描述
例如電子管的柵極相對于陰極往往要求加有負(fù)壓,為了在一個直流電源下工作,就在陰極對地串接一個電阻,利用板流形成陰極的對地正電位,而柵極直流接地,這種偏置技術(shù)叫做“自偏”,但是對(交流)信號而言,這同時又是一個負(fù)反饋,為了消除這個影響,就在這個電阻上并聯(lián)一個足夠大的點(diǎn)容,這就叫旁路電容。后來也有的資料把它引申使用于類似情況。
產(chǎn)品承諾:
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢價格,大量現(xiàn)貨。
主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌:ABB???,AB??,GE,FOXBORO,本特利,英維思,伍德沃德,西屋,瑞恩,施耐德,西門子,摩托羅拉,安川。力士樂。ACSO,橫河等進(jìn)口品牌。 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家
1746-IB16 ALLEN BRADLEY SERIES C 1746IB16
SIEMENS 545700 LANDIS & GYR 545-700 PRE APOGEE 545 700
Simplex Fire Alarm Model 2120 DIGITAL CONT. BD 562-445
TAYLOR ABB MOD 300 PROC. POWER SUPPLY 6020NZ10700
ABB MOD 300 POWER DIST. PANEL 6152NA10700
Simplex Fire Alarm Model 2120 562-465
A Simplex Fire Alarm 4120 AUX. RELAY ASSY 562-760
NW-BM8-5D0-02 MODICON BUS ASSEMBLY NWBM85D002
Simplex Fire Alarm Model 2120 DIGITAL CONT BD. 562-445H
Simplex Fire Alarm Model 2120 DIGITAL MON. I/O 565-466J
MODICON NW-BP85-002 NWBP85002
Simplex Fire Alarm Model 2120 ET AUDIO RELAY BD 565-450
Simplex Fire Alarm Model 2120 STD RELAY BD. 562-447H
Simplex Fire Alarm Model 4120 MTHBD CLASS B 565-275
Simplex Fire Alarm Model 4120 MTHRDBD ASSY 562-727A
140-XBE-100-00 MODICON BACKPLANE EXPANDER 140XCA71703
140-DDO-353-10 MODICON OUTPUT MODULE 140DDO35310
AS-B827-032 MODICON INPUT MODULE ASB827032
MODICON AS-B864-001 OUTPUT MOD. NEW SURPLUS ASB864001
140-DAO-842-20 MODICON OUTPUT MODULE 140DAO84220
SIEMENS/LANDIS & GYR – 544-120 544120 ANALOG I/O CARD
AS-E785-904 EXEC CARTRIDGE ASSY 785 ASE785904
ABB MOD 300 6230BP10710D ANALOG BLOCK NEW FACT. SEALED
PC-A984-130 MODICON CPU MODULE PCA984130
SIEMENS/LANDIS & GYR – 544-449 544449 UC ENCLOSURE
SIEMENS/LANDIS & GYR – 544-550 544550 UC ENCL W/KEYPAD
ASBDEP218 MODICON AS-BDEP-218
UTICOR PMD 475 PROGRAMMABLE MESSAGE DISPLAY NEW SURPLUS
AS-J812-000 MODICON INTERFACE MODULE ASJ812000
AS-B885-002 MODICON COMMUNICATION MODULE ASB885002
140-CRA-931-00 MODICON TSX 140CRA93100
MODICON TSX QUANTUM 140 CPU 113 02 140CPU11302
Simplex Fire Alarm Model 4120 MOTHERBOARD 562-727
SIEMENS/LANDIS & GYR – 540-163 540163 TERM BOX CNTRL
SIEMENS/LANDIS & GYR – 540-380 540380 AUTOZERO MODULE
SIEMENS/LANDIS & GYR – 538-965 538965 TRUNK ISOLATER
SSC81U SIEMENS VALVE ACUATOR NEW IN SEALED BOX
AS-S911-801 MODICON HOT STANDBY PROCESSOR ASS911801
565-07 Simplex Fire Alarm 4120 8 LED/8 SW ASSY 565073
265-1002 POWERS 2651002
SETRA C264 STATIC PRESSURE SENSOR-RANGE +/- 0.5 IN. WC
AAA HONEYWELL XL500 XF521A Analog Input Module
MODICON AS-BDAP-210 ASBDAP210 AEG-8 POINT OUTPUT
1746-IA16 Allen Bradley Series C 1746IA16
MODICON AS-J878-000 MODEM MODULE ASJ878000
140-CRA-211-10 MODICON TSX INPUT MODULE 140CRA21110
AS-BDEP-220 MODICON INPUT MODULE ASBDEP220
AS-B872-011 MODICON OUTPUT MODULE ASB872011
1746-IV16 ALLEN BRADLEY SER. C INPUT MODULE 1746IV16
AS-HDTA-202 RACK 2SLOT COMPACT 984 ASHDTA202
X1582AH HONEYWELL XL500 WALL MOUNT TERMINAL
XF-527 HONEYWELL XL500 ANALOG MODULE XF527
XH-561 HONEYWELL XL500 & EXT. WIRING BASE XH561
140-DDO-843-00 MODICON TSX QUANTUM 140DDO84300
536-765 SIEMENS/LANDIS & GYR 536765 V4 O.S. 12.5
545-715 SIEMENS/LANDIS & GYR 545715 O.S. 1.51
565-226 Simplex Model 4120 MONITOR/SECURIT?Y 565226
SIEMENS/LANDIS & GYR – 545-714 545714
1746-IB16 Allen-Bradley SLC 500 Input Module 1746-IB16
410-4/S90B MODICON SERVO CONTROLLER NOB 410-4/S90B
Cl114/220v MODICON CYBERLINE 1000 NEW 1100942
AS-BDAP-216N MODICON OUTPUT MODULE ASBDAP216N
TAYLOR ABB MOD 300 SC D/F MOD 6205BZ10000
AS-B825-016 MODICON INPUT MODULE ASB825016
MOD 300 OAC5 OUTPUT MODULES BOX OF 50 6001BA14511A
TAYLOR MOD 300 OAC5A5 OUTPUT MODULES 6001BA14522A
TAYLOR MOD 300 IAC5 INPUT MODULES (50) 6000BB14511A
MODICON 140CFE03200 NEW SURPLUS 140-CFE-032-00
MODICON AS-B872-200 REM ASB872200 ANALOG OUTPUT MODULE
1746-OA16 ALLEN BRADLEY OUTPUT MODULE 1746OA16
TAYLOR ABB MOD 300 I/O XFER 6015BZ10000
TAYLOR ABB MOD 300 CPU 6004BZ10300
PC-O984-385 MODICON CPU UPGRADED CPU TO PC-E984-385
AS-B827-032 MODICON INPUT MODULE ASB827032
AS-MEEP-000 MODICON MEMORY MODULE ASMEEP000
545-442 SIEMENS/LANDIS & GYR 545442
140-CRP-932-00 MODICON INPUT MODULE 140CRP93200
140-CRA-932-00 MODICON INTERFACE MODULE 140CRA93200
TAYLOR ABB MOD 300 BACKUP MEM MOD 6014BZ10000
TAYLOR ABB MOD 300 MEM EXP MOD 6014BZ10000
SIEMENS/LANDIS & GYR – 533-685 533685
TAYLOR ABB MOD 300 CONTROLLER BOARD 6051NA10424
PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅
15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家