{"id":293,"date":"2022-08-23T15:50:46","date_gmt":"2022-08-23T07:50:46","guid":{"rendered":"https:\/\/note.dayday.work\/?p=293"},"modified":"2022-08-23T15:50:46","modified_gmt":"2022-08-23T07:50:46","slug":"sdr%e5%a2%9e%e5%8a%a0am-bandstop-am-notch","status":"publish","type":"post","link":"https:\/\/note.dayday.work\/?p=293","title":{"rendered":"SDR\u589e\u52a0AM Bandstop (AM notch)"},"content":{"rendered":"\n

\u524d\u8ff0<\/h2>\n

\u70baSDR\u589e\u52a0AM \u6ffe\u6ce2\u5668\uff0c\u4e3b\u8981\u662f\u8981\u6ffe\u9664MW \u4e2d\u6ce2\u5ee3\u6ce2\u983b\u9053\u3002
<\/span>\u56e0\u70ba\u6709\u5169\u500b\u5929\u7dda\u5ee3\u64ad\u5854\u7d93\u67e5\u8a62\u5f8c\u70ba3\u5343\u74e6\uff0c\u96e2\u6211\u7686\u76f8\u8ddd1.5KM\u5de6\u53f3\uff0c\u9020\u6210SDR\u904e\u8f09\u3002
\u4f7f\u7528\u7684\u5929\u7dda\u662f K-180WLA \u6709\u6e90\u74b0\u5f62\u5929\u7dda
\"k180wla\"<\/a><\/span>

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

\u96fb\u81fa\u540d\u7a31<\/th>\u983b\u7387(kHz)<\/th>\u96fb\u81fa\u985e\u5225<\/th><\/tr><\/thead>
\u6c11\u672c\u5ee3\u64ad\u96fb\u81fa\u7b2c\u4e8c\u5ee3\u64ad\u90e8\u5206<\/td>855<\/td>\u7532<\/td><\/tr>
\u81fa\u7063\u5ee3\u64ad\u516c\u53f8\u81fa\u5317\u5ee3\u64ad\u96fb\u81fa\u7b2c\u4e8c\u5ee3\u64ad\u90e8\u4efd<\/td>1188<\/td>\u7532<\/td><\/tr>
\u6c11\u672c\u5ee3\u64ad\u96fb\u81fa\u7b2c\u4e00\u5ee3\u64ad\u90e8\u5206<\/td>1296<\/td>\u7532<\/td><\/tr>
\u81fa\u7063\u5ee3\u64ad\u516c\u53f8\u81fa\u5317\u5ee3\u64ad\u96fb\u81fa\u7b2c\u4e00\u5ee3\u64ad\u90e8\u4efd<\/td>1323<\/td>\u7532<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u96fb\u53f0\u985e\u5225<\/span><\/td>\n\u529f\u7387\u9650\u5236<\/span><\/td>\n<\/tr>\n
\u8abf\u5e45\u5ee3\u64ad\u96fb\u81fa(AM)<\/span><\/td>\n\u7532\u985e\uff08\u5c0f\u529f\u7387\uff09<\/span><\/td>\n\u767c\u5c04\u6a5f\u8f38\u51fa\u96fb\u529f\u7387\u70ba\u4e09\u5343\u74e6\u7279\u4ee5\u4e0b<\/span><\/td>\n<\/tr>\n
\u4e59\u985e\uff08\u4e2d\u529f\u7387\uff09<\/span><\/td>\n\u767c\u5c04\u6a5f\u8f38\u51fa\u96fb\u529f\u7387\u70ba\u4e94\u5343\u74e6\u7279\u4ee5\u4e0b<\/span><\/td>\n<\/tr>\n
\u4e19\u985e\uff08\u5927\u529f\u7387\uff09<\/span><\/td>\n\u767c\u5c04\u6a5f\u8f38\u51fa\u96fb\u529f\u7387\u5f97\u70ba\u4e94\u5343\u74e6\u7279\u4ee5\u4e0a<\/span><\/td>\n<\/tr>\n
\u8abf\u983b\u5ee3\u64ad\u96fb\u81fa(FM)<\/span><\/td>\n\u7532\u985e\uff08\u5c0f\u529f\u7387\uff09<\/span><\/td>\n\u767c\u5c04\u6a5f\u8f38\u51fa\u96fb\u529f\u7387\u82b1\u6771\u53ca\u5916\u5cf6\u5730\u5340\u70ba\u4e00\u5343\u4e94\u767e\u74e6\u7279\u4ee5\u4e0b\uff0c\u5176\u4ed6\u5730\u5340\u70ba\u4e03\u767e\u4e94\u5341\u74e6\u7279\u4ee5\u4e0b<\/span><\/td>\n<\/tr>\n
\u4e59\u985e\uff08\u4e2d\u529f\u7387\uff09<\/span><\/td>\n\u767c\u5c04\u6a5f\u8f38\u51fa\u96fb\u529f\u7387\u70ba\u4e09\u5343\u74e6\u7279\u4ee5\u4e0b<\/span><\/td>\n<\/tr>\n
\u4e19\u985e\uff08\u5927\u529f\u7387\uff09<\/span><\/td>\n\u767c\u5c04\u6a5f\u8f38\u51fa\u96fb\u529f\u7387\u70ba\u4e09\u5341\u5343\u74e6\u7279\u4ee5\u4e0b<\/span><\/td>\n<\/tr>\n
\u96fb\u8996\u96fb\u81fa<\/span><\/td>\n\u5168\u5340\u7121\u7dda\u96fb\u8996\u96fb\u81fa<\/span><\/td>\n\u767c\u5c04\u6a5f\u8f38\u51fa\u96fb\u529f\u7387\u70ba\u4e09\u5341\u5343\u74e6\u7279\u4ee5\u4e0b<\/span><\/td>\n<\/tr>\n
\u5730\u5340\u7121\u7dda\u96fb\u8996\u96fb\u81fa<\/span><\/td>\n\u767c\u5c04\u6a5f\u8f38\u51fa\u96fb\u529f\u7387\u70ba\u4e09\u5343\u74e6\u7279\u4ee5\u4e0b<\/span><\/td>\n<\/tr>\n
\u6539\u5584\u6536\u8996\u4e0d\u826f\u7121\u7dda\u96fb\u8996\u96fb\u81fa<\/span><\/td>\n\u767c\u5c04\u6a5f\u8f38\u51fa\u96fb\u529f\u7387\u70ba\u4e09\u5341\u5343\u74e6\u7279\u4ee5\u4e0b<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n
\"\"
\u6c11\u672c\u5ee3\u64ad\u96fb\u81fa 3KW<\/figcaption><\/figure><\/div>\n\n\n\n
\"\"
\u81fa\u7063\u5ee3\u64ad\u516c\u53f8 3KW<\/figcaption><\/figure><\/div>\n\n\n\n

\u8a2d\u5099<\/h2>\n

\"\"<\/span>\u63a1\u7528Distill:AM Barebones – Broadcast AM Bandstop (Notch) Filter
\u9019\u662f\u4e00\u500b AM \u5e36\u963b\/\u9677\u6ce2\u6ffe\u6ce2\u5668\uff0c\u5b83\u6703\u62d2\u7d55 AM \u983b\u6bb5\u983b\u7387\uff0c
\u4f46\u5141\u8a31\u9ad8\u65bc\u548c\u4f4e\u65bc\u7684\u983b\u7387\u6b63\u5e38\u5730\u901a\u904e
<\/span>\u963b\u65b7500-1700 khz\u00a0<\/span>\u4f46\u662f\u6548\u679c\u7d04\u662f-25dB<\/span><\/p>\n

\"\"<\/a><\/p>\n

\"\"<\/a> \"\"<\/a>\u8cc7\u6599\u4f86\u6e90amazon \u8cb7\u5bb6\u6e2c\u8a66<\/p>\n\n\n\n

\u6548\u679c<\/h2>\n

\u611f\u89ba\u6709\u5728\u5de5\u4f5c\u4f46\u4e0d\u662f\u5f88\u6eff\u610f\uff0c\u53ef\u80fd\u4e32\u806f2\u500b\u6703\u6bd4\u8f03\u597d?
\u6291\u6216\u8005\u662f\u9078\u64c7\u5176\u4ed6\u7684\u6ffe\u6ce2\u5668\u6216DIY\u5c6c\u65bc\u81ea\u5df1\u5c08\u7528\u7684<\/p>\n

\u6bd4\u8f03\u5716
LNA \u95dc
\"\"<\/a>\"\"<\/a>
\"\"<\/a>
LNA\u958b
\"\"<\/a>\"\"<\/a>
\"\"<\/a>

<\/h3>\n\n\n\n

\u53c3\u8003\u8cc7\u6599<\/h2>\n

https:\/\/www.qsl.net\/kp4md\/mwfilter.htm
<\/a>Amazon<\/a>
\u8abf\u5e45\u5ee3\u64adwiki<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u524d\u8ff0 \u70baSDR\u589e\u52a0AM \u6ffe\u6ce2\u5668\uff0c\u4e3b\u8981\u662f\u8981\u6ffe\u9664MW \u4e2d\u6ce2\u5ee3\u6ce2\u983b\u9053\u3002\u56e0\u70ba\u6709\u5169\u500b\u5929\u7dda\u5ee3\u64ad\u5854\u7d93\u67e5\u8a62\u5f8c\u70ba3\u5343\u74e6\uff0c\u96e2\u6211\u7686\u76f8 … [Read more…]<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[6,5],"tags":[],"_links":{"self":[{"href":"https:\/\/note.dayday.work\/index.php?rest_route=\/wp\/v2\/posts\/293"}],"collection":[{"href":"https:\/\/note.dayday.work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/note.dayday.work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/note.dayday.work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/note.dayday.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=293"}],"version-history":[{"count":10,"href":"https:\/\/note.dayday.work\/index.php?rest_route=\/wp\/v2\/posts\/293\/revisions"}],"predecessor-version":[{"id":315,"href":"https:\/\/note.dayday.work\/index.php?rest_route=\/wp\/v2\/posts\/293\/revisions\/315"}],"wp:attachment":[{"href":"https:\/\/note.dayday.work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/note.dayday.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/note.dayday.work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}