描述
去耦電容在集成電路電源和地之間的有兩個(gè)作用:一方面是本集成電路的蓄能電容,另一方面旁路掉該器件的高頻噪聲。數(shù)字電路中典型的去耦電容值是0.1μF。這個(gè)電容的分布電感的典型值是5μH。0.1μF的去耦電容有5μH的分布電感,它的并行共振頻率大約在7MHz左右,也就是說(shuō),對(duì)于10MHz以下的噪聲有較好的去耦效果,對(duì)40MHz以上的噪聲幾乎不起作用。1μF、10μF的電容,并行共振頻率在20MHz以上,去除高頻噪聲的效果要好一些。每10片左右集成電路要加一片充放電電容,或1個(gè)蓄能電容,可選10μF左右。最好不用電解電容,電解電容是兩層薄膜卷起來(lái)的,這種卷起來(lái)的結(jié)構(gòu)在高頻時(shí)表現(xiàn)為電感。要使用鉭電容或聚碳酸酯電容。去耦電容的選用并不嚴(yán)格,可按C=1/F,即10MHz取0.1μF,100MHz取0.01μF。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)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(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門(mén)子系列產(chǎn)品)》
⑥銷(xiāo)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(chǎng)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(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)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(cuò)控制器。
⑨Siemens(西門(mén)子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
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◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
AMAT FLANGE,THROTTLE VALVE 200MM SACVD PROD 0021-02818
TEL 46HEATER,80A,.38103244491 DS3810-325138-1?2
SIEMENS ELMO-G GAS RING VACUUM PUMP/COMP 2BH1500 1AK12
DNS PCB,INDEXER 80B 2-VC-34410
ETA ALTRAC POWER SUPPLY,600W 48V/13.5A FHG48SX-U
SUNX LASER LINE SENSOR CONTROLLER,LD-C60
SANTA CLARA 2700 RECIRC UNIT CONTROL 464-127-4A R03015
DNS BOX,MAIN UNIT I/O DISTRIBUTI 2-VC-40010
AMAT SETTING TOOL EVR EXTRACTION 0270-04365
THK LM GUIDE ACTUATOR KR TYPE 46
AMAT RING,FOCUSING,ALUM,200MM,PRSP 3 0020-31163
SANYO DENKI AC SERVOMOTOR 75W SK2000 P50B04007DCL61
AMAT ASSY,MIRROR HOUSING IEP,300MM DPSII 0010-28956
APPLIED MATERIALS(AMAT)WXZ SHADOW RING P/N 0200-00852
AMAT FILTER,CARBON,A?3×00,4 PER SYSTEM 2700-0017-000
VARIAN PCB,ASSY PC RAID CONTROLLER E20000284
EATON ELECTRODE SUPPRESSION BOARD 1504260
BROOKS HARMONIC HI-T DC SERVO ACTUATOR RH-14B w ENCODER
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NATIONAL ELECTRONICS MAGNETRON NL10250-25
AMAT SINGLE RING CERAMIC 200MM NOTCH 0200-03388 REV 2
TEL CONTROLLER,VAC PUMP AC-1 CS011-000003-1
TOSOH KIT,ENDU PRECLE CHAM II BELL JAR SET-805-312KR-Q
LAM KIT,LINERS 2300 KIYO 715-801021-838 715-027638-814
NOAH ASSY,THERMOELECTRIC LOW TEMP 120-03775-001
DNS PLATE,HOT ADHESION(AH)80B ASSY 2-XZ-13045
VARIAN DETECTOR,DECT ASSY BURN THRU E11064190
VARIAN POWER SUPPLY,DC/DC RD34955
TOKYO ELECT PCB,TURBO CONTROL(979&947)9699861
SPACE COAST SERVICE PCB,CPU MEMORY EC5000/EC5400
MKS INSTR VALVE,1″JALAPENO VERTICAL 100012543 W/ALU
ACECO PRE ASSY,PEDESTAL LIFT(0-1)02-0472-01
TOKYO GUIDE,CS-Y-18-0 MARK 7/8 CT1380-100600-1?1
VARIAN HOUSING,FILTER D6IN 00049537-00
MILLIPORE CORP CONTROLLER,PHOTO COOL W2501CC01
DNS TOUCHSREEN NIJERK 11″NIJERK TOUCH IP03.0694
BARNANT PERISTALIC PUMP 14 STAPUR W/CONTR 900-1545
SYSTEMS PSB OS4 60/120 FBGA SDR 12SIT 01079-80028 REV A
EBARA HOLDER,RING(2)E10 C-3812-263-0011
AMAT PCB ASEMBLY LAMP FAILURE,DETECTO?R,RADIA 0100-00235
DNS-POWER SUPPLY(TKD),DC FC3000 5-39-53109
VARIAN ISOLATOR,DECEL ES LENS E17181190
AMAT WELD,MANIFOLD CHAMBER A&B 0226-49373
A.G.ASSOCIATES PCA,3-PHASE ZERO X DETE 7100-3639-02
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ULVAC TECHNOLOGIES EM1919-663-01 GROUND SHIELD
AMAT T.S.V ASSY,I4 0010-C0011
AMAT RING,DEPOSITION,FLANGED,A101 HEATER,0020-611?87
ULTRATECH ASSY,RETICLE FINGER 01-15-02903
VARIAN BELLOWS,BEAMGATE E17094630
DISCO HI-TEC PCB,ANALOG OUTPUT 1024-03-010(-8)REV D
ASTEC POWER SUPPLY,24V,4.8A 73-85-016 95F5820
FUJI ELECTRIC REGENERATIVE BLOWER VFC504A-7W
WILKERSON FILTER,DRYER,RE?GEN,12 ORIFICE,8.0SCFM
APPLIED MATERIALS(AMAT)150MM INNER RING 0200-09315
TEL INSULATOR,HEAT 2 DS1110-217001-1?3
AMAT BOOSTER PS ASSY 0090-a2690
USHIO CONTROLLER,TRANSFER 9708050/U00
EBARA RING,EDGE GEP X-0001-482-4301
AMAT SBBI ASSY SEM-I Beam Blank 0090-A3220
TEL INSULATOR LOWER T32-R6-BL-NC 3D10-202405-13
VARIAN PCB,INTERFACE LOGIC E15001820 0230-00-0166-30
AMAT ASSY,PVD SLIT VALVE DOOR&MOUNT,300MM 0010-13071
AMAT SPEC.,VIRGIN PEEK EDGE GRIP PARTS KAWAS 0190-12634
AMAT LINER,TOP,TICL4 TIN 0040-48030
PCB,TEK 5 NANO 9000 9407-1021 06012-10-035111
APPLIED MATERIALS(AMAT)VME2 CARD CAGE P/N 0190-01623
AMAT HTR JKT FEED THROUGH 3WAY VALVE 1410-00010
AMAT HTR2.5,STR4.8,SPEC,1BP3 1410-00754
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VARIAN BASE,ARC CHAMBER E17201770













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