{"id":3577,"date":"2021-02-28T16:00:00","date_gmt":"2021-02-28T07:00:00","guid":{"rendered":"https:\/\/na-3.com\/wp_na-blog\/?p=3577"},"modified":"2021-03-12T11:34:39","modified_gmt":"2021-03-12T02:34:39","slug":"catv%e5%b7%a5%e4%ba%8b%e3%83%a1%e3%83%a2","status":"publish","type":"post","link":"https:\/\/na-3.com\/wp_na-blog\/2021\/02\/28\/catv%e5%b7%a5%e4%ba%8b%e3%83%a1%e3%83%a2\/","title":{"rendered":"CATV\u5de5\u4e8b\u30e1\u30e2"},"content":{"rendered":"\n

\u30b1\u30fc\u30d6\u30eb\u30c6\u30ec\u30d3\u4f1a\u793e\u306e\u90fd\u5408\u3067\u540c\u8ef8\u5f15\u304d\u8fbc\u307f\u304b\u3089\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5f15\u304d\u8fbc\u307f\u306b\u5909\u66f4\u306b\u306a\u3063\u305f\u3002\u3082\u3061\u308d\u3093\u5de5\u4e8b\u8cbb\u306f\u7121\u6599\u3060\u304c,1\u5e74\u5f8c\u304b\u3089\u8996\u8074\u6599\u304c1,000\u5186\u304b\u30891,500\u5186\u306b\u5024\u4e0a\u304c\u308a\u3059\u308b\u3002\u75db\u3044!
\u4eca\u307e\u3067\u306f\u6700\u4f4e\u9650\u306e\u30d7\u30e9\u30f3\u3067\u5951\u7d04\u3057\u3066\u3044\u3066\uff0c\u5730\u30c7\u30b8\u306e\u307f\u306e\u8996\u8074\u3067\u3088\u304b\u3063\u305f\u304c,BS\u30d1\u30b9\u30b9\u30eb\u30fc\u3067BS\u4fe1\u53f7\u3082\u4e57\u3063\u304b\u3063\u3066\u304f\u308b\u3088\u3046\u3060\u3002
BS\/CS\u306f\u30d1\u30e9\u30dc\u30e9\u3092\u8a2d\u7f6e\u3057\u3066\u30b1\u30fc\u30d6\u30eb\u30c6\u30ec\u30d3\u3068\u306f\u5225\u30eb\u30fc\u30c8\u3067\u5f15\u304d\u8fbc\u3093\u3067\u3044\u308b\u306e\u3067\u4e0d\u8981\u306a\u306e\u3060\u304c\uff0c\u5c40\u306e\u307b\u3046\u3067,BS\u4fe1\u53f7\u3092\u505c\u6b62\u3082\u51fa\u6765\u308b\u304c\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u7528\u306b\u305d\u306e\u307e\u307e\u3068\u3059\u308b\u3002
\u4eca\u307e\u3067\u30d6\u30fc\u30b9\u30bf\u30fc\u3092\u8a2d\u7f6e\u3057\u3066\u3044\u305f\u304c,\u4eca\u56de\u8a2d\u7f6e\u306e\u5149\u53d7\u4fe1\u6a5f\u5074\u306e\u4fe1\u53f7\u30ec\u30d9\u30eb\u304c\u4e0a\u304c\u308b\uff08ATT\u30920dB\u3067\uff09\u306e\u3067\u4e0d\u8981\u306b\u306a\u308b\u3068\u5de5\u4e8b\u62c5\u5f53\u8005\u304b\u3089\u805e\u3044\u305f\u304c,\u30d6\u30fc\u30b9\u30bf\u30fc\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002\u30d6\u30fc\u30b9\u30bf\u30fc\u306e\u5165\u529b\u3067UV\u3068BS\/CS\u304c\u3042\u308b\u304c,UV\u306e\u307f\u306b\u63a5\u7d9a\u3057\u3066BS\/CS\u306f\u7a7a\u3051\u3066\u304a\u304f\u3053\u3068\u3067\u30d6\u30fc\u30b9\u30bf\u30fc\u3067BS\u4fe1\u53f7\u3092\u30ab\u30c3\u30c8(\u6e1b\u8870)\u3059\u308b\u3002<\/p>\n\n\n\n

\"\"<\/a><\/figure>
\n

\u5149\u53d7\u4fe1\u6a5f\u7528\u96fb\u6e90\uff08\u5c4b\u5185\u8a2d\u7f6e\uff09<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/a><\/figure>
\n

\u5149\u53d7\u4fe1\u6a5f\uff08\u5c4b\u5916\u8a2d\u7f6e\uff09<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/a><\/figure>
\n

\u5149\u53d7\u4fe1\u6a5f\u540d\u677f<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/a><\/figure>
\n

\u5149\u53d7\u4fe1\u6a5f\u5185\u90e8<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/a><\/figure>
\n

\u5149\u53d7\u4fe1\u6a5f\u5185\u90e8\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf<\/p>\n\n\n\n

15dB\u5074\u306b\u3057\u3066\u4fe1\u53f7\u5f37\u5ea6\u3092\u843d\u3068\u3057\u3066\uff0c\u5c4b\u5185\u8a2d\u7f6e\u306e\u30d6\u30fc\u30b9\u30bf\u30fc\u3067\u5897\u5e45\u3057\u3066\u3044\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n

<\/p>\n\n\n\n

CATV\u3092\u5206\u6ce2\u5668\u3067\u5206\u3051\u3066\uff0c\u30d6\u30fc\u30b9\u30bf\u30fc\u306eUV\u3068BS\/CS\u306b\u5165\u308c\u3066\u30c6\u30ec\u30d3\u306e\u5730\u30c7\u30b8\u30e9\u30a4\u30f3\u2461<\/strong>\u306bBS\u4fe1\u53f7\u3082\u4e57\u3063\u3051\u3066\u307f\u305f\u3002\uff34\uff36\u5074\u306e\u5206\u6ce2\u5668\u3067\u554f\u984c\u306a\u304f\u8996\u8074\u3067\u304d\u308b\u304c\uff0cCS\u304c\u6620\u3089\u306a\u3044\u306e\u3067\u3042\u304f\u307e\u3067\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u7528\u3068\u3059\u308b\u3002\u9006\u306bBS\/CS\u30e9\u30a4\u30f3\u2460<\/strong>\u306bCATV\u5730\u30c7\u30b8\u3092\u4e57\u305b\u308b\u306b\u306fBS\u3092\u30ab\u30c3\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002BS\/CS\u30e9\u30a4\u30f3\u2460<\/strong>\u306b\u6df7\u5408\u5668\u3092\u4ecb\u3057\u3066CATV\u5730\u30c7\u30b8\u3092\u4e57\u305b\u308c\u3070\uff0c\u6df7\u5408\u5668\u3067\u30b1\u30fc\u30d6\u30eb\u30c6\u30ec\u30d3\u306e\uff22\uff33\u4fe1\u53f7\u304c\u30ab\u30c3\u30c8\u3055\u308c\u3066\u554f\u984c\u306a\u304f\u8996\u8074\u3067\u304d\u308b\u3002\u30ec\u30d9\u30eb\u3092\u6e2c\u5b9a\u3059\u308b\u3068\u3084\u3084\u554f\u984c\u304c\u3042\u3063\u305f\u3002<\/p>\n\n\n\n

BS\u30fbCS\u3000\u3000\u3000\u3000\u3000
 \uff3c\u250c\u2500\u2500\u2510\u3000\u3000\u3000BS\u30fbCS\u3000 \u3000\u3000\u3000\u3000\u3000\u3000
 \u3000) \uff3c \uff5c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500|\uff3c\u3000\u3000\u3000\u3000\u3000\u3000BS\/CS
 \uff0f\u2514\u2500\u2500\u2518\u3000\u3000\u3000\u3000\u3000\u3000|\u3000 >\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\uff3c
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000|\uff0f\u30d6\u30fc\u30b9\u30bf\u3000\u3000\u3000\u3000\u3000\u3007\u2500\u2500\u2500\u2500\u2500 BS\/CS+(UHF)\u3000\u3000\u2460<\/strong>
CATV(UHF+BS)\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u250c\u2500\u2500\u2500\u2500\uff0f\u3000\u6df7\u5408\u5668\u3000
\u2500\u252c\u2500\u3000\u3000\u3000\u3000\u3000UHF\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u2502\u3000UHF\u3000(BS\u306f\u30ab\u30c3\u30c8)
\u3000\u2502\u3000\u3000\u3000\u3000 \u250c\u2500\u2500\u2500|\uff3c\u3000\u3000\u3000\u3000\u3000\u3000\u2502\u3000
\u3000\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u3007\u3000\u3000|\u3000 >\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u3007\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 UHF+(BS)\u3000\u3000\u3000\u2461<\/strong>
\u3000\u3000\u3000\u5206\u6ce2\u5668\u2514\u2500\u2500\u2500|\uff0f\u30d6\u30fc\u30b9\u30bf\u3000\u5206\u914d\u5668
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000BS<\/p>\n\n\n\n

\u672b\u7aef\u6e2c\u5b9a
\u30dd\u30a4\u30f3\u30c8<\/td>		\uff23\uff28<\/td>\u30ec\u30d9\u30eb(dBuV)<\/td>MER
<\/td>		C\/N(dB)<\/td>BER<\/td><\/tr>
\u2460<\/td>UHF28<\/td>60.2<\/td>>30<\/td>\uff0d<\/td>0.00E+00<\/td><\/tr>
\u2460<\/td>BS23<\/td>63.8<\/td>\uff0d<\/td>22.0<\/td>0.00E+00<\/td><\/tr>
\u2460<\/td>ND24<\/td>58.0<\/td>\uff0d<\/td>22.4<\/td>0.00E+00<\/td><\/tr>
\u2461<\/td>UHF28<\/td>62.7<\/td>>30<\/td>\uff0d<\/td>0.00E+00<\/td><\/tr>
\u2461<\/td>BS23<\/td>45.5<\/span><\/em><\/strong><\/td>\uff0d<\/td>18.1<\/span><\/em><\/strong><\/td>0.00E+00<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u2461\u306eBS23\u306e\u30ec\u30d9\u30eb\u3068C\/N\u304c\u4f4e\u304f\u57fa\u6e96\u4ee5\u4e0b\u3002\u2461\u306e\u540c\u8ef8\u30b1\u30fc\u30d6\u30eb\u306f\u53e4\u3044\u30bf\u30a4\u30d7(5CFV)\u306a\u306e\u3067\u6e1b\u8870\u304c\u591a\u304fBS\u306b\u306f\u9069\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u5f53\u305f\u308a\u524d\u3060\u3002\u2460\u306f\u5f8c\u304b\u3089\u6577\u8a2d\u3057\u305f\u540c\u8ef8\u30b1\u30fc\u30d6\u30eb(S5CFB)\u306a\u306e\u3067\u554f\u984c\u306a\u3057\u3002\u5149\u53d7\u4fe1\u6a5f\u5185\u90e8\u306e\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf\u30fc15dB\u3092\u5916\u3057\u3066\uff0c\u30d6\u30fc\u30b9\u30bf\u30fc\u5074\u3067\u8abf\u6574\u3067\u304d\u306a\u3044\u304b\u4eca\u5ea6\u3084\u3063\u3066\u307f\u3088\u3046\u3068\u601d\u3046\u304c\uff0c\u3042\u304f\u307e\u3067\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u7528\u306a\u306e\u3067\u3053\u308c\u3067\u3082\u554f\u984c\u306a\u3044\u306e\u3060\u304c\u3002<\/p>\n\n\n\n

\u203b\u5149\u53d7\u4fe1\u6a5f\u306e\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf\u30fc15\uff44\uff22\u3092\u5916\u3057\u3066\uff0c\u30d6\u30fc\u30b9\u30bf\u30fc\u5074\u3067UHF\u309210\uff44\uff22\u843d\u3068\u3057\u3066\u307f\u305f\u3089\u3044\u3044\u611f\u3058\u306e\u5024\u306b\u306a\u3063\u305f\u3002\u5149\u53d7\u4fe1\u6a5f\u304b\u3089\u30d6\u30fc\u30b9\u30bf\u30fc\u307e\u3067\u306e\u8ddd\u96e2\u304c10\uff4d\u7a0b\u3042\u308b\u306e\u3067\uff0c\u305d\u306e\u9593\u306e\u6e1b\u8870\u306e\u5f71\u97ff\u304c\u3042\u308b\u306e\u304b\u3082\u3002<\/p>\n\n\n\n

\u672b\u7aef\u6e2c\u5b9a
\u30dd\u30a4\u30f3\u30c8<\/td>		\uff23\uff28<\/td>\u30ec\u30d9\u30eb(dBuV)<\/td>MER
<\/td>		C\/N(dB)<\/td>BER<\/td><\/tr>
\u24612F\u672b\u7aef<\/td>UHF28<\/td>68.2<\/td>>30<\/td>\uff0d<\/td>0.00E+00<\/td><\/tr>
\u24612F\u672b\u7aef<\/td>BS23<\/td>61.4<\/td>\uff0d<\/td>20.7<\/td>0.00E+00<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4f7f\u7528\u3057\u305f\u6a5f\u6750<\/p>\n\n\n\n

DX\u30a2\u30f3\u30c6\u30ca \u30c7\u30b8\u30bf\u30eb\u30ec\u30d9\u30eb\u30c1\u30a7\u30c3\u30ab\u30fc \u5730\u30c7\u30b8 BS CS LTE \u5bfe\u5fdc\u30102K 4K 8K \u5bfe\u5fdc\u3011 LC60WS<\/a><\/p>\n\n\n\n

DX\u30a2\u30f3\u30c6\u30ca \u5206\u914d\u5668 \u30102K 4K 8K \u5bfe\u5fdc\u3011 2\u5206\u914d 1\u7aef\u5b50\u901a\u96fb\u5f62 \u91d1\u30e1\u30c3\u30ad\u30d7\u30e9\u30b0 F\u578b\u7aef\u5b50 \u30c0\u30a4\u30ab\u30b9\u30c8\u88fd\u9ad8\u30b7\u30fc\u30eb\u30c9\u69cb\u9020 2DMS(P)<\/a><\/p>\n\n\n\n

DX\u30a2\u30f3\u30c6\u30ca \u6df7\u5408\u5206\u6ce2\u5668 \u30102K 4K 8K \u5bfe\u5fdc\u3011 CS\/BS-IF(2610MHz)+UHF\u30fbFM(CATV)\u5bfe\u5fdc \u9ad8\u30b7\u30fc\u30eb\u30c9\u69cb\u9020 MBUMS<\/a><\/p>\n\n\n\n

DX\u30a2\u30f3\u30c6\u30ca \u5206\u6ce2\u5668 \u30102K 4K 8K \u5bfe\u5fdc\u3011 \u51fa\u529b\u5074\u30b1\u30fc\u30d6\u30eb\u4ed8\u5168\u7aef\u5b50\u901a\u96fb\u5f62 F\u578b 0.5m \u30d6\u30e9\u30c3\u30af MBUMWSB(B)<\/a><\/p>\n\n\n\n

\u30d6\u30fc\u30b9\u30bf\u30fc\u306f\u53e4\u3044\u30bf\u30a4\u30d7\u306a\u306e\u3067\u6700\u65b0\u304c\u51fa\u3066\u3044\u308b\u3002
CATV\u7528\u3000DX\u30a2\u30f3\u30c6\u30ca UHF\u30fbBS\/CS-IF\u5e2f\u7528\u30d6\u30fc\u30b9\u30bf GCU33L1 GCU33L1<\/a>
CS\/BS\u7528\u3000DX\u30a2\u30f3\u30c6\u30ca CS\/BS-IF\u30fbUHF\u30d6\u30fc\u30b9\u30bf\u30fc 41dB\u5f62 GCU41L2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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