描述
經(jīng)驗告訴我們,示波器的帶寬至少應(yīng)比被測系統(tǒng)最快的數(shù)字時鐘速率高5倍。如果我們選擇的示波器滿足這一標準,那么該示波器就能以最小的信號衰減捕捉到被測信號的5次諧波。信號的5次諧波在確定數(shù)字信號的整體形狀方面非常重要。但如果需要對高速邊沿進行精確測量,那么這個簡單的公式并未考慮到快速上升和下降沿中包含的實際高頻成分。
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主營:世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
Mitsubishi Inverter FR-A024-0.75K-U?L Freqrol#24844
Numatics Valve Regulator VS22-04,C22D-04,F22B#16930
Mitsubishi Inverter FR-A024-0.75K-U?L Freqrol#24846
Niigata Operator Interface Controller#6720
NEW Applied Heater Band A-40B201-2X,500 Watt#22411
Kristel Corp Monitor C72286,#16989
Dongan General Purpose Transformer 35-1025#10059
PT Hose Clamp 20B,2″#22445
Horner Field Control Interbus HE670IBU100 N#17000
Siemens C98040-A1177-P1?-01-85 PC Board#6722
Warner Electric Clutch Coil 60 CY#22893
Movomatic MC PC3126a,MOV4708a Power Supply#7029
Gould Shawmut A4J35 Fuse 35 Amp#26790
Siemens Output Module 6ES5-451-8MR12#17031
Condor DC Power Supply HC15-3-A#22926
Siemens Digital Input Module 6ES5-431-8MA11#17032
SCI Circuit Board 080-2403 180-2403 Rev H/F#25080
Horner Field Control Interbus HE670IBU100 E#17001
Hevi-Duty General Transformer T100,KVA.100#22963
Fanuc Input Module IC670MDL640D#11304
SCI Circuit Board 080-2403 180-2403 Rev J/G#25081
Fanuc Output Module IC670MDL640H#11305
NEW Efector Pressure Switch PB4214#23095
Shibaura H0811932 Operator Interface#6725
ABB Welding Isolation Contactor EHW 250C 2P-*L#7053
Boy CPU Control Board 9626352#17091
Movomatic MC PC3181b,Relay Unit Meseltron#7032
SCI Circuit Board 080-2414 180-2414 Rev G/BD#25082
Fanuc Output Module IC670MDL730B#11307
EEI Circuit Board 503390 Temp Control Station#5856
NEW Namco Controls Proximity Switch EE510-04000#23164
SCI Circuit Board 080-2415-1 180-2415 Rev J/J#25083
Movomatic PC 3151b Auto Zero Analog Memory#7033
IFM Efector Proximity Sensor ITB31 5 BPKG IT5034#23167
Westronic Data Acquisition System Series 3200#17066
SCI Circuit Board 080-2434 180-2434 Rev HB/D#25085
Shibaura H0811892 Operator Interface Injectrol#6726
New Allen Bradley 1756M2 Memory Module Sealed#18170
Cutler Hammer Starter 9576ED46-1,10 Amp#27829
Keba Robot PC Board#18273
Allen Bradley 2706-B21J31 Dataliner Interface#7730
Cutler Hammer Starter 9575ED13-1,10 Amp#27832
SCI Circuit Board 080-2435 180-2435 Rev E/E B#25086
Sharp Power Supply Module JW-21CU#23260
Cutler Hammer Starter 9575ED11-1,10 Amp#27833
SCI Circuit Board 080-2439 180-2439 Rev B/A#25087
Toshiba H0936891 PC Driver Board#6727
Cutler Hammer Starter 9575ED10-1,10 Amp#27834
New Allen Bradley 1756M3 Memory Module Sealed#18171
Allen Bradley Add-On Contact Block,195-FA04,#11887
Indramat CLM01.3-X-E-2-0 Servo Controller#7420
NEW in BOX DME Connector Kit MTC12G,926676-4#23325
Cutler Hammer Starter 9575ED14-1,10 Amp#27835
Reliance IRCE Card 0-51839-4#22329
SCI Circuit Board 080-2440 180-2440 Rev H/D B#25088
Mitsubishi Inverter FR-K-H3700-U#7760
Toshiba H0936901 PC Board#6729