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產(chǎn)品特性：

■機(jī)種JW.28-BK8610：?輯筆 (20MHz frequency displayable)

■機(jī)種JW.28-BK8610B：?輯筆with beeper tone (20MHz frequency displayable)

■機(jī)種JW.28-BK8625：?輯筆(50MHz frequency displayable) & Logic Pulser

一般規(guī)格 (JW.28-BK8610，JW.28-BK8610B)

操作溫?..............................................0°C to 50°C, 80%相對濕?

儲存溫?..............................................-20°C to 65°C, 75%相對濕?

重?.......................................................610 & 610B 約45 公克

625 約50 公克

尺寸.......................................................21 公分長X1.8 公分寬X1.8 公分高

一般規(guī)格：(JW.28-BK8625 脈波輸出?輯筆)

外部同步輸入信號阻抗(EXT SYNC) ...........1MΩ

輸出脈波頻?(Pulse) .......................................0.5 / 400Hz

脈波寬?...........................................................10μS

脈波輸出(輸入)電?(Pulse) ............................100mA sink / source

方波輸出(輸入)電?(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))

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

電器規(guī)格：(23±5°C，75%zui大相對濕?)

機(jī)種JW.28-BK8610 、JW.28-BK8610B 及JW.28-BK8625

zui大輸入頻?....................................................................... 20MHz 50MHz

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

操作電壓............................................................................... zui小4V DC，zui大18V DC

TTL: ?輯“1" (Hi LED) ................................................ ＞2.3±0.2V DC ＞3.0±0.25V

?輯“0" (Lo LED)................................................ ＜0.8±0.2V DC ＜0.75±0.25V

CMOS: ?輯“1" (Hi LED) ................................................ ＞70% Vcc±10% ＞60% Vcc±5%

?輯“0" (Lo LED)................................................ ＜30% Vcc±10% ＜15% Vcc±5%

zui小可檢測脈波.................................................................. 30 Nanoseconds 10 Nanoseconds

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

(15 秒內(nèi)) (15 秒內(nèi))

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

脈波指示閃爍時間.............................................................. 500ms