\u304b\u304b\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<h3>\u30c6\u30b9\u30c8\u56de\u8def<\/h3>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/CY2308_Multiplier_Circuit.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-276\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/CY2308_Multiplier_Circuit-300x225.png\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/CY2308_Multiplier_Circuit-300x225.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/CY2308_Multiplier_Circuit-768x576.png 768w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/CY2308_Multiplier_Circuit-1024x768.png 1024w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/CY2308_Multiplier_Circuit-624x468.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/CY2308_Multiplier_Circuit.png 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\u00a0<a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/e_170611_220023_0.jpg\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-267\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/e_170611_220023_0-300x229.jpg\" alt=\"\" width=\"300\" height=\"229\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/e_170611_220023_0-300x229.jpg 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/e_170611_220023_0.jpg 426w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\n\u3068\u3044\u3046\u308f\u3051\u3067\u30c6\u30b9\u30c8\u56de\u8def\u3092\u7d44\u3093\u3067\u307f\u307e\u3057\u305f\u3002<br \/>\n\u4f7f\u7528\u3057\u305f\u306e\u306f CY2308SC-2 \u306a\u306e\u3067 CLK \u3068 CLK\/2 \u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<br \/>\nCY2308 \u306e CLK\/2 \u307e\u305f\u306f CLK \u51fa\u529b\u3092 74ALS161 \u306e 1\/N \u5206\u5468\u5668\u3067\u5206\u5468\u3057\u3066 FBK \u7aef\u5b50\u306b\u623b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nFBK \u306e\u30c7\u30e5\u30fc\u30c6\u30a3\u306f 50% \u3067\u306a\u304f\u3066\u3082\u3044\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u57fa\u6e96\u5468\u6ce2\u6570\u306f TC40H000 \u3067\u767a\u632f\u3055\u305b\u305f 3.58MHz \u3067\u3001\u305d\u306e 1\/2 \u3068 1\/4 \u3082\u9078\u629e\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\u3001\u51fa\u529b\u5468\u6ce2\u6570\u306f fout = (3.58 \/ M) x N (x 2) MHz \u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u56de\u8def\u306e\u6700\u5927\u5468\u6ce2\u6570\u306f\u5206\u5468\u5668\u306b\u4f9d\u5b58\u3057\u307e\u3059\u304c\u3001CO &#8211; \/LD \u9593\u306b\u4f7f\u3063\u305f TC40H000 \u306e\u4f1d\u9054\u9045\u308c\u304c\u5927\u304d\u304f\u3001\u3053\u308c\u3092\u305f\u3068\u3048\u3070 74AS04 \u306a\u3069\u306b\u3059\u308c\u3070 CLKOUT = 80MHz \u4ee5\u4e0a\u51fa\u305b\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<h3>\u6ce2\u5f62<\/h3>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00010-1.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-271\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00010-1-300x219.png\" alt=\"\" width=\"300\" height=\"219\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00010-1-300x219.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00010-1.png 320w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>fREF = 3.58 MHz\u3001N=3 \u306e CLK \u51fa\u529b\u306f\u4e0a\u56f3\u3067\u3001CH1 \u304c CLKOUT \u4fe1\u53f7\u306e\u6ce2\u5f62\u3092\u793a\u3057\u3066\u3044\u307e\u3059\uff08\u4ee5\u4e0b\u540c\u3058\uff09\u3002\u3053\u306e\u7a0b\u5ea6\u306e REF \u5165\u529b\u306a\u3089\u554f\u984c\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00011-1.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-272\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00011-1-300x219.png\" alt=\"\" width=\"300\" height=\"219\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00011-1-300x219.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00011-1.png 320w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>fREF = 1.79 MHz, N=6 \u306e CLK \u51fa\u529b\u304c\u4e0a\u56f3\u3067\u3001fREF = 1.79 MHz \u306f\u307e\u3060\u5927\u4e08\u592b\u305d\u3046\u3067\u3059\u3002<br \/>\nfREF = 0.9MHz \u306b\u3059\u308b\u3068 CLK \u51fa\u529b\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308a\u307e\u3057\u305f\u3002\uff08\u753b\u50cf\u4fdd\u5b58\u5931\u6557\uff09<br \/>\n\u3088\u304f\u4f7f\u3046 4MHz \u3068\u304b 6MHz \u306e\u30af\u30ed\u30c3\u30af\u306a\u3089\u3001REF \u5165\u529b\u306b\u3057\u3066\u3082\u554f\u984c\u306a\u3055\u305d\u3046\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n<p>fREF = 1.79 MHz \u3067\u3069\u3053\u307e\u3067\u51fa\u529b\u5468\u6ce2\u6570\u3092\u4e0b\u3052\u3089\u308c\u308b\u304b\u3084\u3063\u3066\u307f\u307e\u3059\u3002<br \/>\n<a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00012.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-273\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00012-300x219.png\" alt=\"\" width=\"300\" height=\"219\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00012-300x219.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00012.png 320w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>N=3 \u3064\u307e\u308a fout = 5.37MHz \u306f\u307e\u3060\u5b89\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00013.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-274\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00013-300x219.png\" alt=\"\" width=\"300\" height=\"219\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00013-300x219.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00013.png 320w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>N=2 \u3064\u307e\u308a fout=3.58MHz \u3067\u306f\u51fa\u529b\u5468\u6ce2\u6570\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\n5.37 MHz \u3067 OK \u3068\u306f\u3044\u3048\u3001\u6e29\u5ea6\u5909\u5316\u3092\u8003\u3048\u308b\u3068\u3084\u306f\u308a\u51fa\u529b\u5468\u6ce2\u6570\u306f\u3067\u304d\u308b\u3060\u3051 10MHz \u4ee5\u4e0a\u306b\u8a2d\u5b9a\u3059\u308b\u3079\u304d\u3067\u3057\u3087\u3046\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00011.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-270\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00011-300x219.png\" alt=\"\" width=\"300\" height=\"219\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00011-300x219.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00011.png 320w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\u3000<a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00014.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-275\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00014-300x219.png\" alt=\"\" width=\"300\" height=\"219\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00014-300x219.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2017\/06\/ADS00014.png 320w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u3068\u308a\u3042\u3048\u305a\u6700\u521d\u306b\u307b\u3057\u304b\u3063\u305f 21.48MHz \u304c\u7c21\u5358\u306b\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u6e80\u8db3\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30c7\u30a3\u30b8\u30bf\u30eb\u56de\u8def\u306e\u30af\u30ed\u30c3\u30af\u306f\u91cd\u8981\u3067\u3059\u304c\u3001\u3061\u3087\u3046\u3069\u3044\u3044\u6c34\u6676\u767a\u632f\u5b50\u304c\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u3068\u304d\u306a\u3069\u3001\u30af\u30ed\u30c3\u30af N \u9013\u500d\u5668\u304c\u3042\u308b\u3068\u4fbf\u5229\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u6700\u8fd1\u306f 21.48MHz (3.58MHz x6) \u306e\u6c34\u6676\u304c\u306a\u304f\u3001\u67d0\u6240\u3067\u4e2d\u56fd\u88fd\u306e\u6c34 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/posts\/264"}],"collection":[{"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=264"}],"version-history":[{"count":7,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/posts\/264\/revisions"}],"predecessor-version":[{"id":283,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/posts\/264\/revisions\/283"}],"wp:attachment":[{"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=264"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=264"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}