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■机种BK8610:邏辑笔(20MHz frequency displayable) ■机种BK8610B:邏辑笔with beeper tone (20MHz frequency displayable) ■机种BK8625:邏辑笔(50MHz frequency displayable) & Logic Pulser 一般规格(BK8610,BK8610B) 操作温4001;..............................................0 °C to 50°C, 80%相对湿4001; 储存温4001;..............................................- 20°C to 65°C, 75%相对湿4001; 重量................................................ .......610 & 610B约45公克 625约50公克 尺寸................................................. ......21公分长X1.8公分宽X1.8公分高 一般规格:(BK8625脉波输出邏辑笔) 外部同步输入信号阻抗(EXT SYNC) ...........1MΩ 输出脉波频率(Pulse) .......................................0.5 / 400Hz 脉波宽4001;.............................................. .............10μS 脉波输出(输入)电流(Pulse) ............................100mA sink / source 方波输出(输入)电流(SQ)................................5mA sink/source 输入电源电压范围(Vcc) .................................5 – 15V DC 电源保护................................................ ...........20V DC (30秒内) 外部同步输入保护(EXT SYNC)....................120V DC (30秒内) 测试端子保护............................................... ....35V DC (30秒内) 电器规格:(23±5°C,75%zui大相对湿4001;) 机种BK8610 、BK8610B及BK8625 zui大输入频率.............................................. ......................... 20MHz 50MHz 输入阻抗................................................ ............................... 1MΩ 120KΩ 操作电压................................................ ...............................zui小4V DC,zui大18V DC TTL:邏辑“1” (Hi LED) ....................................... ......... >2.3±0.2V DC >3.0±0.25V 邏辑“0” (Lo LED)......................................... ....... <0.8±0.2V DC <0.75±0.25V CMOS:邏辑“1” (Hi LED) ....................................... ......... >70% Vcc±10% >60% Vcc±5% 邏辑“0” (Lo LED)......................................... ....... <30% Vcc±10% <15% Vcc±5% zui小可检测脉波............................................. ..................... 30 Nanoseconds 10 Nanoseconds zui大讯号输入保护.............................................. ................ ±220V AC/DC ±70V AC/DC (15秒内) (15秒内) 电源保护................................................ ............................... ±20V DC ±20V DC 脉波指示闪烁时间............................................. ................. 500ms 机种 BK8610及BK8610B BK8610B BK8625 输入信号 发光二极体(LED) 蜂鸣器 发光二极体 1 0 脉波 (Pulse 1 0 邏辑“1” ● ○ ○ 高音量 |