BK8625邏輯棒
一般規格：(BK8625 脈波輸出邏輯筆)
外部同（tóng）步輸入信號阻抗(EXT SYNC) ...........1MΩ
輸出脈波頻率(Pulse) .......................................0.5 / 400Hz
脈波寬度...........................................................10μS
脈波輸出(輸入)電流(Pulse) ............................100mA sink / source
方波輸出(輸（shū）入)電流(SQ)................................5mA sink/source
輸（shū）入電源電壓（yā）範圍（wéi）(Vcc) .................................5 – 15V DC
電源保護...........................................................20V DC (30 秒內)
外部同步輸入保護(EXT SYNC)....................120V DC (30 秒內)
測試端子保護...................................................35V DC (30 秒內)
電器規格：(23±5°C，75%大相對濕度)
機種BK8610 、BK8610B 及BK8625
大輸入頻（pín）率....................................................................... 20MHz 50MHz
輸入阻抗............................................................................... 1MΩ 120KΩ
操（cāo）作電壓............................................................................... 小4V DC，大（dà）18V DC
TTL: 邏輯“1” (Hi LED) ................................................ ＞2.3±0.2V DC ＞3.0±0.25V
邏輯“0” (Lo LED)................................................ ＜0.8±0.2V DC ＜0.75±0.25V
CMOS: 邏輯“1” (Hi LED) ................................................ ＞70% Vcc±10% ＞60% Vcc±5%
邏輯“0” (Lo LED)................................................ ＜30% Vcc±10% ＜15% Vcc±5%
小可檢測脈（mài）波.................................................................. 30 Nanoseconds 10 Nanoseconds
大訊號輸入保護.............................................................. ±220V AC/DC ±70V AC/DC
(15 秒（miǎo）內) (15 秒內)
電源保護............................................................................... ±20V DC ±20V DC
脈波指示（shì）閃爍時間.............................................................. 500ms
