机种 | 610 及610B | 610B | 625 |
输入信号 | 发光二极管(LED) | 蜂鸣器 | 发光二极管 |
1 | 0 | 脉波(Pulse) | 1 | 0 |
逻辑 “1” | ● | ○ | ○ | 高音量 | ● | ○ |
邏辑 “0” | ○ | ● | ○ | 低音量 | ○ | ● |
不明准位或开路 | ○ | ○ | ○ | | ○ | ○ |
方波＜200KHz | ● | ● | ＊ | 1. 高低音量交替及断续音
2. 混合音及断续音 | ● | ● |
方波＞200KHz | ◎ | ◎ | ＊ | | ● | ● |
窄脉波 1 | ○ | ● | ＊ | 断续低音 | ● | ● |
窄脉波 0 | ● | ○ | ＊ | 断续高音 | ● | ● |
● LED 亮○ LED 不亮◎ LED 亮或不亮 |
＊ LED 闪烁，亮度比例于信号之周期比 |
一般规格：(625 脉波输出逻辑棒)
外部同步输入信号阻抗(EXT SYNC) .......................1MΩ
输出脉波频率(Pulse) ..................................0.5 / 400Hz
脉波宽度..............................................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%最大相对湿度)
机种 610及610B/625
最大输入频率..........................................50MHz
输入阻抗..............................................120KΩ
操作电压..............................................最大18V DC
TTL: 逻辑“1” (Hi LED) ..............................＞3.0±0.25V
逻辑“0” (Lo LED)....................................＜0.75±0.25V
CMOS: 逻辑“1” (Hi LED) .............................＞60% Vcc±5%
逻辑“0” (Lo LED)....................................＜15% Vcc±5%
最小可检测脉波........................................10 Nanoseconds
最大讯号输入保护......................................±70V AC/DC (15秒内)
电源保护..............................................±20V DC
脉波指示闪烁时间......................................500ms