----- (mysql): SET CHARACTER SET utf8 ----- ----- (mysql): SELECT * FROM sb_products WHERE id=269386 ----- ----- (mysql): SELECT t1.val, t2.name, t2.id FROM sb_rules t1, sb_parameters t2 WHERE t1.kid=t2.id AND t1.pid=269386 ----- ----- (mysql): SELECT * FROM sb_cateparagroup WHERE cateid=1206 ----- ----- (mysql): SELECT * FROM sb_categorys WHERE id=1206 ----- ----- (mysql): SELECT t1 . * , t2.pid, t2.cateid, t2.seque FROM sb_parameters t1 LEFT JOIN ( SELECT * FROM sb_category_seque WHERE cateid =1206 ) AS t2 ON t2.pid = t1.id WHERE t1.id IN ( 295, 2, 11305, 10966, 11309, 969, 769 ) ORDER BY t2.seque DESC ----- ----- (mysql): SELECT t1 . * , t2.pid, t2.cateid, t2.seque FROM sb_parameters t1 LEFT JOIN ( SELECT * FROM sb_category_seque WHERE cateid =1206 ) AS t2 ON t2.pid = t1.id WHERE t1.id IN ( 11311, 296, 11313, 11315, 11316, 11318, 11319, 11321, 11326, 11330 ) ORDER BY t2.seque DESC ----- ----- (mysql): SELECT t1 . * , t2.pid, t2.cateid, t2.seque FROM sb_parameters t1 LEFT JOIN ( SELECT * FROM sb_category_seque WHERE cateid =1206 ) AS t2 ON t2.pid = t1.id WHERE t1.id IN ( 1890, 1156, 9789, 32, 981, 192, 9788 ) ORDER BY t2.seque DESC ----- ----- (mysql): SELECT catename FROM sb_places WHERE id=3 LIMIT 1 ----- ----- (mysql): SELECT cname FROM sb_categorys WHERE id=1206 LIMIT 1 ----- ----- (mysql): SELECT * FROM sb_brands WHERE id=4050 ----- ----- (mysql): SELECT * FROM sb_categorys WHERE id=1206 ----- ----- (mysql): SELECT * FROM sb_categorys WHERE id=1016 ----- ----- (mysql): SELECT * FROM sb_categorys WHERE id=953 ----- ----- (mysql): SELECT * FROM sb_categorys WHERE id=1206 ORDER BY sequence DESC ----- ----- (mysql): SELECT * FROM sb_categorys WHERE id=1016 ORDER BY sequence DESC ----- ----- (mysql): SELECT * FROM sb_categorys WHERE id=953 ORDER BY sequence DESC ----- ----- (mysql): SELECT * FROM sb_products WHERE class_id = 1206 and id not in (269386) and status = 1 order by pxid desc, id desc limit 5 ----- ----- (mysql): SELECT * FROM sb_customers ORDER BY id DESC LIMIT 5 ----- ----- (mysql): SELECT t1.*, t2.content as template FROM sb_adv t1 , sb_adt t2 WHERE t1.starttime <= now() AND t1.endtime >= now() AND t1.status=1 AND t2.status=1 AND t1.aid=t2.id AND t2.lang='cn' AND t2.tagname='product1' AND t1.pid=269386 AND t1.tid=1 ----- ----- (mysql): SELECT t1.*, t2.content as template FROM sb_adv t1 , sb_adt t2 WHERE t1.starttime <= now() AND t1.endtime >= now() AND t1.status=1 AND t2.status=1 AND t1.aid=t2.id AND t2.lang='cn' AND t2.tagname='product2' AND t1.pid=269386 AND t1.tid=1 ----- ----- (mysql): SELECT t1.*, t2.content as template FROM sb_adv t1 , sb_adt t2 WHERE t1.starttime <= now() AND t1.endtime >= now() AND t1.status=1 AND t2.status=1 AND t1.aid=t2.id AND t2.lang='cn' AND t2.tagname='product3' AND t1.pid=269386 AND t1.tid=1 ----- ----- (mysql): SELECT t1.*, t2.content as template FROM sb_adv t1 , sb_adt t2 WHERE t1.starttime <= now() AND t1.endtime >= now() AND t1.status=1 AND t2.status=1 AND t1.aid=t2.id AND t2.lang='cn' AND t2.tagname='product4' AND t1.pid=269386 AND t1.tid=1 ----- ----- (mysql): SELECT * FROM sb_productuser WHERE pid = '269386' AND utype = '1' AND status = 1 ORDER BY price DESC, id DESC LIMIT 5 ----- ----- (mysql): SELECT * FROM sb_productuser WHERE pid = '269386' AND utype = '1' AND status = 1 ORDER BY price DESC, id DESC LIMIT 5 ----- ----- (mysql): update sb_products set hits = hits+1 where id=269386 ----- ----- (mysql): SELECT * FROM sb_comments WHERE category = 'products' and source = 269386 and status = 1 order by createtime desc ----- ----- (mysql): SELECT count(*) as num FROM sb_comments where category = 'products' and source = 269386 and status = 1 ----- ----- (mysql): SELECT point, count( id ) AS num FROM sb_comments WHERE ctype = '1' AND category = 'product' AND source = '269386' GROUP BY point ----- ----- (mysql): SELECT search_value FROM sb_search_keys ORDER BY (customer+admin) DESC, last_search DESC LIMIT 0, 4 ----- 1146: Table '51select.sb_search_keys' doesn't exist 普源 频谱分析仪 DSA1000A 系列-益择网-专业的仪器网上选购商城

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最新产品 > 电子检测仪器 > 通用电子测量仪器 > 频谱分析仪>普源 频谱分析仪 DSA1000A 系列

更新时间:2025-06-15 03:25:49 点击:499次

产品型号 DSA1000A 系列
参考报价 返回顶部 面议
基本规格
产品类型 返回顶部 频谱分析仪
品牌 返回顶部 北京普源
产地 返回顶部 中国大陆
返回顶部 我来纠错(有奖)
技术参数
频率范围 返回顶部 9 kHz至3 GHz
显示方式 返回顶部 8.5英寸宽屏显示
相位噪声 返回顶部 典型值-88 dBc/Hz(偏移10kHz)
仪器重量 返回顶部 6.2 kg(不带电池)
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仪器简介:

DSA1000A系列为体积小,重量轻且性能优异的便携式频谱分析仪,其出色的性能,可满足绝大部分射频相关应用的需求。全数字中频的实现保证了其卓越的性能和稳定的表现。独创宽屏的应用,独具匠心的参数图标设计,以及多处人性化设计让频谱测量变得从未有过的轻松快捷。

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技术创新 采用全数字中频技术 频率范围9 kHz至3 GHz 显示平均噪声电平(DANL) -148 dBm 相位噪声典型值-88 dBc/Hz(偏移10kHz) 全幅度精度<1.0 dB 最小分辨率带宽(RBW)10 Hz 标配前置放大器 3 GHz跟踪源(适用于DSA1030A-TG) 内置锂电池,持续工作时间3小时(可选) 具有丰富的测量功能和多种自动设置功能 (标配) 8.5英寸宽屏显示,界面简洁富有亲和力,操作人性化设计 丰富的接口:LANUSB HostUSB DeviceVGAGPIB(可选),设计紧凑,重量仅为6.2 kg(不带电池)
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