{"id":131,"date":"2026-06-05T13:05:18","date_gmt":"2026-06-05T05:05:18","guid":{"rendered":"http:\/\/www.timesyncfreq.com\/?page_id=131"},"modified":"2026-07-26T13:42:21","modified_gmt":"2026-07-26T05:42:21","slug":"fst725","status":"publish","type":"page","link":"http:\/\/www.timesyncfreq.com\/index.php\/products\/standard\/fst725\/","title":{"rendered":"\u9ad8\u7cbe\u5ea6\u94f7\u539f\u5b50\u9891\u7387\u6807\u51c6\uff08\u684c\u9762\u5f0f\uff09"},"content":{"rendered":"\n
\n\n \n
\n

FST725 \u9ad8\u7cbe\u5ea6\u9891\u7387\u6807\u51c6<\/h1>\n

\u534a\u5bbd 2U \u673a\u7bb1 \u00b7 \u5185\u7f6e\u94f7\u539f\u5b50\u949f \u00b7 GNSS \u9a6f\u670d \u00b7 \u5b9e\u9a8c\u5ba4\/\u6821\u51c6\/\u7814\u53d1\u9996\u9009<\/p>\n

\u4e3a\u6821\u51c6\u4e0e\u7814\u53d1\u5b9e\u9a8c\u5ba4\u63d0\u4f9b\u9ad8\u7cbe\u5ea6\u9891\u7387\u6807\u51c6<\/p>\n

\n \u83b7\u53d6\u62a5\u4ef7<\/a>\n \u67e5\u770b\u5b8c\u6574\u89c4\u683c<\/a>\n \u9009\u578b\u5bf9\u6bd4<\/a>\n <\/div>\n
\n \u2705 \u79d2\u7a33 \u2264 3E-13<\/span>\n \u2705 1Hz \u76f8\u4f4d\u566a\u58f0 \u2264 -115dBc\/Hz<\/span>\n \u2705 \u65e5\u8001\u5316\u7387 \u2264 5E-12<\/span>\n \u2705 12 \u8def 10MHz \/ 6 \u8def 5MHz \/ 4 \u8def PPS<\/span>\n <\/div>\n <\/div>\n\n \n
\n\"FST725\u9ad8\u7cbe\u5ea6\u9891\u7387\u6807\u51c6\"\n

\u4ea7\u54c1\u6982\u8ff0<\/h2>\n

FST725 \u662f\u5317\u4eac\u65f6\u95f4\u9891\u7387\u79d1\u6280\u6709\u9650\u516c\u53f8\u5f00\u53d1\u7684\u4e00\u6b3e\u9ad8\u7cbe\u5ea6\u94f7\u539f\u5b50\u949f\u9891\u7387\u6807\u51c6\u3002\u5728\u4e00\u4e2a\u7d27\u51d1\u7684\u534a\u5bbd 2U \u673a\u7bb1<\/strong>\u4e2d\uff0c\u96c6\u6210\u4e86\u9ad8\u7cbe\u5ea6\u94f7\u539f\u5b50\u949f\u3001\u8d85\u4f4e\u566a\u58f0\u53cc\u6052\u6e29\u6676\u4f53\u632f\u8361\u5668\uff08OCXO\uff09\u3001\u8d85\u4f4e\u566a\u58f0\u6570\u5b57\u9501\u76f8\u73af\uff08DPLL\uff09\u3001\u4f4e\u566a\u58f0\u9694\u79bb\u653e\u5927\u5668\u3001GNSS \u63a5\u6536\u673a\u4ee5\u53ca\u4f4e\u566a\u58f0\u7a33\u538b\u7535\u6e90\uff0c\u63d0\u4f9b\u7a33\u5b9a\u53ef\u9760\u4e14\u4f18\u5f02\u7684\u6027\u80fd\u3002FST725 \u662f\u4efb\u4f55\u9700\u8981\u7cbe\u5bc6\u9891\u7387\u6807\u51c6\u7684\u7406\u60f3\u4eea\u5668\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u6821\u51c6\u548c\u7814\u53d1\u5b9e\u9a8c\u5ba4\u3002<\/p>\n

FST725 \u5185\u90e8\u96c6\u6210\u6709\u5317\u4eac\u65f6\u95f4\u9891\u7387\u79d1\u6280\u6709\u9650\u516c\u53f8\u6838\u5fc3\u6280\u672f\uff0c\u5229\u7528GNSS\u536b\u661fPPS\u4e0e\u94f7\u539f\u5b50\u949f\u878d\u5408\u9501\u5b9a\u9ad8\u7a33\u6676\u632f\uff0c\u4f7f\u5f97\u6700\u7ec8\u8f93\u51fa\u5177\u6709\u6781\u5176\u4f18\u5f02\u7684\u77ed\u671f\u7a33\u5b9a\u548c\u4e2d\u957f\u671f\u7a33\u5b9a\u5ea6\uff0c\u4e3a\u60a8\u7684\u8bbe\u5907\u63d0\u4f9b\u57fa\u7840\u52a9\u529b\u3002<\/p>\n\"FST725\u9ad8\u7cbe\u5ea6\u9891\u7387\u6807\u51c6\" <\/div>\n\n \n

\n
\n
\u23f1\ufe0f<\/div>\n
\u79d2\u7a33 (\u827e\u4f26\u65b9\u5dee)<\/div>\n
\u2264 3E-13<\/div>\n
(C \u7248 < 2E-13)<\/div>\n <\/div>\n
\n
\ud83d\udd0a<\/div>\n
1Hz \u76f8\u4f4d\u566a\u58f0<\/div>\n
\u2264 -115dBc\/Hz<\/div>\n
(C \u7248)<\/div>\n <\/div>\n
\n
\ud83d\udce1<\/div>\n
\u6388\u65f6\u7cbe\u5ea6<\/div>\n
< 10ns<\/div>\n
GNSS \u9a6f\u670d<\/div>\n <\/div>\n
\n
\ud83d\udd0b<\/div>\n
\u5b88\u65f6\u7cbe\u5ea6<\/div>\n
< 500ns \/ 24h<\/div>\n
\u94f7\u539f\u5b50\u949f\u81ea\u4e3b\u5b88\u65f6<\/div>\n <\/div>\n <\/div>\n\n \n
\n

\u7248\u672c\u9009\u578b<\/h2>\n

FST725 \u63d0\u4f9b\u591a\u79cd\u6027\u80fd\u9009\u9879\uff0c\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u7684\u7cbe\u5ea6\u4e0e\u6210\u672c\u9700\u6c42<\/p>\n

\n \n \n \n \n \n \n \n \n \n
\u7248\u672c<\/th>\n \u79d2\u7a33 @1s<\/th>\n 1Hz \u76f8\u4f4d\u566a\u58f0<\/th>\n \u5929\u8001\u5316\u7387<\/th>\n \u5178\u578b\u5e94\u7528<\/th>\n \u53c2\u8003\u4ef7<\/th>\n <\/tr>\n <\/thead>\n
FST725
(\u6807\u51c6\u7248)<\/span><\/strong><\/td>\n 		< 3E-11<\/td>\n < -80dBc\/Hz<\/td>\n < 5E-12<\/td>\n \u901a\u7528\u5b9e\u9a8c\u5ba4\u3001\u751f\u4ea7\u6d4b\u8bd5<\/td>\n \u00a526,000<\/td>\n <\/tr>\n
FST725A
(\u666e\u901aVCO\u7248)<\/span><\/strong><\/td>\n 		< 2E-12<\/td>\n < -95dBc\/Hz<\/td>\n < 5E-12<\/td>\n \u901a\u7528\u5b9e\u9a8c\u5ba4\u3001\u751f\u4ea7\u6d4b\u8bd5<\/td>\n <\/td>\n <\/tr>\n
FST725B
(\u9ad8\u7a33\u7248)<\/span><\/strong><\/td>\n 		< 5E-13<\/td>\n < -110dBc\/Hz<\/td>\n < 5E-12<\/td>\n \u8ba1\u91cf\u6821\u51c6\u3001\u79d1\u7814<\/td>\n <\/td>\n <\/tr>\n
FST725C
(\u751a\u9ad8\u7a33\/\u4f4e\u76f8\u566a\u7248)<\/span><\/strong><\/td>\n 		< 2E-13<\/td>\n < -115dBc\/Hz<\/td>\n < 5E-12<\/td>\n \u91cf\u5b50\u8ba1\u7b97\u3001\u96f7\u8fbe\u3001\u822a\u5929\u6d4b\u63a7<\/td>\n <\/td>\n <\/tr>\n
\u7528\u6237\u81ea\u5b9a\u4e49<\/strong><\/td>\n \u53ef\u9009\u914d\uff1a\u8f93\u51fa\u8def\u6570\u3001\u76f8\u4f4d\u566a\u58f0\u3001\u7a33\u5b9a\u5ea6\u7b49\u7ea7<\/td>\n \u8be6\u8be2\u62a5\u4ef7<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n
\n \u83b7\u53d6\u62a5\u4ef7<\/a>\n \u4e0b\u8f7d\u5b8c\u6574\u9009\u578b\u8868<\/a>\n <\/div>\n <\/div>\n\n\n
\n

\ud83d\udccb \u8be6\u7ec6\u6280\u672f\u89c4\u683c<\/h2>\n\n \n
\n

\ud83d\udcc8 10MHz \u8f93\u51fa<\/h3>\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\u9879\u76ee<\/th>\n \u6807\u6746\u6307\u6807\uff08\u9009\u578bC\uff09\u9644\u5e26\u8ba1\u91cf\u8bc1\u4e66<\/th>\n \u9009\u578bA<\/th>\n \u9009\u578bB<\/th>\n <\/tr>\n <\/thead>\n
\u5e45\u5ea6<\/td>\n +7dBm \u00b1 2dB<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @1Hz<\/td>\n \u2264 -115dBc\/Hz<\/td>\n \u2264 -95dBc\/Hz<\/td>\n \u2264 -110dBc\/Hz<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @10Hz<\/td>\n \u2264 -140dBc\/Hz<\/td>\n \u2264 -136dBc\/Hz<\/td>\n \u2264 -138dBc\/Hz<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @100Hz<\/td>\n \u2264 -150dBc\/Hz<\/td>\n \u2264 -148dBc\/Hz<\/td>\n \u2264 -150dBc\/Hz<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @1kHz<\/td>\n \u2264 -160dBc\/Hz<\/td>\n \u2264 -155dBc\/Hz<\/td>\n \u2264 -155dBc\/Hz<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @10kHz<\/td>\n \u2264 -160dBc\/Hz<\/td>\n \u2264 -157dBc\/Hz<\/td>\n \u2264 -160dBc\/Hz<\/td>\n <\/tr>\n
\u827e\u4f26\u65b9\u5dee @1s<\/td>\n \u2264 2\u00d710\u207b\u00b9\u00b3<\/td>\n \u2264 2\u00d710\u207b\u00b9\u00b2<\/td>\n \u2264 5\u00d710\u207b\u00b9\u00b3<\/td>\n <\/tr>\n
\u827e\u4f26\u65b9\u5dee @10s<\/td>\n \u2264 5\u00d710\u207b\u00b9\u00b3<\/td>\n \u2264 3\u00d710\u207b\u00b9\u00b2<\/td>\n \u2264 1\u00d710\u207b\u00b9\u00b2<\/td>\n <\/tr>\n
\u827e\u4f26\u65b9\u5dee @100s<\/td>\n \u2264 5\u00d710\u207b\u00b9\u00b3<\/td>\n \u2264 2\u00d710\u207b\u00b9\u00b2<\/td>\n \u2264 2\u00d710\u207b\u00b9\u00b2<\/td>\n <\/tr>\n
10MHz \u5feb\u901f\u9501\u5b9a<\/td>\n \u2264 5\u00d710\u207b\u00b9\u00b2\uff08\u9009\u914d\uff0c\u9501\u5b9a\u540e3\u5206\u949f\uff09<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <\/div>\n\n \n
\n

\ud83d\udcc8 5MHz \u8f93\u51fa<\/h3>\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n
\u9879\u76ee<\/th>\n \u6307\u6807<\/th>\n <\/tr>\n <\/thead>\n
\u5e45\u5ea6<\/td>\n +7dBm \u00b1 2dB<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @1Hz<\/td>\n \u2264 -90dBc\/Hz<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @10Hz<\/td>\n \u2264 -125dBc\/Hz<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @100Hz<\/td>\n \u2264 -140dBc\/Hz<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @1kHz<\/td>\n \u2264 -150dBc\/Hz<\/td>\n <\/tr>\n
\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0 @10kHz<\/td>\n \u2264 -155dBc\/Hz<\/td>\n <\/tr>\n
\u827e\u4f26\u65b9\u5dee @1s<\/td>\n \u2264 2\u00d710\u207b\u00b9\u00b9<\/td>\n <\/tr>\n
\u827e\u4f26\u65b9\u5dee @10s<\/td>\n \u2264 5\u00d710\u207b\u00b9\u00b2<\/td>\n <\/tr>\n
\u827e\u4f26\u65b9\u5dee @100s<\/td>\n \u2264 2\u00d710\u207b\u00b9\u00b2<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <\/div>\n\n \n
\n

\u2699\ufe0f \u901a\u7528\u6307\u6807<\/h3>\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\u9879\u76ee<\/th>\n \u6807\u51c6\u6307\u6807<\/th>\n \u9009\u578bA<\/th>\n \u9009\u578bB<\/th>\n <\/tr>\n <\/thead>\n
\u9891\u7387\u51c6\u786e\u5ea6<\/td>\n \u00b15\u00d710\u207b\u00b9\u00b9<\/td>\n <\/tr>\n
\u6e29\u5ea6\u7a33\u5b9a\u6027<\/td>\n \u2264 5\u00d710\u207b\u00b9\u2070<\/td>\n \u2264 2\u00d710\u207b\u00b9\u2070<\/td>\n \u2264 5\u00d710\u207b\u00b9\u00b9<\/td>\n <\/tr>\n
\u5929\u8001\u5316\u7387\uff08\u5f00\u673a7\u5929\u540e\uff09<\/td>\n 5\u00d710\u207b\u00b9\u00b2<\/td>\n <\/tr>\n
\u94f7\u539f\u5b50\u949f\u7269\u7406\u9501\u5b9a\u65f6\u95f4<\/td>\n \u5c0f\u4e8e5\u5206\u949f\uff08+25\u2103\uff09<\/td>\n <\/tr>\n
\u6742\u6563\uff0810MHz\uff09<\/td>\n \u2264 -75dBc<\/td>\n <\/tr>\n
\u8c10\u6ce2\uff0810MHz\uff09<\/td>\n \u2264 -50dBc<\/td>\n <\/tr>\n
\u6742\u6563\uff085MHz\uff09<\/td>\n \u2264 -75dBc<\/td>\n <\/tr>\n
\u8c10\u6ce2\uff085MHz\uff09<\/td>\n \u2264 -50dBc<\/td>\n <\/tr>\n
\u4f9b\u7535\u7535\u538b<\/td>\n 220V AC<\/td>\n <\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4<\/td>\n -40\u2103~+50\u2103<\/td>\n <\/tr>\n\n <\/tbody>\n <\/table>\n <\/div>\n <\/div>\n <\/div>\n\n \n
\n

\ud83d\udd0c \u8f93\u51fa\u4e0e\u63a5\u53e3<\/h2>\n
\n
\n

\ud83d\udce4 \u8f93\u51fa<\/h3>\n