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一般規(guī)格：(BK8625 脈波輸出邏輯筆)

外部同步輸入信號(hào)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(輸入)電流(SQ)................................5mA sink/source

輸入電源電壓範(fàn)圍(Vcc) .................................5 – 15V DC

電源保護(hù)...........................................................20V DC (30 秒內(nèi))

外部同步輸入保護(hù)(EXT SYNC)....................120V DC (30 秒內(nèi))

測(cè)試端子保護(hù)...................................................35V DC (30 秒內(nèi))

電器規(guī)格：(23±5°C，75%最大相對(duì)濕度)

機(jī)種BK8610 、BK8610B 及BK8625

最大輸入頻率....................................................................... 20MHz 50MHz

輸入阻抗............................................................................... 1MΩ 120KΩ

操作電壓............................................................................... 最小4V DC，最大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%

最小可檢測(cè)脈波.................................................................. 30 Nanoseconds 10 Nanoseconds

最大訊號(hào)輸入保護(hù).............................................................. ±220V AC/DC ±70V AC/DC

(15 秒內(nèi)) (15 秒內(nèi))

電源保護(hù)............................................................................... ±20V DC ±20V DC

脈波指示閃爍時(shí)間.............................................................. 500ms