{"id":6705,"date":"2024-01-17T14:51:18","date_gmt":"2024-01-17T06:51:18","guid":{"rendered":"http:\/\/www.comtest.cn\/?post_type=product&#038;p=6705"},"modified":"2024-01-17T14:52:05","modified_gmt":"2024-01-17T06:52:05","slug":"uln-2550","status":"publish","type":"product","link":"http:\/\/www.comtest.com.cn\/?product=uln-2550","title":{"rendered":"ULN-2550 GPSDO\u6a21\u5757"},"content":{"rendered":"<p><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/12\/Jackson_Labs_LOGO_300.jpg\"><img decoding=\"async\" class=\"size-full wp-image-6537 alignleft\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/12\/Jackson_Labs_LOGO_300.jpg\" alt=\"\" width=\"300\" height=\"83\" srcset=\"http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2023\/12\/Jackson_Labs_LOGO_300.jpg 300w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2023\/12\/Jackson_Labs_LOGO_300-64x18.jpg 64w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>ULN-2550\u65f6\u95f4\u3001\u9891\u7387\u548c\u5b9a\u4f4d\u53c2\u8003\u662f\u4e00\u79cd\u975e\u5e38\u5c0f\u7684GPSDO\uff0c\u9488\u5bf9\u9700\u8981100MHz\u300125MHz\u300110MHz\u548c\/\u621650MHz\u6e90\u7684\u4e0a\u53d8\u9891\u5e94\u7528\u8fdb\u884c\u4e86\u4f18\u5316\u300210MHz\u548c100MHz\u8f93\u51fa\u59cb\u7ec8\u53ef\u7528\uff0c\u800c25MHz\u8f93\u51fa\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u9009\u9879\u66f4\u6539\u4e3a50MHz\u8f93\u51fa\u3002ULN-2550\u5177\u6709\u4ee5\u4e0b\u4e3b\u8981\u529f\u80fd\uff1a\u4e00\u4e2a\u9ad8\u7b49\u7ea7SC\u5207\u5272\u53cc\u5c42\u6676\u4f53\u632f\u8361\u5668\uff0c\u56db\u4e2a25\/50MHz LVDS\u8f93\u51fa\uff0c\u4e00\u4e2a100MHz CMOS\u8f93\u51fa\uff0c\u4ee5\u53ca\u4e00\u4e2a10MHz CMOS\u8f93\u51fa\u3001\u4e00\u4e2a1PPS LVDS\u8f93\u51fa\u548c\u4e00\u4e2a\u5177\u6709-160dBm\u8ddf\u8e2a\u80fd\u529b\u7684\u9ad8\u6027\u80fd50\u901a\u9053GPS\u63a5\u6536\u673a\u3002\u9664\u4e86GPS\u5929\u7ebf\u8fde\u63a5\u5916\uff0cULN-2550\u5728\u4e00\u4e2a\u8fde\u63a5\u5668\u4e0a\u63d0\u4f9b\u6240\u6709IO\u548c\u7535\u6e90\u8f93\u5165\uff0c\u8be5\u8fde\u63a5\u5668\u53ef\u4ee5\u5177\u6709\u677f\u5bf9\u677f\u63a5\u53e3\u6216\u7535\u7f06\u7ebf\u675f\uff0c\u4f7f\u7cfb\u7edf\u96c6\u6210\u76f4\u622a\u4e86\u5f53\uff0c\u5e76\u517c\u5bb9\u4e25\u683c\u7684\u519b\u4e8b\u8981\u6c42\u3002<\/p>\n<p>\u6240\u6709\u8f93\u51fa\u90fd\u901a\u8fc7GPS\u7cfb\u7edf\u4e0eUTC\u540c\u6b65\u9891\u7387\u548c\u76f8\u4f4d\uff0c\u4ece\u800c\u63d0\u4f9b\u6bd4\u94ef\u949f\u66f4\u597d\u7684\u957f\u671f\u6027\u80fd\u3002\u901a\u8fc7\u5728\u4e00\u4e2a\u7d27\u51d1\u7684\u677f\u4e2d\u63d0\u4f9b25\/50MHz\u4ee5\u53ca100MHz\u548c10MHz\u53c2\u8003\uff0c\u8be5\u5355\u5143\u975e\u5e38\u9002\u5408\u96f7\u8fbe\u548c\u536b\u661f\u901a\u4fe1\u8bbe\u5907\u4e2d\u4f7f\u7528\u7684\u8d85\u4f4e\u76f8\u4f4d\u566a\u58f0\u4e0a\u53d8\u9891\u7cfb\u7edf\u3002<\/p>\n<p>ULN-2550\u53ef\u6839\u636e\u7a33\u5b9a\u6027\/\u6210\u672c\u8981\u6c42\u8ba2\u8d2d\u4ee5\u4e0b\u9009\u9879\uff1a<\/p>\n<ul>\n<li>\u5355OCXO\u9009\u9879\uff0c\u5b9e\u73b0\u975e\u5e38\u6709\u6548\u7684\u6027\u4ef7\u6bd4\u3002<\/li>\n<li>\u53ccOCXO\uff0c\u6807\u51c6\u5de5\u4f5c\u6e29\u5ea6\uff08-25\u00b0C\u81f3+75\u00b0C\uff09\uff0c\u5177\u6709\u66f4\u9ad8\u7684\u7a33\u5b9a\u6027\u548c\u66f4\u597d\u7684\u4fdd\u6301\u6027\u80fd\u3002<\/li>\n<li>\u53ccOCXO\uff0c\u6269\u5c55\u5de5\u4f5c\u6e29\u5ea6\uff08-40\u00b0C\u81f3+85\u00b0C\uff09\uff0c\u5b9e\u73b0\u9ad8\u7a33\u5b9a\u6027\u548c\u6781\u4f73\u4fdd\u6301\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h1>\u7279\u70b9<\/h1>\n<ul>\n<li>10MHz\u300125MHz\/50MHz\u548c100MHz\u8f93\u51fa\uff0c\u5e264\u4e2aLVDS<\/li>\n<li>\u5c0f\u4e8e5E-11\u7684\u5178\u578bAllan\u504f\u5dee\uff0c\u5e26GPS\u9501\u5b9a\uff0c\u6d4b\u91cf\u95f4\u9694\u4e3a1s\u81f31000s<\/li>\n<li>\u6807\u51c6\u76f8\u4f4d\u566a\u58f0\u5728&gt;10Hz\u504f\u79fb\u65f6\u5c0f\u4e8e125dBc<\/li>\n<li>DOCXO\u572825\u00b0C\u65f6\u529f\u8017\u5c0f\u4e8e4W<\/li>\n<li>\u9ad8\u7aefWAAS\/EGNOS\/MSAS GPS\u63a5\u6536\u5668\u572832\u4f4d\u5904\u7406\u5668\u7684\u63a7\u5236\u4e0b\u9a71\u52a8\u8d85\u7a33\u5b9a\u7684OCXO\u9891\u7387\u53c2\u8003<\/li>\n<li>\u5177\u6709\u8001\u5316\u548c\u6e29\u5ea6\u8865\u507f\u7684\u4fdd\u6301\u6a21\u5f0f<\/li>\n<li>\u62a5\u8b66\u8f93\u51fa<\/li>\n<li>\u8be5\u88c5\u7f6e\u53ef\u901a\u8fc7RS-232\u63a7\u5236\u4f7f\u7528\u6807\u51c6SCPI\u547d\u4ee4\u8fdb\u884c\u63a7\u5236\u3002\u8bbe\u7f6e\u81ea\u52a8\u5b58\u50a8\u5728\u975e\u6613\u5931\u6027\u5b58\u50a8\u5668\u4e2d<\/li>\n<li>\u6b63\u5f26\u6ce2\u3001CMOS\u548cLVDS\u8f93\u51fa<\/li>\n<li>GPSOn Windows\u7ed8\u56fe\u548cSNTP\u670d\u52a1\u5668\u8f6f\u4ef6\u517c\u5bb9<\/li>\n<\/ul>\n<h1>\u6280\u672f\u53c2\u6570<\/h1>\n<table width=\"586\">\n<tbody>\n<tr>\n<td width=\"217\">Module Specification:<\/td>\n<td colspan=\"5\" width=\"369\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">1 PPS Accuracy<\/td>\n<td colspan=\"5\" width=\"369\">\u00b130ns to UTC RMS (1-Sigma) GPS Locked<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Frequency Accuracy<\/td>\n<td colspan=\"5\" width=\"369\">Better than \u00b13E-010 after 1 hours operation with GPS locked<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Holdover Stability<\/td>\n<td colspan=\"5\" width=\"369\">&lt;\u00b17us over 24 Hour Period @+25\u00b0C (No Motion, after 5 days with GPS)<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">ADEV<\/td>\n<td colspan=\"5\" width=\"369\">1s to 1000s: &lt;5 E-11 with GPS lock typical<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">1 PPS Outputs (OCXO Flywheel Generated)<\/td>\n<td colspan=\"5\" width=\"369\">Two outputs: 5V CMOS and LVDS<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">10\/25\/100MHz Outputs (6x total, 4x @25\/50MHz, 10MHz, 100MHz)<\/td>\n<td colspan=\"5\" width=\"369\">4x LVDS 25\/50MHz, 1x CMOS 100MHz, 1x CMOS 10MHz<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">RS-232 Control (TTL Level, RS-232 levels optional)<\/td>\n<td colspan=\"5\" width=\"369\">TTL Level, Full control via SCPI-99 Control Commands, NMEA-0183<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">GPS Frequency<\/td>\n<td colspan=\"5\" width=\"369\">L1, C\/A 1574MHz<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">GPS Antenna<\/td>\n<td colspan=\"5\" width=\"369\">Passive or Active, 5V<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">GPS Receiver<\/td>\n<td colspan=\"5\" width=\"369\">50 Channels, Mobile, GPS, WAAS, EGNOS, MSAS supported, Galileo ready<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Sensitivity<\/td>\n<td colspan=\"5\" width=\"369\">Acquisition -144 dBm, Tracking -160 dBm<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">GPS TTFF<\/td>\n<td colspan=\"5\" width=\"369\">Cold Start &#8211; &lt;45 sec, Warm Start &#8211; 1 sec, Hot Start &#8211; 1 sec<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">TTL Alarm Output<\/td>\n<td colspan=\"5\" width=\"369\">GPS Unlock and Hardware Failure indicator<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Warm Up Time \/ Stabilization Time<\/td>\n<td colspan=\"5\" width=\"369\">&lt;10 min at +25\u00b0C to 1E-09 Accuracy Typ.<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Supply Voltage (Vdd)<\/td>\n<td colspan=\"5\" width=\"369\">11.0V to 16.0V DC Nominal<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Power Consumption<\/td>\n<td colspan=\"5\" width=\"369\">&lt; 4W at +25\u00b0C with DOCXO<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Operating Temperature<\/td>\n<td colspan=\"5\" width=\"369\">Extended temp range: -25C to +75C<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Environmental Conformance<\/td>\n<td colspan=\"5\" width=\"369\">MIL-STD-202, Method 204, Condition I-A<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Storage Temperature<\/td>\n<td colspan=\"5\" width=\"369\">-45\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Oscillator Specification:<\/td>\n<td colspan=\"5\" width=\"369\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Frequency Output<\/td>\n<td colspan=\"5\" width=\"369\">10MHz, 25\/50MHz, and 100MHz outputs<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">10\/100MHz Retrace without GPS<\/td>\n<td colspan=\"5\" width=\"369\">\u00b12E-08 After 1 Hour<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Frequency Stability<\/td>\n<td colspan=\"5\" width=\"369\">\u00b12.5E-010 over temperature, low-g option: \u00b13E-010 per g per axis<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Output Amplitude<\/td>\n<td colspan=\"5\" width=\"369\">100MHz: CMOS 3.3V, 10MHz: CMOS 5V, 25\/50MHz: LVDS<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Warm Up Time<\/td>\n<td colspan=\"5\" width=\"369\">&lt; 12 min<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"7\" width=\"217\">Phase Noise<\/td>\n<td rowspan=\"7\" width=\"38\">&nbsp;<\/td>\n<td width=\"76\">&nbsp;<\/td>\n<td width=\"104\">25MHz Out<\/td>\n<td width=\"104\">10MHz Out<\/td>\n<td rowspan=\"7\" width=\"47\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td width=\"76\">1Hz<\/td>\n<td width=\"104\">-88dBc\/Hz<\/td>\n<td width=\"104\">-100dBc\/Hz<\/td>\n<\/tr>\n<tr>\n<td width=\"76\">10Hz<\/td>\n<td width=\"104\">-109dBc\/Hz<\/td>\n<td width=\"104\">-125dBc\/Hz<\/td>\n<\/tr>\n<tr>\n<td width=\"76\">100Hz<\/td>\n<td width=\"104\">-125dBc\/Hz<\/td>\n<td width=\"104\">-142dBc\/Hz<\/td>\n<\/tr>\n<tr>\n<td width=\"76\">1kHz<\/td>\n<td width=\"104\">-145dBc\/Hz<\/td>\n<td width=\"104\">-152dBc\/Hz<\/td>\n<\/tr>\n<tr>\n<td width=\"76\">10kHz<\/td>\n<td width=\"104\">-155dBc\/Hz<\/td>\n<td width=\"104\">-155dBc\/Hz<\/td>\n<\/tr>\n<tr>\n<td width=\"76\">100Khz<\/td>\n<td width=\"104\">-160dBz\/Hz<\/td>\n<td width=\"104\">-155dBc\/Hz<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Designed Lifetime<\/td>\n<td colspan=\"5\" width=\"369\">&gt;10 years<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ULN-2550\u65f6\u95f4\u3001\u9891\u7387\u548c\u5b9a\u4f4d\u53c2\u8003\u662f\u4e00\u79cd\u975e\u5e38\u5c0f\u7684GPSDO\uff0c\u9488\u5bf9\u9700\u8981100MHz\u300125MHz\u300110MHz\u548c\/\u621650MHz\u6e90\u7684\u4e0a\u53d8\u9891\u5e94\u7528\u8fdb\u884c\u4e86\u4f18\u5316\u300210MHz\u548c100MHz\u8f93\u51fa\u59cb\u7ec8\u53ef\u7528\uff0c\u800c25MHz\u8f93\u51fa\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u9009\u9879\u66f4\u6539\u4e3a50MHz\u8f93\u51fa\u3002<\/p>\n","protected":false},"featured_media":6706,"template":"","meta":[],"product_brand":[],"product_cat":[129,35,46,40],"product_tag":[466],"class_list":{"0":"post-6705","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-viavi","7":"product_cat-industry","8":"product_cat-industrycard","9":"product_cat-pruclock","10":"product_tag-gpsdo","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"yoast_head":"<!-- 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